part of '../wallet_dtos.dart';

/// `terms` belum dibaca: bentuknya masih disepakati dengan tim backoffice,
/// sementara itu yang ditampilkan `description` saja (§9.1).
@freezed
abstract class VoucherDto with _$VoucherDto {
  const factory VoucherDto({
    @JsonKey(name: 'id') String? id,
    @JsonKey(name: 'name') String? name,
    @JsonKey(name: 'description') String? description,
    @JsonKey(name: 'image_url') String? imageUrl,
    @JsonKey(name: 'voucher_type') String? voucherType,
    @JsonKey(name: 'face_value') int? faceValue,
    @JsonKey(name: 'point_cost') int? pointCost,
    @JsonKey(name: 'max_per_customer') int? maxPerCustomer,
    @JsonKey(name: 'valid_until') String? validUntil,
    @JsonKey(name: 'available') int? available,
  }) = _VoucherDto;

  factory VoucherDto.fromJson(Map<String, dynamic> json) =>
      _$VoucherDtoFromJson(json);

  const VoucherDto._();

  Voucher toDomain() => Voucher(
    id: id ?? '',
    name: name ?? '',
    description: (description?.trim().isEmpty ?? true) ? null : description,
    imageUrl: (imageUrl?.isEmpty ?? true) ? null : imageUrl,
    type: VoucherType.fromApi(voucherType),
    faceValue: faceValue ?? 0,
    pointCost: pointCost ?? 0,
    maxPerCustomer: maxPerCustomer,
    validUntil: _parseDateTime(validUntil),
    available: available,
  );
}

/// Item "Voucher saya" dan response tukar voucher; [pointBalance] dan
/// [replayed] hanya ada di response tukar.
@freezed
abstract class VoucherRedemptionDto with _$VoucherRedemptionDto {
  const factory VoucherRedemptionDto({
    @JsonKey(name: 'id') String? id,
    @JsonKey(name: 'voucher_id') String? voucherId,
    @JsonKey(name: 'voucher_name') String? voucherName,
    @JsonKey(name: 'voucher_image_url') String? voucherImageUrl,
    @JsonKey(name: 'voucher_type') String? voucherType,
    @JsonKey(name: 'status') String? status,
    @JsonKey(name: 'face_value') int? faceValue,
    @JsonKey(name: 'point_cost') int? pointCost,
    @JsonKey(name: 'code') String? code,
    @JsonKey(name: 'code_expires_at') String? codeExpiresAt,
    @JsonKey(name: 'completed_at') String? completedAt,
    @JsonKey(name: 'created_at') String? createdAt,
    @JsonKey(name: 'point_balance') int? pointBalance,
    @JsonKey(name: 'replayed') bool? replayed,
  }) = _VoucherRedemptionDto;

  factory VoucherRedemptionDto.fromJson(Map<String, dynamic> json) =>
      _$VoucherRedemptionDtoFromJson(json);

  const VoucherRedemptionDto._();

  VoucherRedemption toDomain() => VoucherRedemption(
    id: id ?? '',
    voucherId: voucherId ?? '',
    voucherName: voucherName ?? '',
    voucherImageUrl: (voucherImageUrl?.isEmpty ?? true)
        ? null
        : voucherImageUrl,
    voucherType: VoucherType.fromApi(voucherType),
    status: VoucherRedemptionStatus.fromApi(status),
    faceValue: faceValue ?? 0,
    pointCost: pointCost ?? 0,
    code: (code?.isEmpty ?? true) ? null : code,
    codeExpiresAt: _parseDateTime(codeExpiresAt),
    completedAt: _parseDateTime(completedAt),
    createdAt: _parseDateTime(createdAt),
  );

  VoucherRedeemResult toRedeemResult() => VoucherRedeemResult(
    redemption: toDomain(),
    pointBalance: pointBalance ?? 0,
    replayed: replayed ?? false,
  );
}

class VoucherRedemptionPageDto {
  final List<VoucherRedemptionDto> items;
  final WalletPaginationDto pagination;

  const VoucherRedemptionPageDto({
    required this.items,
    required this.pagination,
  });

  VoucherRedemptionPage toDomain() => VoucherRedemptionPage(
    items: items.map((e) => e.toDomain()).toList(),
    page: pagination.page ?? 1,
    totalPages: pagination.totalPages ?? 1,
  );
}