flutter_clock/lib/utils/audio_manager.dart

import 'package:audioplayers/audioplayers.dart';
import 'package:vibration/vibration.dart';

class AudioManager {
  static final AudioManager _instance = AudioManager._internal();
  final AudioPlayer _audioPlayer = AudioPlayer();
  bool _isPlaying = false;
  
  factory AudioManager() {
    return _instance;
  }
  
  AudioManager._internal();
  
  Future<void> playSound(String sound, double volume, bool loop) async {
    if (_isPlaying) {
      await stopSound();
    }
    
    // For this example, we're using dummy sound mapping
    // In a real app, you would have actual sound files
    String soundAsset;
    switch (sound) {
      case 'Dripping':
        soundAsset = 'assets/sounds/dripping.mp3';
        break;
      case 'Alarm':
        soundAsset = 'assets/sounds/alarm.mp3';
        break;
      case 'Bell':
        soundAsset = 'assets/sounds/bell.mp3';
        break;
      default:
        soundAsset = 'assets/sounds/dripping.mp3';
    }
    
    await _audioPlayer.setVolume(volume);
    await _audioPlayer.setReleaseMode(loop ? ReleaseMode.loop : ReleaseMode.release);
    await _audioPlayer.play(AssetSource(soundAsset));
    _isPlaying = true;
  }
  
  Future<void> stopSound() async {
    await _audioPlayer.stop();
    _isPlaying = false;
  }
  
  Future<void> triggerVibration() async {
    if (await Vibration.hasVibrator() ?? false) {
      Vibration.vibrate(pattern: [500, 1000, 500, 1000], repeat: 1);
    }
  }
  
  Future<void> stopVibration() async {
    if (await Vibration.hasVibrator() ?? false) {
      Vibration.cancel();
    }
  }
  
  Future<void> dispose() async {
    await stopSound();
    await stopVibration();
    await _audioPlayer.dispose();
  }
}