import 'package:json_annotation/json_annotation.dart';

part 'ingredient_mapping.g.dart';

@JsonSerializable()
class IngredientMapping {
  final String id;
  @JsonKey(name: 'canonical_name')
  final String canonicalName;
  @JsonKey(name: 'canonical_name_ru')
  final String? canonicalNameRu;
  final String? category;
  @JsonKey(name: 'default_unit')
  final String? defaultUnit;
  @JsonKey(name: 'storage_days')
  final int? storageDays;

  const IngredientMapping({
    required this.id,
    required this.canonicalName,
    this.canonicalNameRu,
    this.category,
    this.defaultUnit,
    this.storageDays,
  });

  /// Display name prefers Russian, falls back to canonical English name.
  String get displayName => canonicalNameRu ?? canonicalName;

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

  Map<String, dynamic> toJson() => _$IngredientMappingToJson(this);
}