dating_touchme_app/lib/controller/message/call_controller.dart

import 'dart:async';
import 'package:agora_rtc_engine/agora_rtc_engine.dart';
import 'package:audioplayers/audioplayers.dart';
import 'package:dating_touchme_app/generated/assets.dart';
import 'package:dating_touchme_app/model/rtc/chat_audio_product_model.dart';
import 'package:dating_touchme_app/model/rtc/rtc_channel_data.dart';
import 'package:dating_touchme_app/network/network_service.dart';
import 'package:dating_touchme_app/rtc/rtc_manager.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:im_flutter_sdk/im_flutter_sdk.dart';
import 'package:permission_handler/permission_handler.dart';

import '../../widget/live/live_recharge_popup.dart';
import '../discover/room_controller.dart';
import '../overlay_controller.dart';
import 'chat_controller.dart';

/// 通话类型
enum CallType {
  voice, // 语音通话
  video, // 视频通话
}

/// 通话状态
enum CallStatus {
  waitCalling, // 等待接通
  calling, // 通话中
  missed, // 未接听
  cancelled, // 已取消
  rejected, // 已拒绝
}

/// 通话会话信息
class CallSession {
  final String targetUserId;
  final CallType callType;
  final CallStatus status;
  final bool isInitiator; // 是否是发起方
  final DateTime startTime;
  DateTime? endTime;

  CallSession({
    required this.targetUserId,
    required this.callType,
    required this.status,
    required this.isInitiator,
    required this.startTime,
    this.endTime,
  });

  /// 获取通话时长（秒）
  int get duration {
    final end = endTime ?? DateTime.now();
    return end.difference(startTime).inSeconds;
  }
}

/// 通话相关控制器
class CallController extends GetxController {
  static CallController? _instance;
  static CallController get instance {
    if (_instance != null) {
      return _instance!;
    }
    // 如果 GetX 中已注册，使用 Get.find 获取
    if (Get.isRegistered<CallController>()) {
      _instance = Get.find<CallController>();
      return _instance!;
    }
    // 否则创建新实例并注册
    _instance = Get.put(CallController(), permanent: true);
    return _instance!;
  }

  CallController({NetworkService? networkService})
    : _networkService = networkService ?? Get.find<NetworkService>();

  final NetworkService _networkService;

  /// 当前频道信息
  final Rxn<RtcChannelData> rtcChannel = Rxn<RtcChannelData>();

  /// 是否正在创建频道
  final RxBool isCreatingChannel = false.obs;

  // 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);

  // 通话超时计时器（发起方等待对方接听的30秒超时）
  Timer? _callTimeoutTimer;

  // 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();
    print('📞 [CallController] 通话控制器已初始化');
    // 监听音频播放完成事件，实现循环播放
    _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/', '')),
        );
      }
    });

    // RTM 消息监听器已移除，通话相关消息改为通过onMessageContentChanged处理
  }

  /// 创建一对一RTC频道
  /// [type] 1为音频，2为视频
  Future<RtcChannelData?> createOneOnOneRtcChannel({
    required int type,
    required String toUserId,
  }) async {
    if (isCreatingChannel.value) {
      print('⚠️ 正在创建频道，请稍候');
      return null;
    }

    // 验证 type 参数
    if (type != 2 && type != 3) {
      SmartDialog.showToast('类型参数错误：1为音频，2为视频');
      return null;
    }

