class WorkingHours {
  final String day;
  final List<Shift> shifts;

  WorkingHours({
    required this.day,
    required this.shifts,
  });

  factory WorkingHours.fromJson(Map<String, dynamic> json) {
    return WorkingHours(
      day: json['day'],
      shifts: (json['shifts'] as List)
          .map((shift) => Shift.fromJson(shift))
          .toList(),
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'day': day,
      'shifts': shifts.map((shift) => shift.toJson()).toList(),
    };
  }
}

class Shift {
  final String openAt;
  final String closeAt;

  Shift({
    required this.openAt,
    required this.closeAt,
  });

  factory Shift.fromJson(Map<String, dynamic> json) {
    return Shift(
      openAt: json['open_at'],
      closeAt: json['close_at'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'open_at': openAt,
      'close_at': closeAt,
    };
  }
}