import 'package:freezed_annotation/freezed_annotation.dart';

part 'environment_model.freezed.dart';
part 'environment_model.g.dart';

/// Environment data response from Core API.
/// Contains weather, forecast, sun times, and optionally air quality.
@freezed
sealed class EnvironmentData with _$EnvironmentData {
  const factory EnvironmentData({
    WeatherData? weather,
    List<ForecastDay>? forecast,
    @JsonKey(name: 'sun_times') SunTimesData? sunTimes,
    @JsonKey(name: 'air_quality') AirQualityData? airQuality,
    @JsonKey(name: 'updated_at') required DateTime updatedAt,
    String? user,
  }) = _EnvironmentData;

  factory EnvironmentData.fromJson(Map<String, dynamic> json) =>
      _$EnvironmentDataFromJson(json);
}

/// Current weather conditions.
@freezed
sealed class WeatherData with _$WeatherData {
  const factory WeatherData({
    double? temperature,
    @JsonKey(name: 'feels_like') double? feelsLike,
    String? conditions,
    int? humidity,
    @JsonKey(name: 'wind_speed') double? windSpeed,
    @JsonKey(name: 'wind_direction') String? windDirection,
    double? pressure,
    double? visibility,
    @JsonKey(name: 'uv_index') double? uvIndex,
    String? location,
    String? icon,
  }) = _WeatherData;

  factory WeatherData.fromJson(Map<String, dynamic> json) =>
      _$WeatherDataFromJson(json);
}

/// Single day forecast data.
@freezed
sealed class ForecastDay with _$ForecastDay {
  const factory ForecastDay({
    required String date,
    double? high,
    double? low,
    String? conditions,
    @JsonKey(name: 'precipitation_chance') int? precipitationChance,
    String? icon,
  }) = _ForecastDay;

  factory ForecastDay.fromJson(Map<String, dynamic> json) =>
      _$ForecastDayFromJson(json);
}

/// Sunrise and sunset times.
@freezed
sealed class SunTimesData with _$SunTimesData {
  const factory SunTimesData({
    DateTime? sunrise,
    DateTime? sunset,
    @JsonKey(name: 'daylight_minutes') int? daylightMinutes,
    @JsonKey(name: 'solar_noon') DateTime? solarNoon,
    DateTime? dawn,
    DateTime? dusk,
  }) = _SunTimesData;

  factory SunTimesData.fromJson(Map<String, dynamic> json) =>
      _$SunTimesDataFromJson(json);
}

/// Air quality information.
@freezed
sealed class AirQualityData with _$AirQualityData {
  const factory AirQualityData({
    int? aqi,
    String? quality,
    double? pm25,
    double? pm10,
    double? o3,
    double? no2,
    String? location,
  }) = _AirQualityData;

  factory AirQualityData.fromJson(Map<String, dynamic> json) =>
      _$AirQualityDataFromJson(json);
}