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

/// 时间: 2026-03-30
/// 功能: 音频管理类
/// 介绍: 管理应用中的音效播放，包括点击音效、点赞音效等
/// 最新变化: 重写声音播放逻辑，确保声音正常播放，不依赖GlobalAudioScope

class AudioManager {
  static AudioManager? _instance;
  bool _isInitialized = false;
  bool _isMuted = false;
  AudioPlayer? _player;

  AudioManager._internal();

  factory AudioManager() {
    _instance ??= AudioManager._internal();
    return _instance!;
  }

  Future<void> init() async {
    if (_isInitialized) return;

    try {
      await _loadSoundSetting();
      // 不依赖GlobalAudioScope的初始化，直接创建AudioPlayer
      _player = AudioPlayer();
      _isInitialized = true;
      print('AudioManager初始化成功');
    } catch (e) {
      print('AudioManager初始化失败: $e');
      _isInitialized = true;
    }
  }

  /// 加载保存的声音设置
  Future<void> _loadSoundSetting() async {
    try {
      final prefs = await SharedPreferences.getInstance();
      bool soundEnabled = prefs.getBool('sound_enabled') ?? true;
      _isMuted = !soundEnabled;
      print('声音设置: soundEnabled=$soundEnabled, _isMuted=$_isMuted');
    } catch (e) {
      print('加载声音设置失败: $e');
      _isMuted = false;
    }
  }

  /// 播放点击音效
  void playClickSound() {
    _playSound('audios/deep.mp3');
  }

  /// 播放点赞音效
  void playLikeSound() {
    _playSound('audios/deep.mp3');
  }

  /// 播放下一条音效
  void playNextSound() {
    _playSound('audios/deep.mp3');
  }

  /// 播放音频
  void _playSound(String assetPath) {
    if (_isMuted) {
      print('声音已静音，不播放: $assetPath');
      return;
    }
    print('播放声音: $assetPath');
    _playSoundAsync(assetPath);
  }

  /// 异步播放音频
  Future<void> _playSoundAsync(String assetPath) async {
    try {
      // 确保player已初始化
      if (_player == null) {
        _player = AudioPlayer();
      }

      // 播放音频
      await _player!.play(AssetSource(assetPath));
      print('声音播放成功: $assetPath');
    } catch (e) {
      print('声音播放失败: $assetPath, 错误: $e');
      // 如果播放失败，尝试重新创建player
      try {
        _player?.dispose();
        _player = AudioPlayer();
        await _player!.play(AssetSource(assetPath));
        print('声音重播成功: $assetPath');
      } catch (retryError) {
        print('声音重播失败: $assetPath, 错误: $retryError');
      }
    }
  }

  /// 设置静音状态
  void setMuted(bool muted) {
    _isMuted = muted;
    print('设置静音状态: $_isMuted');
  }

  /// 获取静音状态
  bool get isMuted => _isMuted;
}