// import 'dart:async';
// import 'package:EasyDartModule/EasyDartModule.dart';
// import 'package:ef/ef.dart';
// import 'package:geocoding/geocoding.dart';
// import 'package:geolocator/geolocator.dart';
// import 'package:json_annotation/json_annotation.dart';
// import 'package:vbvs_app/common/util/CommonVariables.dart';
// import 'package:vbvs_app/common/util/MyUtils.dart';
// import 'package:vbvs_app/controller/setting/language/language_controller.dart';
// import 'package:weather/weather.dart';

// part 'weather_controller.g.dart';

// @JsonSerializable()
// class WeatherModel {
//   double? longitude; //经度
//   double? latitude; //纬度
//   String? weather_info = ''; //天气
//   int? current_temperature; //温度
//   int? min_temperature; //温度
//   int? max_temperature; //温度
//   String? wind_direction; //风向
//   int? wind_speed; //风速等级
//   String? cityName; // 新增城市名字段
//   String? weatherIcon; // 新增天气图标字段
//   String? weatherIconurl; // 新增天气图标字段

//   WeatherModel();
//   static WeatherModel fromJson(Map<String, dynamic> json) =>
//       _$WeatherModelFromJson(json);
//   Map<String, dynamic> toJson() => _$WeatherModelToJson(this);
// }

// class WeatherModelController extends GetControllerEx<WeatherModel> {
//   LanguageController languageController = Get.find();
//   WeatherModelController() {
//     attr = GetModel(WeatherModel()).obs;
//     weatherFactory = WeatherFactory(CommonVariables.weather_apiKey,
//         language: Language.CHINESE_SIMPLIFIED);
//   }

//   Timer? _timer;

//   late WeatherFactory weatherFactory;

//   @override
//   Future<void> onInit() async {
//     super.onInit();
//     await _getCurrentLocationAndWeather();
//     // 启动定时器，每5秒执行一次 getCurrentWeather 方法
//     _timer = Timer.periodic(Duration(seconds: 5), (timer) {
//       _getCurrentLocationAndWeather();
//     });
//   }

//   @override
//   void onClose() {
//     // 取消定时器
//     _timer?.cancel();
//     super.onClose();
//   }

//   Future<void> _getCurrentLocationAndWeather() async {
//     try {
//       Position position = await _determinePosition();

//       String? language = "zh_CN";
//       if (languageController.selectLanguage != null) {
//         language = languageController.selectLanguage.value!.language_code;
//       }
//       List<Placemark> placemarks = await placemarkFromCoordinates(
//           position.latitude, position.longitude,
//           localeIdentifier: "${language}");
//       if (placemarks.isNotEmpty) {
//         model.cityName = placemarks[0].locality ?? "未知数据".tr;
//       }
//       getCurrentWeather(position.latitude, position.longitude);
//     } catch (e) {
//       print(e);
//       EasyDartModule.logger.error("获取位置和天气失败: $e");
//     }
//   }

//   Future<Position> _determinePosition() async {
//     bool serviceEnabled;
//     LocationPermission permission;

//     // 检查位置服务是否启用
//     serviceEnabled = await Geolocator.isLocationServiceEnabled();
//     if (!serviceEnabled) {
//       // 位置服务未启用，返回默认位置
//       return Future.error('Location services are disabled.');
//     }

//     permission = await Geolocator.checkPermission();
//     if (permission == LocationPermission.denied) {
//       permission = await Geolocator.requestPermission();
//       if (permission == LocationPermission.denied) {
//         // 权限被拒绝，返回默认位置
//         return Future.error('Location permissions are denied');
//       }
//     }

//     if (permission == LocationPermission.deniedForever) {
//       // 权限被永久拒绝，返回默认位置
//       return Future.error(
//           'Location permissions are permanently denied, we cannot request permissions.');
//     }

