import 'dart:convert';
// import 'dart:html';
import 'dart:html' as html;

import 'package:js/js.dart';

// h5交互通知 原生 {type:'enum',data:'所需参数，可无'}
enum ToFlutterAppEnum {
  close('close'),
  gameExit('gameExit'),
  createGame('createGame'),
  wantToPlay('wantToPlay'),
  gameOver('gameOver'),
  uploadImage('upload_image'),
  soundRecord('sound_recording'),
  toRecharge('toRecharge'),
  playing('playing'),
  toRedDiamond('toRedDiamond'),
  gameType('gameType'),
  jumpToH5('jumpToH5'),
  toHomepage('toHomepage'),
  toMonthCardPay('toMonthCardPay'),

  checkGameState('checkGameState'),
  closeObserving('closeObserving'),
  translateRequest('translateRequest'),
  share('share'),
  //开播检测
  checkStartBroadcaster('checkStartBroadcaster'),
  //直播间发言
  taskLiveRoomChat('taskLiveRoomChat'),
  //直播间送礼
  taskLiveRoomGift('taskLiveRoomGift'),
  //直播间其他任务 close
  taskLiveRoomOther('taskLiveRoomOther'),
  //跳转从业者申请
  toApplyAdmissionPage('toApplyAdmissionPage'),
  //直播预约设置
  shouLiveBookingPicker('shouLiveBookingPicker'),
  //完善个人信息
  shouldCompleteProfile('shouldCompleteProfile'),
  //在直播间或聊天室停留观看n分钟
  shouldWatchDuration('shouldWatchDuration'),
  //在直播间或聊天室发送n条公屏消息
  shouldSendPublicMessage('shouldSendPublicMessage'),
  //在直播间或聊天室上麦互动n分钟
  shouldMicInteraction('shouldMicInteraction'),
  //向任意用户，发送n条信息
  shouldSendPrivateMessage('shouldSendPrivateMessage'),
  //发布n条动态
  shouldPostFeed('shouldPostFeed'),
  //分享n次直播间或聊天室至任意平台
  shouldShareRoom('shouldShareRoom'),
  //佩戴任意装扮
  shouldWearDecoration('shouldWearDecoration'),
  //前往语音房
  shouldGoToVoiceRoom('shouldGoToVoiceRoom'),

  // 定向充值
  rechargeItem('rechargeItem'),

  ///通用交互   别往这下面加，👆🏻加
  commonInteraction('commonInteraction'),
  defaultCode('');

  const ToFlutterAppEnum(this.code);
  final String code;

  static ToFlutterAppEnum? fromCode(String code) {
    return ToFlutterAppEnum.values.firstWhere(
      (e) => e.code == code,
      orElse: () => ToFlutterAppEnum.defaultCode,
    );
  }
}

// 原生交互通知 h5  {type:'enum',data:'所需参数 '}
enum FromFlutterAppEnum {
  translateResult('translateResult'), //翻译
  redDiamondRecharge('diamond_recharge'), //钻石充值
  shareFinished('share_finished'), //分享完成
  defaultCode('');

  const FromFlutterAppEnum(this.code);
  final String code;
}

@JS()
external void sendMessageToNative(String data);

class FlutterBridge {
  static final FlutterBridge instance = FlutterBridge._internal();

  /**
   * 在需要处理 WebView 消息的地方注册监听器：
   * FlutterBridge.instance.on(FromJsEnum.translateResult.code, (data) {
      print("收到来自 WebView 的消息: $data");
      // 执行你需要的逻辑
      });
      使用过需要释放
      // 取消监听 'translateResult' 类型的消息
      FlutterBridge.instance.off(FromJsEnum.translateResult.code);
   * */
  final _messageListeners = <String, Function(Map<String, dynamic>)>{};
  var textMap = <String, String>{}; //多语言翻译

  FlutterBridge._internal() {
    _initListener();
  }

  // 只初始化一次，监听 WebView 消息
  void _initListener() {
    html.window.onMessage.listen((event) {
      if (event.data is String) {
        try {
          final Map<String, dynamic> data = jsonDecode(event.data);
          final String? type = data['type'];
          if (type != null && _messageListeners.containsKey(type)) {
            _messageListeners[type]?.call(data);
          }
          print('Invalid message format from Flutter: $type');
        } catch (e) {
          print('Invalid message format from Flutter: ${event.data}');
        }
      } else {
        try {
          final String? type = event.data['type'];
          if (type != null && _messageListeners.containsKey(type)) {
            _messageListeners[type]?.call(event.data);
          }
          print('Invalid message format from Flutter: $type');
        } catch (e) {
          print('Invalid message format from Flutter: ${event.data}');
        }
      }
    });
  }

  // 注册监听某个 type 的消息
  void on(String type, Function(Map<String, dynamic>) callback) {
    if (_messageListeners.containsKey(type)) {
      print("Listener for '$type' is already registered.");
      return; // 如果已经注册了这个类型的监听器，就不再重复添加
    }
    _messageListeners[type] = callback;
    print("Listener for '$type' has been registered.");
  }

  // 取消监听某个 type 的消息
  void off(String type) {
    if (!_messageListeners.containsKey(type)) {
      print("No listener found for '$type'.");
      return; // 如果没有找到监听器，直接返回
    }
    _messageListeners.remove(type);
    print("Listener for '$type' has been removed.");
  }

