import 'package:didvan/services/network/request.dart';
import 'package:didvan/services/network/request_helper.dart';
import 'package:just_audio/just_audio.dart';

class VoiceService {
  static final audioPlayer = AudioPlayer();
  static int? index;
  static ConcatenatingAudioSource? _playlist;

  VoiceService({required final List<AudioSource> audios}) {
    _playlist = ConcatenatingAudioSource(
      // Start loading next item just before reaching it
      useLazyPreparation: true,
      // Customise the shuffle algorithm
      shuffleOrder: DefaultShuffleOrder(),
      // Specify the playlist items
      children: audios,
    );
  }

  static Future<Duration?> getDuration({
    required String src,
  }) async {
    if (src.startsWith('/uploads')) {
      return await audioPlayer.setUrl(
          '${RequestHelper.baseUrl + src}?accessToken=${RequestService.token}');
    } else if (src.startsWith('blob:')) {
      return await audioPlayer.setAudioSource(AudioSource.uri(Uri.parse(src)));
    } else {
      return await audioPlayer.setFilePath(src);
    }
  }

  static Future<bool> voiceHelper({required int index}) async {
    try {
      if (VoiceService.index == index) {
        if (audioPlayer.playerState ==
            PlayerState(true, ProcessingState.ready)) {
          await audioPlayer.pause();
        } else {
          await audioPlayer.play();
        }

        return true;
      }
      VoiceService.index = index;
      await audioPlayer.setAudioSource(_playlist!,
          initialIndex: index, initialPosition: Duration.zero);
      await audioPlayer
          .setLoopMode(LoopMode.off); // Set playlist to loop (off|all|one)
      await audioPlayer.play();
      return true;
    } catch (e) {
      resetVoicePlayer();
      // rethrow;
      return false;
    }
  }

  static Future<void> resetVoicePlayer() async {
    index = null;

    await audioPlayer.stop();
  }
}