//     // 获取当前位置
//     return await Geolocator.getCurrentPosition();
//   }

//   Future<Weather> getCurrentWeather(
//     double latitude,
//     double longitude,
//   ) async {
//     try {
//       weatherFactory.language = Language.CHINESE_SIMPLIFIED;
//       String? language = "zh_CN";
//       if (languageController.selectLanguage != null) {
//         language = languageController.selectLanguage.value!.language_code;
//       }
//       if (language == "zh_CN") {
//         weatherFactory.language = Language.CHINESE_SIMPLIFIED;
//       } else {
//         weatherFactory.language = Language.ENGLISH;
//       }
//       Weather weather =
//           await weatherFactory.currentWeatherByLocation(latitude, longitude);
//       model.weather_info = weather.weatherDescription;
//       model.min_temperature = weather.tempMin?.celsius?.toInt();
//       model.max_temperature = weather.tempMax?.celsius?.toInt();
//       model.current_temperature = weather.temperature?.celsius?.toInt();
//       model.wind_speed = weather.windSpeed?.toInt();
//       model.weatherIcon = weather.weatherIcon;
//       if (model.weatherIcon != null) {
//         model.weatherIconurl =
//             "https://openweathermap.org/img/w/${model.weatherIcon}.png";
//       }

//       // model.wind_direction = getDirectionByDegree(weather.windDegree);
//       updateAll();
//       return weather;
//     } catch (e) {
//       print('Error: $e');
//       rethrow;
//     }
//   }

//   Future<List<Weather>> getWeatherForecast(
//       double latitude, double longitude) async {
//     try {
//       return await weatherFactory.fiveDayForecastByLocation(
//           latitude, longitude);
//     } catch (e) {
//       print('Error: $e');
//       rethrow;
//     }
//   }

//   String? getDirectionByDegree(double? windDegree) {
//     if (windDegree == null) return null;

//     if (windDegree >= 337.5 || windDegree < 22.5) {
//       return '主页.天气.方向.北'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 22.5 && windDegree < 67.5) {
//       return '主页.天气.方向.东北'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 67.5 && windDegree < 112.5) {
//       return '主页.天气.方向.东'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 112.5 && windDegree < 157.5) {
//       return '主页.天气.方向.东南'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 157.5 && windDegree < 202.5) {
//       return '主页.天气.方向.南'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 202.5 && windDegree < 247.5) {
//       return '主页.天气.方向.西南'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 247.5 && windDegree < 292.5) {
//       return '主页.天气.方向.西'.tr + '主页.天气.方向.单位'.tr;
//     } else if (windDegree >= 292.5 && windDegree < 337.5) {
//       return '主页.天气.方向.西北'.tr + '主页.天气.方向.单位'.tr;
//     } else {
//       return null;
//     }
//   }
// }

import 'dart:async';

import 'package:EasyDartModule/EasyDartModule.dart';
import 'package:ef/ef.dart';
import 'package:geocoding/geocoding.dart';
import 'package:geolocator/geolocator.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:vbvs_app/common/util/CommonVariables.dart';
import 'package:vbvs_app/controller/setting/language/language_controller.dart';
import 'package:weather/weather.dart';

part 'weather_controller.g.dart';

@JsonSerializable()
class WeatherModel {
  double? longitude; // 经度
  double? latitude; // 纬度
  String? weather_info = ''; // 天气
  int? current_temperature; // 温度
  int? min_temperature; // 最低温度
  int? max_temperature; // 最高温度
  String? wind_direction; // 风向
  int? wind_speed; // 风速等级
  String? cityName; // 城市名
  String? weatherIcon; // 天气图标
  String? weatherIconurl; // 天气图标url

  WeatherModel();

  static WeatherModel fromJson(Map<String, dynamic> json) =>
      _$WeatherModelFromJson(json);

  Map<String, dynamic> toJson() => _$WeatherModelToJson(this);
}

class WeatherModelController extends GetControllerEx<WeatherModel> {
  LanguageController languageController = Get.find();
  WeatherModelController() {
    attr = GetModel(WeatherModel()).obs;
    weatherFactory = WeatherFactory(CommonVariables.weather_apiKey,
        language: Language.CHINESE_SIMPLIFIED);
  }

  Timer? _weatherTimer;
  Timer? _locationTimer;

  late WeatherFactory weatherFactory;

  @override
  Future<void> onInit() async {
    super.onInit();
    await _getCurrentLocation();
    _weatherTimer = Timer.periodic(Duration(seconds: 5), (timer) {
      _getCurrentWeather(); // 每 5 秒更新一次天气
    });

