class Product {
  final int? id;
  final int? userId;
  final int? categoryId;
  final int? uomId;
  final String? hsnCode;

  final String name;
  final String? sku;
  final String? barcode;
  final String? description;
  final double? sellingPrice;
  final double? gstRate;
  final String? dimensions;
  final String? color;
  final String? size;

  final double? itemLength;
  final double? itemWidth;
  final double? itemHeight;
  final String? dimensionUom;

  final double? packageLength;
  final double? packageWidth;
  final double? packageHeight;
  final String? packageDimensionUom;

  final String? manufacturerCode;
  final String? material;
  final String? brandName;
  final String? countryOfOrigin;

  final double? weightInG;
  final double? packageWeightInG;
  final double? volumetricWeightInKg;

  final String priceCalcRule;
  final bool autoCalculatePrice;
  final double? purityFactor;
  final double? makingCharges;
  final String? makingChargesType;
  final double? wastagePercentage;
  final bool isActive;
  final List<int> imageIds;
  final double? currentStock;

  Product({
    this.id,
    this.userId,
    this.categoryId,
    this.uomId,
    required this.name,
    this.hsnCode,
    this.sku,
    this.barcode,
    this.description,
    this.sellingPrice,
    this.gstRate,
    this.dimensions,
    this.color,
    this.size,
    this.itemLength,
    this.itemWidth,
    this.itemHeight,
    this.dimensionUom = 'cm',
    this.packageLength,
    this.packageWidth,
    this.packageHeight,
    this.packageDimensionUom = 'cm',
    this.manufacturerCode,
    this.material,
    this.brandName,
    this.countryOfOrigin,
    this.weightInG,
    this.packageWeightInG,
    this.volumetricWeightInKg,
    this.priceCalcRule = 'MANUAL',
    this.autoCalculatePrice = false,
    this.purityFactor,
    this.makingCharges = 0.0,
    this.makingChargesType = 'FLAT',
    this.wastagePercentage = 0.0,
    this.isActive = true,
    this.imageIds = const [],
    this.currentStock = 0.0,
  });

  factory Product.fromJson(Map<String, dynamic> json) {
    return Product(
      id: json['id'],
      userId: json['userId'] ?? json['user_id'],
      categoryId: json['categoryId'] ?? json['category_id'],
      uomId: json['uomId'] ?? json['uom_id'],
      name: json['name'],
      hsnCode: json['hsnCode'] ?? json['hsn_code'],
      sku: json['sku'],
      barcode: json['barcode'],
      description: json['description'],
      sellingPrice: (json['sellingPrice'] ?? json['selling_price'] as num?)
          ?.toDouble(),
      gstRate: (json['gstRate'] ?? json['gst_rate'] as num?)?.toDouble(),
      dimensions: json['dimensions'],
      color: json['color'],
      size: json['size'],
      itemLength: (json['itemLength'] ?? json['item_length'] as num?)?.toDouble(),
      itemWidth: (json['itemWidth'] ?? json['item_width'] as num?)?.toDouble(),
      itemHeight: (json['itemHeight'] ?? json['item_height'] as num?)?.toDouble(),
      dimensionUom: json['dimensionUom'] ?? json['dimension_uom'] ?? 'cm',
      packageLength: (json['packageLength'] ?? json['package_length'] as num?)?.toDouble(),
      packageWidth: (json['packageWidth'] ?? json['package_width'] as num?)?.toDouble(),
      packageHeight: (json['packageHeight'] ?? json['package_height'] as num?)?.toDouble(),
      packageDimensionUom: json['packageDimensionUom'] ?? json['package_dimension_uom'] ?? 'cm',
      manufacturerCode: json['manufacturerCode'] ?? json['manufacturer_code'],
      material: json['material'],
      brandName: json['brandName'] ?? json['brand_name'],
      countryOfOrigin: json['countryOfOrigin'] ?? json['country_of_origin'],
      weightInG: (json['weightInG'] ?? json['weight_in_g'] as num?)?.toDouble(),
      packageWeightInG: (json['packageWeightInG'] ?? json['package_weight_in_g'] as num?)?.toDouble(),
      volumetricWeightInKg: (json['volumetricWeightInKg'] ?? json['volumetric_weight_in_kg'] as num?)?.toDouble(),
      priceCalcRule:
          json['priceCalcRule'] ?? json['price_calc_rule'] ?? 'MANUAL',
      autoCalculatePrice:
          json['autoCalculatePrice'] ?? json['auto_calculate_price'] ?? false,
      purityFactor:
          (json['purityFactor'] ?? json['purity_factor'] as num?)?.toDouble(),
      makingCharges:
          (json['makingCharges'] ?? json['making_charges'] as num?)
              ?.toDouble() ??
          0.0,
      makingChargesType:
          json['makingChargesType'] ?? json['making_charges_type'] ?? 'FLAT',
      wastagePercentage:
          (json['wastagePercentage'] ?? json['wastage_percentage'] as num?)
              ?.toDouble() ??
          0.0,
      isActive: json['isActive'] ?? json['is_active'] ?? true,
      imageIds: json['images'] != null
          ? (json['images'] as List).map((i) {
              if (i is Map) {
                return (i['id'] as num).toInt();
              } else if (i is num) {
                return i.toInt();
              }
              return 0;
            }).where((id) => id > 0).toList()
          : [],
      currentStock:
          (json['currentStock'] ?? json['current_stock'] as num?)?.toDouble() ??
          0.0,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'userId': userId,
      'categoryId': categoryId,
      'uomId': uomId,
      'name': name,
      'hsnCode': hsnCode,
      'sku': sku,
      'barcode': barcode,
      'description': description,
      'sellingPrice': sellingPrice,
      'gstRate': gstRate,
      'dimensions': dimensions,
      'color': color,
      'size': size,
      'itemLength': itemLength,
      'itemWidth': itemWidth,
      'itemHeight': itemHeight,
      'dimensionUom': dimensionUom,
      'packageLength': packageLength,
      'packageWidth': packageWidth,
      'packageHeight': packageHeight,
      'packageDimensionUom': packageDimensionUom,
      'manufacturerCode': manufacturerCode,
      'material': material,
      'brandName': brandName,
      'countryOfOrigin': countryOfOrigin,
      'weightInG': weightInG,
      'packageWeightInG': packageWeightInG,
      'volumetricWeightInKg': volumetricWeightInKg,
      'priceCalcRule': priceCalcRule,
      'autoCalculatePrice': autoCalculatePrice,
      'purityFactor': purityFactor,
      'makingCharges': makingCharges,
      'makingChargesType': makingChargesType,
      'wastagePercentage': wastagePercentage,
      'isActive': isActive,
    };
  }
}