    // 检查权限：语音通话需要麦克风，视频通话需要摄像头和麦克风
    final hasPermission = await _ensureCallPermissions(type);
    if (!hasPermission) {
      print('❌ [CallController] 权限检查失败，无法创建通话频道');
      return null;
    }

    isCreatingChannel.value = true;

    final response = await _networkService.rtcApi.createOneOnOneRtcChannel({
      'type': type,
      'toUserId': toUserId,
    });
    if (response.data.isSuccess && response.data.data != null) {
      if (!response.data.data!.success && response.data.data!.code == 'E0002') {
        // 玫瑰不足，显示 toast 并弹出充值弹框
        SmartDialog.showToast('玫瑰不足请充值');
        Get.log('❌ 送礼失败: ${response.data.data}');
        // 使用 addPostFrameCallback 确保在下一帧显示弹框，避免与 toast 冲突
        WidgetsBinding.instance.addPostFrameCallback((_) {
          SmartDialog.show(
            alignment: Alignment.bottomCenter,
            maskColor: Colors.black.withOpacity(0.5),
            builder: (_) => const LiveRechargePopup(),
          );
        });
        return null;
      }
      rtcChannel.value = response.data.data;
      print('✅ 创建一对一RTC频道成功: ${response.data.data?.channelId}');
      isCreatingChannel.value = false;
      return response.data.data;
    } else {
      final message = response.data.message.isNotEmpty
          ? response.data.message
          : '创建频道失败';
      SmartDialog.showToast(message);
      print('❌ 创建一对一RTC频道失败: $message');
      isCreatingChannel.value = false;
      return null;
    }
  }

  /// 获取聊天音频产品列表
  /// [toUserId] 目标用户ID
  Future<List<ChatAudioProductModel>?> listChatAudioProduct(String toUserId) async {
    try {
      final response = await _networkService.rtcApi.listChatAudioProduct(toUserId);
      if (response.data.isSuccess) {
        print('✅ [CallController] 获取聊天音频产品列表成功');
        return response.data.data;
      } else {
        final message = response.data.message.isNotEmpty
            ? response.data.message
            : '获取聊天音频产品列表失败';
        SmartDialog.showToast(message);
        print('❌ [CallController] 获取聊天音频产品列表失败: $message');
        return null;
      }
    } catch (e) {
      SmartDialog.showToast('网络请求失败，请重试');
      print('❌ [CallController] 获取聊天音频产品列表异常: $e');
      return null;
    }
  }

  /// 发起通话
  /// [targetUserId] 目标用户ID
  /// [callType] 通话类型：语音或视频
  /// [chatController] 聊天控制器，用于发送通话消息
  Future<bool> initiateCall({
    required String targetUserId,
    required CallType callType,
    ChatController? chatController,
  }) async {
    if (currentCall.value != null) {
      SmartDialog.showToast('当前正在通话中');
      return false;
    }

    // 检查是否在直播间
    try {
      if (Get.isRegistered<RoomController>()) {
        final roomController = Get.find<RoomController>();
        if (roomController.isLive.value) {
          SmartDialog.showToast('请先退出直播间');
          print('⚠️ [CallController] 当前在直播间，无法发起通话');
          return false;
        }
      }
    } catch (e) {
      // 忽略错误，继续处理发起通话逻辑
      print('⚠️ [CallController] 检查直播间状态失败: $e');
    }

    // 清空之前的远端用户UID和通话信息
    remoteUid.value = null;

    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 ? 3 : 2; // 1为音频，2为视频
    final channelData = await createOneOnOneRtcChannel(
      type: type,
      toUserId: targetUserId,
    );
    _callUid = channelData?.uid;
    _callChannelId = channelData?.channelId;
    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
    final session = CallSession(
      targetUserId: targetUserId,
      callType: callType,
      status: CallStatus.waitCalling,
      isInitiator: true,
      startTime: DateTime.now(),
    );
    currentCall.value = session;

    // 发送通话消息（发起）
    final callTypeStr = callType == CallType.video ? 'video' : 'voice';
    await _sendCallMessage(
      targetUserId: targetUserId,
      callType: callTypeStr,
      callStatus: 'waitCalling', // 初始状态为未接听，等待对方响应
      channelId: channelData.channelId, // 传递频道ID
      chatController: chatController,
      uid: channelData.uid,
    );

    startCallAudio();