    _locationTimer = Timer.periodic(Duration(minutes: 10), (timer) {
      _getCurrentLocation(); // 每 10 分钟更新一次位置
    });
  }

  @override
  void onClose() {
    _weatherTimer?.cancel(); // 取消天气更新定时器
    _locationTimer?.cancel(); // 取消位置更新定时器
    super.onClose();
  }

  // 获取当前位置并存储到 model
  Future<void> _getCurrentLocation() async {
    try {
      Position position = await _determinePosition();

      String? language = "zh_CN";
      if (languageController.selectLanguage != null) {
        language = languageController.selectLanguage.value!.language_code;
      }
      List<Placemark> placemarks = await placemarkFromCoordinates(
          position.latitude, position.longitude,
          localeIdentifier: language);

      if (placemarks.isNotEmpty) {
        model.cityName = placemarks[0].locality ?? "未知数据".tr;
        model.latitude = position.latitude;
        model.longitude = position.longitude;
      }

      // 调用获取天气方法
      _getCurrentWeather();
    } catch (e) {
      print(e);
      EasyDartModule.logger.error("获取位置失败: $e");
    }
  }

  // 获取当前位置
  Future<Position> _determinePosition() async {
    bool serviceEnabled;
    LocationPermission permission;

    serviceEnabled = await Geolocator.isLocationServiceEnabled();
    if (!serviceEnabled) {
      return Future.error('位置服务未启用');
    }

    permission = await Geolocator.checkPermission();
    if (permission == LocationPermission.denied) {
      permission = await Geolocator.requestPermission();
      if (permission == LocationPermission.denied) {
        return Future.error('位置权限被拒绝');
      }
    }

    if (permission == LocationPermission.deniedForever) {
      return Future.error('位置权限被永久拒绝');
    }

    return await Geolocator.getCurrentPosition();
  }

  // 获取天气信息
  Future<void> _getCurrentWeather() async {
    if (model.latitude == null || model.longitude == null) {
      EasyDartModule.logger.error("获取天气失败:位置数据获取失败");  
      return; // 如果位置数据没有获取到，则不更新天气
    }
    String? language = "zh_CN";
    if (languageController.selectLanguage != null) {
      language = languageController.selectLanguage.value!.language_code;
    }
    List<Placemark> placemarks = await placemarkFromCoordinates(
        model.latitude!, model.longitude!,
        localeIdentifier: language);

    if (placemarks.isNotEmpty) {
      model.cityName = placemarks[0].locality ?? "未知数据".tr;
    }

    try {
      weatherFactory.language = Language.CHINESE_SIMPLIFIED;
      String? language = "zh_CN";
      if (languageController.selectLanguage != null) {
        language = languageController.selectLanguage.value!.language_code;
      }
      if (language == "zh_CN") {
        weatherFactory.language = Language.CHINESE_SIMPLIFIED;
      } else {
        weatherFactory.language = Language.ENGLISH;
      }
      Weather weather = await weatherFactory.currentWeatherByLocation(
          model.latitude!, model.longitude!);

      model.weather_info = weather.weatherDescription;
      model.min_temperature = weather.tempMin?.celsius?.toInt();
      model.max_temperature = weather.tempMax?.celsius?.toInt();
      model.current_temperature = weather.temperature?.celsius?.toInt();
      model.wind_speed = weather.windSpeed?.toInt();
      model.weatherIcon = weather.weatherIcon;
      if (model.weatherIcon != null) {
        model.weatherIconurl =
            "https://openweathermap.org/img/w/${model.weatherIcon}.png";
      }
      updateAll(); // 更新 UI
    } catch (e) {
      EasyDartModule.logger.error("获取天气失败: $e");  
      print('获取天气失败: $e');
    }
  }

  // 获取 5 天天气预报
  Future<List<Weather>> getWeatherForecast(
      double latitude, double longitude) async {
    try {
      return await weatherFactory.fiveDayForecastByLocation(
          latitude, longitude);
    } catch (e) {
      print('获取天气预报失败: $e');
      rethrow;
    }
  }
}