import '../config/constants/date_utils.dart';

enum CouponStatus { DRAFT, PENDING, ACTIVE, EXPIRED } // extend as needed

CouponStatus _couponStatusFromString(String s) => CouponStatus.values
    .firstWhere((e) => e.name == s, orElse: () => CouponStatus.ACTIVE);

String _couponStatusToString(CouponStatus e) => e.name;

class CouponDto {
  final int id;
  final String name;
  final String description;
  final String code;
  final DateTime? startDate;
  final DateTime? endDate;
  final CouponStatus couponStatus;
  final double percentage;
  final bool archive;
  final DateTime? timestamp;
  final String? createdByName;
  final int? createdById;
  final int totalUseTimeCount;

  CouponDto({
    required this.id,
    required this.name,
    required this.description,
    required this.code,
    required this.startDate,
    required this.endDate,
    required this.couponStatus,
    required this.percentage,
    required this.archive,
    required this.timestamp,
    required this.createdByName,
    required this.createdById,
    required this.totalUseTimeCount,
  });

  factory CouponDto.fromJson(Map<String, dynamic> json) => CouponDto(
        id: json['id'] as int,
        name: json['name'] as String,
        description: json['description'] as String,
        code: json['code'] as String,
        startDate: parseDate(json['startdate']),
        endDate: parseDate(json['enddate']),
        couponStatus: _couponStatusFromString(json['couponStatus'] ?? 'ACTIVE'),
        percentage: (json['percentage'] as num).toDouble(),
        archive: json['archive'] as bool? ?? false,
        timestamp: parseDate(json['timestamp']),
        createdByName: json['createdByName'] as String?,
        createdById: json['createdById'] as int?,
        totalUseTimeCount: json['totalusetimecount'] as int? ?? 0,
      );

  Map<String, dynamic> toJson() => {
        'id': id,
        'name': name,
        'description': description,
        'code': code,
        'startdate': formatDate(startDate),
        'enddate': formatDate(endDate),
        'couponStatus': _couponStatusToString(couponStatus),
        'percentage': percentage,
        'archive': archive,
        'timestamp': formatDate(timestamp),
        'createdByName': createdByName,
        'createdById': createdById,
        'totalusetimecount': totalUseTimeCount,
      };
}