dating_touchme_app/lib/controller/discover/room_controller.dart

import 'dart:convert';

import 'package:agora_rtc_engine/agora_rtc_engine.dart';
import 'package:dating_touchme_app/controller/global.dart';
import 'package:dating_touchme_app/model/live/gift_product_model.dart';
import 'package:dating_touchme_app/model/rtc/rtc_channel_data.dart';
import 'package:dating_touchme_app/model/rtc/rtc_channel_detail.dart';
import 'package:dating_touchme_app/network/network_service.dart';
import 'package:dating_touchme_app/rtc/rtc_manager.dart';
import 'package:dating_touchme_app/rtc/rtm_manager.dart';
import 'package:dating_touchme_app/service/live_chat_message_service.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';

import '../../model/live/live_chat_message.dart';
import '../../pages/mine/real_name_page.dart';
import '../../pages/setting/match_league_page.dart';
import '../../pages/setting/match_spread_page.dart';
import 'svga_player_manager.dart';

// 当前角色
enum CurrentRole {
  broadcaster, //主持
  maleAudience, //男嘉宾
  femaleAudience, //女嘉宾
  audience, //观众
  normalUser, //普通用户
}

/// 直播房间相关控制器
class RoomController extends GetxController with WidgetsBindingObserver {
  RoomController({NetworkService? networkService})
    : _networkService = networkService ?? Get.find<NetworkService>();

  final NetworkService _networkService;
  CurrentRole currentRole = CurrentRole.normalUser;
  var isLive = false.obs;
  var matchmakerFlag = false.obs;

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

  /// 聊天消息列表
  final RxList<LiveChatMessage> chatMessages = <LiveChatMessage>[].obs;

  /// 礼物产品列表
  final RxList<GiftProductModel> giftProducts = <GiftProductModel>[].obs;

  /// 消息服务实例
  final LiveChatMessageService _messageService =
      LiveChatMessageService.instance;

  // matchmakerFlag

  @override
  void onInit() {
    super.onInit();
    WidgetsBinding.instance.addObserver(this);
    matchmakerFlag.value = GlobalData().userData!.matchmakerFlag!;
    // 注册消息监听
    _registerMessageListener();
    // 加载礼物产品列表
    loadGiftProducts();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      // print('_handleAppResumed');
    }
  }

  @override
  void onClose() {
    super.onClose();
    WidgetsBinding.instance.removeObserver(this);
    // 移除消息监听
    _messageService.unregisterMessageListener();
  }

  /// 注册消息监听
  void _registerMessageListener() {
    _messageService.registerMessageListener(
      onMessageReceived: (message) {
        _addMessage(message);
      },
      onMessageError: (error) {
        print('❌ 消息处理错误: $error');
      },
    );
  }

  /// 添加消息到列表（带去重和数量限制）
  void _addMessage(LiveChatMessage message) {
    // 去重：检查是否已存在相同的消息（基于 userId + content + timestamp）
    final exists = chatMessages.any(
      (m) =>
          m.userId == message.userId &&
          m.content == message.content &&
          (m.timestamp - message.timestamp).abs() < 1000,
    ); // 1秒内的相同消息视为重复

    if (exists) {
      print('⚠️ 消息已存在，跳过添加');
      return;
    }

    chatMessages.add(message);
    print('✅ 消息已添加到列表，当前消息数: ${chatMessages.length}');

    // 限制消息数量，最多保留100条
    if (chatMessages.length > 300) {
      chatMessages.removeAt(0);
      print('📝 消息列表已满，移除最旧的消息');
    }
  }

  /// 调用接口创建 RTC 频道
  Future<void> createRtcChannel() async {
    if (isLive.value) {
      return;
    }
    final granted = await _ensureRtcPermissions();
    if (!granted) return;

    try {
      final response = await _networkService.rtcApi.createRtcChannel();
      final base = response.data;
      if (base.isSuccess && base.data != null) {
        rtcChannel.value = base.data;
        currentRole = CurrentRole.broadcaster;
        isLive.value = true;
        await _joinRtcChannel(
          base.data!.token,
          base.data!.channelId,
          base.data!.uid,
          ClientRoleType.clientRoleBroadcaster,
        );
      } else {
        final message = base.message.isNotEmpty ? base.message : '创建频道失败';
        SmartDialog.showToast(message);
      }
    } catch (e) {
      SmartDialog.showToast('创建频道异常：$e');
    }
  }

  Future<void> joinChannel(String channelName) async {
    try {
      final response = await _networkService.rtcApi.getSwRtcToken(channelName);
      final base = response.data;
      if (base.isSuccess && base.data != null) {
        rtcChannel.value = base.data;
        currentRole = CurrentRole.normalUser;
        await _joinRtcChannel(
          base.data!.token,
          channelName,
          base.data!.uid,
          ClientRoleType.clientRoleAudience,
        );
      }
    } catch (e) {
      SmartDialog.showToast('加入频道异常：$e');
    }
  }

