// earnings_models.dart — نماذج شاشة الأرباح
//
// ‏كل الأرقام تصل من نقطة واحدة (`ride/earnings/summary.php`) بختم زمني
// ‏واحد، فلا مجال لأن يتناقض رقمان في الشاشة نفسها.

class PeriodEarnings {
  final int trips;

  /// ‏صافي السائق — حصته المثبَّتة لحظة عرض السعر، أي ما وُعد به قبل القبول.
  final double net;

  /// ‏إجمالي ما دفعه الركاب.
  final double gross;

  /// ‏عمولة المنصة. تُعرض صراحةً لا تُطرح بصمت: السائق الذي يرى تركيبة
  /// ‏المبلغ يفهم، والذي يرى الصافي وحده يخمّن ويشكّ.
  final double commission;

  final double distance;
  final int minutes;

  PeriodEarnings({
    required this.trips,
    required this.net,
    required this.gross,
    required this.commission,
    required this.distance,
    required this.minutes,
  });

  double get hours => minutes / 60.0;

  factory PeriodEarnings.fromJson(Map<String, dynamic> j) => PeriodEarnings(
        trips: int.tryParse(j['trips']?.toString() ?? '0') ?? 0,
        net: double.tryParse(j['net']?.toString() ?? '0') ?? 0,
        gross: double.tryParse(j['gross']?.toString() ?? '0') ?? 0,
        commission: double.tryParse(j['commission']?.toString() ?? '0') ?? 0,
        distance: double.tryParse(j['distance']?.toString() ?? '0') ?? 0,
        minutes: int.tryParse(j['minutes']?.toString() ?? '0') ?? 0,
      );

  static PeriodEarnings empty() => PeriodEarnings(
      trips: 0, net: 0, gross: 0, commission: 0, distance: 0, minutes: 0);
}

class DayEarnings {
  final String day;
  final int trips;
  final double net;
  final int minutes;

  DayEarnings(
      {required this.day,
      required this.trips,
      required this.net,
      required this.minutes});

  factory DayEarnings.fromJson(Map<String, dynamic> j) => DayEarnings(
        day: j['day']?.toString() ?? '',
        trips: int.tryParse(j['trips']?.toString() ?? '0') ?? 0,
        net: double.tryParse(j['net']?.toString() ?? '0') ?? 0,
        minutes: int.tryParse(j['minutes']?.toString() ?? '0') ?? 0,
      );
}

class DeductionItem {
  final String product;
  final String name;
  final double outstanding;

  DeductionItem(
      {required this.product, required this.name, required this.outstanding});

  factory DeductionItem.fromJson(Map<String, dynamic> j) => DeductionItem(
        product: j['product']?.toString() ?? '',
        name: j['name']?.toString() ?? '',
        outstanding: double.tryParse(j['outstanding']?.toString() ?? '0') ?? 0,
      );
}

/// ‏الاقتطاعات (تأمين، وقود) تُعرض بجانب الأرباح التي اقتُطعت منها.
/// ‏اقتطاعٌ لا يظهر في مكانه يُقرأ سرقةً مهما كان مشروعاً.
class Deductions {
  final double today;
  final double week;
  final double month;
  final double outstanding;
  final List<DeductionItem> items;

  Deductions({
    required this.today,
    required this.week,
    required this.month,
    required this.outstanding,
    required this.items,
  });

  bool get hasAny => today > 0 || outstanding > 0;

  factory Deductions.fromJson(Map<String, dynamic> j) => Deductions(
        today: double.tryParse(j['today']?.toString() ?? '0') ?? 0,
        week: double.tryParse(j['week']?.toString() ?? '0') ?? 0,
        month: double.tryParse(j['month']?.toString() ?? '0') ?? 0,
        outstanding: double.tryParse(j['outstanding']?.toString() ?? '0') ?? 0,
        items: (j['items'] is List)
            ? (j['items'] as List)
                .map((i) => DeductionItem.fromJson(Map<String, dynamic>.from(i)))
                .toList()
            : <DeductionItem>[],
      );
}

class EarningsSummary {
  final PeriodEarnings today;
  final PeriodEarnings week;
  final PeriodEarnings month;
  final PeriodEarnings prevWeek;

