import { LoadPriority } from './LoadPolicy';

/** 预加载规则：when 信号 → load 资源包/bundle */
export interface PreloadRule {
    when: string;
    load: string[];
    priority: LoadPriority;
}

export const PRELOAD_RULES: PreloadRule[] = [
    { when: 'tabIntent:Home', load: ['bundle:home', 'ui:101'], priority: 'silent' },
    { when: 'tabIntent:Weapon', load: ['bundle:shenjiang', 'bundle:icons'], priority: 'silent' },
    { when: 'panelOpen:Weapon', load: ['bundle:battleHero'], priority: 'silent' },
    { when: 'idleOnHome:5s', load: ['bundle:rank', 'bundle:shenjiang', 'bundle:popBattle'], priority: 'silent' },
];

export function parseBattleScopedToken(token: string): { levelId?: number } {
    if (token === 'currentChapter') {
        return { levelId: gg.game?.CurentSelectLevelId ?? gg.data?.doc?.rankId ?? 1 };
    }
    if (token === 'selectedChapter') {
        return { levelId: gg.game?.CurentSelectLevelId ?? 1 };
    }
    const m = /^chapter:(\d+)$/.exec(token);
    if (m) return { levelId: Number(m[1]) };
    return {};
}