KefinTweaks/homeScreen.js

// Jellyfin Home Screen Script
// Adds custom scrollable sections to the home screen
// Home screen sections are generated from playlists
// All playlists used for the home screen sections must be public
// Requires: cardBuilder.js, localStorageCache.js, utils.js modules to be loaded before this script

(function() {
    'use strict';
    
    // Common logging function
    const LOG = (...args) => console.log('[KefinTweaks HomeScreen]', ...args);
    const WARN = (...args) => console.warn('[KefinTweaks HomeScreen]', ...args);
    const ERR = (...args) => console.error('[KefinTweaks HomeScreen]', ...args);
    
    LOG('Initializing...');
    
    // Add CSS for discovery section loading indicator
    function addDiscoveryLoadingCSS() {
        const styleId = 'discovery-loading-styles';
        
        // Check if style already exists
        if (document.getElementById(styleId)) {
            return;
        }
        
        const style = document.createElement('style');
        style.id = styleId;
        style.textContent = `
            /* Discovery section loading indicator */
            .discovery-loading-indicator {
                flex-direction: column;
                gap: 10px;
                justify-content: center;
                align-items: center;
                padding: 20px;
                border-radius: 8px;
                font-size: 14px;
                color: #666;
                transition: opacity 0.3s ease;
                order: 9999 !important;
                position: relative;
            }
            
            .discovery-loading-indicator.show {
                opacity: 1;
                display: flex;
            }
            
            .discovery-loading-indicator .spinner {
                width: 20px;
                height: 20px;
                border: 2px solid #f3f3f3;
                border-top: 2px solid #3498db;
                border-radius: 50%;
                animation: discovery-spin 1s linear infinite;
            }
            
            @keyframes discovery-spin {
                0% { transform: rotate(0deg); }
                100% { transform: rotate(360deg); }
            }
            
            /* Discovery section smooth reveal animation */
            .discovery-section-reveal {
                opacity: 0;
                transform: translateY(20px);
                transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                            transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            }
            
            /* When section enters viewport, trigger animation */
            .discovery-section-reveal.in-viewport {
                opacity: 1;
                transform: translateY(0);
            }
        `;
        
        document.head.appendChild(style);
        LOG('Added discovery loading CSS styles');
    }
    
    // Create loading indicator element
    function createDiscoveryLoadingIndicator() {
        let loadingDiv = document.getElementById('discovery-loading-indicator');
        if (loadingDiv) {
            return loadingDiv;
        }

        loadingDiv = document.createElement('div');
        loadingDiv.className = 'discovery-loading-indicator';
        loadingDiv.id = 'discovery-loading-indicator';
        loadingDiv.style.visibility = 'hidden';
        loadingDiv.innerHTML = `
            <div class="spinner"></div>
        `;
            
        // Find the home sections container and append the loading indicator
        const container = document.querySelector('.libraryPage:not(.hide) .homeSectionsContainer');
        if (container) {
            container.appendChild(loadingDiv);
        }

        return loadingDiv;
    }
    
    // Show loading indicator
    function showDiscoveryLoadingIndicator() {
        let loadingIndicator = document.getElementById('discovery-loading-indicator');
        
        if (!loadingIndicator) {
            createDiscoveryLoadingIndicator();
        }
        
        loadingIndicator.classList.add('show');
        loadingIndicator.style.visibility = 'visible';
        loadingIndicator.style.display = 'flex';
        LOG('Discovery loading indicator shown');
    }
    
    // Hide loading indicator
    function hideDiscoveryLoadingIndicator() {
        const loadingIndicator = document.getElementById('discovery-loading-indicator');
        if (loadingIndicator) {
            loadingIndicator.classList.remove('show');     
            loadingIndicator.style.visibility = 'hidden';

            if (!enableInfiniteScroll) {
                loadingIndicator.style.display = 'none';
            }

            LOG('Discovery loading indicator hidden');
        }
    }
    
    // Body class management for home page and themes
    function manageBodyClasses() {
        const body = document.body;
        const currentView = window.KefinTweaksUtils?.getCurrentView();
        const isHomePage = currentView === 'home' || currentView === 'home.html';
        
        // Manage home-screen class
        if (isHomePage && body) {
            body.classList.add('home-screen');
        } else {
            body.classList.remove('home-screen');
        }
        
        // Manage theme classes (only on home page)
        if (isHomePage) {
            // Remove all existing theme classes
            const themeClasses = ['halloween-theme', 'christmas-theme', 'valentines-theme', 'newyear-theme'];
            themeClasses.forEach(themeClass => body.classList.remove(themeClass));
            
            // Add appropriate theme class based on current date
            if (isHalloweenPeriod()) {
                body.classList.add('halloween-theme');
            } else if (isChristmasPeriod()) {
                body.classList.add('christmas-theme');
            } else if (isValentinesPeriod()) {
                body.classList.add('valentines-theme');
            } else if (isNewYearsPeriod()) {
                body.classList.add('newyear-theme');
            }
        } else {
            // Remove all theme classes when not on home page
            const themeClasses = ['halloween-theme', 'christmas-theme', 'valentines-theme', 'newyear-theme'];
            themeClasses.forEach(themeClass => body.classList.remove(themeClass));
        }
    }
    
    // Initialize body class management
    manageBodyClasses();
    
    // Initialize discovery loading CSS
    addDiscoveryLoadingCSS();
    
    // Set up page view monitoring
    if (window.KefinTweaksUtils) {
        window.KefinTweaksUtils.onViewPage(manageBodyClasses, {
            immediate: true,
            pages: []
        });
        LOG('Registered body class management for home page');
    } else {
        WARN('KefinTweaksUtils not available, body class management may not work correctly');
    }
    
    // Custom home sections configuration
    // Read from centralized config or use defaults
    // name: The name of the section that will appear on the home screen
    // id: The ID of the playlist that will be used to fetch the items for the section
    // maxItems: The maximum number of items to display in the section
    // order: The flex order of the section on the home screen (requires css to take advantage of this)
    const customHomeSections = window.KefinTweaksConfig?.homeScreen?.customSections || [];

    // New and Trending sections configuration
    const enableNewAndTrending = window.KefinTweaksConfig?.homeScreen?.enableNewAndTrending !== false; // Default to true
    const enableNewMovies = window.KefinTweaksConfig?.homeScreen?.enableNewMovies !== false; // Default to true
    const enableNewEpisodes = window.KefinTweaksConfig?.homeScreen?.enableNewEpisodes !== false; // Default to true
    const enableTrending = window.KefinTweaksConfig?.homeScreen?.enableTrending || false; // Default to false (stubs for now)
    
    // Discovery sections configuration
    const enableWatchlist = window.KefinTweaksConfig?.homeScreen?.enableWatchlist || false;
    const enableDiscovery = window.KefinTweaksConfig?.homeScreen?.enableDiscovery || false;
    const enableSeasonal = window.KefinTweaksConfig?.homeScreen?.enableSeasonal || false;
    
    // People and genre configuration
    const minPeopleAppearances = window.KefinTweaksConfig?.homeScreen?.minPeopleAppearances || 10;
    const minGenreMovieCount = window.KefinTweaksConfig?.homeScreen?.minGenreMovieCount || 50;
    const minimumShowsForNetwork = window.KefinTweaksConfig?.homeScreen?.minimumShowsForNetwork || 5;
    const enableInfiniteScroll = window.KefinTweaksConfig?.homeScreen?.enableInfiniteScroll !== false; // Default to true
    
    // Seasonal configuration
    const SEASONAL_ITEM_LIMIT = window.KefinTweaksConfig?.homeScreen?.seasonalItemLimit || 16;

    // Processing flag to prevent parallel execution
    let isProcessing = false;
    let isLoadingDiscoveryGroup = false;
    
    // Seasonal data storage
    let halloweenMovies = [];
    let horrorMovies = [];
    let thrillerMovies = [];
    let halloweenViewMoreUrls = {
        horror: null,
        thriller: null
    };

    // Discovery sections data storage
    let moviesTopPeople = null;
    let renderedSections = new Set(); // Track rendered sections to avoid duplicates
    let isGeneratingDiscoverySections = false; // Prevent parallel generation (legacy)
    let isRenderingDiscoveryGroup = false; // Prevent parallel rendering from buffer
    let isInitializingPeopleCache = false; // Prevent parallel people cache initialization
    let isPeopleCacheComplete = false; // Track if all people data has been loaded
    let preloadedSections = []; // Preloaded sections ready for instant rendering
    
    // Track rendered items to avoid duplicates
    let renderedActors = new Set(); // Track rendered actor IDs
    let renderedDirectors = new Set(); // Track rendered director IDs
    let renderedWriters = new Set(); // Track rendered writer IDs
    let renderedStudios = new Set(); // Track rendered studio IDs
    let renderedWatchedMovies = new Set(); // Track rendered watched movie IDs for "Because you watched" sections
    let renderedFavoriteMovies = new Set(); // Track rendered favorite movie IDs
    let renderedStarringWatchedMovies = new Set(); // Track movies used for "Starring X since you watched Y" sections
    let renderedDirectedWatchedMovies = new Set(); // Track movies used for "Directed by X since you watched Y" sections
    let renderedWrittenWatchedMovies = new Set(); // Track movies used for "Written by X since you watched Y" sections
    
    // Pre-rendered sections waiting to be revealed
    let hiddenDiscoverySections = []; // Array of pre-rendered section DOM elements
    
    // Discovery buffer system
    let discoveryBuffer = []; // Buffer holding groups of discovery items (always 2 groups)
    let additionalDiscoveryContent = true; // Flag indicating if more discovery content is available
    let preloadedSectionElements = []; // Preloaded section DOM elements (hidden)
    let isPreloadingSections = false; // Prevent parallel preloading
    let discoveryScrollHandler = null; // Reference to scroll handler for cleanup
    let discoveryWheelHandler = null; // Reference to wheel handler for cleanup
    let discoveryTouchStartHandler = null; // Reference to touchstart handler for cleanup
    let discoveryTouchMoveHandler = null; // Reference to touchmove handler for cleanup

    /************ Helpers ************/

    /**
     * Fetches item data from Jellyfin API to determine type
     * @param {string} itemId - The item ID to fetch
     * @returns {Promise<Object>} - Item data with type information
     */
    async function fetchItemData(itemId) {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        
        const url = `${serverUrl}/Items/${itemId}`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data;
        } catch (err) {
            ERR(`Failed to fetch item data for ${itemId}:`, err);
            return null;
        }
    }

    /**
     * Fetches playlist data from Jellyfin API
     * @param {string} playlistId - The playlist ID to fetch
     * @returns {Promise<Object>} - Playlist data with ItemIds array
     */
    async function fetchPlaylistData(playlistId) {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        
        const url = `${serverUrl}/Playlists/${playlistId}`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data;
        } catch (err) {
            ERR(`Failed to fetch playlist data for ${playlistId}:`, err);
            return { ItemIds: [] };
        }
    }

    /**
     * Fetches collection data from Jellyfin API
     * @param {string} collectionId - The collection ID to fetch
     * @returns {Promise<Object>} - Collection data with Items array
     */
    async function fetchCollectionData(collectionId) {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        
        const url = `${serverUrl}/Users/${userId}/Items?ParentId=${collectionId}&Fields=ItemCounts%2CPrimaryImageAspectRatio%2CCanDelete%2CMediaSourceCount`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data;
        } catch (err) {
            ERR(`Failed to fetch collection data for ${collectionId}:`, err);
            return { Items: [] };
        }
    }

    /**
     * Generates the view more URL for a playlist or collection
     * @param {string} itemId - The item ID
     * @param {string} itemType - The item type ('Playlist' or 'BoxSet')
     * @returns {string} - The complete URL for the item page
     */
    function generateViewMoreUrl(itemId, itemType) {
        const apiClient = window.ApiClient;
        const serverId = apiClient.serverId();

        if (itemType === 'BoxSet') {
            // For collections, use the collection page
            return `${apiClient._serverAddress}/web/#/details?id=${itemId}&serverId=${serverId}`;
        } else {
            // For playlists, use the list page
            return `#/list.html?parentId=${itemId}&serverId=${serverId}`;
        }
    }

    /**
     * Renders a custom home section
     * @param {Object} section - Section configuration object
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    async function renderCustomSection(section, container) {
        try {
            // First, fetch item data to determine type
            const itemData = await fetchItemData(section.id);
            if (!itemData) {
                ERR(`Failed to fetch item data for section ${section.name}`);
                return false;
            }
            
            let itemIds = [];
            let itemType = itemData.Type;
            
            // Handle different item types
            if (itemType === 'Playlist') {
                // Fetch playlist data
                const playlistData = await fetchPlaylistData(section.id);
                itemIds = playlistData.ItemIds || [];
            } else if (itemType === 'BoxSet') {
                // Fetch collection data
                const collectionData = await fetchCollectionData(section.id);
                itemIds = (collectionData.Items || []).map(item => item.Id);
            } else {
                ERR(`Unsupported item type ${itemType} for section ${section.name}`);
                return false;
            }
            
            // Limit to maxItems
            const limitedItemIds = itemIds.slice(0, section.maxItems);
            
            if (limitedItemIds.length === 0) {
                return false;
            }
            
            // Generate view more URL
            const viewMoreUrl = generateViewMoreUrl(section.id, itemType);
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCardsFromIds) {
                WARN("cardBuilder not available, skipping section:", section.name);
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = await window.cardBuilder.renderCardsFromIds(
                limitedItemIds,
                section.name ?? itemData.Name,
                viewMoreUrl,
                true
            );
            
            // Add data attribute to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', section.id);
            scrollableContainer.setAttribute('data-custom-section-name', section.name);
            scrollableContainer.setAttribute('data-custom-section-type', itemType);

            if (section.order) {
                scrollableContainer.style.order = section.order;
            }
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            return true;
            
        } catch (err) {
            ERR(`Error rendering section ${section.name}:`, err);
            return false;
        }
    }

    /**
     * Renders all custom home sections
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllCustomSections(container) {
        const results = await Promise.all(
            customHomeSections.map(section => {
                // Check if section is already on the page
                const sectionContainer = container.querySelector(`[data-custom-section-id="${section.id}"]`);
                if (sectionContainer) {
                    LOG(`Section ${section.name} already on the page, skipping...`);
                    return false;
                }

                return renderCustomSection(section, container);
            })
        );
        
        const successCount = results.filter(Boolean).length;
        LOG(`Rendered ${successCount}/${customHomeSections.length} custom sections`);
    }

    /**
     * Renders trending movies section (stub for future implementation)
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderTrendingMoviesSection(container) {
        // TODO: Implement trending movies section
        LOG('Trending Movies section not yet implemented');
        return false;
    }

    /**
     * Renders trending series section (stub for future implementation)
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderTrendingSeriesSection(container) {
        // TODO: Implement trending series section
        LOG('Trending Series section not yet implemented');
        return false;
    }

    /**
     * Renders all new and trending sections
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllNewAndTrendingSections(container) {
        if (!enableNewAndTrending) {
            LOG('New and Trending sections disabled, skipping...');
            return;
        }
        
        const sectionsToRender = [];
        
        // Add new movies section if enabled and not already on the page
        const newMoviesContainer = container.querySelector('[data-custom-section-id="new-movies"]');

        if (enableNewMovies && !newMoviesContainer) {   
            sectionsToRender.push(renderNewMoviesSection(container));
        }
        
        // Add new episodes section if enabled and not already on the page
        const newEpisodesContainer = container.querySelector('[data-custom-section-id="new-episodes"]');

        if (enableNewEpisodes && !newEpisodesContainer) {
            sectionsToRender.push(renderNewEpisodesSection(container));
        }
        
