class InventoryItem {
  final int id;
  final int productId;
  final String productName;
  final double quantity;
  final String unit;
  final String? location;
  final String? brand;
  final String? purchaseDate;
  final String? bestBeforeDate;
  final bool opened;
  final String? comment;

  const InventoryItem({
    required this.id,
    required this.productId,
    required this.productName,
    required this.quantity,
    required this.unit,
    this.location,
    this.brand,
    this.purchaseDate,
    this.bestBeforeDate,
    required this.opened,
    this.comment,
  });

  factory InventoryItem.fromJson(Map<String, dynamic> json) {
    return InventoryItem(
      id: json['id'] as int,
      productId: json['productId'] as int,
      productName: (json['product'] as Map<String, dynamic>?)?['name'] as String? ?? '',
      quantity: double.tryParse(json['quantity']?.toString() ?? '0') ?? 0,
      unit: json['unit'] as String? ?? '',
      location: json['location'] as String?,
      brand: json['brand'] as String?,
      purchaseDate: json['purchaseDate'] as String?,
      bestBeforeDate: json['bestBeforeDate'] as String?,
      opened: json['opened'] as bool? ?? false,
      comment: json['comment'] as String?,
    );
  }
}