  /// ‏نسبة التغيّر عن الأسبوع الماضي، أو null إن لم يكن هناك ما يُقارَن به.
  /// ‏المقارنة بالذات لا بالسائقين الآخرين: ترتيبٌ يُحبط أكثر من يحتاج
  /// ‏التحفيز — فهو من سيقع في أسفله.
  final double? trendPercent;

  final List<DayEarnings> daily;
  final DayEarnings? bestDay;
  final Deductions deductions;
  final String asOf;

  EarningsSummary({
    required this.today,
    required this.week,
    required this.month,
    required this.prevWeek,
    required this.daily,
    required this.deductions,
    required this.asOf,
    this.trendPercent,
    this.bestDay,
  });

  factory EarningsSummary.fromJson(Map<String, dynamic> j) => EarningsSummary(
        today: PeriodEarnings.fromJson(Map<String, dynamic>.from(j['today'] ?? {})),
        week: PeriodEarnings.fromJson(Map<String, dynamic>.from(j['week'] ?? {})),
        month: PeriodEarnings.fromJson(Map<String, dynamic>.from(j['month'] ?? {})),
        prevWeek:
            PeriodEarnings.fromJson(Map<String, dynamic>.from(j['prev_week'] ?? {})),
        trendPercent: j['trend_percent'] == null
            ? null
            : double.tryParse(j['trend_percent'].toString()),
        daily: (j['daily'] is List)
            ? (j['daily'] as List)
                .map((d) => DayEarnings.fromJson(Map<String, dynamic>.from(d)))
                .toList()
            : <DayEarnings>[],
        bestDay: j['best_day'] is Map
            ? DayEarnings.fromJson(Map<String, dynamic>.from(j['best_day']))
            : null,
        deductions:
            Deductions.fromJson(Map<String, dynamic>.from(j['deductions'] ?? {})),
        asOf: j['as_of']?.toString() ?? '',
      );
}

class TripBreakdown {
  final double gross;
  final double commission;
  final double bonus;
  final double net;

  /// ‏إعفاء العمولة (سلسلة ٠٪) — هدية تدفع المنصة ثمنها ولم تكن تظهر
  /// ‏للسائق في أي شاشة. نميّزها لتُعرض مكسباً لا سطراً فارغاً.
  final bool zeroCommission;

  TripBreakdown({
    required this.gross,
    required this.commission,
    required this.bonus,
    required this.net,
    required this.zeroCommission,
  });

  factory TripBreakdown.fromJson(Map<String, dynamic> j) => TripBreakdown(
        gross: double.tryParse(j['gross']?.toString() ?? '0') ?? 0,
        commission: double.tryParse(j['commission']?.toString() ?? '0') ?? 0,
        bonus: double.tryParse(j['bonus']?.toString() ?? '0') ?? 0,
        net: double.tryParse(j['net']?.toString() ?? '0') ?? 0,
        zeroCommission: j['zero_commission'] == true,
      );
}

class TripEarning {
  final int rideId;
  final String at;
  final String from;
  final String to;
  final String carType;
  final String paymentMethod;
  final double distanceKm;
  final int minutes;
  final TripBreakdown breakdown;

  TripEarning({
    required this.rideId,
    required this.at,
    required this.from,
    required this.to,
    required this.carType,
    required this.paymentMethod,
    required this.distanceKm,
    required this.minutes,
    required this.breakdown,
  });

  factory TripEarning.fromJson(Map<String, dynamic> j) => TripEarning(
        rideId: int.tryParse(j['ride_id']?.toString() ?? '0') ?? 0,
        at: j['at']?.toString() ?? '',
        from: j['from']?.toString() ?? '',
        to: j['to']?.toString() ?? '',
        carType: j['car_type']?.toString() ?? '',
        paymentMethod: j['payment_method']?.toString() ?? '',
        distanceKm: double.tryParse(j['distance_km']?.toString() ?? '0') ?? 0,
        minutes: int.tryParse(j['minutes']?.toString() ?? '0') ?? 0,
        breakdown:
            TripBreakdown.fromJson(Map<String, dynamic>.from(j['breakdown'] ?? {})),
      );
}