        // Add trending sections if enabled (stubs for now)
/*         const trendingMoviesContainer = container.querySelector('[data-custom-section-id="trending-movies"]');
        const trendingSeriesContainer = container.querySelector('[data-custom-section-id="trending-series"]');

        if (enableTrending && !trendingMoviesContainer && !trendingSeriesContainer) {
            sectionsToRender.push(renderTrendingMoviesSection(container));
            sectionsToRender.push(renderTrendingSeriesSection(container));
        } */
        
        if (sectionsToRender.length === 0) {
            return;
        }
        
        const results = await Promise.all(sectionsToRender);
        const successCount = results.filter(Boolean).length;
        LOG(`Rendered ${successCount}/${sectionsToRender.length} new and trending sections`);
    }

    /************ Seasonal Section Helpers ************/

    /**
     * Checks if current date is within Halloween period (Oct 1-31)
     * @returns {boolean} - True if within Halloween period
     */
    function isHalloweenPeriod() {
        const now = new Date();
        const month = now.getMonth() + 1; // getMonth() returns 0-11
        const day = now.getDate();
        return month === 10 && day >= 1 && day <= 31;
    }

    /**
     * Checks if current date is within Christmas period (Dec 1-30)
     * @returns {boolean} - True if within Christmas period
     */
    function isChristmasPeriod() {
        const now = new Date();
        const month = now.getMonth() + 1;
        const day = now.getDate();
        return month === 12 && day >= 1 && day <= 30;
    }

    /**
     * Checks if current date is within New Years period (Dec 31 + Jan 1)
     * @returns {boolean} - True if within New Years period
     */
    function isNewYearsPeriod() {
        const now = new Date();
        const month = now.getMonth() + 1;
        const day = now.getDate();
        return (month === 12 && day === 31) || (month === 1 && day === 1);
    }

    /**
     * Checks if current date is within Valentine's Day period (Feb 14)
     * @returns {boolean} - True if within Valentine's Day period
     */
    function isValentinesPeriod() {
        const now = new Date();
        const month = now.getMonth() + 1;
        const day = now.getDate();
        return month === 2 && day === 14;
    }

    /**
     * Fetches all movie genres from Jellyfin API and caches them
     * @returns {Promise<Array>} - Array of genre objects with Name, ImageTags, and Id
     */
    async function fetchAndCacheMovieGenres() {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        
        try {
            const response = await fetch(`${serverUrl}/Genres?IncludeItemTypes=Movie`, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            const genres = data.Items || [];
            
            // Optimize genres to only include essential fields
            const optimizedGenres = genres.map(genre => ({
                Id: genre.Id,
                Name: genre.Name,
                ImageTags: genre.ImageTags || {},
                MovieCount: genre.MovieCount
            }));
            
            // Cache the optimized genres
            const cache = new window.LocalStorageCache();
            cache.set('movieGenres', optimizedGenres);
            LOG(`Cached ${optimizedGenres.length} movie genres`);
            
            return optimizedGenres;
        } catch (err) {
            ERR('Failed to fetch movie genres:', err);
            return [];
        }
    }

    /**
     * Gets a genre ID from cached movie genres
     * @param {string} genreName - Name of the genre to find
     * @returns {Promise<string|null>} - Genre ID or null if not found
     */
    async function getGenreId(genreName) {
        const cache = new window.LocalStorageCache();
        
        // Try to get from cache first
        let movieGenres = cache.get('movieGenres');
        
        // If not in cache or cache is invalid, fetch and cache
        if (!movieGenres || movieGenres.length === 0) {
            LOG('Movie genres not in cache, fetching...');
            movieGenres = await fetchAndCacheMovieGenres();
        }
        
        // Find the genre by name (case insensitive)
        const genre = movieGenres.find(g => g.Name.toLowerCase() === genreName.toLowerCase());
        return genre ? genre.Id : null;
    }

    /**
     * Fetches Halloween movie data from Jellyfin API
     * @returns {Promise<Object>} - Object containing halloween, horror, and thriller movies
     */
    async function fetchHalloweenMovieData() {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        const serverId = apiClient.serverId();
        
        // No longer fetching people data for Halloween
        const fieldsParam = '';
        
        // Fetch genre IDs for ViewMore URLs
        const [horrorGenreId, thrillerGenreId] = await Promise.all([
            getGenreId('Horror'),
            getGenreId('Thriller')
        ]);
        
        const queries = [
            {
                name: 'halloween',
                url: `${serverUrl}/Items?userId=${userId}&Tags=halloween&IncludeItemTypes=Movie&Recursive=true&Limit=200${fieldsParam}`,
                viewMoreUrl: null
            },
            {
                name: 'horror',
                url: `${serverUrl}/Items?userId=${userId}&Genres=Horror&IncludeItemTypes=Movie&Recursive=true&SortBy=Random&Limit=200${fieldsParam}`,
                viewMoreUrl: horrorGenreId ? `/web/#/list.html?genreId=${horrorGenreId}&serverId=${serverId}` : null
            },
            {
                name: 'thriller',
                url: `${serverUrl}/Items?userId=${userId}&Genres=Thriller&IncludeItemTypes=Movie&Recursive=true&SortBy=Random&Limit=200${fieldsParam}`,
                viewMoreUrl: thrillerGenreId ? `/web/#/list.html?genreId=${thrillerGenreId}&serverId=${serverId}` : null
            }
        ];
        
        try {
            const results = await Promise.all(
                queries.map(async (query) => {
                    const response = await fetch(query.url, {
                        headers: {
                            "Authorization": `MediaBrowser Token="${token}"`
                        }
                    });
                    
                    if (!response.ok) {
                        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                    }
                    
                    const data = await response.json();
                    return {
                        name: query.name,
                        items: data.Items || []
                    };
                })
            );
            
            // Process results
            const halloweenItems = results.find(r => r.name === 'halloween')?.items || [];
            const horrorItems = results.find(r => r.name === 'horror')?.items || [];
            const thrillerItems = results.find(r => r.name === 'thriller')?.items || [];
            
            // Combine all items into halloweenMovies, removing duplicates by ID
            const allItems = [...halloweenItems];
            const existingIds = new Set(halloweenItems.map(item => item.Id));
            
            // Add horror items that aren't already in halloween
            horrorItems.forEach(item => {
                if (!existingIds.has(item.Id)) {
                    allItems.push(item);
                    existingIds.add(item.Id);
                }
            });
            
            // Add thriller items that aren't already in halloween or horror
            thrillerItems.forEach(item => {
                if (!existingIds.has(item.Id)) {
                    allItems.push(item);
                    existingIds.add(item.Id);
                }
            });
            
            return {
                allHalloweenMovies: allItems,
                halloweenMovies: halloweenItems,
                horrorMovies: horrorItems,
                thrillerMovies: thrillerItems,
                viewMoreUrls: {
                    horror: queries.find(q => q.name === 'horror')?.viewMoreUrl || null,
                    thriller: queries.find(q => q.name === 'thriller')?.viewMoreUrl || null
                }
            };
            
        } catch (err) {
            ERR('Failed to fetch Halloween movie data:', err);
            return {
                allHalloweenMovies: [],
                halloweenMovies: [],
                horrorMovies: [],
                thrillerMovies: [],
                viewMoreUrls: {
                    horror: null,
                    thriller: null
                }
            };
        }
    }



    /**
     * Fetches and processes top people data from all movies using pagination
     * @returns {Promise<Object|null>} - Top people data or null if failed
     */
    async function fetchTopPeople() {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        const cache = new window.LocalStorageCache();
        
        try {
            LOG('Starting paginated fetch of movies for people data processing...');
            
            let allMovies = [];
            let startIndex = 0;
            const limit = 500;
            let hasMoreData = true;
            
            // Load existing partial data if available
            const existingData = cache.get('movies_top_people');
            if (existingData && !existingData.isComplete) {
                const moviesProcessed = countMoviesFromPeopleData(existingData);
                if (moviesProcessed > 0) {
                    startIndex = moviesProcessed;
                    LOG(`Resuming from existing data: ${moviesProcessed} movies already processed`);
                }
            }
            
            // Fetch movies in chunks of 500
            while (hasMoreData) {
                const url = `${serverUrl}/Items?userId=${userId}&IncludeItemTypes=Movie&Recursive=true&Fields=People&Limit=${limit}&StartIndex=${startIndex}`;
                
                LOG(`Fetching movies ${startIndex} to ${startIndex + limit - 1}...`);
                
                const response = await fetch(url, {
                    headers: {
                        "Authorization": `MediaBrowser Token="${token}"`
                    }
                });
                
                if (!response.ok) {
                    throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                }
                
                const data = await response.json();
                const movies = data.Items || [];
                
                if (movies.length === 0) {
                    hasMoreData = false;
                    LOG('No more movies to fetch');
                } else {
                    allMovies = allMovies.concat(movies);
                    startIndex += movies.length;
                    
                    LOG(`Fetched ${movies.length} movies, total: ${allMovies.length}`);
                    
                    // Process and cache partial data after each chunk
                    const partialPeopleData = processPeopleData(allMovies);
                    if (partialPeopleData) {
                        // Mark as incomplete and store movie count for resuming
                        partialPeopleData.isComplete = movies.length < limit; // Complete if we got less than limit
                        partialPeopleData.moviesProcessedCount = allMovies.length;
                        
                        // Update the global moviesTopPeople immediately so discovery sections can use it
                        moviesTopPeople = partialPeopleData;
                        
                        // Cache partial data
                        cache.set('movies_top_people', partialPeopleData, userId, 7 * 24 * 60 * 60 * 1000);
                        LOG(`Updated moviesTopPeople with partial data: ${partialPeopleData.actors.length} actors, ${partialPeopleData.directors.length} directors, ${partialPeopleData.writers.length} writers (${allMovies.length} movies processed)`);
                    }
                    
                    // If we got less than the limit, we've reached the end
                    if (movies.length < limit) {
                        hasMoreData = false;
                        isPeopleCacheComplete = true;
                        LOG('Reached end of movies, people cache is complete');
                    }
                }
            }
            
            // Final processing of all data
            LOG(`Final processing of ${allMovies.length} movies...`);
            const finalPeopleData = processPeopleData(allMovies);
            
            if (finalPeopleData) {
                // Mark as complete and remove movies count to save space
                finalPeopleData.isComplete = true;
                delete finalPeopleData.moviesProcessedCount;
                
                // Update global variable
                moviesTopPeople = finalPeopleData;
                
                // Cache final data
                cache.set('movies_top_people', finalPeopleData, userId, 7 * 24 * 60 * 60 * 1000);
                LOG(`Final cached people data: ${finalPeopleData.actors.length} actors, ${finalPeopleData.directors.length} directors, ${finalPeopleData.writers.length} writers`);
            }
            
            return finalPeopleData;
            
        } catch (err) {
            ERR('Failed to fetch top people data:', err);
            return null;
        }
    }

    /**
     * Processes people data from movies array
     * @param {Array} movies - Array of movie objects with People data
     * @returns {Object|null} - Processed people data or null if failed
     */
    function processPeopleData(movies) {
        try {
        const peopleMap = new Map();
        
        movies.forEach(movie => {
            if (movie.People) {
                movie.People.forEach(person => {
                    const key = person.Id;
                    if (!peopleMap.has(key)) {
                        peopleMap.set(key, {
                            id: person.Id,
                            name: person.Name,
                            directorCount: 0,
                            writerCount: 0,
                            actorCount: 0,
                            directorItemIds: [],
                            writerItemIds: [],
                            actorItemIds: []
                        });
                    }
                    
                    const personData = peopleMap.get(key);
                    if (person.Type === 'Director') {
                        personData.directorCount++;
                        if (!personData.directorItemIds.includes(movie.Id)) {
                            personData.directorItemIds.push(movie.Id);
                        }
                    } else if (person.Type === 'Writer') {
                        personData.writerCount++;
                        if (!personData.writerItemIds.includes(movie.Id)) {
                            personData.writerItemIds.push(movie.Id);
                        }
                    } else if (person.Type === 'Actor') {
                        personData.actorCount++;
                        if (!personData.actorItemIds.includes(movie.Id)) {
                            personData.actorItemIds.push(movie.Id);
                        }
                    }
                });
            }
        });
        
            // Filter and sort people by count, taking top 100 per category
            const allPeople = Array.from(peopleMap.values());
            
            const topDirectors = allPeople
                .filter(person => person.directorCount >= minPeopleAppearances)
                .sort((a, b) => b.directorCount - a.directorCount)
                .slice(0, 100)
                .map(person => ({
                    id: person.id,
                    name: person.name,
                    count: person.directorCount,
                    itemIds: person.directorItemIds
                }));
                
            const topWriters = allPeople
                .filter(person => person.writerCount >= minPeopleAppearances)
                .sort((a, b) => b.writerCount - a.writerCount)
                .slice(0, 100)
                .map(person => ({   
                    id: person.id,
                    name: person.name,
                    count: person.writerCount,
                    itemIds: person.writerItemIds
                }));
                
            const topActors = allPeople
                .filter(person => person.actorCount >= minPeopleAppearances)
                .sort((a, b) => b.actorCount - a.actorCount)
                .slice(0, 100)
                .map(person => ({   
                    id: person.id,
                    name: person.name,
                    count: person.actorCount,
                    itemIds: person.actorItemIds
                }));
            
            return {
                actors: topActors,
                directors: topDirectors,
                writers: topWriters
            };
            
        } catch (err) {
            ERR('Failed to process people data:', err);
            return null;
        }
    }


    /**
     * Initializes the people cache in the background
     */
    async function initializePeopleCache() {
        // Prevent concurrent initialization
        if (isInitializingPeopleCache) {
            LOG('People cache initialization already in progress, skipping...');
            return;
        }
        
        // Check if we already have complete data
        if (moviesTopPeople !== null && isPeopleCacheComplete) {
            LOG('People cache already loaded and complete');
            return;
        }
        
        const cache = new window.LocalStorageCache();
        
        // Check if we have valid cached data
        if (cache.isCacheValid('movies_top_people')) {
            const cachedData = cache.get('movies_top_people');
            
            // Check if data is complete
            if (cachedData.isComplete) {
                moviesTopPeople = cachedData;
                isPeopleCacheComplete = true;
                LOG('Loaded complete top people data from cache');
                return;
            } else if (cachedData.moviesProcessedCount) {
                // Use the stored count for resuming
                const moviesProcessed = cachedData.moviesProcessedCount;
                if (moviesProcessed > 0 && moviesProcessed % 500 === 0) {
                    // We have a complete set of 500-item chunks, continue loading
                    moviesTopPeople = cachedData;
                    isPeopleCacheComplete = false;
                    LOG(`Loaded partial top people data from cache (${moviesProcessed} movies), will continue fetching...`);
                } else if (moviesProcessed > 0) {
                    // We have incomplete data, use what we have but don't continue loading
                    moviesTopPeople = cachedData;
                    isPeopleCacheComplete = true;
                    LOG(`Loaded incomplete top people data from cache (${moviesProcessed} movies), not divisible by 500, using as-is`);
                    return;
                } else {
                    // We have partial data without count info, load it and continue fetching
                    moviesTopPeople = cachedData;
                    isPeopleCacheComplete = false;
                    LOG('Loaded partial top people data from cache, will continue fetching...');
                }
            } else {
                // No moviesProcessedCount stored, treat as incomplete and continue fetching
                moviesTopPeople = cachedData;
                isPeopleCacheComplete = false;
                LOG('Loaded partial top people data from cache (no count stored), will continue fetching...');
            }
        }
        