  // 发送消息给 App（通过 WebView 调用 JS 方法）
  void sendToFlutter(String type, Map<String, dynamic> data) {
    final dataStr = jsonEncode({'type': type, 'data': data});
    print('$dataStr');
    sendMessageToNative(dataStr);
  }

  void sendToFlutterTest() {
    // final message = jsonEncode({
    //   'type': type,
    //   'data': data,
    // });
    // _runJs("receiveMessageFromFlutter($message);");
    final dataStr = jsonEncode({'type': close, 'data': {}});
    sendMessageToNative(dataStr);
  }
  // 执行 JS 代码
  // void _runJs(String js) {
  //   final script = ScriptElement()
  //     ..innerHtml = js
  //     ..type = 'application/javascript';
  //   document.body?.append(script);
  //   script.remove();
  // }

  // 具体封装的常用方法，直接发送消息给 Flutter Web
  void close() => sendToFlutter(ToFlutterAppEnum.close.code, {});
  void gameOver() => sendToFlutter(ToFlutterAppEnum.gameOver.code, {});
  void createGame(String gameId) =>
      sendToFlutter(ToFlutterAppEnum.createGame.code, {'gameId': gameId});
  void wantToPlay(String gameId) =>
      sendToFlutter(ToFlutterAppEnum.wantToPlay.code, {'gameId': gameId});
  void translateRequest(Map<String, String> data) =>
      sendToFlutter(ToFlutterAppEnum.translateRequest.code, data);
  void toRecharge() => sendToFlutter(ToFlutterAppEnum.toRecharge.code, {});
  void toRedDiamond() => sendToFlutter(ToFlutterAppEnum.toRedDiamond.code, {});
  void jumpToH5(String path, String title) => sendToFlutter(
      ToFlutterAppEnum.jumpToH5.code, {'path': path, 'title': title});
  void toHomepage(String userId) =>
      sendToFlutter(ToFlutterAppEnum.toHomepage.code, {'userId': userId});
  void toMonthCardPay(String googleProductId, String iosProductId,
          {otherUserId = ''}) =>
      sendToFlutter(ToFlutterAppEnum.toMonthCardPay.code, {
        'googleProductId': googleProductId,
        'iosProductId': iosProductId,
        'otherUserId': otherUserId,
      });
  void checkGameState(String gameCode) => sendToFlutter(
      ToFlutterAppEnum.checkGameState.code, {'gameCode': gameCode});
  void share({
    required String activityId,
    required bool needShareReport,
    Map<String, dynamic> extraParams = const {},
  }) =>
      sendToFlutter(ToFlutterAppEnum.share.code, {
        "activityId": activityId,
        "shareReportKey": needShareReport ? "ActivityShared" : "",
        ...extraParams
      });

  void checkStartBroadcaster() =>
      sendToFlutter(ToFlutterAppEnum.checkStartBroadcaster.code, {});

  void taskLiveRoomChat() =>
      sendToFlutter(ToFlutterAppEnum.taskLiveRoomChat.code, {});
  void taskLiveRoomGift() =>
      sendToFlutter(ToFlutterAppEnum.taskLiveRoomGift.code, {});
  void taskLiveRoomOther() =>
      sendToFlutter(ToFlutterAppEnum.taskLiveRoomOther.code, {});
  void toApplyAdmissionPage() =>
      sendToFlutter(ToFlutterAppEnum.toApplyAdmissionPage.code, {});
  void shouLiveBookingPicker() =>
      sendToFlutter(ToFlutterAppEnum.shouLiveBookingPicker.code, {});
  /** 完善个人信息 */
  void shouldCompleteProfile() =>
      sendToFlutter(ToFlutterAppEnum.shouldCompleteProfile.code, {});
  /** 在直播间或聊天室停留观看n分钟 */
  void shouldWatchDuration() =>
      sendToFlutter(ToFlutterAppEnum.shouldWatchDuration.code, {});
/** 在直播间或聊天室发送n条公屏消息 */
  void shouldSendPublicMessage() =>
      sendToFlutter(ToFlutterAppEnum.shouldSendPublicMessage.code, {});
  /** 在直播间或聊天室上麦互动n分钟 */
  void shouldMicInteraction() =>
      sendToFlutter(ToFlutterAppEnum.shouldMicInteraction.code, {});
  /** 向任意用户，发送n条信息*/
  void shouldSendPrivateMessage() =>
      sendToFlutter(ToFlutterAppEnum.shouldSendPrivateMessage.code, {});
  /** 发布n条动态*/
  void shouldPostFeed() =>
      sendToFlutter(ToFlutterAppEnum.shouldPostFeed.code, {});
  /** 分享n次直播间或聊天室至任意平台 */
  void shouldShareRoom() =>
      sendToFlutter(ToFlutterAppEnum.shouldShareRoom.code, {});
/** 佩戴任意装扮 */
  void shouldWearDecoration() =>
      sendToFlutter(ToFlutterAppEnum.shouldWearDecoration.code, {});
  /** 前往语音房 */
  void shouldGoToVoiceRoom() =>
      sendToFlutter(ToFlutterAppEnum.shouldGoToVoiceRoom.code, {});

  ///通用交互  targetId  gameId 或者 话题id 或者 分享活动 ShareEvenType.type  或者 其他活动的 url 地址不含 域名部分
  void commonInteraction(String type, {dynamic targetId}) => sendToFlutter(
      ToFlutterAppEnum.commonInteraction.code,
      {'interactionType': type, 'targetId': targetId});
}