/**
 * Kysely table types. snake_case columns; timestamps are ISO-8601 text; JSON columns are text
 * (use `toJson`/`fromJson`); booleans are integer 0/1. All IDs come from app code (`newId()`),
 * so nothing here is `Generated<>`.
 */

export type Role = "admin" | "member";
export type EntryStatus = "planned" | "in_progress" | "paused" | "completed" | "dropped" | "none";
export type Visibility = "private" | "friends" | "public";
export type TokenScope = "read" | "write" | "ingest";
export type CustomFieldLevel = "entry" | "engagement" | "copy";
export type ListKind = "list" | "grouping" | "thread";
export type AttachmentEntity = "entry" | "engagement" | "copy" | "list" | "work";
export type SuggestionStatus = "pending" | "accepted" | "rejected";
export type ConnectionStatus = "active" | "paused" | "error";
export type RunMode = "full" | "changes" | "file";
export type RunStatus = "running" | "ok" | "failed";
export type ChangeType = "added" | "changed" | "removed" | "merged" | "conflict";
export type ChangeStatus = "pending" | "auto_applied" | "accepted" | "ignored" | "kept_mine";
export type JobStatus = "queued" | "running" | "done" | "failed";

export interface UsersTable {
  id: string;
  username: string;
  display_name: string;
  password_hash: string;
  role: Role;
  preferences: string;
  created_at: string;
  updated_at: string;
}

export interface SessionsTable {
  id: string;
  user_id: string;
  token_hash: string;
  expires_at: string;
  created_at: string;
}

export interface InvitesTable {
  id: string;
  code_hash: string;
  created_by: string;
  used_by: string | null;
  expires_at: string;
  created_at: string;
}

export interface AppTokensTable {
  id: string;
  user_id: string;
  name: string;
  token_hash: string;
  /** JSON `TokenScope[]`. */
  scopes: string;
  last_used_at: string | null;
  revoked_at: string | null;
  created_at: string;
}

export interface WorksTable {
  id: string;
  media_type: string;
  title: string;
  original_title: string;
  year: number | null;
  release_date: string | null;
  creators: string;
  description: string;
  cover_url: string;
  cover_attachment_id: string | null;
  metadata: string;
  parent_id: string | null;
  position: string | null;
  owner_user_id: string | null;
  merged_into_id: string | null;
  created_at: string;
  updated_at: string;
}

export interface ExternalIdsTable {
  id: string;
  work_id: string;
  namespace: string;
  value: string;
}

export interface WorkAliasesTable {
  id: string;
  user_id: string;
  from_work_id: string;
  to_work_id: string;
}

export interface WorkHistoryTable {
  id: string;
  work_id: string;
  before: string;
  after: string;
  actor: string;
  created_at: string;
}

export interface EntriesTable {
  id: string;
  user_id: string;
  work_id: string;
  status: EntryStatus;
  rating: number | null;
  review: string | null;
  private_notes: string | null;
  /** 0 or 1. */
  favorite: number;
  tags: string;
  custom_fields: string;
  visibility: Visibility;
  overrides: string;
  media_type_override: string | null;
  field_sources: string;
  created_at: string;
  updated_at: string;
  deleted_at: string | null;
}

export interface EngagementsTable {
  id: string;
  entry_id: string;
  started_at: string | null;
  started_precision: string;
  finished_at: string | null;
  finished_precision: string;
  progress: string;
  platform: string | null;
  rating: number | null;
  notes: string | null;
  custom_fields: string;
  field_sources: string;
  created_at: string;
  updated_at: string;
  deleted_at: string | null;
}

export interface EngagementSourcesTable {
  id: string;
  engagement_id: string;
  connection_id: string;
  record_key: string;
}

export interface ListensTable {
  id: string;
  user_id: string;
  listened_at: string;
  artist: string;
  track: string;
  album: string | null;
  duration_ms: number | null;
  mbids: string;
  work_id: string | null;
  source: string;
  source_key: string;
  created_at: string;
}

export interface ListsTable {
  id: string;
  user_id: string;
  name: string;
  description: string;
  kind: ListKind;
  visibility: Visibility;
  rating: number | null;
  review: string | null;
  created_at: string;
  updated_at: string;
  deleted_at: string | null;
}