        // Set flag to prevent concurrent calls
        isInitializingPeopleCache = true;
        
        try {
            // Fetch/continue fetching data in the background
            LOG('Fetching/continuing top people data in background...');
            const result = await fetchTopPeople();
            if (result) {
                moviesTopPeople = result;
                isPeopleCacheComplete = result.isComplete || false;
            }
        } finally {
            // Always reset the flag
            isInitializingPeopleCache = false;
        }
    }

    /**
     * Navigates to the watchlist tab by clicking the appropriate tab button
     */
    function getWatchlistUrl() {
        let homePageSuffix = '.html';
        if (ApiClient._serverInfo.Version?.split('.')[1] > 10) {
            homePageSuffix = '';
        }
        const visibleWatchlistTab = document.querySelector('.libraryPage:not(.hide) .pageTabContent:has(.watchlist.sections)');
        const visibleWatchlistTabIndex = visibleWatchlistTab ? visibleWatchlistTab.getAttribute('data-index') : null;

        if (visibleWatchlistTabIndex) {
            return `#/home${homePageSuffix}?tab=${visibleWatchlistTabIndex}`;
        } else {
            WARN('Watchlist tab not found');
            return null;
        }
    }

    /************ Discovery Section Helpers ************/

    /**
     * Fetches similar content for a movie or series
     * @param {string} itemId - The item ID
     * @param {string} type - 'Movie' or 'Series'
     * @returns {Promise<Array>} - Array of similar items
     */
    async function fetchSimilarContent(itemId, type) {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        
        const endpoint = type === 'Movie' ? 'Movies' : 'Shows';
        // Double the limit to account for filtering out played items
        // Sadly Jellyfin API doesn't seem to support filtering out played items in the Similar endpoint
        const url = `${serverUrl}/${endpoint}/${itemId}/Similar?limit=32`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            const allItems = data.Items || [];
            
            // Filter out played items
            const unplayedItems = allItems.filter(item => !item.UserData?.Played);
            
            // If we have enough unplayed items, randomly select 16
            if (unplayedItems.length >= 16) {
                // Shuffle array and take first 16
                const shuffled = [...unplayedItems].sort(() => Math.random() - 0.5);
                return shuffled.slice(0, 16);
            }
            
            // If we don't have enough unplayed items, return what we have
            // (shuffled to avoid always showing the same items)
            return [...unplayedItems].sort(() => Math.random() - 0.5);
            
        } catch (err) {
            ERR(`Failed to fetch similar content for ${type} ${itemId}:`, err);
            return [];
        }
    }

    /**
     * Fetches items with IsFavorite filter
     * @param {string} includeItemTypes - Item types to include (e.g., 'Movie,Series')
     * @returns {Promise<Array>} - Array of favorite items
     */
    async function fetchFavoriteItems(includeItemTypes = 'Movie,Series') {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        
        const url = `${serverUrl}/Items?userId=${userId}&IncludeItemTypes=${includeItemTypes}&SortBy=DatePlayed&SortOrder=Descending&Recursive=true&Limit=16&Filters=IsFavorite`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data.Items || [];
        } catch (err) {
            ERR(`Failed to fetch favorite items:`, err);
            return [];
        }
    }

    /**
     * Gets random item from array
     * @param {Array} items - Array of items
     * @param {Set} trackingSet - Optional set to track and filter out already rendered items
     * @returns {Object|null} - Random item or null if array is empty or all items are already rendered
     */
    function getRandomItem(items, trackingSet = null) {
        if (!items || items.length === 0) return null;
        
        // If tracking set provided, filter out already rendered items
        let availableItems = items;
        if (trackingSet) {
            availableItems = items.filter(item => {
                const name = item.Name || item.name;
                return name && !trackingSet.has(name);
            });
        }
        
        // Check if we have any available items
        if (availableItems.length === 0) return null;
        
        // Get random item from available items
        const randomItem = availableItems[Math.floor(Math.random() * availableItems.length)];
        
        // Track the item if tracking set provided
        if (trackingSet && randomItem) {
            const name = randomItem.Name || randomItem.name;
            if (name) {
                trackingSet.add(name);
            }
        }
        
        return randomItem;
    }

    /**
     * Shuffles an array and returns a new shuffled copy
     * @param {Array} array - Array to shuffle
     * @returns {Array} - New shuffled array
     */
    function shuffleArray(array) {
        if (!array || array.length === 0) return [];
        const shuffled = [...array];
        for (let i = shuffled.length - 1; i > 0; i--) {
            const j = Math.floor(Math.random() * (i + 1));
            [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
        }
        return shuffled;
    }

    /**
     * Gets top N most frequent people from movie history
     * @param {Array} movies - Array of movie objects
     * @param {string} personType - 'Director' or 'Actor'
     * @param {number} limit - Number of top people to return
     * @returns {Array} - Array of person objects with counts
     */
    function getTopPeople(movies, personType, limit = 25) {
        const personCounts = {};
        
        movies.forEach(movie => {
            if (movie.People) {
                movie.People.forEach(person => {
                    if (person.Type === personType) {
                        const key = person.Id;
                        if (!personCounts[key]) {
                            personCounts[key] = {
                                ...person,
                                count: 0
                            };
                        }
                        personCounts[key].count++;
                    }
                });
            }
        });
        
        return Object.values(personCounts)
            .sort((a, b) => b.count - a.count)
            .slice(0, limit);
    }

    /**
     * Gets watchlist data from localStorageCache
     * @returns {Array} - Combined watchlist items (movies + series)
     */
    function getWatchlistData() {
        if (typeof window.LocalStorageCache === 'undefined') {
            WARN('LocalStorageCache not available');
            return [];
        }
        
        const cache = new window.LocalStorageCache();
        const movies = cache.get('watchlist_movies') || [];
        const series = cache.get('watchlist_series') || [];
        const seasons = cache.get('watchlist_seasons') || [];   
        const episodes = cache.get('watchlist_episodes') || [];
        
        return [...movies, ...series, ...seasons, ...episodes].sort((a, b) => {
            const dateA = new Date(a.PremiereDate || 0);
            const dateB = new Date(b.PremiereDate || 0);
            return dateB - dateA;
        });
    }

    /**
     * Gets movie history data from localStorageCache
     * @returns {Array} - Array of watched movies
     */
    function getMovieHistoryData() {
        if (typeof window.LocalStorageCache === 'undefined') {
            WARN('LocalStorageCache not available');
            return [];
        }
        
        const cache = new window.LocalStorageCache();
        return cache.get('movies') || [];
    }

    /**
     * Gets series progress data from localStorageCache
     * @returns {Array} - Array of series with progress data
     */
    function getSeriesProgressData() {
        if (typeof window.LocalStorageCache === 'undefined') {
            WARN('LocalStorageCache not available');
            return [];
        }
        
        const cache = new window.LocalStorageCache();
        return cache.getChunked('progress') || [];
    }

    /**
     * Gets random watched movie from history (last 25 by DatePlayed)
     * @returns {Object|null} - Random watched movie or null
     */
    function getRandomWatchedMovie() {
        const movies = getMovieHistoryData();
        if (movies.length === 0) return null;
        
        // Sort by DatePlayed descending and take last 25
        const sortedMovies = movies
            .filter(movie => movie.UserData && movie.UserData.Played)
            .sort((a, b) => new Date(b.UserData.LastPlayedDate || 0) - new Date(a.UserData.LastPlayedDate || 0))
            .slice(0, 25);
        
        // Filter out already rendered movies
        const availableMovies = sortedMovies.filter(movie => 
            movie.Id && !renderedWatchedMovies.has(movie.Id)
        );
        
        if (availableMovies.length === 0) return null;
        
        const randomMovie = getRandomItem(availableMovies);
        
        // Track rendered movie
        if (randomMovie && randomMovie.Id) {
            renderedWatchedMovies.add(randomMovie.Id);
        }
        
        return randomMovie;
    }

    /**
     * Gets random watched series from progress (last 25 by lastWatchedEpisode date)
     * @returns {Object|null} - Random watched series or null
     */
    function getRandomWatchedSeries() {
        const series = getSeriesProgressData();
        if (series.length === 0) return null;
        
        // Sort by lastWatchedEpisode date and take last 25
        const sortedSeries = series
            .filter(s => s.lastWatchedEpisode && s.lastWatchedEpisode.UserData && s.lastWatchedEpisode.UserData.Played)
            .sort((a, b) => new Date(b.lastWatchedEpisode.UserData.LastPlayedDate || 0) - new Date(a.lastWatchedEpisode.UserData.LastPlayedDate || 0))
            .slice(0, 25);
        
        const randomSeries = getRandomItem(sortedSeries);

        return randomSeries ? randomSeries.series : null;
    }

    /**
     * Gets random favorite movie
     * @returns {Promise<Object|null>} - Random favorite movie or null
     */
    async function getRandomFavoriteMovie() {
        const favorites = await fetchFavoriteItems('Movie');
        if (!favorites || favorites.length === 0) return null;
        
        // Filter out already rendered movies
        const availableMovies = favorites.filter(movie => 
            movie.Id && !renderedFavoriteMovies.has(movie.Id)
        );
        
        if (availableMovies.length === 0) return null;
        
        const randomMovie = getRandomItem(availableMovies);
        
        // Track rendered movie
        if (randomMovie && randomMovie.Id) {
            renderedFavoriteMovies.add(randomMovie.Id);
        }
        
        return randomMovie;
    }

    /**
     * Gets random favorite series
     * @returns {Promise<Object|null>} - Random favorite series or null
     */
    async function getRandomFavoriteSeries() {
        const favorites = await fetchFavoriteItems('Series');
        return getRandomItem(favorites);
    }

    /**
     * Gets random recently watched movie with heavy weighting for first 5
     * @param {Set} trackingSet - Optional set to track rendered movies (defaults to renderedWatchedMovies)
     * @returns {Object|null} - Random recently watched movie or null
     */
    function getRandomRecentlyWatchedMovie(trackingSet = null) {
        const movies = getMovieHistoryData();
        if (movies.length === 0) return null;
        
        // Sort by LastPlayedDate descending and take top 10
        const sortedMovies = movies
            .filter(movie => movie.UserData && movie.UserData.Played && movie.UserData.LastPlayedDate)
            .sort((a, b) => new Date(b.UserData.LastPlayedDate) - new Date(a.UserData.LastPlayedDate))
            .slice(0, 10);
        
        if (sortedMovies.length === 0) return null;
        
        // Use provided tracking set or default to renderedWatchedMovies
        const usedTrackingSet = trackingSet || renderedWatchedMovies;
        
        // Filter out already rendered movies based on the tracking set
        const availableMovies = sortedMovies.filter(movie => 
            movie.Id && !usedTrackingSet.has(movie.Id)
        );
        
        if (availableMovies.length === 0) return null;
        
        // Heavy weighting: 70% chance for first 5, 30% for rest
        let selectedMovie;
        if (Math.random() < 0.7 && availableMovies.length >= 5) {
            // Pick from first 5
            const firstFive = availableMovies.slice(0, 5);
            selectedMovie = firstFive[Math.floor(Math.random() * firstFive.length)];
        } else {
            // Pick from all available
            selectedMovie = availableMovies[Math.floor(Math.random() * availableMovies.length)];
        }
        
        // Track rendered movie in the appropriate set
        if (selectedMovie && selectedMovie.Id) {
            usedTrackingSet.add(selectedMovie.Id);
        }
        
        return selectedMovie;
    }

    /**
     * Fetches and caches Popular TV Networks (studios) from all TV show libraries
     * @returns {Promise<Array>} - Array of studio objects sorted by ChildCount (descending)
     */
    async function fetchAndCachePopularTVNetworks() {
        const cache = new window.LocalStorageCache();
        const cacheKey = 'popularTVNetworks';
        
        // Check cache first
        const cached = cache.get(cacheKey);
        if (cached) {
            LOG('Using cached Popular TV Networks');
            return cached;
        }
        
        try {
            LOG('Fetching Popular TV Networks...');
            const apiClient = window.ApiClient;
            const serverUrl = apiClient.serverAddress();
            const token = apiClient.accessToken();
            const userId = apiClient.getCurrentUserId();
            
            // Get root libraries
            const librariesResponse = await apiClient.getItems();
            const libraries = librariesResponse.Items || [];
            
            // Filter for TV show libraries
            const tvLibraries = libraries.filter(lib => lib.CollectionType === 'tvshows');
            
            if (tvLibraries.length === 0) {
                LOG('No TV show libraries found');
                return [];
            }
            
            // Fetch studios from all TV libraries
            const allStudios = [];
            for (const library of tvLibraries) {
                try {
                    const studiosUrl = `${serverUrl}/Studios?SortBy=SortName&SortOrder=Ascending&IncludeItemTypes=Series&Recursive=true&Fields=DateCreated%2CPrimaryImageAspectRatio&StartIndex=0&ParentId=${library.Id}&userId=${userId}`;
                    const response = await fetch(studiosUrl, {
                        headers: {
                            "Authorization": `MediaBrowser Token="${token}"`
                        }
                    });
                    
                    if (!response.ok) {
                        WARN(`Failed to fetch studios for library ${library.Name}: ${response.status}`);
                        continue;
                    }
                    
                    const data = await response.json();
                    const studios = data.Items || [];
                    allStudios.push(...studios);
                } catch (err) {
                    ERR(`Error fetching studios for library ${library.Name}:`, err);
                }
            }
            
            // Deduplicate studios by Id
            const uniqueStudios = [];
            const seenIds = new Set();
            for (const studio of allStudios) {
                if (!seenIds.has(studio.Id)) {
                    seenIds.add(studio.Id);
                    uniqueStudios.push(studio);
                }
            }
            
            // Sort by ChildCount (descending)
            uniqueStudios.sort((a, b) => (b.ChildCount || 0) - (a.ChildCount || 0));
            
            // Filter by minimum shows
            const filteredStudios = uniqueStudios.filter(studio => 
                (studio.ChildCount || 0) >= minimumShowsForNetwork
            );
            
            LOG(`Fetched ${filteredStudios.length} Popular TV Networks (filtered from ${uniqueStudios.length})`);
            
            // Cache the results
            cache.set(cacheKey, filteredStudios);
            
            return filteredStudios;
        } catch (err) {
            ERR('Error fetching Popular TV Networks:', err);
            return [];
        }
    }

    /**
     * Gets Popular TV Networks from cache or fetches if not cached
     * @returns {Promise<Array>} - Array of studio objects
     */
    async function getPopularTVNetworks() {
        const cache = new window.LocalStorageCache();
        const cacheKey = 'popularTVNetworks';
        
        const cached = cache.get(cacheKey);
        if (cached && cached.length > 0) {
            return cached;
        }
        
        return await fetchAndCachePopularTVNetworks();
    }

    /**
     * Fetches items (Series) by studio ID
     * @param {string} studioId - Studio ID
     * @returns {Promise<Array>} - Array of series items
     */
    async function fetchItemsByStudio(studioId) {
        try {
            const apiClient = window.ApiClient;
            const serverUrl = apiClient.serverAddress();
            const token = apiClient.accessToken();
            const userId = apiClient.getCurrentUserId();
            
            // Use Items endpoint with StudioIds parameter, sort by random
            const url = `${serverUrl}/Items?IncludeItemTypes=Series&Recursive=true&SortBy=Random&Fields=PrimaryImageAspectRatio%2CDateCreated%2COverview%2CProductionYear%2CPeople&StudioIds=${studioId}&userId=${userId}&Limit=32`;
            
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data.Items || [];
        } catch (err) {
            ERR(`Error fetching items by studio ${studioId}:`, err);
            return [];
        }
    }

