feat(call): 添加通话挂断消息处理和频道管理功能

- 添加 RTM 消息监听器处理挂断事件
- 实现 _handleHangupMessage 方法处理对方挂断逻辑
- 添加 _callChannelId 和 _callUid 成员变量管理通话频道信息
- 在发起和接听通话时清空之前的通话信息
- 在挂断通话时发送 RTM 挂断消息并取消订阅频道
- 在结束通话时清理保存的 channelId 和 uid
- 添加 OverlayController 依赖用于关闭通话小窗口
- 优化代码格式和打印日志的换行处理

lib/controller/message/call_controller.dart

@@ -15,6 +15,7 @@ import 'package:get/get.dart';
 import 'package:im_flutter_sdk/im_flutter_sdk.dart';
 import 'package:permission_handler/permission_handler.dart';
 
+import '../overlay_controller.dart';
 import 'chat_controller.dart';
 
 /// 通话类型
@@ -66,7 +67,7 @@ class CallController extends GetxController {
   }
 
   CallController({NetworkService? networkService})
-      : _networkService = networkService ?? Get.find<NetworkService>();
+    : _networkService = networkService ?? Get.find<NetworkService>();
 
   final NetworkService _networkService;
 
@@ -78,25 +79,29 @@ class CallController extends GetxController {
 
   // 当前正在进行的通话
   final Rx<CallSession?> currentCall = Rx<CallSession?>(null);
-  
+
   // 通话计时器（用于记录通话时长）
   Timer? _callTimer;
   int _callDurationSeconds = 0;
   final RxInt callDurationSeconds = RxInt(0);
-  
+
   // 远端用户UID（用于显示远端视频）
   final Rxn<int> remoteUid = Rxn<int>();
-  
+
   // 麦克风静音状态
   final RxBool isMicMuted = false.obs;
-  
+
   // 扬声器开启状态
   final RxBool isSpeakerOn = false.obs;
-  
+
   // 音频播放器（用于播放来电铃声）
   final AudioPlayer _callAudioPlayer = AudioPlayer();
   bool _isPlayingCallAudio = false;
 
+  // 当前通话的频道ID和UID（用于发送RTM消息）
+  String? _callChannelId;
+  int? _callUid;
+
   @override
   void onInit() {
     super.onInit();
@@ -105,14 +110,16 @@ class CallController extends GetxController {
     _callAudioPlayer.onPlayerComplete.listen((_) async {
       if (_isPlayingCallAudio) {
         // 如果还在播放状态，重新播放（循环播放）
-        await _callAudioPlayer.play(AssetSource(Assets.audioCall.replaceFirst('assets/', '')));
+        await _callAudioPlayer.play(
+          AssetSource(Assets.audioCall.replaceFirst('assets/', '')),
+        );
       }
     });
-    
+
     // 注册 RTM 消息监听器，用于接收通话相关的 RTM 消息
     _registerRtmMessageListener();
   }
-  
+
   /// 注册 RTM 消息监听器
   void _registerRtmMessageListener() {
     RTMManager.instance.onMessageEvent = (MessageEvent event) {
@@ -120,7 +127,7 @@ class CallController extends GetxController {
     };
     print('✅ [CallController] RTM 消息监听器已注册');
   }
-  
+
   /// 处理 RTM 消息
   void _handleRtmMessage(MessageEvent event) {
     try {
@@ -133,10 +140,10 @@ class CallController extends GetxController {
       } else {
         messageText = event.message.toString();
       }
-      
+
       final messageData = json.decode(messageText) as Map<String, dynamic>;
       print('📥 [CallController] 收到 RTM 消息: $messageData');
-      
+
       // 处理通话消息
       if (messageData['type'] == 'call_message') {
         final event = messageData['event'] as String?;
@@ -145,8 +152,14 @@ class CallController extends GetxController {
           final uid = messageData['uid'];
           if (uid != null) {
             remoteUid.value = uid is int ? uid : int.tryParse(uid.toString());
-            print('📞 [CallController] 收到 accept 消息，设置 remoteUid: ${remoteUid.value}');
+            print(
+              '📞 [CallController] 收到 accept 消息，设置 remoteUid: ${remoteUid.value}',
+            );
           }
+        } else if (event == 'hangup') {
+          // 收到挂断消息，执行退出逻辑
+          print('📞 [CallController] 收到 hangup 消息，执行退出逻辑');
+          _handleHangupMessage();
         }
       }
     } catch (e) {
@@ -213,22 +226,26 @@ class CallController extends GetxController {
       SmartDialog.showToast('已有通话正在进行中');
       return false;
     }
-    
-    // 清空之前的远端用户UID
+
+    // 清空之前的远端用户UID和通话信息
     remoteUid.value = null;
+    _callChannelId = null;
+    _callUid = null;
 