    // 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）
      await RTCManager.instance.disableVideo();
      print('📞 [CallController] 语音通话，已关闭摄像头');
    } else {
      // 视频通话：启用视频（打开摄像头）
      await RTCManager.instance.enableVideo();
      print('📞 [CallController] 视频通话，已打开摄像头');
    }

    // 加入 RTC 频道，发起真正的通话
    await RTCManager.instance.joinChannel(
      token: channelData.token,
      channelId: channelData.channelId,
      uid: channelData.uid,
      role: ClientRoleType.clientRoleBroadcaster,
      rtcType: RTCType.call,
    );
    print('✅ [CallController] 已加入 RTC 频道: ${channelData.channelId}');

    // 启动30秒超时计时器（如果30秒内对方未接听，自动取消通话）
    _startCallTimeoutTimer();

    return true;
  }

  /// 接听通话
  /// [message] 通话消息
  /// [chatController] 聊天控制器，用于更新通话消息
  Future<bool> acceptCall({
    required EMMessage message,
    ChatController? chatController,
  }) async {
    // 检查是否在直播间
    try {
      if (Get.isRegistered<RoomController>()) {
        final roomController = Get.find<RoomController>();
        if (roomController.isLive.value) {
          SmartDialog.showToast('请先退出直播间再接听');
          print('⚠️ [CallController] 当前在直播间，无法接听通话');
          return false;
        }
      }
    } catch (e) {
      // 忽略错误，继续处理接听逻辑
      print('⚠️ [CallController] 检查直播间状态失败: $e');
    }

    final callInfo = _parseCallInfo(message);
    if (callInfo == null) {
      return false;
    }

    final targetUserId = message.from ?? '';
    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和通话信息
    remoteUid.value = null;
    _callChannelId = null;
    _callUid = null;

    // 创建通话会话
    final session = CallSession(
      targetUserId: targetUserId,
      callType: callType,
      status: CallStatus.calling,
      isInitiator: false,
      startTime: DateTime.now(),
    );
    currentCall.value = session;

    // 停止播放来电铃声（已接通）
    stopCallAudio();

    // 开始计时
    _startCallTimer();

    // 从通话信息中获取 channelId 和 uid
    final channelId = callInfo['channelId'] as String?;
    if (channelId == null || channelId.isEmpty) {
      print('❌ [CallController] channelId 为空，无法加入 RTC 频道');
      SmartDialog.showToast('频道ID不存在');
      return false;
    }

    // 保存 channelId 为全局变量
    _callChannelId = channelId;

    // 调用连接一对一RTC频道接口
    final connectResponse = await _networkService.rtcApi
        .connectOneOnOneRtcChannel({'channelId': channelId});
    if (!connectResponse.data.isSuccess) {
      SmartDialog.showToast(connectResponse.data.message);
      return false;
    }
    if (!connectResponse.data.data!['success'] && connectResponse.data.data!['code'] == 'E0002') {
      // 玫瑰不足，显示 toast 并弹出充值弹框
      SmartDialog.showToast('玫瑰不足请充值');
      // 使用 addPostFrameCallback 确保在下一帧显示弹框，避免与 toast 冲突
      WidgetsBinding.instance.addPostFrameCallback((_) {
        SmartDialog.show(
          alignment: Alignment.bottomCenter,
          maskColor: Colors.black.withOpacity(0.5),
          builder: (_) => const LiveRechargePopup(),
        );
      });
      return false;
    }
    print('✅ [CallController] 已调用连接一对一RTC频道接口，channelId: $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）
      await RTCManager.instance.disableVideo();
      print('📞 [CallController] 语音通话，已关闭摄像头');
    } else {
      // 视频通话：启用视频（打开摄像头）
      await RTCManager.instance.enableVideo();
      print('📞 [CallController] 视频通话，已打开摄像头');
    }

    // 获取 RTC token 并加入频道
    final response = await _networkService.rtcApi.getSwRtcToken(channelId);
    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;

      await _joinRtcChannel(
        base.data!.token,
        channelId,
        base.data!.uid,
        ClientRoleType.clientRoleBroadcaster,
      );

