type ChannelEntity = {
  entityType: "channel";
  channelType: "streaming" | "overTheAir";
  entityId: string; // ID of the channel, in the target App's scope.
  appContentData?: string;
};

type MusicEntity = {
  entityType: "music";
  musicType: MusicType; // In the case of a music `entityType`, specifies the type of music entity.
  entityId: string;
};

type MovieEntity = {
  entityType: "program";
  programType: "movie";
  entityId: string;
  assetId?: string;
  appContentData?: string;
};

type UntypedEntity = {
  entityId: string;
  assetId?: string;
  appContentData?: string;
};

type PlaylistEntity = {
  entityType: "playlist";
  entityId: string;
  assetId?: string;
  appContentData?: string;
};

type TVEpisodeEntity = {
  entityType: "program";
  programType: "episode";
  entityId: string;
  seriesId: string;
  seasonId: string;
  assetId?: string;
  appContentData?: string;
};

type AdditionalEntity = {
  entityType: "program";
  programType:
    | "concert"
    | "sportingEvent"
    | "preview"
    | "other"
    | "advertisement"
    | "musicVideo"
    | "minisode"
    | "extra";
  entityId: string;
  assetId?: string;
  appContentData?: string;
};

type TVSeasonEntity = {
  entityType: "program";
  programType: "season";
  entityId: string;
  seriesId: string;
  assetId?: string;
  appContentData?: string;
};

type TVSeriesEntity = {
  entityType: "program";
  programType: "series";
  entityId: string;
  assetId?: string;
  appContentData?: string;
};

type PlayableEntity =
  | MovieEntity
  | TVEpisodeEntity
  | PlaylistEntity
  | MusicEntity
  | AdditionalEntity;

type ProgramEntity =
  | MovieEntity
  | TVEpisodeEntity
  | TVSeasonEntity
  | TVSeriesEntity
  | AdditionalEntity;