  Future<void> _joinRtcChannel(
    String token,
    String channelName,
    int uid,
    ClientRoleType roleType,
  ) async {
    try {
      await _fetchRtcChannelDetail(channelName);
      await RTCManager.instance.joinChannel(
        token: token,
        channelId: channelName,
        uid: uid,
        role: roleType,
      );
    } catch (e) {
      SmartDialog.showToast('加入频道失败：$e');
    }
  }

  Future<void> joinChat(CurrentRole role) async {
    final data = {
      'channelId': RTCManager.instance.currentChannelId,
      'seatNumber': role == CurrentRole.maleAudience ? 1 : 2,
      'isMicrophoneOn': role != CurrentRole.normalUser ? true : false,
      'isVideoOn':
          role == CurrentRole.maleAudience || role == CurrentRole.femaleAudience
          ? true
          : false,
    };
    final response = await _networkService.rtcApi.connectRtcChannel(data);
    if (!response.data.isSuccess) {
      SmartDialog.showToast(response.data.message);
      return;
    }
    if (!response.data.data['success']) {
      SmartDialog.showToast('积分不足');
      return;
    }
    currentRole = role;
    if (role == CurrentRole.maleAudience ||
        role == CurrentRole.femaleAudience) {
      await RTCManager.instance.publishVideo(role);
    } else {
      await RTCManager.instance.publishAudio();
    }
    RtcSeatUserInfo userInfo = RtcSeatUserInfo(
      uid: rtcChannel.value?.uid,
      miId: GlobalData().userData?.id ?? '',
      userId: GlobalData().userData?.id ?? '',
      nickName: GlobalData().userData?.nickName ?? '',
      profilePhoto: GlobalData().userData?.profilePhoto ?? '',
      seatNumber: role == CurrentRole.maleAudience ? 1 : 2,
      isFriend: false,
      isMicrophoneOn: true,
      isVideoOn:
          role == CurrentRole.maleAudience || role == CurrentRole.femaleAudience
          ? true
          : false,
      genderCode: GlobalData().userData?.genderCode ?? 0,
    );
    final newDetail = RtcChannelDetail(
      channelId: rtcChannelDetail.value!.channelId,
      anchorInfo: rtcChannelDetail.value!.anchorInfo,
      maleInfo: role == CurrentRole.maleAudience
          ? userInfo
          : rtcChannelDetail.value?.maleInfo,
      femaleInfo: role == CurrentRole.femaleAudience
          ? userInfo
          : rtcChannelDetail.value?.femaleInfo,
    );
    rtcChannelDetail.value = newDetail;
    isLive.value = true;
  }

  Future<void> leaveChat() async {
    final data = {'channelId': RTCManager.instance.currentChannelId};
    final response = await _networkService.rtcApi.disconnectRtcChannel(data);
    if (response.data.isSuccess) {
      isLive.value = false;
      await RTCManager.instance.unpublish(currentRole);
      if (currentRole == CurrentRole.maleAudience) {
        final newDetail = RtcChannelDetail(
          channelId: rtcChannelDetail.value!.channelId,
          anchorInfo: rtcChannelDetail.value!.anchorInfo,
          maleInfo: null,
          femaleInfo: rtcChannelDetail.value!.femaleInfo,
        );
        rtcChannelDetail.value = newDetail;
      } else if (currentRole == CurrentRole.femaleAudience) {
        final newDetail = RtcChannelDetail(
          channelId: rtcChannelDetail.value!.channelId,
          anchorInfo: rtcChannelDetail.value!.anchorInfo,
          maleInfo: rtcChannelDetail.value!.maleInfo,
          femaleInfo: null,
        );
        rtcChannelDetail.value = newDetail;
      }
      currentRole = CurrentRole.normalUser;
    }
  }

  /// 获取 RTC 频道详情（公有方法，供外部调用）
  Future<void> fetchRtcChannelDetail(String channelName) async {
    try {
      final response = await _networkService.rtcApi.getRtcChannelDetail(
        channelName,
      );
      final base = response.data;
      if (base.isSuccess && base.data != null) {
        rtcChannelDetail.value = base.data;
      }
    } catch (e) {
      print('获取 RTC 频道详情失败：$e');
    }
  }

  Future<void> _fetchRtcChannelDetail(String channelName) async {
    await fetchRtcChannelDetail(channelName);
  }

  /// 发送公屏消息
  Future<void> sendChatMessage(String content) async {
    final channelName = RTCManager.instance.currentChannelId;

    final result = await _messageService.sendMessage(
      content: content,
      channelName: channelName,
    );

    // 如果发送成功，立即添加到本地列表（优化体验，避免等待 RTM 回调）
    if (result.success && result.message != null) {
      _addMessage(result.message!);
    }
  }