-    print('📞 [CallController] 发起${callType == CallType.video ? "视频" : "语音"}通话，目标用户: $targetUserId');
+    print(
+      '📞 [CallController] 发起${callType == CallType.video ? "视频" : "语音"}通话，目标用户: $targetUserId',
+    );
 
     // 发起通话前，先创建一对一 RTC 频道
     final type = callType == CallType.video ? 2 : 1; // 1为音频，2为视频
     final channelData = await createOneOnOneRtcChannel(type: type);
-    
+
     if (channelData == null) {
       print('❌ [CallController] 创建RTC频道失败，无法发起通话');
       SmartDialog.showToast('创建通话频道失败');
       return false;
     }
-    
+
     print('✅ [CallController] RTC频道创建成功: ${channelData.channelId}');
 
     // 创建通话会话
@@ -273,11 +290,11 @@ class CallController extends GetxController {
       rtcType: RTCType.call,
     );
     print('✅ [CallController] 已加入 RTC 频道: ${channelData.channelId}');
-    
+
     // 加入 RTC 频道后订阅 RTM 频道
     await RTMManager.instance.subscribe(channelData.channelId);
     print('✅ [CallController] 已订阅 RTM 频道: ${channelData.channelId}');
-    
+
     return true;
   }
 
@@ -297,10 +314,14 @@ class CallController extends GetxController {
     final callTypeStr = callInfo['callType'] as String?;
     final callType = callTypeStr == 'video' ? CallType.video : CallType.voice;
 
-    print('📞 [CallController] 接听${callType == CallType.video ? "视频" : "语音"}通话');
-    
-    // 清空之前的远端用户UID
+    print(
+      '📞 [CallController] 接听${callType == CallType.video ? "视频" : "语音"}通话',
+    );
+
+    // 清空之前的远端用户UID和通话信息
     remoteUid.value = null;
+    _callChannelId = null;
+    _callUid = null;
 
     // 创建通话会话
     final session = CallSession(
@@ -334,6 +355,9 @@ class CallController extends GetxController {
       return false;
     }
 
+    // 保存 channelId 为全局变量
+    _callChannelId = channelId;
+
     // 根据通话类型设置摄像头状态
     if (callType == CallType.voice) {
       // 语音通话：禁用视频（关闭摄像头）
@@ -443,6 +467,10 @@ class CallController extends GetxController {
     currentCall.value = null;
     remoteUid.value = null;
 
+    // 清理保存的 channelId 和 uid
+    _callChannelId = null;
+    _callUid = null;
+
     // TODO: 这里可以集成实际的通话SDK，结束通话
     // 例如：await RTCManager.instance.endCall();
 
@@ -519,10 +547,7 @@ class CallController extends GetxController {
       }
 
       // 创建新的消息体
-      final customBody = EMCustomMessageBody(
-        event: 'call',
-        params: callParams,
-      );
+      final customBody = EMCustomMessageBody(event: 'call', params: callParams);
 
       // 使用modifyMessage修改消息
       final success = await IMManager.instance.modifyMessage(
@@ -532,18 +557,24 @@ class CallController extends GetxController {
       );
 
       if (success) {
-        print('✅ [CallController] 消息修改成功: messageId=$messageId, callStatus=$callStatus');
-        
+        print(
+          '✅ [CallController] 消息修改成功: messageId=$messageId, callStatus=$callStatus',
+        );
+
         // 如果提供了chatController，更新本地消息列表
         if (chatController != null) {
           // 更新消息体中的参数
-          final index = chatController.messages.indexWhere((msg) => msg.msgId == messageId);
+          final index = chatController.messages.indexWhere(
+            (msg) => msg.msgId == messageId,
+          );
           if (index != -1) {
             final updatedMessage = chatController.messages[index];
             if (updatedMessage.body.type == MessageType.CUSTOM) {
               final customBody = updatedMessage.body as EMCustomMessageBody;
               // 创建新的参数Map并更新
-              final updatedParams = Map<String, String>.from(customBody.params ?? {});
+              final updatedParams = Map<String, String>.from(
+                customBody.params ?? {},
+              );
               updatedParams['callType'] = callType;
               updatedParams['callStatus'] = callStatus;
               if (callDuration != null) {
@@ -572,8 +603,8 @@ class CallController extends GetxController {
         return {
           'callType': params['callType'] ?? 'voice',
           'callStatus': params['callStatus'] ?? 'missed',
-          'callDuration': params['callDuration'] != null 
-              ? int.tryParse(params['callDuration']!) 
+          'callDuration': params['callDuration'] != null
+              ? int.tryParse(params['callDuration']!)
               : null,
           'channelId': params['channelId'],
         };
@@ -594,10 +625,12 @@ class CallController extends GetxController {
     if (_isPlayingCallAudio) {
       return; // 已经在播放中
     }
-    
+
     _isPlayingCallAudio = true;
     print('🔊 [CallController] 开始播放来电铃声');
-    await _callAudioPlayer.play(AssetSource(Assets.audioCall.replaceFirst('assets/', '')));
+    await _callAudioPlayer.play(
+      AssetSource(Assets.audioCall.replaceFirst('assets/', '')),
+    );
   }
 