    /**
     * Fetches items by person ID (for actors, directors, writers)
     * @param {string} personId - Person ID
     * @param {string} includeItemTypes - Item types to include (default: 'Movie')
     * @returns {Promise<Array>} - Array of items
     */
    async function fetchItemsByPersonId(personId, includeItemTypes = 'Movie') {
        try {
            const apiClient = window.ApiClient;
            const serverUrl = apiClient.serverAddress();
            const token = apiClient.accessToken();
            const userId = apiClient.getCurrentUserId();
            
            // Use Items endpoint with PersonIds parameter, sort by random, include People field
            const url = `${serverUrl}/Items?IncludeItemTypes=${includeItemTypes}&PersonIds=${personId}&Recursive=true&SortBy=Random&Fields=PrimaryImageAspectRatio%2CDateCreated%2COverview%2CProductionYear%2CPeople&userId=${userId}&Limit=32`;
            
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data.Items || [];
        } catch (err) {
            ERR(`Error fetching items by person ${personId}:`, err);
            return [];
        }
    }

    /**
     * Filters items to only include those where the person has the specified type (Actor, Director, Writer)
     * @param {Array} items - Array of items with People field
     * @param {string} personId - Person ID to check
     * @param {string} personType - Type to filter by ('Actor', 'Director', 'Writer')
     * @returns {Array} - Filtered array of items
     */
    function filterPeopleByType(items, personId, personType) {
        return items.filter(item => {
            if (!item.People || !Array.isArray(item.People)) return false;
            return item.People.some(person => 
                person.Id === personId && person.Type === personType
            );
        });
    }

    /**
     * Fetches newest movies from Jellyfin API
     * @returns {Promise<Array>} - Array of newest movie items
     */
    async function fetchNewMovies() {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        
        const today = new Date().toISOString().split('T')[0]; // Format: YYYY-MM-DD
        const monthAgo = new Date(Date.now() - 30 * 24 * 60 * 60 * 1000).toISOString().split('T')[0]; // Format: YYYY-MM-DD
        const url = `${serverUrl}/Items?IncludeItemTypes=Movie&SortBy=DateCreated&SortOrder=Descending&Limit=16&Fields=PremiereDate&Recursive=true&MinPremiereDate=${monthAgo}&MaxPremiereDate=${today}&userId=${userId}`;
        
        try {
            const response = await fetch(url, {
                headers: {
                    'X-Emby-Token': token
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            return data.Items || [];
            
        } catch (err) {
            ERR('Failed to fetch new movies:', err);
            return [];
        }
    }

    /**
     * Fetches newest episodes from the last 7 days
     * Deduplicates episodes from the same series that aired on the same date,
     * keeping only the episode with the lowest index number
     * @returns {Promise<Array>} - Array of deduplicated newest episode items
     */
    async function fetchNewEpisodes() {
        const apiClient = window.ApiClient;
        const serverUrl = apiClient.serverAddress();
        const token = apiClient.accessToken();
        const userId = apiClient.getCurrentUserId();
        
        // Compute ISO date range for the last 7 days
        const now = new Date();
        const maxDate = now.toISOString();
        const minDate = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000).toISOString();
        
        const url = `${serverUrl}/Items?IncludeItemTypes=Episode` +
                    `&LocationTypes=FileSystem` +
                    `&Recursive=true` +
                    `&SortBy=PremiereDate&SortOrder=Descending` +
                    `&MinPremiereDate=${encodeURIComponent(minDate)}` +
                    `&MaxPremiereDate=${encodeURIComponent(maxDate)}` +
                    `&Limit=100` +
                    `&Fields=PremiereDate,SeriesName,ParentIndexNumber,IndexNumber,ProviderIds,Path` +
                    `&userId=${userId}`;
        
        try {
            const response = await fetch(url, {
                headers: { 'X-Emby-Token': token }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            const episodes = data.Items || [];
            
            // Deduplicate episodes from the same series that aired on the same date
            const deduplicatedEpisodes = deduplicateEpisodesBySeriesAndDate(episodes);
            
            LOG(`Fetched ${episodes.length} episodes, deduplicated to ${deduplicatedEpisodes.length} episodes`);
            
            return deduplicatedEpisodes;
            
        } catch (err) {
            ERR('Failed to fetch new episodes:', err);
            return [];
        }
    }

    /**
     * Deduplicates episodes from the same series that aired on the same date
     * Keeps only the episode with the lowest index number (first episode of season)
     * @param {Array} episodes - Array of episode objects
     * @returns {Array} - Deduplicated array of episodes
     */
    function deduplicateEpisodesBySeriesAndDate(episodes) {
        if (!episodes || episodes.length === 0) return [];
        
        // Group episodes by series name and premiere date
        const groupedEpisodes = new Map();
        
        episodes.forEach(episode => {
            const seriesName = episode.SeriesName || 'Unknown Series';
            const premiereDate = episode.PremiereDate || '';
            const key = `${seriesName}|${premiereDate}`;
            
            if (!groupedEpisodes.has(key)) {
                groupedEpisodes.set(key, []);
            }
            
            groupedEpisodes.get(key).push(episode);
        });
        
        // For each group, keep only the episode with the lowest index number
        const deduplicatedEpisodes = [];
        
        groupedEpisodes.forEach(episodeGroup => {
            if (episodeGroup.length === 1) {
                // Only one episode for this series/date, keep it
                deduplicatedEpisodes.push(episodeGroup[0]);
            } else {
                // Multiple episodes for this series/date, find the one with lowest index number
                const episodeWithLowestIndex = episodeGroup.reduce((lowest, current) => {
                    const currentIndex = current.IndexNumber || 999999;
                    const lowestIndex = lowest.IndexNumber || 999999;
                    return currentIndex < lowestIndex ? current : lowest;
                });
                
                deduplicatedEpisodes.push(episodeWithLowestIndex);
                
                LOG(`Deduplicated ${episodeGroup.length} episodes from "${episodeGroup[0].SeriesName}" on ${episodeGroup[0].PremiereDate}, kept episode ${episodeWithLowestIndex.IndexNumber}`);
            }
        });
        
        return deduplicatedEpisodes;
    }

    /**
     * Renders New Movies section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {Promise<boolean>} - Success status
     */
    async function renderNewMoviesSection(container) {
        try {
            const movies = await fetchNewMovies();
            
            if (movies.length === 0) {
                return false;
            }
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping New Movies section");
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = window.cardBuilder.renderCards(
                movies,
                'New Movies',
                null,
                true
            );
            
            // Add data attributes to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', 'new-movies');
            scrollableContainer.setAttribute('data-custom-section-name', 'New Movies');
            scrollableContainer.style.order = 30;
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            return true;
            
        } catch (err) {
            ERR('Error rendering New Movies section:', err);
            return false;
        }
    }

    /**
     * Renders New Episodes section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {Promise<boolean>} - Success status
     */
    async function renderNewEpisodesSection(container) {
        try {
            const episodes = await fetchNewEpisodes();
            
            if (episodes.length === 0) {
                return false;
            }
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping New Episodes section");
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = window.cardBuilder.renderCards(
                episodes,
                'New Episodes',
                null,
                true
            );
            
            // Add data attributes to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', 'new-episodes');
            scrollableContainer.setAttribute('data-custom-section-name', 'New Episodes');
            scrollableContainer.style.order = 31;
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            return true;
            
        } catch (err) {
            ERR('Error rendering New Episodes section:', err);
            return false;
        }
    }

    /**
     * Renders watchlist section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderWatchlistSection(container) {
        try {
            // Check if section is already on the page
            const sectionContainer = container.querySelector('[data-custom-section-id="watchlist"]');
            if (sectionContainer) {
                LOG('Watchlist section already on the page, skipping...');
                return false;
            }

            const watchlistItems = getWatchlistData();
            
            if (watchlistItems.length === 0) {
                return false;
            }
            
            // Get 16 random items from watchlist
            const shuffled = [...watchlistItems].sort(() => Math.random() - 0.5);
            const limitedItems = shuffled.slice(0, 16);
            
            if (limitedItems.length === 0) {
                return false;
            }
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping watchlist section");
                return false;
            }

            // Render the scrollable container with function-based navigation
            const scrollableContainer = window.cardBuilder.renderCards(
                limitedItems,
                'My Watchlist',
                getWatchlistUrl(),
                true,
                'portrait'
            );
            
            // Add data attribute to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', 'watchlist');
            scrollableContainer.setAttribute('data-custom-section-name', 'Your Watchlist');
            scrollableContainer.style.order = 32;
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            return true;
            
        } catch (err) {
            ERR('Error rendering watchlist section:', err);
            return false;
        }
    }

    /**
     * Renders Popular TV Networks section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {Promise<boolean>} - Success status
     */
    async function renderPopularTVNetworksSection(container) {
        try {
            // Check if section is already on the page
            const sectionContainer = container.querySelector('[data-custom-section-id="popular-tv-networks"]');
            if (sectionContainer) {
                LOG('Popular TV Networks section already on the page, skipping...');
                return false;
            }

            let networks = await getPopularTVNetworks();
            
            if (networks.length === 0) {
                return false;
            }

            // Remove any networks without Thumb images
            networks = networks.filter(network => network.ImageTags?.Thumb);
            
            // Shuffle and take 16 random networks
            const shuffled = [...networks].sort(() => Math.random() - 0.5);
            const limitedNetworks = shuffled.slice(0, 16);
            
            if (limitedNetworks.length === 0) {
                return false;
            }
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping Popular TV Networks section");
                return false;
            }

            // Render the scrollable container with the network/studio items
            const scrollableContainer = window.cardBuilder.renderCards(
                limitedNetworks,
                'Popular TV Networks',
                null,
                true,
                'backdrop'
            );
            
            // Add data attribute to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', 'popular-tv-networks');
            scrollableContainer.setAttribute('data-custom-section-name', 'Popular TV Networks');
            scrollableContainer.style.order = 101;
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            return true;
            
        } catch (err) {
            ERR('Error rendering Popular TV Networks section:', err);
            return false;
        }
    }

    /**
     * Fetches full item objects from API using item IDs
     * @param {Array<string>} itemIds - Array of item IDs to fetch
     * @returns {Promise<Array>} Array of full item objects
     */
    async function fetchItemsByIds(itemIds) {
        try {
            if (!itemIds || itemIds.length === 0) return [];
            
            const userId = ApiClient.getCurrentUserId();
            const serverId = ApiClient.serverId();
            
            // Use the Items endpoint to fetch multiple items by IDs
            const idsParam = itemIds.join(',');
            const url = `${ApiClient.serverAddress()}/Items?Ids=${idsParam}&UserId=${userId}&EnableTotalRecordCount=false&EnableImageTypes=Primary,Backdrop,Thumb,Logo`;
            
            const response = await ApiClient.fetch({ url, method: 'GET' });
            const data = await response.json();
            
            return data.Items || [];
            
        } catch (err) {
            ERR('Error fetching items by IDs:', err);
            return [];
        }
    }

    /**
     * Generates a single group of discovery sections (6 sections total)
     * @returns {Promise<Array>} Array of section data objects
     */
    async function generateDiscoveryGroup() {
        try {
            LOG('Generating single discovery group...');
            
            // Run all async operations in parallel for maximum speed
            const preloadPromises = [
                // 1. [Genre] Movies
                (async () => {
                    const randomGenre = await getRandomGenre();
                    if (randomGenre) {
                        const genreData = await preloadGenreSection(randomGenre);
                        if (genreData) {
                            return {
                                type: 'genre',
                                data: randomGenre,
                                items: genreData.items,
                                viewMoreUrl: genreData.viewMoreUrl
                            };
                        }
                    }
                    return null;
                })(),
                
                // 2. Directed by [Director] (async - fetch actual items)
                (async () => {
                    if (moviesTopPeople && moviesTopPeople.directors.length > 0) {
                        const randomDirector = getRandomItem(moviesTopPeople.directors, renderedDirectors);
                        if (randomDirector && randomDirector.itemIds && randomDirector.itemIds.length > 0) {
                            // Validate that itemIds contain actual valid IDs (not undefined/null)
                            const validItemIds = randomDirector.itemIds.filter(id => id && typeof id === 'string' && id.trim() !== '');
                            if (validItemIds.length > 0) {
                                // Fetch actual items from API
                                const shuffledIds = shuffleArray(validItemIds).slice(0, 16);
                                const items = await fetchItemsByIds(shuffledIds);
                                
                                if (items && items.length > 0) {
                                    return {
                                        type: 'director',
                                        data: randomDirector,
                                        items: items,
                                        viewMoreUrl: `#/details?id=${randomDirector.id}&serverId=${ApiClient.serverId()}`
                                    };
                                }
                            }
                        }
                    }
                    return null;
                })(),
                
                // 3. Written by [Writer] (async - fetch actual items)
                (async () => {
                    if (moviesTopPeople && moviesTopPeople.writers.length > 0) {
                        const randomWriter = getRandomItem(moviesTopPeople.writers, renderedWriters);
                        if (randomWriter && randomWriter.itemIds && randomWriter.itemIds.length > 0) {
                            // Validate that itemIds contain actual valid IDs (not undefined/null)
                            const validItemIds = randomWriter.itemIds.filter(id => id && typeof id === 'string' && id.trim() !== '');
                            if (validItemIds.length > 0) {
                                // Fetch actual items from API
                                const shuffledIds = shuffleArray(validItemIds).slice(0, 16);
                                const items = await fetchItemsByIds(shuffledIds);
                                
                                if (items && items.length > 0) {
                                    return {
                                        type: 'writer',
                                        data: randomWriter,
                                        items: items,
                                        viewMoreUrl: `#/details?id=${randomWriter.id}&serverId=${ApiClient.serverId()}`
                                    };
                                }
                            }
                        }
                    }
                    return null;
                })(),
                
                // 4. Starring [Actor] (async - fetch actual items)
                (async () => {
                    if (moviesTopPeople && moviesTopPeople.actors.length > 0) {
                        const randomActor = getRandomItem(moviesTopPeople.actors, renderedActors);
                        if (randomActor && randomActor.itemIds && randomActor.itemIds.length > 0) {
                            // Validate that itemIds contain actual valid IDs (not undefined/null)
                            const validItemIds = randomActor.itemIds.filter(id => id && typeof id === 'string' && id.trim() !== '');
                            if (validItemIds.length > 0) {
                                // Fetch actual items from API
                                const shuffledIds = shuffleArray(validItemIds).slice(0, 16);
                                const items = await fetchItemsByIds(shuffledIds);
                                
                                if (items && items.length > 0) {
                                    return {
                                        type: 'actor',
                                        data: randomActor,
                                        items: items,
                                        viewMoreUrl: `#/details?id=${randomActor.id}&serverId=${ApiClient.serverId()}`
                                    };
                                }
                            }
                        }
                    }
                    return null;
                })(),
                
                // 5. Because you watched [Movie]
                (async () => {
                    const randomWatchedMovie = getRandomWatchedMovie();
                    if (randomWatchedMovie) {
                        const watchedData = await preloadBecauseYouWatchedSection(randomWatchedMovie);
                        if (watchedData) {
                            return {
                                type: 'watched',
                                data: randomWatchedMovie,
                                items: watchedData.items
                            };
                        }
                    }
                    return null;
                })(),
                
                // 6. Because you liked [Movie]
                (async () => {
                    const randomLikedMovie = await getRandomFavoriteMovie();
                    if (randomLikedMovie) {
                        const likedData = await preloadBecauseYouLikedSection(randomLikedMovie);
                        if (likedData) {
                            return {
                                type: 'liked',
                                data: randomLikedMovie,
                                items: likedData.items
                            };
                        }
                    }
                    return null;
                })(),
                
