class ProductNameOption {
  final int id;
  final String? code;
  final String name;
  final String? remark;

  const ProductNameOption({
    required this.id,
    this.code,
    required this.name,
    this.remark,
  });

  factory ProductNameOption.fromJson(Map<String, dynamic> json) =>
      ProductNameOption(
        id: (json['id'] as num).toInt(),
        code: json['code'] as String?,
        name: json['name'] as String,
        remark: json['remark'] as String?,
      );
}

class ProductSeriesOption {
  final int id;
  final String? code;
  final String name;
  final String? remark;

  const ProductSeriesOption({
    required this.id,
    this.code,
    required this.name,
    this.remark,
  });

  factory ProductSeriesOption.fromJson(Map<String, dynamic> json) =>
      ProductSeriesOption(
        id: (json['id'] as num).toInt(),
        code: json['code'] as String?,
        name: json['name'] as String,
        remark: json['remark'] as String?,
      );
}

class ProductSpecOption {
  final int id;
  final String? code;
  final String name;
  final int quantity;
  final String? remark;

  const ProductSpecOption({
    required this.id,
    this.code,
    required this.name,
    this.quantity = 0,
    this.remark,
  });

  factory ProductSpecOption.fromJson(Map<String, dynamic> json) =>
      ProductSpecOption(
        id: (json['id'] as num).toInt(),
        code: json['code'] as String?,
        name: json['name'] as String,
        quantity: (json['quantity'] as num?)?.toInt() ?? 0,
        remark: json['remark'] as String?,
      );
}