//! Card definitions as the engine sees them. The definitions themselves live in `content`.

use std::collections::HashMap;

/// What the engine needs to know about a card. Module 1: only its name.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct CardDef {
    pub name: String,
}

impl CardDef {
    pub fn new(name: &str) -> CardDef {
        CardDef {
            name: name.to_string(),
        }
    }
}

/// Every card the game can create, looked up by name.
#[derive(Debug, Default)]
pub struct CardLibrary {
    cards: HashMap<String, CardDef>,
}

impl CardLibrary {
    pub fn new(defs: Vec<CardDef>) -> CardLibrary {
        let cards = defs.into_iter().map(|d| (d.name.clone(), d)).collect();
        CardLibrary { cards }
    }

    pub fn get(&self, name: &str) -> &CardDef {
        self.cards
            .get(name)
            .unwrap_or_else(|| panic!("unknown card {name:?}: define it in src/content"))
    }
}