import 'package:firebase_auth/firebase_auth.dart' as firebase;
import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:dio/dio.dart';
import 'package:get_storage/get_storage.dart';
import '../../../core/themes/theme_service.dart';
import '../../../data/services/speech_factory.dart';
import '../models/language_model.dart';
import 'package:logger/logger.dart';
import '../../../data/models/user_Info.dart';
import '../../../modules/login/controllers/googleLogin.dart';
import '../../../modules/login/controllers/facebookLogin.dart';
import 'package:path_provider/path_provider.dart';
import 'dart:io';
import '../../../routes/app_routes.dart';

class SettingsController extends GetxController {
  // 语言设置
  final List<LanguageModel> languageList = [
    LanguageModel(
        name: 'followingSystem', // 跟随系统.tr
        alias: 'followingSystem', // 跟随系统.tr
        value: 'system'),
    LanguageModel(name: 'chinese', alias: '中文', value: 'zh_CN'), // 中文.tr
    LanguageModel(name: 'english', alias: 'English', value: 'en_US'), // 英语.tr
  ];

  Rx<LanguageModel> language = LanguageModel().obs;

  final GetStorage _storage = GetStorage();

  // 主题服务
  final ThemeService _themeService = ThemeService();

  // 是否是暗黑模式
  final RxBool isDarkMode = false.obs;

  // 翻译语言对
  final RxString sourceLanguage = '中文'.obs;
  final RxString targetLanguage = '英文'.obs;
  final List<String> availableLanguages = [
    '中文',
    '英文',
    '日文',
    '韩文',
    '法文',
    '德文',
    '西班牙文',
    '俄文'
  ];

  // 语音服务类型
  final Rx<SpeechServiceType> speechServiceType = SpeechServiceType.azure.obs;
  final List<Map<String, dynamic>> availableSpeechServices = [
    {
      'type': SpeechServiceType.azure,
      'name': 'azureVoiceService', // Azure 语音服务.tr
      'description': 'azureVoiceServiceInfo' // 微软云端语音服务，支持高质量语音合成和识别.tr
    },
    {
      'type': SpeechServiceType.flutter,
      'name': 'flutterVoiceService', // Flutter 本地语音服务.tr
      'description': 'flutterVoiceServiceInfo' // 设备本地语音服务，无需联网即可使用.tr
    },
  ];

  RxString timbreName = 'defaultTimbre'.obs;

  //用户信息
  static const String userKey = 'user_info';
  //final _storage=GetStorage();
  //final ImagePicker _picker = ImagePicker();
  final Rx<User> userInfo = User.instance.obs; //使用单例实例

  @override
  void onInit() {
    super.onInit();

    // 获取系统语言
    _getLanguage();

    _getTimbre();

    // 从存储中加载上次保存的主题设置
    final savedDarkMode = _themeService.isSavedDarkMode();

    // 设置当前主题状态
    isDarkMode.value = savedDarkMode;

    // 获取当前语音服务类型
    _loadCurrentSpeechServiceType();

    //获取用户信息
    loadUserInfo();
  }

  void loadUserInfo() {
    final userJson = _storage.read(userKey);
    Logger().d('加载用户信息: $userJson');
    
    if (userJson != null) {
      userInfo.value = User.instance;
      Logger().d('用户信息已加载: ${userInfo.value.toJson()}');
      
      if (userInfo.value.avatar.isNotEmpty) {
        Logger().d('开始下载头像');
        _downloadAndSaveAvatar(userInfo.value.avatar);
      } else {
        Logger().d('用户没有头像');
      }
    } else {
      Logger().d('没有找到用户信息');
    }
  }

  Future<void> saveUserInfo() async {
    await _storage.write(userKey, userInfo.value.toJson());
  }

  // 下载并保存远程头像
    Future<void> _downloadAndSaveAvatar(String url) async {
    try {
      Logger().d('开始下载头像: $url');
      
      final dio = Dio(BaseOptions(
        headers: {
          'accept': '*/*',
          'Authorization': _storage.read<String>("logintoken"),
        },
      ));

      final response = await dio.get(
        url,
        options: Options(responseType: ResponseType.bytes),
      );
      
      Logger().d('下载状态: ${response.statusCode}');
      
      if (response.statusCode == 200) {
        // 保存到应用文档目录
        final appDir = await getApplicationDocumentsDirectory();
        final fileName = 'avatar_${DateTime.now().millisecondsSinceEpoch}.jpg';
        final localPath = '${appDir.path}/$fileName';

        // 写入文件
        final file = File(localPath);
        await file.writeAsBytes(response.data);