                // 7. Shows from [Studio Name]
                (async () => {
                    const networks = await getPopularTVNetworks();
                    if (networks && networks.length > 0) {
                        // Filter out already rendered studios
                        const availableNetworks = networks.filter(network => 
                            network.Id && !renderedStudios.has(network.Id)
                        );
                        
                        if (availableNetworks.length > 0) {
                            const randomNetwork = availableNetworks[Math.floor(Math.random() * availableNetworks.length)];
                            const items = await fetchItemsByStudio(randomNetwork.Id);
                            
                            if (items && items.length > 0) {
                                // Track rendered studio
                                renderedStudios.add(randomNetwork.Id);
                                
                                // Shuffle and limit
                                const shuffled = [...items].sort(() => Math.random() - 0.5);
                                const limitedItems = shuffled.slice(0, 16);
                                
                                return {
                                    type: 'studio',
                                    data: randomNetwork,
                                    items: limitedItems
                                };
                            }
                        }
                    }
                    return null;
                })(),
                
                // 8. Because you recently watched [Movie Name]
                (async () => {
                    const randomRecentMovie = getRandomRecentlyWatchedMovie();
                    if (randomRecentMovie) {
                        const watchedData = await preloadBecauseYouWatchedSection(randomRecentMovie);
                        if (watchedData) {
                            return {
                                type: 'watched-recent',
                                data: randomRecentMovie,
                                items: watchedData.items
                            };
                        }
                    }
                    return null;
                })(),
                
                // 9. Starring [Actor Name] since you recently watched [Movie Name]
                (async () => {
                    const recentMovie = getRandomRecentlyWatchedMovie(renderedStarringWatchedMovies);
                    if (!recentMovie) return null;
                    
                    // Fetch the movie with People field included
                    try {
                        const apiClient = window.ApiClient;
                        const serverUrl = apiClient.serverAddress();
                        const token = apiClient.accessToken();
                        const userId = apiClient.getCurrentUserId();
                        
                        const movieUrl = `${serverUrl}/Users/${userId}/Items/${recentMovie.Id}?Fields=People`;
                        const movieResponse = await fetch(movieUrl, {
                            headers: {
                                "Authorization": `MediaBrowser Token="${token}"`
                            }
                        });
                        
                        if (!movieResponse.ok) return null;
                        
                        const movieData = await movieResponse.json();
                        if (!movieData.People || !Array.isArray(movieData.People)) return null;
                        
                        // Get first 3 actors
                        const actors = movieData.People.filter(p => p.Type === 'Actor').slice(0, 3);
                        if (actors.length === 0) return null;
                        
                        // Pick random actor
                        const selectedActor = actors[Math.floor(Math.random() * actors.length)];
                        
                        // Fetch items for this actor
                        const items = await fetchItemsByPersonId(selectedActor.Id, 'Movie');
                        
                        // Remove the source movie and filter for items where person is Actor
                        const filteredItems = filterPeopleByType(items, selectedActor.Id, 'Actor')
                            .filter(item => item.Id !== recentMovie.Id);
                        
                        if (filteredItems.length > 0) {
                            // Limit to 16
                            const limitedItems = filteredItems.slice(0, 16);
                            
                            return {
                                type: 'actor-recent',
                                data: {
                                    person: selectedActor,
                                    movie: recentMovie
                                },
                                items: limitedItems,
                                viewMoreUrl: `#/details?id=${selectedActor.Id}&serverId=${ApiClient.serverId()}`
                            };
                        }
                    } catch (err) {
                        ERR('Error generating actor-recent section:', err);
                    }
                    
                    return null;
                })(),
                
                // 10. Directed by [Director Name] since you recently watched [Movie Name]
                (async () => {
                    const recentMovie = getRandomRecentlyWatchedMovie(renderedDirectedWatchedMovies);
                    if (!recentMovie) return null;
                    
                    // Fetch the movie with People field included
                    try {
                        const apiClient = window.ApiClient;
                        const serverUrl = apiClient.serverAddress();
                        const token = apiClient.accessToken();
                        const userId = apiClient.getCurrentUserId();
                        
                        const movieUrl = `${serverUrl}/Users/${userId}/Items/${recentMovie.Id}?Fields=People`;
                        const movieResponse = await fetch(movieUrl, {
                            headers: {
                                "Authorization": `MediaBrowser Token="${token}"`
                            }
                        });
                        
                        if (!movieResponse.ok) return null;
                        
                        const movieData = await movieResponse.json();
                        if (!movieData.People || !Array.isArray(movieData.People)) return null;
                        
                        // Get directors
                        const directors = movieData.People.filter(p => p.Type === 'Director');
                        if (directors.length === 0) return null;
                        
                        // Pick random director
                        const selectedDirector = directors[Math.floor(Math.random() * directors.length)];
                        
                        // Check if already rendered (use same set as regular directors)
                        if (renderedDirectors.has(selectedDirector.Name)) return null;
                        
                        // Fetch items for this director
                        const items = await fetchItemsByPersonId(selectedDirector.Id, 'Movie');
                        
                        // Remove the source movie and filter for items where person is Director
                        const filteredItems = filterPeopleByType(items, selectedDirector.Id, 'Director')
                            .filter(item => item.Id !== recentMovie.Id);
                        
                        if (filteredItems.length > 0) {
                            // Track rendered director
                            renderedDirectors.add(selectedDirector.Name);
                            
                            // Limit to 16
                            const limitedItems = filteredItems.slice(0, 16);
                            
                            return {
                                type: 'director-recent',
                                data: {
                                    person: selectedDirector,
                                    movie: recentMovie
                                },
                                items: limitedItems,
                                viewMoreUrl: `#/details?id=${selectedDirector.Id}&serverId=${ApiClient.serverId()}`
                            };
                        }
                    } catch (err) {
                        ERR('Error generating director-recent section:', err);
                    }
                    
                    return null;
                })(),
                
                // 11. Written by [Writer Name] since you recently watched [Movie Name]
                (async () => {
                    const recentMovie = getRandomRecentlyWatchedMovie(renderedWrittenWatchedMovies);
                    if (!recentMovie) return null;
                    
                    // Fetch the movie with People field included
                    try {
                        const apiClient = window.ApiClient;
                        const serverUrl = apiClient.serverAddress();
                        const token = apiClient.accessToken();
                        const userId = apiClient.getCurrentUserId();
                        
                        const movieUrl = `${serverUrl}/Users/${userId}/Items/${recentMovie.Id}?Fields=People`;
                        const movieResponse = await fetch(movieUrl, {
                            headers: {
                                "Authorization": `MediaBrowser Token="${token}"`
                            }
                        });
                        
                        if (!movieResponse.ok) return null;
                        
                        const movieData = await movieResponse.json();
                        if (!movieData.People || !Array.isArray(movieData.People)) return null;
                        
                        // Get writers
                        const writers = movieData.People.filter(p => p.Type === 'Writer');
                        if (writers.length === 0) return null;
                        
                        // Pick random writer
                        const selectedWriter = writers[Math.floor(Math.random() * writers.length)];
                        
                        // Check if already rendered (use same set as regular writers)
                        if (renderedWriters.has(selectedWriter.Name)) return null;
                        
                        // Fetch items for this writer
                        const items = await fetchItemsByPersonId(selectedWriter.Id, 'Movie');
                        
                        // Remove the source movie and filter for items where person is Writer
                        const filteredItems = filterPeopleByType(items, selectedWriter.Id, 'Writer')
                            .filter(item => item.Id !== recentMovie.Id);
                        
                        if (filteredItems.length > 0) {
                            // Track rendered writer
                            renderedWriters.add(selectedWriter.Name);
                            
                            // Limit to 16
                            const limitedItems = filteredItems.slice(0, 16);
                            
                            return {
                                type: 'writer-recent',
                                data: {
                                    person: selectedWriter,
                                    movie: recentMovie
                                },
                                items: limitedItems,
                                viewMoreUrl: `#/details?id=${selectedWriter.Id}&serverId=${ApiClient.serverId()}`
                            };
                        }
                    } catch (err) {
                        ERR('Error generating writer-recent section:', err);
                    }
                    
                    return null;
                })()
            ];
            
            // Wait for all parallel operations to complete
            const preloadResults = await Promise.all(preloadPromises);
            
            // Filter out null results and collect valid sections
            const sections = preloadResults.filter(section => section !== null);
            
            LOG(`Generated discovery group with ${sections.length} sections`);
            return sections;
            
        } catch (err) {
            ERR('Error generating discovery group:', err);
            return [];
        }
    }

    /**
     * Ensures the discovery buffer has 2 groups of discovery items
     * Simple approach: always maintain 2 groups in buffer
     */
    async function ensureDiscoveryBuffer() {
        const targetBufferSize = 2;
        
        if (discoveryBuffer.length >= targetBufferSize) {
            LOG(`Discovery buffer already has ${discoveryBuffer.length} groups (target: ${targetBufferSize})`);
            // Manage UI state based on buffer content
            manageDiscoveryUIState().catch(err => ERR('Error managing UI state:', err));
            return;
        }

        // Don't block recursive calls - only block if actively generating a group
        if (isLoadingDiscoveryGroup) {
            LOG('Discovery group already loading, waiting...');
            return;
        }

        isLoadingDiscoveryGroup = true;
        
        LOG(`Generating next discovery group (current: ${discoveryBuffer.length}/${targetBufferSize})`);
        
        try {
            // Generate one group at a time
            const newGroup = await generateDiscoveryGroup();
            
            // Add non-empty group to buffer
            if (newGroup && newGroup.length > 0) {
                discoveryBuffer.push(newGroup);
                LOG(`Added group to discovery buffer (total: ${discoveryBuffer.length})`);
                
                // Mark that additional content is available
                additionalDiscoveryContent = true;
                
                // Update UI state after adding first group (enables handlers earlier)
                manageDiscoveryUIState().catch(err => ERR('Error managing UI state:', err));
                
                // Recursively call to get more groups if needed
                if (discoveryBuffer.length < targetBufferSize) {
                    isLoadingDiscoveryGroup = false; // Allow recursive call
                    await ensureDiscoveryBuffer();
                }
            } else {
                // Couldn't generate any new group, mark that additional content is not available
                additionalDiscoveryContent = false;
                LOG('No additional discovery content available');
                manageDiscoveryUIState().catch(err => ERR('Error managing UI state:', err));
            }
        } catch (err) {
            ERR('Error ensuring discovery buffer:', err);
            additionalDiscoveryContent = false;
            manageDiscoveryUIState().catch(e => ERR('Error managing UI state:', e));
        } finally {
            isLoadingDiscoveryGroup = false;
        }
    }

    /**
     * Manages the UI state (handlers and button visibility) based on buffer content
     */
    async function manageDiscoveryUIState() {
        const homeSectionsContainer = document.querySelector('.homeSectionsContainer');
        
        if (discoveryBuffer.length > 0) {
            // Buffer has content - set up handlers
            if (homeSectionsContainer) {
                setupInfiniteLoading(homeSectionsContainer);
                
                // Pre-render first group to prepare for smooth reveal
                if (hiddenDiscoverySections.length === 0) {
                    const firstGroup = discoveryBuffer[0];
                    if (firstGroup) {
                        LOG('Pre-rendering first discovery group for smooth reveal');
                        preRenderDiscoveryGroup(discoveryBuffer.shift()).then(preRendered => {
                            hiddenDiscoverySections.push(...preRendered);
                            LOG(`Pre-rendered first group: ${preRendered.length} sections ready`);
                        }).catch(err => {
                            ERR('Error pre-rendering first group:', err);
                        });
                    }
                }
            }
            LOG(`UI state updated: handlers enabled (buffer has ${discoveryBuffer.length} groups)`);
        } else {
            // Buffer empty - remove handlers and hide button
            removeScrollBasedLoading();
            const loadMoreButton = document.querySelector('.libraryPage:not(.hide) .load-more-discovery-btn');
            if (loadMoreButton) {
                loadMoreButton.style.display = 'none';
            }
            LOG('UI state updated: handlers removed, button hidden (buffer empty)');
        }
    }

    /**
     * Preloads the next batch of discovery sections in the background
     * Uses the new buffer-based system for better performance
     */
    async function preloadNextSections() {
        if (isPreloadingSections) {
            LOG('Preloading already in progress, skipping...');
            return;
        }
        
        isPreloadingSections = true;
        
        try {
            LOG('Preloading discovery sections using buffer system...');
            
            // Ensure buffer has 2 groups (simple constant buffer)
            await ensureDiscoveryBuffer();
            
            LOG(`Discovery buffer populated with ${discoveryBuffer.length} groups`);
            
        } catch (err) {
            ERR('Error preloading discovery sections:', err);
        } finally {
            isPreloadingSections = false;
        }
    }

    /**
     * Renders the next group of discovery sections from the buffer
     * This is the unified function used by both infinite scroll and load more button
     * Uses pre-rendered sections with smooth sequential animation
     * @param {HTMLElement} container - Container to render sections into
     * @param {HTMLElement} loadMoreButton - Optional load more button to update state
     * @returns {Promise<boolean>} - Success status
     */
    async function renderNextDiscoveryGroup(container, loadMoreButton = null) {
        if (isRenderingDiscoveryGroup) {
            LOG('Discovery group rendering already in progress, skipping...');
            return false;
        }
        
        try {
            LOG('Rendering next discovery group from buffer');

            const loadMoreButton = container.querySelector('.load-more-discovery-btn');

            if (loadMoreButton) {
                loadMoreButton.remove();
            }
            
            // Show loading indicator
            showDiscoveryLoadingIndicator();

            isRenderingDiscoveryGroup = true;
            
            LOG(`Rendering group from buffer (${discoveryBuffer.length} groups available)`);

            setTimeout(async () => {
                async function renderDiscoveryGroup() {            
                    // Check if we have pre-rendered sections ready to reveal
                    if (hiddenDiscoverySections.length > 0) {
                        LOG(`Revealing ${hiddenDiscoverySections.length} pre-rendered sections with animation`);
                        const sectionsToReveal = hiddenDiscoverySections.splice(0); // Take all sections
                        
                        // Reveal sections with smooth animation
                        const revealedCount = await revealSectionsSequentially(container, sectionsToReveal);
                        
                        if (revealedCount > 0) {
                            LOG(`Successfully revealed ${revealedCount} pre-rendered sections`);
                            
                            // Pre-render next group from buffer in background
                            if (discoveryBuffer.length > 0) {
                                const nextGroup = discoveryBuffer.shift();
                                if (nextGroup) {
                                    const preRendered = await preRenderDiscoveryGroup(nextGroup);
                                    hiddenDiscoverySections.push(...preRendered);
                                }
                            }
                            
                            // Trigger background refill of buffer to update UI state
                            ensureDiscoveryBuffer().catch(err => {
                                ERR('Error refilling discovery buffer:', err);
                            });
                    
                            // Hide loading indicator
                            hideDiscoveryLoadingIndicator();
                            
                            return revealedCount > 0;
                        }
                    }
                    
                    // Fallback: if no pre-rendered sections, render directly from buffer (legacy behavior)
                    const groupToRender = discoveryBuffer.shift();
                    if (groupToRender && groupToRender.length > 0) {
                        // Remove loading indicator from DOM before rendering sections to prevent scroll jump
                        const loadingIndicator = document.getElementById('discovery-loading-indicator');
                        let loadingIndicatorClone = null;
                        if (loadingIndicator && loadingIndicator.parentNode) {
                            loadingIndicatorClone = loadingIndicator.cloneNode(true);
                            loadingIndicator.remove();
                            LOG('Removed loading indicator from DOM before rendering sections (fallback path)');
                        }
                        
                        let renderedCount = 0;
                        