  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;
  }

  Future<void> leaveChannel() async {
    // 如果是主播，先销毁 RTC 频道，然后发送结束直播消息
    if (currentRole == CurrentRole.broadcaster) {
      try {
        // 先调用销毁 RTC 频道 API
        final destroyResponse = await _networkService.rtcApi
            .destroyRtcChannel();
        if (destroyResponse.data.isSuccess) {
          // 然后发送结束直播消息
          final channelId = RTCManager.instance.currentChannelId;
          if (channelId != null && channelId.isNotEmpty) {
            await RTMManager.instance.publishChannelMessage(
              channelName: channelId,
              message: json.encode({'type': 'end_live'}),
            );
          }
        }
      } catch (e) {
        print('❌ 销毁 RTC 频道异常: $e');
      }
    }

    isLive.value = false;
    if (currentRole == CurrentRole.maleAudience ||
        currentRole == CurrentRole.femaleAudience) {
      await RTCManager.instance.unpublish(currentRole);
    }
    currentRole = CurrentRole.normalUser;
    await RTCManager.instance.leaveChannel();
  }

  /// 加载礼物产品列表
  Future<void> loadGiftProducts() async {
    try {
      final response = await _networkService.rtcApi.listGiftProduct();
      final base = response.data;
      if (base.isSuccess && base.data != null) {
        giftProducts.assignAll(base.data!);
        print('✅ 礼物产品列表加载成功，共 ${giftProducts.length} 个');
      } else {
        print('❌ 加载礼物产品列表失败: ${base.message}');
      }
    } catch (e) {
      print('❌ 加载礼物产品列表异常: $e');
    }
  }

  /// 赠送礼物
  Future<void> sendGift({
    required GiftProductModel gift,
    required int targetUserId,
  }) async {
    try {
      // 先调用消费接口
      final channelId = RTCManager.instance.currentChannelId;
      if (channelId == null || channelId.isEmpty) {
        SmartDialog.showToast('频道ID不存在');
        return;
      }

      // 准备请求参数
      final requestData = {
        'channelId': int.tryParse(channelId) ?? 0,
        'type': 1, // 1.送礼 2.添加好友
        'toUId': targetUserId,
        'productSpecId': int.tryParse(gift.productSpecId) ?? 0,
        'quantity': 1,
      };

      // 调用消费接口
      final response = await _networkService.rtcApi.costChannelGift(
        requestData,
      );

      if (!response.data.isSuccess) {
        SmartDialog.showToast(
          response.data.message.isNotEmpty ? response.data.message : '发送礼物失败',
        );
        return;
      }

      // 消费成功后再添加到本地播放队列
      final svgaManager = SvgaPlayerManager.instance;
      svgaManager.addToQueue(
        SvgaAnimationItem(
          svgaFile: gift.svgaFile,
          targetUserId: targetUserId,
          senderUserId: rtcChannel.value?.uid,
          giftProductId: gift.productId,
        ),
      );
      print('✅ 礼物已添加到播放队列: ${gift.productTitle}');

      // 发送 RTM 消息通知其他用户
      final messageData = {
        'type': 'gift',
        'svgaFile': gift.svgaFile,
        'giftProductId': gift.productId,
        'targetUserId': targetUserId,
        'senderUserId': rtcChannel.value?.uid,
        'senderNickName': GlobalData().userData?.nickName ?? '',
      };

      await RTMManager.instance.publishChannelMessage(
        channelName: channelId,
        message: json.encode(messageData),
      );
      print('✅ 礼物消息已发送: ${gift.productTitle}');
    } catch (e) {
      print('❌ 发送礼物失败: $e');
      SmartDialog.showToast('发送礼物失败');
    }
  }

  /// 接收RTC消息
  Future<void> receiveRTCMessage(Map<String, dynamic> message) async {
    if (message['type'] == 'gift') {
      // 处理礼物消息
      try {
        final svgaFile = message['svgaFile']?.toString() ?? '';
        final giftProductId = message['giftProductId']?.toString();
        final targetUserId = message['targetUserId']?.toInt() ?? 0;
        final senderUserId = message['senderUserId']?.toInt() ?? 0;
        final senderNickName = message['senderNickName']?.toString() ?? '';

        if (svgaFile.isNotEmpty) {
          // 添加到播放队列
          final svgaManager = SvgaPlayerManager.instance;
          svgaManager.addToQueue(
            SvgaAnimationItem(
              svgaFile: svgaFile,
              targetUserId: targetUserId,
              senderUserId: senderUserId,
              giftProductId: giftProductId,
            ),
          );
          print('✅ 收到礼物消息，已添加到播放队列: $senderNickName 赠送了礼物');
        }
      } catch (e) {
        print('❌ 处理礼物消息失败: $e');
      }
    }
  }

  void registerMatch() async {
    if (GlobalData().userData!.identityCard != null &&
        GlobalData().userData!.identityCard!.isNotEmpty) {
      await Get.to(() => MatchSpreadPage());
    } else {
      SmartDialog.showToast('请先进行实名认证');
      await Get.to(() => RealNamePage(type: 1));
    }
    print(455);
    matchmakerFlag.value = GlobalData().userData!.matchmakerFlag!;
  }
}