class AppSettings {
  static const double kDefaultRentUsd = 2350;

  AppSettings({
    required this.rentUsd,
    required this.occupied,
    this.notOccupiedFromYearMonth,
    this.localFallbackHour = 9,
    this.localQuietHourStart = 23,
  });

  final double rentUsd;
  final bool occupied;
  final String? notOccupiedFromYearMonth;
  final int localFallbackHour;
  final int localQuietHourStart;

  factory AppSettings.defaults() {
    return AppSettings(rentUsd: kDefaultRentUsd, occupied: true);
  }

  AppSettings copyWith({
    double? rentUsd,
    bool? occupied,
    String? notOccupiedFromYearMonth,
    bool clearNotOccupiedFromYearMonth = false,
    int? localFallbackHour,
    int? localQuietHourStart,
  }) {
    return AppSettings(
      rentUsd: rentUsd ?? this.rentUsd,
      occupied: occupied ?? this.occupied,
      notOccupiedFromYearMonth: clearNotOccupiedFromYearMonth
          ? null
          : (notOccupiedFromYearMonth ?? this.notOccupiedFromYearMonth),
      localFallbackHour: localFallbackHour ?? this.localFallbackHour,
      localQuietHourStart: localQuietHourStart ?? this.localQuietHourStart,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'rentUsd': rentUsd,
      'occupied': occupied,
      'notOccupiedFromYearMonth': notOccupiedFromYearMonth,
      'localFallbackHour': localFallbackHour,
      'localQuietHourStart': localQuietHourStart,
    };
  }

  factory AppSettings.fromJson(Map<String, dynamic> json) {
    return AppSettings(
      rentUsd: (json['rentUsd'] ?? 0).toDouble(),
      occupied: json['occupied'] ?? true,
      notOccupiedFromYearMonth: json['notOccupiedFromYearMonth'] as String?,
      localFallbackHour: json['localFallbackHour'] ?? 9,
      localQuietHourStart: json['localQuietHourStart'] ?? 23,
    );
  }
}