                        for (const sectionData of groupToRender) {
                            try {
                                const success = await renderDiscoverySection(sectionData, container);
                                if (success) {
                                    renderedCount++;
                                }
                            } catch (err) {
                                ERR(`Error rendering section ${sectionData.type}:`, err);
                            }
                        }
                        
                        LOG(`Rendered ${renderedCount}/${groupToRender.length} sections directly from buffer`);
                        
                        // Re-add loading indicator at the end of the container
                        if (loadingIndicatorClone) {
                            container.appendChild(loadingIndicatorClone);
                            LOG('Re-added loading indicator at the end of sections (fallback path)');
                        }
                        
                        // Trigger background refill of buffer to update UI state
                        ensureDiscoveryBuffer().catch(err => {
                            ERR('Error refilling discovery buffer:', err);
                        });
                    
                        // Hide loading indicator
                        hideDiscoveryLoadingIndicator();
                        
                        return renderedCount > 0;
                    }

                    return false;
                }

                await renderDiscoveryGroup();

                if (!enableInfiniteScroll) {
                    setupLoadMoreButton(container);
                }
                
                // Scroll down a tiny bit with a smooth animation to start revealing the sections
                window.scrollBy({
                    top: 100,
                    behavior: 'smooth'
                });
                isRenderingDiscoveryGroup = false;
            }, 100);

            return false;
            
        } catch (err) {
            ERR('Error rendering next discovery group:', err);
            return false;
        } finally {
            isRenderingDiscoveryGroup = false;
        }
    }

    /**
     * Handles the "Discover More" button click using the buffer system
     * @param {HTMLElement} loadMoreButton - The button element
     */
    async function handleDiscoverMoreClick(loadMoreButton) {
        try {
            LOG('Discover More button clicked');
            
            const homeSectionsContainer = document.querySelector('.homeSectionsContainer');
            if (homeSectionsContainer) {
                await renderNextDiscoveryGroup(homeSectionsContainer, loadMoreButton);
            } else {
                ERR('Home sections container not found');
            }
            
        } catch (err) {
            ERR('Error handling Discover More click:', err);
        }
    }

    /**
     * Pre-renders a discovery group as DOM fragments (not yet in DOM)
     * @param {Array} group - Array of section data from buffer
     * @returns {Promise<Array>} - Array of DOM elements for each section
     */
    async function preRenderDiscoveryGroup(group) {
        if (!group || group.length === 0) return [];
        
        LOG(`Pre-rendering discovery group with ${group.length} sections`);
        
        const preRenderedSections = [];
        
        for (const sectionData of group) {
            try {
                const sectionElement = await buildDiscoverySectionElement(sectionData);
                if (sectionElement) {
                    preRenderedSections.push(sectionElement);
                }
            } catch (err) {
                ERR(`Error pre-rendering section ${sectionData.type}:`, err);
            }
        }
        
        LOG(`Pre-rendered ${preRenderedSections.length}/${group.length} sections`);
        return preRenderedSections;
    }

    /**
     * Builds a single discovery section DOM element without appending to DOM
     * @param {Object} sectionData - Section data object
     * @returns {Promise<HTMLElement>} - Section DOM element
     */
    async function buildDiscoverySectionElement(sectionData) {
        // Use a temporary container that we'll remove from DOM after extracting elements
        const tempContainer = document.createElement('div');
        tempContainer.style.display = 'none'; // Hide container
        
        // Build the section using existing renderDiscoverySection logic
        const success = await renderDiscoverySection(sectionData, tempContainer);
        
        if (!success || tempContainer.children.length === 0) {
            return null;
        }
        
        // Extract the first child (the section element)
        const sectionElement = tempContainer.firstElementChild;
        
        // Remove from temp container
        tempContainer.removeChild(sectionElement);
        
        return sectionElement;
    }

    /**
     * Reveals pre-rendered sections with scroll-triggered viewport animation
     * @param {HTMLElement} container - Container to append sections to
     * @param {Array} sections - Array of DOM elements to reveal
     * @returns {Promise<number>} - Number of sections revealed
     */
    async function revealSectionsSequentially(container, sections) {
        if (!sections || sections.length === 0) return 0;
        
        LOG(`Revealing ${sections.length} pre-rendered sections with scroll-triggered animation`);
        
        // Remove loading indicator from DOM before revealing sections to prevent scroll jump
        // We'll re-add it at the end after sections are revealed
        const loadingIndicator = document.getElementById('discovery-loading-indicator');
        let loadingIndicatorClone = null;
        if (loadingIndicator && loadingIndicator.parentNode) {
            loadingIndicatorClone = loadingIndicator.cloneNode(true);
            loadingIndicator.remove();
            LOG('Removed loading indicator from DOM before revealing sections');
        }
        
        // Add all sections to DOM with initial animation class (hidden)
        sections.forEach(section => {
            section.style.display = 'none';
            section.classList.add('discovery-section-reveal');
            container.appendChild(section);
        });
        
        // Create intersection observer for scroll-triggered animations
        const observerOptions = {
            threshold: 0.1, // Trigger when 10% of section is visible
            rootMargin: '0px 0px -50px 0px' // Trigger slightly before fully in view
        };
        
        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    // Add in-viewport class to trigger animation
                    entry.target.classList.add('in-viewport');
                    // Unobserve after animation is triggered
                    observer.unobserve(entry.target);
                }
            });
        }, observerOptions);
        
        // Remove display: none and observe sections
        sections.forEach(section => {
            section.style.display = '';            
            // Observe section for viewport entry
            observer.observe(section);
        });
        
        // Re-add loading indicator at the end of the container (now it's at the end in DOM order too)
        if (loadingIndicatorClone) {
            container.appendChild(loadingIndicatorClone);
            LOG('Re-added loading indicator at the end of sections');
        }
        
        LOG(`Revealed ${sections.length} sections with scroll-triggered animation`);
        return sections.length;
    }

    /**
     * Preloads genre section data
     * @param {Object} genre - Genre object
     * @returns {Promise<Object|null>} - Genre data with items and viewMoreUrl
     */
    async function preloadGenreSection(genre) {
        try {
            const apiClient = window.ApiClient;
            const serverUrl = apiClient.serverAddress();
            const token = apiClient.accessToken();
            const userId = apiClient.getCurrentUserId();
            const serverId = apiClient.serverId();
            
            const url = `${serverUrl}/Items?userId=${userId}&Genres=${encodeURIComponent(genre.Name)}&IncludeItemTypes=Movie&Recursive=true&SortBy=Random&Limit=16`;
            
            const response = await fetch(url, {
                headers: {
                    "Authorization": `MediaBrowser Token="${token}"`
                }
            });
            
            if (!response.ok) {
                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
            }
            
            const data = await response.json();
            const items = data.Items || [];
            
            if (items.length === 0) return null;
            
            const viewMoreUrl = `/web/#/list.html?genreId=${genre.Id}&serverId=${serverId}`;
            
            return {
                items: items,
                viewMoreUrl: viewMoreUrl,
                hasFullItems: true
            };
            
        } catch (err) {
            ERR(`Error preloading genre section for ${genre.Name}:`, err);
            return null;
        }
    }

    /**
     * Preloads "because you watched" section data
     * @param {Object} movie - Movie object
     * @returns {Promise<Object|null>} - Similar content data
     */
    async function preloadBecauseYouWatchedSection(movie) {
        try {
            const items = await fetchSimilarContent(movie.Id, 'Movie');
            if (items.length === 0) return null;
            
            return {
                items: items.slice(0, 16),
                hasFullItems: true
            };
            
        } catch (err) {
            ERR(`Error preloading because you watched section for ${movie.Name}:`, err);
            return null;
        }
    }

    /**
     * Preloads "because you liked" section data
     * @param {Object} movie - Movie object
     * @returns {Promise<Object|null>} - Similar content data
     */
    async function preloadBecauseYouLikedSection(movie) {
        try {
            const items = await fetchSimilarContent(movie.Id, 'Movie');
            if (items.length === 0) return null;
            
            return {
                items: items.slice(0, 16),
                hasFullItems: true
            };
            
        } catch (err) {
            ERR(`Error preloading because you liked section for ${movie.Name}:`, err);
            return null;
        }
    }

    /**
     * Renders a discovery section (unified function for both preloaded and dynamic sections)
     * @param {Object|string} sectionData - Preloaded section data object OR section type string
     * @param {HTMLElement} container - Container to append section to
     * @returns {Promise<boolean>} - Success status
     */
    async function renderDiscoverySection(sectionData, container) {
        try {
            let sectionName = '';
            let items = [];
            let viewMoreUrl = null;
            let sectionId = '';
            let order = 200 + renderedSections.size;
            
            // Handle preloaded section data
            if (typeof sectionData === 'object' && sectionData.type) {
                if (!sectionData.items || sectionData.items.length === 0) return false;
                
                items = sectionData.items;
                viewMoreUrl = sectionData.viewMoreUrl || null;
                
                switch (sectionData.type) {
                    case 'genre':
                        sectionName = `${sectionData.data.Name} Movies`;
                        sectionId = `genre-${sectionData.data.Name.toLowerCase()}`;
                        break;
                    case 'director':
                        sectionName = `Directed by ${sectionData.data.name}`;
                        sectionId = `director-${sectionData.data.name.toLowerCase().replace(/\s+/g, '-')}`;
                        break;
                    case 'writer':
                        sectionName = `Written by ${sectionData.data.name}`;
                        sectionId = `writer-${sectionData.data.name.toLowerCase().replace(/\s+/g, '-')}`;
                        break;
                    case 'actor':
                        sectionName = `Starring ${sectionData.data.name}`;
                        sectionId = `actor-${sectionData.data.name.toLowerCase().replace(/\s+/g, '-')}`;
                        break;
                    case 'watched':
                        sectionName = `Because you watched ${sectionData.data.Name} ${sectionData.data.ProductionYear ? `(${sectionData.data.ProductionYear})` : ''}`;
                        sectionId = `watched-${sectionData.data.Id}`;
                        break;
                    case 'liked':
                        sectionName = `Because you liked ${sectionData.data.Name} ${sectionData.data.ProductionYear ? `(${sectionData.data.ProductionYear})` : ''}`;
                        sectionId = `liked-${sectionData.data.Id}`;
                        break;
                    case 'studio':
                        sectionName = `Shows from ${sectionData.data.Name}`;
                        sectionId = `studio-${sectionData.data.Id}`;
                        break;
                    case 'watched-recent':
                        sectionName = `Because you recently watched ${sectionData.data.Name} ${sectionData.data.ProductionYear ? `(${sectionData.data.ProductionYear})` : ''}`;
                        sectionId = `watched-recent-${sectionData.data.Id}`;
                        break;
                    case 'actor-recent':
                        sectionName = `Starring ${sectionData.data.person.Name} since you recently watched ${sectionData.data.movie.Name} ${sectionData.data.movie.ProductionYear ? `(${sectionData.data.movie.ProductionYear})` : ''}`;
                        sectionId = `actor-recent-${sectionData.data.person.Id}-${sectionData.data.movie.Id}`;
                        break;
                    case 'director-recent':
                        sectionName = `Directed by ${sectionData.data.person.Name} since you recently watched ${sectionData.data.movie.Name} ${sectionData.data.movie.ProductionYear ? `(${sectionData.data.movie.ProductionYear})` : ''}`;
                        sectionId = `director-recent-${sectionData.data.person.Id}-${sectionData.data.movie.Id}`;
                        break;
                    case 'writer-recent':
                        sectionName = `Written by ${sectionData.data.person.Name} since you recently watched ${sectionData.data.movie.Name} ${sectionData.data.movie.ProductionYear ? `(${sectionData.data.movie.ProductionYear})` : ''}`;
                        sectionId = `writer-recent-${sectionData.data.person.Id}-${sectionData.data.movie.Id}`;
                        break;
                    default:
                        return false;
                }
            }        
            
            if (items.length === 0) {
                return false;
            }
            
            // Limit to 16 items
            const limitedItems = items.slice(0, 16);
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined') {
                WARN("cardBuilder not available, skipping discovery section");
                return false;
            }
            
            // Determine if we have full items or just IDs
            const hasFullItems = limitedItems.length > 0 && limitedItems[0] && typeof limitedItems[0] === 'object' && limitedItems[0].Id;
            
            let scrollableContainer;
            if (hasFullItems) {
                // Use renderCards for full item objects
                if (!window.cardBuilder.renderCards) {
                    WARN("cardBuilder.renderCards not available, skipping discovery section");
                    return false;
                }
                scrollableContainer = window.cardBuilder.renderCards(limitedItems, sectionName, viewMoreUrl, true);
            } else {
                // Use renderCardsFromIds for ID arrays
                if (!window.cardBuilder.renderCardsFromIds) {
                    WARN("cardBuilder.renderCardsFromIds not available, skipping discovery section");
                    return false;
                }
                scrollableContainer = await window.cardBuilder.renderCardsFromIds(limitedItems, sectionName, viewMoreUrl, true);
            }
            
            // Add data attributes to track rendered sections
            scrollableContainer.setAttribute('data-custom-section-id', sectionId);
            scrollableContainer.setAttribute('data-custom-section-name', sectionName);
            scrollableContainer.style.order = order;
            
            // Append to container
            container.appendChild(scrollableContainer);
            
            // Track rendered section for preloaded sections
            if (typeof sectionData === 'object') {
                renderedSections.add(sectionId);
            }
            
            return true;
            
        } catch (err) {
            ERR(`Error rendering discovery section:`, err);
            return false;
        }
    }


    /**
     * Sets up infinite loading for discovery sections
     * @param {HTMLElement} container - Container to watch for scroll
     */
    function setupInfiniteLoading(container) {
        const homePage = document.querySelector('.homePage:not(.hide)');

        if (!homePage || homePage.dataset.discoveryReady === 'true') {
            return;
        }

        homePage.dataset.discoveryReady = 'true';

        if (enableInfiniteScroll) {
            homePage.dataset.infiniteScroll = 'true';
            setupScrollBasedLoading(container);
        } else {
            setupLoadMoreButton(container);
        }
    }

    /**
     * Removes scroll-based infinite loading handler
     */
    function removeScrollBasedLoading() {
        // Fade out message for "loading more"
        const loadingIndicator = document.querySelector('#discovery-loading-indicator');

        if (discoveryScrollHandler) {
            window.removeEventListener('scroll', discoveryScrollHandler);
            discoveryScrollHandler = null;
            LOG('Scroll-based infinite loading for discovery sections removed');
        }
        if (discoveryWheelHandler) {
            window.removeEventListener('wheel', discoveryWheelHandler);
            discoveryWheelHandler = null;
            LOG('Wheel-based trigger for discovery sections removed');
        }
        if (discoveryTouchStartHandler) {
            window.removeEventListener('touchstart', discoveryTouchStartHandler);
            discoveryTouchStartHandler = null;
        }
        if (discoveryTouchMoveHandler) {
            window.removeEventListener('touchmove', discoveryTouchMoveHandler);
            discoveryTouchMoveHandler = null;
            LOG('Touch-based trigger for discovery sections removed');
        }
    }

    /**
     * Sets up scroll-based infinite loading
     * @param {HTMLElement} container - Container to watch for scroll
     */
    function setupScrollBasedLoading(container) {        
        // Remove existing handler if present (make idempotent)
        removeScrollBasedLoading();
        
        let lastScrollTop = 0;
        let scrollTimeout = null;
        let lastTouchY = null;
        
        const handleScroll = () => {
            // Ensure we're on the home page before proceeding
            const currentView = window.KefinTweaksUtils?.getCurrentView();
            const isHomePage = currentView === 'home' || currentView === 'home.html';
            
            // Only enable scroll-based loading on the home page
            if (!isHomePage) {
                return;
            }