      // 从消息中获取发起方的 uid，设置为远端用户 UID
      final initiatorUid = callInfo['uid'] as int?;
      if (initiatorUid != null) {
        remoteUid.value = initiatorUid;
        print(
          '📞 [CallController] 从消息中获取到发起方 UID: $initiatorUid，已设置 remoteUid',
        );
      }
    } else {
      SmartDialog.showToast('获取RTC token失败');
      return false;
    }

    return true;
  }

  /// 拒绝通话
  /// [message] 通话消息
  /// [chatController] 聊天控制器，用于更新通话消息
  Future<bool> rejectCall({
    required EMMessage message,
    ChatController? chatController,
  }) async {
    print('📞 [CallController] 拒绝通话');

    // 停止播放来电铃声（已拒绝）
    stopCallAudio();

    // 从消息中获取 channelId
    String? channelId;
    if (message.body is EMCustomMessageBody) {
      final customBody = message.body as EMCustomMessageBody;
      final params = customBody.params;
      if (params != null && params.containsKey('channelId')) {
        channelId = params['channelId']?.toString();
      }
    }

    // 如果有 channelId，调用拒绝接口
    if (channelId != null && channelId.isNotEmpty) {
      final response = await _networkService.rtcApi.refuseOneOnOneRtcChannel({
        'channelId': channelId,
      });
      if (!response.data.isSuccess) {
        SmartDialog.showToast(response.data.message);
        return false;
      }
      print('✅ [CallController] 已调用拒绝一对一RTC频道接口，channelId: $channelId');
      // 服务端会自动修改消息callStatus为'rejected'，客户端通过onMessageContentChanged收到通知
    }

    // 清理通话会话
    currentCall.value = null;

    return true;
  }

  /// 结束通话（通话完成）
  /// [callDuration] 通话时长（秒）
  /// [chatController] 聊天控制器，用于更新通话消息
  Future<bool> endCall({
    required int callDuration,
    EMMessage? message,
    ChatController? chatController,
  }) async {
    print('📞 [CallController] 结束通话，时长: ${callDuration}秒');

    // 停止播放来电铃声（通话结束）
    stopCallAudio();

    // 停止计时和超时计时器
    _stopCallTimer();
    _stopCallTimeoutTimer();

    // 清理通话会话和远端用户UID
    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();

    return true;
  }

  /// 开始通话计时
  void _startCallTimer() {
    _callDurationSeconds = 0;
    callDurationSeconds.value = 0;
    _callTimer?.cancel();
    _callTimer = Timer.periodic(Duration(seconds: 1), (timer) {
      _callDurationSeconds++;
      callDurationSeconds.value = _callDurationSeconds;
    });
  }

  /// 停止通话计时
  void _stopCallTimer() {
    _callTimer?.cancel();
    _callTimer = null;
    _callDurationSeconds = 0;
    callDurationSeconds.value = 0;
  }

  /// 启动通话超时计时器（30秒后如果对方未接听，自动取消通话）
  void _startCallTimeoutTimer() {
    _callTimeoutTimer?.cancel();
    _callTimeoutTimer = Timer(Duration(seconds: 30), () {
      final callSession = currentCall.value;
      // 如果是发起方且对方未接听（通话时长仍为0且remoteUid为null），自动取消通话
      if (callSession != null &&
          callSession.isInitiator &&
          callDurationSeconds.value == 0 &&
          remoteUid.value == null) {
        print('⏰ [CallController] 30秒超时，对方未接听，自动取消通话');
        hangUpCall();
      }
    });
  }

  /// 停止通话超时计时器
  void _stopCallTimeoutTimer() {
    _callTimeoutTimer?.cancel();
    _callTimeoutTimer = null;
  }

