export type ProviderId = 'yt' | 'dm' | 'tw' | 'pt' | 'od' | 'ru';

export interface ProviderSpec {
  id: ProviderId;
  displayName: string;
  shortLabel: string;      // YT, DM, ...
  icon: string;            // lucide or custom svg name
  colorClass: string;      // tailwind text-red-500, etc.
  supports: { search: boolean; shorts: boolean; live: boolean; playlists: boolean };
  buildSearchUrl: (q: string, opts?: { page?: number; limit?: number; providers?: ProviderId[] | 'all' }) => string; // front-only fallback
}

export const PROVIDERS: ProviderSpec[] = [
  { id: 'yt', displayName: 'YouTube', shortLabel: 'YT', icon: 'youtube', colorClass: 'text-red-500',
    supports: { search: true, shorts: true, live: true, playlists: true },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
  { id: 'dm', displayName: 'Dailymotion', shortLabel: 'DM', icon: 'dailymotion', colorClass: 'text-blue-500',
    supports: { search: true, shorts: false, live: false, playlists: false },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
  { id: 'tw', displayName: 'Twitch', shortLabel: 'TW', icon: 'twitch', colorClass: 'text-purple-500',
    supports: { search: true, shorts: false, live: true, playlists: false },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
  { id: 'pt', displayName: 'PeerTube', shortLabel: 'PT', icon: 'peertube', colorClass: 'text-green-500',
    supports: { search: true, shorts: false, live: false, playlists: true },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
  { id: 'od', displayName: 'Odysee', shortLabel: 'OD', icon: 'odysee', colorClass: 'text-yellow-500',
    supports: { search: true, shorts: false, live: false, playlists: false },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
  { id: 'ru', displayName: 'Rumble', shortLabel: 'RU', icon: 'rumble', colorClass: 'text-orange-500',
    supports: { search: true, shorts: false, live: false, playlists: false },
    buildSearchUrl: (q, opts) => `/api/search?q=${encodeURIComponent(q)}&providers=${encodeURIComponent((opts?.providers && opts.providers !== 'all') ? opts.providers.join(',') : 'yt,dm,tw,pt,od,ru')}`
  },
];

export const PROVIDER_MAP = new Map(PROVIDERS.map(p => [p.id, p]));

/** Provider long (instance.service) -> id court du registre. */
const LONG_TO_SHORT: Record<string, ProviderId> = {
  youtube: 'yt', dailymotion: 'dm', twitch: 'tw', peertube: 'pt', rumble: 'ru', odysee: 'od',
};

/**
 * Le provider supporte-t-il le direct ? Source unique = le registre.
 * Provider inconnu ⇒ false (jamais de crash), l'ajout d'un provider live
 * ne touche que ce registre.
 */
export function providerSupportsLive(provider?: string | null): boolean {
  const key = String(provider || '').toLowerCase();
  const id = LONG_TO_SHORT[key] || (key as ProviderId);
  return PROVIDER_MAP.get(id)?.supports.live === true;
}