            // Only enable scroll-based loading on the home page first tab
            const activeTab = document.querySelector('.headerTabs .emby-tab-button-active').getAttribute('data-index');
            if (activeTab !== '0') {
                return;
            }

            if (isRenderingDiscoveryGroup) return;

            const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
            lastScrollTop = scrollTop;
        };
        
        // Store handler reference and add scroll listener
        discoveryScrollHandler = handleScroll;
        window.addEventListener('scroll', handleScroll, { passive: true });

        // Also trigger when user attempts to scroll down while already at the bottom
        const handleWheel = (event) => {
            // Ensure we're on the home page before proceeding
            const currentView = window.KefinTweaksUtils?.getCurrentView();
            const isHomePage = currentView === 'home' || currentView === 'home.html';
            if (!isHomePage) return;

            // Only on first tab
            const activeTab = document.querySelector('.headerTabs .emby-tab-button-active').getAttribute('data-index');
            if (activeTab !== '0') return;

            if (isRenderingDiscoveryGroup) return;

            // Only react to downward scroll attempts
            if (event.deltaY <= 0) return; 

            const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
            const windowHeight = window.innerHeight;
            const documentHeight = document.documentElement.scrollHeight;

            const atBottom = scrollTop + windowHeight >= documentHeight - 2;
            if (!atBottom) return;

            if (scrollTimeout) {
                clearTimeout(scrollTimeout);
            }
            scrollTimeout = setTimeout(async () => {
                LOG('User attempted to scroll past bottom; loading next discovery group...');
                const homeScreenSectionsContainer = document.querySelector('.libraryPage:not(.hide) .homeSectionsContainer');
                await renderNextDiscoveryGroup(homeScreenSectionsContainer);
            }, 200);
        };

        discoveryWheelHandler = handleWheel;
        window.addEventListener('wheel', handleWheel, { passive: true });

        // Touch support: trigger when user swipes up (scroll down) while already at bottom
        const handleTouchStart = (event) => {
            const touch = event.touches && event.touches[0];
            lastTouchY = touch ? touch.clientY : null;
        };

        const handleTouchMove = (event) => {
            // Ensure we're on the home page before proceeding
            const currentView = window.KefinTweaksUtils?.getCurrentView();
            const isHomePage = currentView === 'home' || currentView === 'home.html';
            if (!isHomePage) return;

            // Only on first tab
            const activeTab = document.querySelector('.headerTabs .emby-tab-button-active').getAttribute('data-index');
            if (activeTab !== '0') return;

            if (isRenderingDiscoveryGroup) return;

            const touch = event.touches && event.touches[0];
            if (!touch) return;

            if (lastTouchY == null) {
                lastTouchY = touch.clientY;
                return;
            }

            const deltaY = touch.clientY - lastTouchY; // negative when swiping up (scrolling down)
            lastTouchY = touch.clientY;

            // Only react to upward swipe which scrolls content down
            if (deltaY >= 0) return;

            const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
            const windowHeight = window.innerHeight;
            const documentHeight = document.documentElement.scrollHeight;

            const atBottom = scrollTop + windowHeight >= documentHeight - 2;
            if (!atBottom) return;

            if (scrollTimeout) {
                clearTimeout(scrollTimeout);
            }
            scrollTimeout = setTimeout(async () => {
                LOG('User swiped up at bottom; loading next discovery group...');
                await renderNextDiscoveryGroup(container);
            }, 200);
        };

        discoveryTouchStartHandler = handleTouchStart;
        discoveryTouchMoveHandler = handleTouchMove;
        window.addEventListener('touchstart', handleTouchStart, { passive: true });
        window.addEventListener('touchmove', handleTouchMove, { passive: true });
        
        LOG('Scroll-based infinite loading for discovery sections enabled');
    }

    /**
     * Sets up load more button for discovery sections
     * @param {HTMLElement} container - Container to append button to
     */
    function setupLoadMoreButton(container) {
        let loadMoreButton = document.querySelector('.libraryPage:not(.hide) .load-more-discovery-btn');
        
        if (!loadMoreButton) {
            // Create load more button
            loadMoreButton = document.createElement('button');
            loadMoreButton.textContent = 'Discover More';
            loadMoreButton.className = 'load-more-discovery-btn raised button-submit emby-button';
            loadMoreButton.style.cssText = `
                order: 9998 !important;
                display: block;
                width: 100%;
                max-width: 400px;
                margin: 20px auto;
                padding: 12px 24px;
                background: #673AB7;
                color: white;
                border: none;
                border-radius: 6px;
                font-size: 16px;
                font-weight: 600;
                cursor: pointer;
                transition: all 0.2s ease;
            `;
            
            // Add hover effects
            loadMoreButton.addEventListener('mouseenter', () => {
                loadMoreButton.style.transform = 'translateY(-2px)';
                loadMoreButton.style.boxShadow = '0 4px 12px rgba(0, 164, 220, 0.4)';
            });
            
            loadMoreButton.addEventListener('mouseleave', () => {
                loadMoreButton.style.transform = 'translateY(0)';
                loadMoreButton.style.boxShadow = '0 2px 8px rgba(0, 164, 220, 0.3)';
            });
            
            // Add click handler using new buffer system
            loadMoreButton.addEventListener('click', async () => {
                await handleDiscoverMoreClick(loadMoreButton);
            });
            
            // Append button to container
            container.appendChild(loadMoreButton);
            
            LOG('Load more button for discovery sections created');
        }
        
        // Update visibility based on buffer state
        updateLoadMoreButtonVisibility();
    }

    /**
     * Updates the visibility of the load more button based on buffer state
     */
    function updateLoadMoreButtonVisibility() {
        const loadMoreButton = document.querySelector('.libraryPage:not(.hide) .load-more-discovery-btn');
        if (!loadMoreButton) return;
        
        if (discoveryBuffer.length > 0 || additionalDiscoveryContent) {
            loadMoreButton.textContent = 'Discover More';
            loadMoreButton.style.display = 'block';
            loadMoreButton.disabled = false;
            LOG('Load more button shown');
        } else {
            loadMoreButton.style.display = 'none';
            LOG('Load more button hidden');
        }
    }

    /**
     * Gets a random genre that hasn't been rendered yet
     * @returns {Promise<Object|null>} - Random genre or null
     */
    async function getRandomGenre() {
        const cache = new window.LocalStorageCache();
        let movieGenres = cache.get('movieGenres');
        
        if (!movieGenres || movieGenres.length === 0) {
            movieGenres = await fetchAndCacheMovieGenres();
        }
        
        if (movieGenres.length === 0) return null;
        
        // Filter out already rendered genres and genres with insufficient movie count
        const availableGenres = movieGenres.filter(genre => 
            !renderedSections.has(`genre-${genre.Name.toLowerCase()}`) &&
            (genre.MovieCount || 0) >= minGenreMovieCount
        );
        
        if (availableGenres.length === 0) return null;
        
        const randomGenre = getRandomItem(availableGenres);
        if (randomGenre) {
            renderedSections.add(`genre-${randomGenre.Name.toLowerCase()}`);
        }
        
        return randomGenre;
    }

    /**
     * Renders Halloween Movies section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderHalloweenMoviesSection(container) {
        try {
            if (halloweenMovies.length === 0) return false;
            
            const shuffled = [...halloweenMovies].sort(() => Math.random() - 0.5);
            const limitedItems = shuffled.slice(0, SEASONAL_ITEM_LIMIT);
            
            if (limitedItems.length === 0) return false;
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping Halloween Movies section");
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = window.cardBuilder.renderCards(
                limitedItems,
                'Halloween Movies',
                null,
                true
            );
            
            scrollableContainer.setAttribute('data-custom-section-id', 'halloween-movies');
            scrollableContainer.setAttribute('data-custom-section-name', 'Halloween Movies');
            scrollableContainer.style.order = 50;
            
            container.appendChild(scrollableContainer);
            return true;
            
        } catch (err) {
            ERR('Error rendering Halloween Movies section:', err);
            return false;
        }
    }

    /**
     * Renders Horror Movies section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderHorrorMoviesSection(container) {
        try {
            if (horrorMovies.length === 0) return false;
            
            const shuffled = [...horrorMovies].sort(() => Math.random() - 0.5);
            const limitedItems = shuffled.slice(0, SEASONAL_ITEM_LIMIT);
            
            if (limitedItems.length === 0) return false;
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping Horror Movies section");
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = window.cardBuilder.renderCards(
                limitedItems,
                'Horror Movies',
                halloweenViewMoreUrls.horror,
                true
            );
            
            scrollableContainer.setAttribute('data-custom-section-id', 'horror-movies');
            scrollableContainer.setAttribute('data-custom-section-name', 'Horror Movies');
            scrollableContainer.style.order = 51;
            
            container.appendChild(scrollableContainer);
            return true;
            
        } catch (err) {
            ERR('Error rendering Horror Movies section:', err);
            return false;
        }
    }

    /**
     * Renders Thriller Movies section
     * @param {HTMLElement} container - Container to append the section to
     * @returns {boolean} - Success status
     */
    function renderThrillerMoviesSection(container) {
        try {
            if (thrillerMovies.length === 0) return false;
            
            const shuffled = [...thrillerMovies].sort(() => Math.random() - 0.5);
            const limitedItems = shuffled.slice(0, SEASONAL_ITEM_LIMIT);
            
            if (limitedItems.length === 0) return false;
            
            // Check if cardBuilder is available
            if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.renderCards) {
                WARN("cardBuilder not available, skipping Thriller Movies section");
                return false;
            }
            
            // Render the scrollable container
            const scrollableContainer = window.cardBuilder.renderCards(
                limitedItems,
                'Thriller Movies',
                halloweenViewMoreUrls.thriller,
                true
            );
            
            scrollableContainer.setAttribute('data-custom-section-id', 'thriller-movies');
            scrollableContainer.setAttribute('data-custom-section-name', 'Thriller Movies');
            scrollableContainer.style.order = 52;
            
            container.appendChild(scrollableContainer);
            return true;
            
        } catch (err) {
            ERR('Error rendering Thriller Movies section:', err);
            return false;
        }
    }


    /**
     * Renders all Halloween sections
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllHalloweenSections(container) {
        if (!isHalloweenPeriod()) {
            LOG('Not in Halloween period, skipping Halloween sections');
            return;
        }
        
        try {
            // Fetch Halloween data if not already loaded
            if (halloweenMovies.length === 0) {
                LOG('Fetching Halloween movie data...');
                const movieData = await fetchHalloweenMovieData();
                halloweenMovies = movieData.halloweenMovies;
                horrorMovies = movieData.horrorMovies;
                thrillerMovies = movieData.thrillerMovies;
                halloweenViewMoreUrls = movieData.viewMoreUrls;                
            }

            let sectionsToRender = [];

            if (halloweenMovies.length > 0) {
                if (!container.querySelector('[data-custom-section-id="halloween-movies"]')) {
                    sectionsToRender.push(renderHalloweenMoviesSection(container));
                }
                if (!container.querySelector('[data-custom-section-id="horror-movies"]')) {
                    sectionsToRender.push(renderHorrorMoviesSection(container));
                }
                if (!container.querySelector('[data-custom-section-id="thriller-movies"]')) {
                    sectionsToRender.push(renderThrillerMoviesSection(container));
                }
            }

            if (sectionsToRender.length === 0) {
                LOG('No Halloween sections to render, skipping...');
                return;
            }
            
            const results = await Promise.all(sectionsToRender);
            
            const successCount = results.filter(Boolean).length;
            LOG(`Rendered ${successCount}/${results.length} Halloween sections`);
            return successCount === results.length;
            
        } catch (err) {
            ERR('Error rendering Halloween sections:', err);
        }
    }

    /**
     * Renders all Christmas sections (stub for future implementation)
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllChristmasSections(container) {
        if (!isChristmasPeriod()) {
            LOG('Not in Christmas period, skipping Christmas sections');
            return;
        }
        
        // TODO: Implement Christmas sections
        LOG('Christmas sections not yet implemented');
    }

    /**
     * Renders all New Years sections (stub for future implementation)
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllNewYearsSections(container) {
        if (!isNewYearsPeriod()) {
            LOG('Not in New Years period, skipping New Years sections');
            return;
        }
        
        // TODO: Implement New Years sections
        LOG('New Years sections not yet implemented');
    }

    /**
     * Renders all Valentine's Day sections (stub for future implementation)
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllValentinesSections(container) {
        if (!isValentinesPeriod()) {
            LOG('Not in Valentine\'s Day period, skipping Valentine\'s Day sections');
            return;
        }
        
        // TODO: Implement Valentine's Day sections
        LOG('Valentine\'s Day sections not yet implemented');
    }

    /**
     * Renders all seasonal sections based on current date
     * @param {HTMLElement} container - Container to append sections to
     */
    async function renderAllSeasonalSections(container) {
        const sectionsToRender = [];
        
        // Add Halloween sections if in Halloween period
        if (isHalloweenPeriod()) {
            sectionsToRender.push(renderAllHalloweenSections(container));
        }
        
        // Add Christmas sections if in Christmas period
        if (isChristmasPeriod()) {
            sectionsToRender.push(renderAllChristmasSections(container));
        }
        
        // Add New Years sections if in New Years period
        if (isNewYearsPeriod()) {
            sectionsToRender.push(renderAllNewYearsSections(container));
        }
        
        // Add Valentine's Day sections if in Valentine's Day period
        if (isValentinesPeriod()) {
            sectionsToRender.push(renderAllValentinesSections(container));
        }
        
        if (sectionsToRender.length === 0) {
            LOG('No seasonal periods active, skipping seasonal sections');
            return;
        }
        
        const results = await Promise.all(sectionsToRender);
        const successCount = results.filter(Boolean).length;
        LOG(`Rendered ${successCount}/${sectionsToRender.length} seasonal section groups`);
    }

    /************ Home Screen Observer ************/

    /**
     * Checks if custom sections are already rendered and renders them if not
     */
    async function checkAndRenderCustomSections() {
        // Check if already processing to prevent parallel execution
        if (isProcessing) {
            return;
        }
        
        // Try to find the home sections container with retry logic
        // Retry every 100ms for up to 3 seconds
        let homeSectionsContainer = null;
        const maxRetries = 100;
        let retries = 0;
        
        while (!homeSectionsContainer && retries < maxRetries) {
            homeSectionsContainer = document.querySelector('.libraryPage:not(.hide) .homeSectionsContainer');
            
            if (!homeSectionsContainer) {
                retries++;
                await new Promise(resolve => setTimeout(resolve, 100));
            }
        }
        
        if (!homeSectionsContainer) {
            LOG('Home sections container not found after 3 seconds');
            return;
        }
        
        // Check if sections are already rendered
        const hasRenderedCustomSections = customHomeSections.some(section => 
            homeSectionsContainer.querySelector(`[data-custom-section-id="${section.id}"]`)
        );
        
        const hasRenderedNewAndTrendingSections = (enableNewMovies && homeSectionsContainer.querySelector('[data-custom-section-id="new-movies"]')) ||
            (enableNewEpisodes && homeSectionsContainer.querySelector('[data-custom-section-id="new-episodes"]')) ||
            (enableTrending && homeSectionsContainer.querySelector('[data-custom-section-id="trending-movies"]'));
        
        const hasRenderedDiscoverySections = (enableWatchlist && homeSectionsContainer.querySelector('[data-custom-section-id="watchlist"]')) ||
            (enableDiscovery && homeSectionsContainer.querySelector('[data-custom-section-id="watched-movie"]')) ||
            (enableSeasonal && homeSectionsContainer.querySelector('[data-custom-section-id="halloween-movies"]'));
        
        if (hasRenderedCustomSections || hasRenderedNewAndTrendingSections || hasRenderedDiscoverySections) {
            return;
        }

        createDiscoveryLoadingIndicator();
        
