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();

    try {
      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
      });
    } catch (e) {
      ef.log("[天气和定位请求失败]");
    }
  }

  @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();
      if (position == null) {
        throw Exception("获取位置失败");
      }

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

      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(
      locationSettings: const LocationSettings(
        accuracy: LocationAccuracy.low, // 使用高精度定位，但不依赖 Google Play
        distanceFilter: 1000, // 设置最小距离过滤
        timeLimit: Duration(seconds: 10), // 设置获取位置的最大等待时间
      ),
    );
  }

  // 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 = [];
    // 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;
    }
  }
}

// import 'dart:async';
// import 'package:EasyDartModule/EasyDartModule.dart';
// import 'package:ef/ef.dart';
// import 'package:amap_flutter_location/amap_flutter_location.dart'; // 导入 amap_flutter_location 插件
// import 'package:geocoding/geocoding.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;
//   late AMapFlutterLocation location; // 声明 AMapFlutterLocation 实例

//   @override
//   Future<void> onInit() async {
//     super.onInit();

//     location = AMapFlutterLocation(); // 初始化 AMapFlutterLocation

//     try {
//       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
//       });
//     } catch (e) {
//       ef.log("[天气和定位请求失败]");
//     }
//   }

//   @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
//     location.stopLocation(); // 停止高德定位
//     super.onClose();
//   }

//   // 获取当前位置并存储到 model
//   Future<void> _getCurrentLocation() async {
//     try {
//       // 开始定位
//       location.startLocation();

//       // 监听定位回调

//       location.onLocationChanged().listen((Map<String, Object> result) {
//         ///result即为定位结果
//         ef.log("[位置]:${result}");
//       });

//       // location.onLocationChanged.listen((locationData) {
//       //   if (locationData.latitude != null && locationData.longitude != null) {
//       //     model.latitude = locationData.latitude;
//       //     model.longitude = locationData.longitude;

//       //     // 获取位置对应的城市名
//       //     _getCityName(locationData.latitude!, locationData.longitude!);
//       //   }
//       // });
//     } catch (e) {
//       print(e);
//       EasyDartModule.logger.error("获取位置失败: $e");
//     }
//   }

//   // 获取城市名
//   Future<void> _getCityName(double latitude, double longitude) async {
//     try {
//       List<Placemark> placemarks =
//           await placemarkFromCoordinates(latitude, longitude);

//       if (placemarks.isNotEmpty) {
//         model.cityName = placemarks[0].locality ?? "未知数据".tr;
//       }
//       // 获取天气
//       _getCurrentWeather();
//     } catch (e) {
//       print(e);
//       EasyDartModule.logger.error("获取城市名失败: $e");
//     }
//   }

//   // 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
//     }

//     try {
//       weatherFactory.language = Language.CHINESE_SIMPLIFIED;
//       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;
//     }
//   }
// }