class MusicService {
  static final MusicService _instance = MusicService._internal();
  factory MusicService() => _instance;

  MusicService._internal();

  Future<void> playMusic(Map<String, dynamic> song) async {}
  Future<void> playMusicPlaylist(List<Map<String, dynamic>> playlist) async {}
  Future<void> pauseMusic() async {}
  Future<void> resumeMusic() async {}
  Future<void> stopMusic() async {}
  Future<void> setVolume(double volume) async {}
  Future<Map<String, dynamic>> getStatus() async => {};
  Future<Map<String, dynamic>> getProgress() async => {
        'isPlaying': false,
        'currentPosition': 0,
        'duration': 0,
        'progress': 0.0,
      };
  Future<void> seekTo(int positionMs) async {}

  Future<void> updateMediaSessionProgress(
      int currentPosition, int duration, double progress) async {}

  Future<void> setMediaSessionCallbacks({
    required Function() onPlay,
    required Function() onPause,
    required Function() onNext,
    required Function() onPrevious,
    required Function(int) onSeekTo,
    required Function() onStop,
    required Function(int, int, int, double) onProgress,
  }) async {}

  Future<void> updateMediaSessionMetadata(Map<String, dynamic> song) async {}

  Future<void> updateMediaSessionPlaybackState(bool isPlaying) async {}
}