        // 更新本地头像路径
        //localAvatar.value = localPath;
        await _storage.write('local_avatar', localPath);
        Logger().d('头像已下载到本地: $localPath');
        //Get.snackbar('头像', '头像已下载到本地');
      }
    } catch (e) {
      Logger().e('下载头像失败: $e');
    }
  }

  // Future<void> updateUserAvatar() async {
  //   final XFile? image = await _picker.pickImage(
  //     source: ImageSource.gallery,
  //     maxWidth: 800,
  //     maxHeight: 800,
  //     imageQuality: 85,
  //   );

  //   if (image != null) {
  //     userInfo.update((user) {
  //       if (user != null) {
  //         user.avatar = image.path;
  //       }
  //     });
  //     await saveUserInfo();
  //   }
  // }

  Future<void> updateUserName(String name) async {
    if (name.trim().isNotEmpty) {
      userInfo.update((user) {
        if (user != null) {
          user.name = name.trim();
        }
      });
      await saveUserInfo();
    }
  }

//   Future<void> updateDeviceName(String deviceName) async {
//     userInfo.update((user) {
//       if (user != null) {
//         user.deviceName = deviceName;
//       }
//     });
//     await saveUserInfo();
//   }
// }

  void _getLanguage() {
    String? languageValue = _storage.read('language');
    LanguageModel data = languageList.firstWhere(
      (element) => element.value == languageValue,
      orElse: () => languageList[0],
    );
    language.value = data;
  }

  // 获取音色
  void _getTimbre() {
    List? timbreList = _storage.read('timbreList');
    String? timbre = _storage.read('timbre');
    if (timbreList != null && timbre != null) {
      Map data = timbreList.firstWhere(
        (element) => element['type'] == timbre,
        orElse: () => {},
      );
      if (data.isNotEmpty) {
        timbreName.value = data['name'];
      }
    }
  }

  void setLanguage(LanguageModel data) {
    if (data.value != 'system') {
      List languageList = data.value.split('_');
      Get.updateLocale(Locale(languageList[0], languageList[1]));
    } else {
      Get.updateLocale(Get.deviceLocale!);
    }
    language.value = data;
    _storage.write('language', data.value);
    Get.back();
  }

  // 加载当前语音服务类型
  void _loadCurrentSpeechServiceType() {
    try {
      final factory = Get.find<SpeechFactory>();
      speechServiceType.value = factory.currentServiceType;
    } catch (e) {
      // 如果找不到SpeechFactory实例，使用默认值
    }
  }

  // 切换主题
  Future<void> toggleTheme() async {
    // 切换暗黑模式状态
    isDarkMode.value = !isDarkMode.value;

    // 更新全局主题
    Get.changeThemeMode(isDarkMode.value ? ThemeMode.dark : ThemeMode.light);

    // 保存用户选择的主题设置 - 确保立即写入存储
    await _themeService.saveThemeMode(isDarkMode.value);
  }

  // 设置语音服务类型
  void setSpeechServiceType(SpeechServiceType type) {
    try {
      final factory = Get.find<SpeechFactory>();
      factory.setServiceType(type);
      speechServiceType.value = type;
    } catch (e) {
      // 处理错误
    }
  }

  void setSourceLanguage(String language) {
    sourceLanguage.value = language;
  }

  void setTargetLanguage(String language) {
    targetLanguage.value = language;
  }

  void swapLanguages() {
    final temp = sourceLanguage.value;
    sourceLanguage.value = targetLanguage.value;
    targetLanguage.value = temp;
  }

  Future<void> signOut() async {
    try {
      //显示加载提示
      // Get.dialog(
      //   const Center(child: CircularProgressIndicator()),
      //   barrierDismissible: false,
      // );

      // 清理所有存储
      await _storage.erase();
      // 或者逐个清理关键存储项
      await _storage.write("logintoken", null);
      await _storage.write("user_info", null);
      await _storage.write("local_avatar", null);
      print('清理存储成功');

      // 第三方登录退出
      try {
        final google = Google();
        final facebook = Facebook();
        await Future.wait([
          google.signOutGoogle(),
          facebook.signOutFacebook(),
        ]);
      } catch (e) {
        print('第三方登录退出错误: $e');
        // 继续执行，不中断退出流程
      }

      // 关闭加载提示
      //Get.back();

      // 确保导航到登录页面
      if (Get.currentRoute != Routes.login) {
        await Get.offAllNamed(Routes.login);
      }

      Get.snackbar('成功', '已退出登录');
      print('退出登录成功');
    } catch (e) {
      //Get.back(); // 关闭加载提示
      Get.snackbar('错误', '退出登录失败，请重试');
      print('退出登录错误: $e');
    }
  }
}