import type { VideoFeedSource } from './VideoFeedSource';

export type OpenVideoPlayerSource =
  | { type: 'channel'; channelId: string }
  | { type: 'playlist'; channelId: string; playlistId: string }
  | {
      type: 'dynamicContent';
      channelId: string;
      parameters: Record<string, string[]>;
    }
  | { type: 'hashtagPlaylist'; channelId: string; filterExpression: string }
  | { type: 'sku'; channelId: string; productIds: string[] }
  | { type: 'singleContent'; contentId: string };

// ---------------------------------------------------------------------------
// Compile-time validation: keep OpenVideoPlayerSource in sync with VideoFeedSource.
//
// If a new type is added to VideoFeedSource, add it to OpenVideoPlayerSource
// or to `_UnsupportedByPlayer`; otherwise the build will fail.
// ---------------------------------------------------------------------------

type _UnsupportedByPlayer = 'discover' | 'playlistGroup';

type _ExpectedPlayerTypes = Exclude<VideoFeedSource, _UnsupportedByPlayer>;
type _PublicPlayerTypes = OpenVideoPlayerSource['type'];

type _Assert<T extends true> = T;

// This type only compiles when both invariants hold:
//  1. Every player-supported feed source (excluding the unsupported ones) is
//     present in OpenVideoPlayerSource.
//  2. Every public OpenVideoPlayerSource type is a valid VideoFeedSource.
export type _OpenVideoPlayerSourceChecks = [
  _Assert<_ExpectedPlayerTypes extends _PublicPlayerTypes ? true : false>,
  _Assert<_PublicPlayerTypes extends VideoFeedSource ? true : false>,
];