  /// 发送通话消息
  Future<bool> _sendCallMessage({
    required String targetUserId,
    required String callType,
    required String callStatus,
    int? callDuration,
    int? uid,
    String? channelId,
    ChatController? chatController,
  }) async {
    // 如果提供了 chatController，使用它发送消息
    return await chatController!.sendCallMessage(
      callType: callType,
      callStatus: callStatus,
      callDuration: callDuration,
      channelId: channelId,
      uid: uid,
    );
  }

  /// 从自定义消息中解析通话信息
  Map<String, dynamic>? _parseCallInfo(EMMessage message) {
    if (message.body.type == MessageType.CUSTOM) {
      final customBody = message.body as EMCustomMessageBody;
      if (customBody.event == 'call' && customBody.params != null) {
        final params = customBody.params!;
        return {
          'callType': params['callType'] ?? 'voice',
          'callStatus': params['callStatus'] ?? 'missed',
          'callDuration': params['callDuration'] != null
              ? int.tryParse(params['callDuration']!)
              : null,
          'channelId': params['channelId'],
          'uid': params['uid'] != null ? int.tryParse(params['uid']!) : null,
        };
      }
    }
    return null;
  }

  /// 检查是否有正在进行的通话
  bool get isInCall => currentCall.value != null;

  /// 获取当前通话时长（秒）
  int get currentCallDuration => callDurationSeconds.value;

  /// 开始播放来电铃声（循环播放）
  /// 可以是发起方或接收方调用
  Future<void> startCallAudio() async {
    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/', '')),
    );
  }

  /// 停止播放来电铃声
  /// 可以是发起方或接收方调用
  Future<void> stopCallAudio() async {
    if (!_isPlayingCallAudio) {
      return; // 没有在播放
    }

    _isPlayingCallAudio = false;
    print('🔇 [CallController] 停止播放来电铃声');
    await _callAudioPlayer.stop();
  }

  Future<void> joinChannel(String channelName) async {
    final response = await _networkService.rtcApi.getSwRtcToken(channelName);
    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;

      await _joinRtcChannel(
        base.data!.token,
        channelName,
        base.data!.uid,
        ClientRoleType.clientRoleBroadcaster,
      );
      // 服务端会自动修改消息callStatus为'calling'，客户端通过onMessageContentChanged收到通知
    }
  }

  Future<void> _joinRtcChannel(
    String token,
    String channelName,
    int uid,
    ClientRoleType roleType,
  ) async {
    final granted = await _ensureRtcPermissions();
    if (!granted) return;
    await RTCManager.instance.joinChannel(
      token: token,
      channelId: channelName,
      uid: uid,
      role: roleType,
      rtcType: RTCType.call,
    );
    print('✅ [CallController] 已加入 RTC 频道: $channelName');
  }

  /// 检查通话权限
  /// [type] 2=语音通话，3=视频通话
  Future<bool> _ensureCallPermissions(int type) async {
    if (type == 2) {
      // 语音通话：只需要麦克风权限
      final micStatus = await Permission.microphone.request();
      if (micStatus.isGranted) {
        return true;
      }
      
      if (micStatus.isPermanentlyDenied) {
        SmartDialog.showToast('请在系统设置中开启麦克风权限');
        await openAppSettings();
      } else {
        SmartDialog.showToast('请允许麦克风权限以进行语音通话');
      }
      return false;
    } else if (type == 3) {
      // 视频通话：需要摄像头和麦克风权限
      final statuses = await [Permission.camera, Permission.microphone].request();
      final allGranted = statuses.values.every((status) => status.isGranted);
      if (allGranted) {
        return true;
      }

      final permanentlyDenied = statuses.values.any(
        (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');
        await openAppSettings();
      } else {
        SmartDialog.showToast('请允许摄像头和麦克风权限以进行视频通话');
      }
      return false;
    }
    return false;
  }

