还在尝试跑通播放状态

lib/services/audio_service.dart

@@ -1,4 +1,7 @@
+// lib/services/audio_service.dart
+import 'dart:async'; // ⬅️ 添加这个导入
 import 'package:flutter/material.dart';
+import 'playback_service.dart';
 
 class Song {
   final String id;
@@ -17,24 +20,101 @@ class Song {
 class AudioService extends ChangeNotifier {
   Song? _currentSong;
   bool _isPlaying = false;
+  Duration _position = Duration.zero;
+  Duration _duration = Duration.zero;
+
+  bool _listening = false;
+  final List<StreamSubscription> _subscriptions = [];
 
   Song? get currentSong => _currentSong;
   bool get isPlaying => _isPlaying;
+  Duration get position => _position;
+  Duration get duration => _duration;
 
-  void playSong(Song song) {
+  // ✅ 完整的播放入口
+  Future<void> playSong(Song song) async {
     _currentSong = song;
-    _isPlaying = true;
+    _position = Duration.zero;
+    _duration = Duration.zero;
+
+    _startListening();
     notifyListeners();
+
+    if (song.url == null || song.url!.isEmpty) {
+      return;
+    }
+
+    // 播放由 PlaybackService 执行，状态由 stream 更新
+    await PlaybackService().play(song.url!);
   }
 
+  // ✅ 只调用播放器方法，不手动修改 _isPlaying
   void togglePlay() {
-    _isPlaying = !_isPlaying;
-    notifyListeners();
+    if (_currentSong == null) return;
+
+    if (_isPlaying) {
+      PlaybackService().pause();
+    } else {
+      PlaybackService().resume();
+    }
+    // _isPlaying 由 player.stream.playing 更新
   }
 
   void stopPlay() {
     _currentSong = null;
     _isPlaying = false;
+    _position = Duration.zero;
+    _duration = Duration.zero;
+    _stopListening();
     notifyListeners();
   }
+
+  void seekTo(Duration position) {
+    PlaybackService().seek(position);
+    _position = position;
+    notifyListeners();
+  }
+
+  // ✅ 直接监听 media_kit 的三个独立 Stream
+  void _startListening() {
+    if (_listening) return;
+    _listening = true;
+
+    final player = PlaybackService().player;
+
+    _subscriptions.add(
+      player.stream.playing.listen((playing) {
+        if (_isPlaying != playing) {
+          _isPlaying = playing;
+          notifyListeners();
+        }
+      }),
+    );
+
+    _subscriptions.add(
+      player.stream.position.listen((position) {
+        if (_position != position) {
+          _position = position;
+          notifyListeners();
+        }
+      }),
+    );
+
+    _subscriptions.add(
+      player.stream.duration.listen((duration) {
+        if (_duration != duration) {
+          _duration = duration;
+          notifyListeners();
+        }
+      }),
+    );
+  }
+
+  void _stopListening() {
+    _listening = false;
+    for (final subscription in _subscriptions) {
+      subscription.cancel();
+    }
+    _subscriptions.clear();
+  }
 }

lib/services/playback_service.dart

@@ -1,3 +1,4 @@
+// lib/services/playback_service.dart
 import 'package:media_kit/media_kit.dart';
 
 class PlaybackService {
@@ -8,34 +9,43 @@ class PlaybackService {
   late final Player _player;
   bool _initialized = false;
 
+  // 获取 Player 实例（供 AudioService 直接监听）
+  Player get player {
+    if (!_initialized) init();
+    return _player;
+  }
+
   void init() {
     if (_initialized) return;
     _player = Player();
     _initialized = true;
   }
 
-  Future<void> play(String url) async {
+  Future<void> play(String url, {Map<String, String>? headers}) async {
     if (!_initialized) init();
-    await _player.open(Media(url));
+    print('🎵 播放 URL: $url');
+    print('📋 认证头: ${headers?.keys}');
+    final media = headers != null && headers.isNotEmpty
+        ? Media(url, httpHeaders: headers)
+        : Media(url);
+    await _player.open(media);
     await _player.play();
   }
 
   void pause() {
-    if (_initialized) {
-      _player.pause();
-    }
+    if (_initialized) _player.pause();
   }
 
   void resume() {
-    if (_initialized) {
-      _player.play();
-    }
+    if (_initialized) _player.play();
   }
 
   void stop() {
-    if (_initialized) {
-      _player.stop();
-    }
+    if (_initialized) _player.stop();
+  }
+
+  void seek(Duration position) {
+    if (_initialized) _player.seek(position);
   }
 
   void dispose() {
@@ -44,23 +54,4 @@ class PlaybackService {
       _initialized = false;
     }
   }
-
-  // ✅ 直接返回 PlayerStream（它就是播放器的状态流）
-  PlayerStream get stateStream {
-    if (!_initialized) init();
-    return _player.stream;
-  }
-
-  // 获取当前播放状态
-  PlayerState get currentState {
-    if (!_initialized) {
-      return PlayerState(
-        playing: false,
-        position: Duration.zero,
-        duration: Duration.zero,
-        buffering: false,
-      );
-    }
-    return _player.state;
-  }
 }

lib/services/webdav_service.dart

@@ -26,10 +26,22 @@ class WebDAVService {
   Future<void> saveCredentials(
       String baseUrl, String username, String password) async {
     final prefs = await SharedPreferences.getInstance();
+
+    print('💾 [saveCredentials] 开始保存凭据...');
+    print('💾 [saveCredentials] baseUrl: $baseUrl');
+    print('💾 [saveCredentials] username: $username');
+    print('💾 [saveCredentials] password 长度: ${password.length}');
+
     await prefs.setString(_keyBaseUrl, baseUrl);
     await prefs.setString(_keyUsername, username);
     await prefs.setString(_keyPassword, password);
 
+    // 立即读取验证
+    final verifyUsername = prefs.getString(_keyUsername);
+    final verifyPassword = prefs.getString(_keyPassword);
+    print(
+        '💾 [saveCredentials] 验证读取 - username: $verifyUsername, password 存在: ${verifyPassword != null}');
+
     _baseUrl = baseUrl;
     _username = username;
     _dio = Dio(BaseOptions(
@@ -74,6 +86,28 @@ class WebDAVService {
     _username = null;
   }
 
+// ✅ 新增：获取认证头（用于 media_kit 播放）
+  Future<Map<String, String>> getAuthHeaders() async {
+    final prefs = await SharedPreferences.getInstance();
+    final username = prefs.getString(_keyUsername);
+    final password = prefs.getString(_keyPassword);
+
+    print('🔑 [getAuthHeaders] 读取到用户名: $username');
+    print('🔑 [getAuthHeaders] 密码存在: ${password != null}');
+    print('🔑 [getAuthHeaders] 密码长度: ${password?.length ?? 0}');
+
+    if (username != null && password != null) {
+      final credentials = '$username:$password';
+      final encoded = base64Encode(utf8.encode(credentials));
+      print('🔑 [getAuthHeaders] 生成的 Authorization 头: Basic $encoded');
+      return {
+        'Authorization': 'Basic $encoded',
+      };
+    }
+    print('⚠️ [getAuthHeaders] 用户名或密码为 null，返回空 Map');
+    return {};
+  }
+
   // 获取音乐文件列表（PROPFIND）
   Future<List<WebDAVItem>> listDirectory({String path = '/'}) async {
     if (_dio == null) throw Exception('WebDAV 未连接');