        // Set processing flag to prevent parallel execution
        isProcessing = true;
        
        try {
            LOG('Starting parallel initialization of home screen sections...');
            
            // Run all initialization functions in parallel for faster loading
            const initPromises = [
                // Initialize people cache in background (non-blocking)
                initializePeopleCache(),
                
                // Render custom sections
                renderAllCustomSections(homeSectionsContainer),
                
                // Render new and trending sections
                renderAllNewAndTrendingSections(homeSectionsContainer),

                // Render seasonal sections
                renderAllSeasonalSections(homeSectionsContainer),

                // Render watchlist section
                renderWatchlistSection(homeSectionsContainer),
                renderPopularTVNetworksSection(homeSectionsContainer),
                
                // Start preloading first batch of discovery sections (non-blocking)
                // This will also set up infinite loading handlers if buffer has content
                preloadNextSections()
            ];
            
            // Wait for all parallel operations to complete
            await Promise.all(initPromises);
            
            LOG('All custom sections rendered successfully');
        } catch (error) {
            ERR('Error rendering custom sections:', error);
        } finally {
            // Always reset the processing flag
            isProcessing = false;
        }
    }

    if (window.KefinTweaksUtils) {
        LOG('Registering home screen handler with KefinTweaksUtils');
        
        // Register handler for all pages (breadcrumbs can appear on any detail page)
        window.KefinTweaksUtils.onViewPage((view, element) => {
            try {
                // Run our custom code
                checkAndRenderCustomSections();
            } catch (err) {
                ERR('Home screen page change handler failed:', err);
            }
        }, {
            immediate: true,
            pages: ['home', 'home.html']
        });
    } else {
        ERR('KefinTweaksUtils not available, breadcrumbs may not work correctly');
    }

    checkAndRenderCustomSections();

    // Debug functions for troubleshooting (available in console)
    window.debugHomeScreen = function() {
        LOG('Manual debug trigger called');
        checkAndRenderCustomSections();
    };

    window.debugCustomSections = function() {
        LOG('Custom sections configuration:', customHomeSections);
        LOG('New and Trending configuration - enableNewAndTrending:', enableNewAndTrending, 'enableNewMovies:', enableNewMovies, 'enableNewEpisodes:', enableNewEpisodes, 'enableTrending:', enableTrending);
        LOG('Discovery configuration - enableWatchlist:', enableWatchlist, 'enableDiscovery:', enableDiscovery, 'enableSeasonal:', enableSeasonal);
        LOG('Seasonal configuration - seasonalItemLimit:', SEASONAL_ITEM_LIMIT);
        LOG('Processing flag status:', isProcessing);
        
        // Check multiple selectors
        const selectors = [
            '.libraryPage:not(.hide) .homeSectionsContainer',
            '.homeSectionsContainer',
            '.homeSectionsContainer:not(.hide)',
            '[class*="homeSections"]'
        ];
        
        selectors.forEach(selector => {
            const element = document.querySelector(selector);
            LOG(`Selector "${selector}":`, element ? 'FOUND' : 'NOT FOUND', element);
        });
        
        // Log all elements with "home" or "section" in class name
        const allElements = document.querySelectorAll('*');
        const relevantElements = Array.from(allElements).filter(el => 
            el.className && typeof el.className === 'string' && 
            (el.className.toLowerCase().includes('home') || el.className.toLowerCase().includes('section'))
        );
        
        LOG('Elements with "home" or "section" in class:', relevantElements.map(el => ({
            tagName: el.tagName,
            className: el.className,
            id: el.id
        })));
        
        // Check if cardBuilder is available
        LOG('cardBuilder available:', typeof window.cardBuilder !== 'undefined');
        LOG('renderCardsFromIds available:', typeof window.cardBuilder?.renderCardsFromIds === 'function');
        
        // Check if LocalStorageCache is available
        LOG('LocalStorageCache available:', typeof window.LocalStorageCache !== 'undefined');
        
        // Check discovery section data availability
        if (enableWatchlist) {
            const watchlistData = getWatchlistData();
            LOG('Watchlist data available:', watchlistData.length, 'items');
        }
        
        if (enableDiscovery) {
            const movieHistory = getMovieHistoryData();
            const seriesProgress = getSeriesProgressData();
            LOG('Movie history available:', movieHistory.length, 'items');
            LOG('Series progress available:', seriesProgress.length, 'items');
        }
    };


    // Debug function for seasonal sections
    window.debugSeasonalSections = function() {
        LOG('=== Seasonal Sections Debug ===');
        LOG('Configuration - enableSeasonal:', enableSeasonal, 'seasonalItemLimit:', SEASONAL_ITEM_LIMIT);
        
        LOG('Date checks:');
        LOG('- Halloween period:', isHalloweenPeriod());
        LOG('- Christmas period:', isChristmasPeriod());
        LOG('- New Years period:', isNewYearsPeriod());
        LOG('- Valentine\'s Day period:', isValentinesPeriod());
        
        if (enableSeasonal) {
            LOG('Halloween data:');
            LOG('- Halloween movies:', halloweenMovies.length);
            LOG('- Horror movies:', horrorMovies.length);
            LOG('- Thriller movies:', thrillerMovies.length);
            LOG('- Halloween people:', halloweenPeople.length);
            LOG('- ViewMore URLs:', halloweenViewMoreUrls);
            
            if (halloweenPeople.length > 0) {
                const directors = halloweenPeople.filter(p => p.directorCount >= 2);
                const actors = halloweenPeople.filter(p => p.actorCount >= 2);
                const writers = halloweenPeople.filter(p => p.writerCount >= 2);
                LOG('- Directors with 2+ movies:', directors.length);
                LOG('- Actors with 2+ movies:', actors.length);
                LOG('- Writers with 2+ movies:', writers.length);
            }
        }
    };

    // Debug function for movie genres cache
    window.debugMovieGenres = async function() {
        LOG('=== Movie Genres Cache Debug ===');
        
        const cache = new window.LocalStorageCache();
        const movieGenres = cache.get('movieGenres');
        
        if (movieGenres && movieGenres.length > 0) {
            LOG(`Cached genres: ${movieGenres.length}`);
            LOG('Sample genres:', movieGenres.slice(0, 5).map(g => ({ name: g.Name, id: g.Id })));
            
            // Test genre lookups
            const horrorId = await getGenreId('Horror');
            const thrillerId = await getGenreId('Thriller');
            LOG('Horror genre ID:', horrorId);
            LOG('Thriller genre ID:', thrillerId);
        } else {
            LOG('No genres in cache, fetching...');
            const genres = await fetchAndCacheMovieGenres();
            LOG(`Fetched and cached ${genres.length} genres`);
        }
        
        // Show cache age
        const cacheAge = cache.getCacheAge('movieGenres');
        if (cacheAge !== null) {
            LOG(`Cache age: ${cacheAge.toFixed(2)} hours`);
        }
    };

    // Debug function for discovery sections
    window.debugDiscoverySections = function() {
        LOG('=== Discovery Sections Debug ===');
        LOG('Configuration - enableDiscovery:', enableDiscovery);
        LOG('Configuration - enableInfiniteScroll:', enableInfiniteScroll);
        LOG('Configuration - minPeopleAppearances:', minPeopleAppearances);
        LOG('Configuration - minGenreMovieCount:', minGenreMovieCount);
        LOG('Movies top people loaded:', moviesTopPeople !== null);
        LOG('People cache complete:', isPeopleCacheComplete);
        LOG('Is initializing people cache:', isInitializingPeopleCache);
        LOG('Rendered sections count:', renderedSections.size);
        LOG('Rendered sections:', Array.from(renderedSections));
        LOG('Is generating discovery sections:', isGeneratingDiscoverySections);
        LOG('Preloaded sections count:', preloadedSections.length);
        LOG('Preloaded section elements count:', preloadedSectionElements.length);
        LOG('Is preloading sections:', isPreloadingSections);
        
        if (moviesTopPeople) {
            LOG('Top people data:');
            LOG('- Actors:', moviesTopPeople.actors.length);
            LOG('- Directors:', moviesTopPeople.directors.length);
            LOG('- Writers:', moviesTopPeople.writers.length);
            
            if (moviesTopPeople.actors.length > 0) {
                LOG('Sample actor:', moviesTopPeople.actors[0]);
            }
            if (moviesTopPeople.directors.length > 0) {
                LOG('Sample director:', moviesTopPeople.directors[0]);
            }
            if (moviesTopPeople.writers.length > 0) {
                LOG('Sample writer:', moviesTopPeople.writers[0]);
            }
        }
        
        // Test genre availability
        const cache = new window.LocalStorageCache();
        const movieGenres = cache.get('movieGenres');
        LOG('Available genres:', movieGenres ? movieGenres.length : 0);
        
        if (movieGenres && movieGenres.length > 0) {
            const genresWithEnoughMovies = movieGenres.filter(genre => 
                (genre.MovieCount || 0) >= minGenreMovieCount
            );
            LOG(`Genres with ${minGenreMovieCount}+ movies:`, genresWithEnoughMovies.length);
            
            if (genresWithEnoughMovies.length > 0) {
                LOG('Sample qualifying genres:', genresWithEnoughMovies.slice(0, 5).map(g => ({ 
                    name: g.Name, 
                    movieCount: g.MovieCount 
                })));
            }
        }
        
        // Test watchlist data
        const watchlistData = getWatchlistData();
        LOG('Watchlist data available:', watchlistData.length, 'items');
        
        // Test movie history
        const movieHistory = getMovieHistoryData();
        LOG('Movie history available:', movieHistory.length, 'items');
        
        // Test favorites
        fetchFavoriteItems('Movie').then(favorites => {
            LOG('Favorite movies available:', favorites.length, 'items');
        });
    };

    // Function to manually trigger discovery sections rendering from buffer
    window.generateDiscoverySections = async function() {
        LOG('Manually triggering discovery sections rendering from buffer...');
        const homeSectionsContainer = document.querySelector('.homeSectionsContainer');
        if (homeSectionsContainer) {
            const result = await renderNextDiscoveryGroup(homeSectionsContainer);
            LOG('Discovery sections rendering result:', result);
        } else {
            LOG('Home sections container not found');
        }
    };

    // Function to manually trigger preloading
    window.preloadDiscoverySections = async function() {
        LOG('Manually triggering discovery sections preloading...');
        await preloadNextSections();
        LOG('Preloading completed. Preloaded sections:', preloadedSections.length);
    };

    // Function to manually continue loading people data
    window.continueLoadingPeopleData = async function() {
        LOG('Manually continuing people data loading...');
        if (isInitializingPeopleCache) {
            LOG('People cache initialization already in progress');
            return;
        }
        
        isInitializingPeopleCache = true;
        try {
            const result = await fetchTopPeople();
            if (result) {
                moviesTopPeople = result;
                isPeopleCacheComplete = result.isComplete || false;
                LOG('People data loading result:', result.isComplete ? 'Complete' : 'Partial');
            }
        } finally {
            isInitializingPeopleCache = false;
        }
    };

    // Function to manually refresh movie genres cache
    window.refreshMovieGenres = async function() {
        LOG('Manually refreshing movie genres cache...');
        const cache = new window.LocalStorageCache();
        cache.clear('movieGenres');
        const genres = await fetchAndCacheMovieGenres();
        LOG(`Refreshed cache with ${genres.length} genres`);
        return genres;
    };

    // Function to manually unhide preloaded sections for testing
    window.unhidePreloadedSections = function() {
        LOG('Manually unhiding preloaded sections...');
        const hiddenSections = document.querySelectorAll('[data-preloaded="true"]');
        LOG(`Found ${hiddenSections.length} hidden preloaded sections`);
        
        let unhiddenCount = 0;
        hiddenSections.forEach(section => {
            section.style.display = '';
            section.removeAttribute('data-preloaded');
            unhiddenCount++;
        });
        
        LOG(`Unhid ${unhiddenCount} preloaded sections`);
        return unhiddenCount;
    };

    // Function to test new movies section
    window.testNewMovies = async function() {
        LOG('Testing New Movies section...');
        const movies = await fetchNewMovies();
        LOG(`Found ${movies.length} new movies:`, movies.map(m => ({ name: m.Name, premiereDate: m.PremiereDate })));
        return movies;
    };

    // Function to test new episodes section
    window.testNewEpisodes = async function() {
        LOG('Testing New Episodes section...');
        const episodes = await fetchNewEpisodes();
        LOG(`Found ${episodes.length} new episodes from last 7 days (after deduplication):`, episodes.map(e => ({ 
            name: e.Name, 
            series: e.SeriesName, 
            episode: `S${e.ParentIndexNumber?.toString().padStart(2,'0') ?? '--'}E${e.IndexNumber?.toString().padStart(2,'0') ?? '--'}`,
            premiereDate: e.PremiereDate 
        })));
        
        // Group by series to show deduplication effect
        const seriesGroups = {};
        episodes.forEach(episode => {
            const series = episode.SeriesName || 'Unknown';
            if (!seriesGroups[series]) {
                seriesGroups[series] = [];
            }
            seriesGroups[series].push(episode);
        });
        
        LOG('Episodes grouped by series:', Object.keys(seriesGroups).map(series => ({
            series: series,
            episodeCount: seriesGroups[series].length,
            episodes: seriesGroups[series].map(e => `S${e.ParentIndexNumber?.toString().padStart(2,'0') ?? '--'}E${e.IndexNumber?.toString().padStart(2,'0') ?? '--'}`)
        })));
        
        return episodes;
    };

    // Function to test deduplication logic with sample data
    window.testDeduplication = function() {
        LOG('Testing episode deduplication logic...');
        
        // Create sample episodes for testing
        const sampleEpisodes = [
            { Name: 'Episode 1', SeriesName: 'Test Series A', PremiereDate: '2024-01-15', IndexNumber: 1, ParentIndexNumber: 1 },
            { Name: 'Episode 2', SeriesName: 'Test Series A', PremiereDate: '2024-01-15', IndexNumber: 2, ParentIndexNumber: 1 },
            { Name: 'Episode 3', SeriesName: 'Test Series A', PremiereDate: '2024-01-15', IndexNumber: 3, ParentIndexNumber: 1 },
            { Name: 'Episode 1', SeriesName: 'Test Series B', PremiereDate: '2024-01-16', IndexNumber: 1, ParentIndexNumber: 1 },
            { Name: 'Episode 1', SeriesName: 'Test Series A', PremiereDate: '2024-01-17', IndexNumber: 1, ParentIndexNumber: 2 },
            { Name: 'Episode 2', SeriesName: 'Test Series A', PremiereDate: '2024-01-17', IndexNumber: 2, ParentIndexNumber: 2 }
        ];
        
        LOG('Original episodes:', sampleEpisodes.map(e => ({ 
            series: e.SeriesName, 
            episode: `S${e.ParentIndexNumber}E${e.IndexNumber}`, 
            date: e.PremiereDate 
        })));
        
        const deduplicated = deduplicateEpisodesBySeriesAndDate(sampleEpisodes);
        
        LOG('After deduplication:', deduplicated.map(e => ({ 
            series: e.SeriesName, 
            episode: `S${e.ParentIndexNumber}E${e.IndexNumber}`, 
            date: e.PremiereDate 
        })));
        
        LOG(`Deduplication result: ${sampleEpisodes.length} episodes → ${deduplicated.length} episodes`);
        
        return deduplicated;
    };

    window.discoveryBuffer = function() {
        return discoveryBuffer;
    };

    LOG('Home screen functionality initialized');
})();