  Future<bool> _ensureRtcPermissions() async {
    final statuses = await [Permission.camera, Permission.microphone].request();
    final allGranted = statuses.values.every((status) => status.isGranted);
    if (allGranted) {
      return true;
    }

    final permanentlyDenied = statuses.values.any(
      (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');
      await openAppSettings();
    } else {
      SmartDialog.showToast('请允许摄像头和麦克风权限以进入房间');
    }
    return false;
  }

  /// 切换麦克风状态
  Future<void> toggleMic() async {
    isMicMuted.value = !isMicMuted.value;
    await RTCManager.instance.muteLocalAudio(isMicMuted.value);
    print('📞 [CallController] 麦克风${isMicMuted.value ? "已静音" : "已取消静音"}');
  }

  /// 切换扬声器状态
  Future<void> toggleSpeaker() async {
    isSpeakerOn.value = !isSpeakerOn.value;
    await RTCManager.instance.setEnableSpeakerphone(isSpeakerOn.value);
    print('📞 [CallController] 扬声器${isSpeakerOn.value ? "已开启" : "已关闭"}');
  }

  /// 挂断通话
  Future<void> hangUpCall() async {
    final callSession = currentCall.value;

    // 取消超时计时器
    _stopCallTimeoutTimer();

    // 如果是发起方且处于呼叫中状态（对方还没接听），先调用取消接口
    if (callSession != null &&
        callSession.isInitiator &&
        callDurationSeconds.value == 0 &&
        _callChannelId != null &&
        _callChannelId!.isNotEmpty) {
      try {
        final response = await _networkService.rtcApi.cancelOneOnOneRtcChannel({
          'channelId': _callChannelId!,
        });
        if (response.data.isSuccess) {
          print('✅ [CallController] 已调用取消一对一RTC频道接口，channelId: $_callChannelId');
        } else {
          print('⚠️ [CallController] 取消一对一RTC频道接口失败: ${response.data.message}');
        }
      } catch (e) {
        print('⚠️ [CallController] 调用取消接口异常: $e');
      }
    } else if (callSession != null &&
        callDurationSeconds.value > 0 &&
        _callChannelId != null &&
        _callChannelId!.isNotEmpty) {
      // 如果通话已接通（无论是发起方还是接收方），调用终止接口
      try {
        final response = await _networkService.rtcApi.terminateOneOnOneRtcChannel(
          {'channelId': _callChannelId!},
        );
        if (response.data.isSuccess) {
          print('✅ [CallController] 已调用终止一对一RTC频道接口，channelId: $_callChannelId');
        } else {
          print('⚠️ [CallController] 终止一对一RTC频道接口失败: ${response.data.message}');
        }
      } catch (e) {
        print('⚠️ [CallController] 调用终止接口异常: $e');
      }
    }

    // 离开RTC频道
    try {
      await RTCManager.instance.leaveChannel();
    } catch (e) {
      print('⚠️ [CallController] 离开RTC频道异常: $e');
    }

    // 服务端会自动修改消息callStatus为'cancelled'或'terminated'，客户端通过onMessageContentChanged收到通知

    // 结束通话（传递通话时长）
    await endCall(callDuration: callDurationSeconds.value);

    // 关闭视频通话邀请弹框（如果正在显示）
    SmartDialog.dismiss();

    // 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');
    }

    print('✅ [CallController] 通话已挂断');
  }

  /// 处理通话消息callStatus变化（通过onMessageContentChanged调用）
  Future<void> handleCallStatusChange({
    required EMMessage message,
    required String callStatus,
    String? channelId,
    int? uid,
    int? callDuration,
  }) async {
    print(
      '📞 [CallController] 处理callStatus变化: callStatus=$callStatus, channelId=$channelId',
    );

    // 对于 cancelled 和 terminated 状态，即使没有 currentCall，也要处理（关闭小窗口等）
    if (callStatus == 'cancelled' || callStatus == 'terminated') {
      final callSession = currentCall.value;
      // 如果有 channelId，验证是否匹配当前通话（如果存在）
      if (callSession != null && channelId != null && channelId.isNotEmpty && _callChannelId != channelId) {
        print(
          '⚠️ [CallController] channelId不匹配，忽略callStatus变化: 当前=$_callChannelId, 消息=$channelId',
        );
        return;
      }
      