export interface ListItemsTable {
  id: string;
  list_id: string;
  work_id: string;
  position: number;
  note: string | null;
}

export interface CustomFieldDefinitionsTable {
  id: string;
  user_id: string;
  name: string;
  type: string;
  options: string;
  /** JSON `MediaType[] | "all"`. */
  applies_to: string;
  level: CustomFieldLevel;
  created_at: string;
}

export interface CopiesTable {
  id: string;
  user_id: string;
  work_id: string | null;
  title_hint: string | null;
  format: string | null;
  acquired_from: string | null;
  acquired_at: string | null;
  acquired_precision: string;
  price_cents: number | null;
  currency: string | null;
  notes: string | null;
  custom_fields: string;
  source_ref: string | null;
  created_at: string;
  updated_at: string;
  deleted_at: string | null;
}

export interface AttachmentsTable {
  id: string;
  user_id: string;
  sha256: string;
  mime: string;
  size: number;
  filename: string;
  caption: string | null;
  taken_at: string | null;
  visibility: Visibility | null;
  created_at: string;
}

export interface AttachmentLinksTable {
  id: string;
  attachment_id: string;
  entity: AttachmentEntity;
  entity_id: string;
}

export interface UserHistoryTable {
  id: string;
  user_id: string;
  entity: string;
  entity_id: string;
  before: string;
  after: string;
  actor: string;
  created_at: string;
}

export interface MatchSuggestionsTable {
  id: string;
  user_id: string;
  work_id: string;
  candidate_work_id: string;
  score: number;
  status: SuggestionStatus;
  created_at: string;
}

export interface SourceConnectionsTable {
  id: string;
  user_id: string;
  plugin_id: string;
  name: string;
  config: string;
  credentials_enc: string | null;
  schedule_minutes: number | null;
  cursor: string | null;
  status: ConnectionStatus;
  last_run_at: string | null;
  created_at: string;
}

export interface SourceRunsTable {
  id: string;
  connection_id: string;
  mode: RunMode;
  started_at: string;
  finished_at: string | null;
  status: RunStatus;
  counts: string;
  log: string;
  error: string | null;
}

export interface SourceRecordsTable {
  id: string;
  connection_id: string;
  key: string;
  kind: string;
  current_hash: string;
  first_seen: string;
  last_seen: string;
  deleted_at: string | null;
  merged_into_key: string | null;
  target_entity: string | null;
  target_id: string | null;
}

export interface SourceRecordVersionsTable {
  id: string;
  record_id: string;
  hash: string;
  /** Base64 of gzipped raw record. */
  raw_gz: string;
  seen_at: string;
}

export interface ChangeEventsTable {
  id: string;
  user_id: string;
  connection_id: string | null;
  run_id: string | null;
  record_id: string | null;
  type: ChangeType;
  target_entity: string;
  target_id: string | null;
  payload: string;
  status: ChangeStatus;
  created_at: string;
  resolved_at: string | null;
}

export interface JobsTable {
  id: string;
  type: string;
  payload: string;
  run_at: string;
  status: JobStatus;
  attempts: number;
  last_error: string | null;
  locked_at: string | null;
  lock_key: string | null;
  created_at: string;
}

export interface Database {
  users: UsersTable;
  sessions: SessionsTable;
  invites: InvitesTable;
  app_tokens: AppTokensTable;
  works: WorksTable;
  external_ids: ExternalIdsTable;
  work_aliases: WorkAliasesTable;
  work_history: WorkHistoryTable;
  entries: EntriesTable;
  engagements: EngagementsTable;
  engagement_sources: EngagementSourcesTable;
  listens: ListensTable;
  lists: ListsTable;
  list_items: ListItemsTable;
  custom_field_definitions: CustomFieldDefinitionsTable;
  copies: CopiesTable;
  attachments: AttachmentsTable;
  attachment_links: AttachmentLinksTable;
  user_history: UserHistoryTable;
  match_suggestions: MatchSuggestionsTable;
  source_connections: SourceConnectionsTable;
  source_runs: SourceRunsTable;
  source_records: SourceRecordsTable;
  source_record_versions: SourceRecordVersionsTable;
  change_events: ChangeEventsTable;
  jobs: JobsTable;
}