import 'package:just_audio/just_audio.dart';
import 'package:just_audio_background/just_audio_background.dart';
import 'package:ocarina/api/subsonic/song.dart';
import 'package:ocarina/main.dart';

/// Service used to control the audio player
class AudioPlayerService {
  /// Service used to control the audio player
  factory AudioPlayerService() {
    return _audioPlayerService;
  }

  AudioPlayerService._internal();
  static final AudioPlayerService _audioPlayerService =
      AudioPlayerService._internal();

  /// The [AudioPlayer] instance
  final player = AudioPlayer();

  /// Currently playing song
  ///
  /// Null if no song is loaded
  Song? song;

  /// Plays the passed [Song] as a file
  Future<void> playFile({Song? song}) async {
    final doCache = sp.getBool("doCache") ?? true;
    if (song == null && this.song == null) return;
    song ??= this.song;
    await player.setAudioSource(
      doCache
          ? LockCachingAudioSource(
              Uri.parse(song!.streamUrl),
              tag: MediaItem(
                id: song.id,
                title: song.title,
                album: song.albumName,
                artist: song.artistName,
                artUri: Uri.parse(song.coverArtUrl),
              ),
            )
          : AudioSource.uri(
              Uri.parse(song!.streamUrl),
              tag: MediaItem(
                id: song.id,
                title: song.title,
                album: song.albumName,
                artist: song.artistName,
                artUri: Uri.parse(song.coverArtUrl),
              ),
            ),
    );
    await player.seek(Duration.zero);
    await player.play();
  }
}