      // 处理取消/终止状态（即使没有 callSession 也要关闭小窗口）
      print(
        '📞 [CallController] 通话被取消/终止，callStatus=$callStatus, hasCallSession=${callSession != null}',
      );

      // 关闭视频通话邀请弹框（如果正在显示）
      SmartDialog.dismiss();
      print('✅ [CallController] 已关闭视频通话邀请弹框');

      // 取消超时计时器
      _stopCallTimeoutTimer();

      // 停止播放来电铃声
      stopCallAudio();

      // 停止通话计时器
      _stopCallTimer();

      // 离开RTC频道
      await RTCManager.instance.leaveChannel();

      // 如果有通话会话，结束通话
      if (callSession != null) {
        await endCall(callDuration: 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');
      }
      
      return;
    }

    // 对于其他状态，需要检查是否有进行中的通话
    final callSession = currentCall.value;
    if (callSession == null) {
      print('⚠️ [CallController] 当前没有进行中的通话，忽略callStatus变化');
      return;
    }

    // 如果提供了channelId，验证是否匹配当前通话
    if (channelId != null &&
        channelId.isNotEmpty &&
        _callChannelId != channelId) {
      print(
        '⚠️ [CallController] channelId不匹配，忽略callStatus变化: 当前=$_callChannelId, 消息=$channelId',
      );
      return;
    }

    try {
      if (callStatus == 'calling') {
        // 通话接通
        print('📞 [CallController] 通话已接通，callStatus=$callStatus');

        // 如果是发起方，设置远端用户UID并启动计时器
        if (callSession.isInitiator) {
          // 停止播放来电铃声（对方已接听）
          stopCallAudio();
          // 取消超时计时器（对方已接听）
          _stopCallTimeoutTimer();
          // 启动通话计时器
          _startCallTimer();
          print('📞 [CallController] 已启动通话计时器');
          // remoteUid 会由 RTCManager 的 onUserJoined 事件自动设置
          // 如果此时还没有设置，尝试从 RTCManager 的 remoteUsersNotifier 中获取
          if (remoteUid.value == null) {
            final rtcManager = RTCManager.instance;
            final remoteUsers = rtcManager.remoteUsersNotifier.value;
            if (remoteUsers.isNotEmpty) {
              remoteUid.value = remoteUsers.first;
              print(
                '📞 [CallController] 从 RTCManager.remoteUsersNotifier 获取到 remoteUid: ${remoteUsers.first}',
              );
            } else if (uid != null) {
              // 如果 RTCManager 还没有远端用户，使用消息中的 uid 作为备用
              remoteUid.value = uid;
              print('📞 [CallController] 使用消息中的 uid 设置 remoteUid: $uid');
            }
          }
        }
      } else if (callStatus == 'rejected') {
        // 通话被拒绝
        print('📞 [CallController] 通话被拒绝，callStatus=$callStatus');

        // 如果是发起方，执行退出逻辑
        if (callSession.isInitiator) {
          // 取消超时计时器（对方已拒绝）
          _stopCallTimeoutTimer();
          // 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');
          }
          // 结束通话
          await endCall(callDuration: callDurationSeconds.value);
        }
      }
      // 注意：cancelled 和 terminated 状态已在方法开头处理，这里不再重复处理
    } catch (e) {
      print('❌ [CallController] 处理callStatus变化失败: $e');
    }
  }

  @override
  void onClose() {
    stopCallAudio();
    _stopCallTimer();
    _stopCallTimeoutTimer();
    currentCall.value = null;
    rtcChannel.value = null;
    remoteUid.value = null;
    isMicMuted.value = false;
    isSpeakerOn.value = false;
    _callChannelId = null;
    _callUid = null;
    _callAudioPlayer.dispose();
    super.onClose();
  }
}