   /// 停止播放来电铃声
@@ -606,7 +639,7 @@ class CallController extends GetxController {
     if (!_isPlayingCallAudio) {
       return; // 没有在播放
     }
-    
+
     _isPlayingCallAudio = false;
     print('🔇 [CallController] 停止播放来电铃声');
     await _callAudioPlayer.stop();
@@ -617,13 +650,18 @@ class CallController extends GetxController {
     final base = response.data;
     if (base.isSuccess && base.data != null) {
       rtcChannel.value = base.data;
-      
+
+      // 保存 UID 为全局变量
+      _callUid = base.data!.uid;
+
       // 订阅 RTM 频道
       await RTMManager.instance.subscribe(channelName);
-      
+
       // 获取当前通话信息
       final callSession = currentCall.value;
-      final callType = callSession?.callType == CallType.video ? 'video' : 'voice';
+      final callType = callSession?.callType == CallType.video
+          ? 'video'
+          : 'voice';
 
       // 发布 RTM 消息，包含 UID 和通话相关字段
       await RTMManager.instance.publishChannelMessage(
@@ -635,7 +673,7 @@ class CallController extends GetxController {
           'event': 'accept',
         }),
       );
-      
+
       await _joinRtcChannel(
         base.data!.token,
         channelName,
@@ -660,7 +698,7 @@ class CallController extends GetxController {
       role: roleType,
       rtcType: RTCType.call,
     );
-    
+
     final data = {
       'channelId': channelName,
       'seatNumber': 1,
@@ -683,7 +721,7 @@ class CallController extends GetxController {
     }
 
     final permanentlyDenied = statuses.values.any(
-          (status) => status.isPermanentlyDenied,
+      (status) => status.isPermanentlyDenied,
     );
     if (permanentlyDenied) {
       SmartDialog.showToast('请在系统设置中开启摄像头和麦克风权限');
@@ -710,15 +748,72 @@ class CallController extends GetxController {
 
   /// 挂断通话
   Future<void> hangUpCall() async {
+    // 发送 RTM 挂断消息
+    if (_callChannelId != null &&
+        _callChannelId!.isNotEmpty &&
+        _callUid != null) {
+      final callSession = currentCall.value;
+      final callType = callSession?.callType == CallType.video
+          ? 'video'
+          : 'voice';
+
+      await RTMManager.instance.publishChannelMessage(
+        channelName: _callChannelId!,
+        message: json.encode({
+          'type': 'call_message',
+          'uid': _callUid!,
+          'callType': callType,
+          'event': 'hangup',
+        }),
+      );
+      print(
+        '✅ [CallController] 已发送 RTM 挂断消息，channelId: $_callChannelId, uid: $_callUid',
+      );
+    }
+
     // 离开RTC频道
     await RTCManager.instance.leaveChannel();
-    
+
+    // 取消订阅 RTM 频道
+    if (_callChannelId != null && _callChannelId!.isNotEmpty) {
+      await RTMManager.instance.unsubscribe(_callChannelId!);
+      print('✅ [CallController] 已取消订阅 RTM 频道: $_callChannelId');
+    }
+
     // 结束通话（传递通话时长）
     await endCall(callDuration: callDurationSeconds.value);
-    
+
     print('✅ [CallController] 通话已挂断');
   }
 
+  /// 处理挂断消息（对方挂断时调用）
+  Future<void> _handleHangupMessage() async {
+    // 离开RTC频道
+    await RTCManager.instance.leaveChannel();
+
+    // 取消订阅 RTM 频道
+    if (_callChannelId != null && _callChannelId!.isNotEmpty) {
+      await RTMManager.instance.unsubscribe(_callChannelId!);
+      print('✅ [CallController] 已取消订阅 RTM 频道: $_callChannelId');
+    }
+
+    // 结束通话
+    await endCall(callDuration: callDurationSeconds.value);
+
+    // 关闭通话小窗口
+    if (Get.isRegistered<OverlayController>()) {
+      final overlayController = Get.find<OverlayController>();
+      overlayController.hideVideoCall();
+      print('✅ [CallController] 已关闭通话小窗口');
+    }
+
+    // 退出 VideoCallPage（如果当前在 VideoCallPage）
+    if (Get.currentRoute.contains('VideoCallPage')) {
+      Get.back();
+      print('✅ [CallController] 已退出 VideoCallPage');
+    }
+  }
+
   @override
   void onClose() {
     stopCallAudio();
@@ -728,6 +823,8 @@ class CallController extends GetxController {
     remoteUid.value = null;
     isMicMuted.value = false;
     isSpeakerOn.value = false;
+    _callChannelId = null;
+    _callUid = null;
     _callAudioPlayer.dispose();
     super.onClose();
   }