class Product {
  final int id;
  final String name;
  final String description;
  final String price;
  final String? regularPrice;
  final String? salePrice;
  final String? imageUrl;
  final List<String> images;
  final bool inStock;
  final int stockQuantity;
  final String? sku;
  final List<Map<String, dynamic>>? categories;
  final double? rating;
  final int? ratingCount;

  Product({
    required this.id,
    required this.name,
    required this.description,
    required this.price,
    this.regularPrice,
    this.salePrice,
    this.imageUrl,
    this.images = const [],
    this.inStock = true,
    this.stockQuantity = 0,
    this.sku,
    this.categories,
    this.rating,
    this.ratingCount,
  });

  factory Product.fromJson(Map<String, dynamic> json) {
    final images = <String>[];
    
    if (json['images'] != null && json['images'] is List) {
      for (var img in json['images']) {
        if (img['src'] != null) {
          images.add(img['src']);
        }
      }
    }

    return Product(
      id: json['id'] ?? 0,
      name: json['name'] ?? '',
      description: json['description'] ?? '',
      price: json['price'] ?? '0',
      regularPrice: json['regular_price'],
      salePrice: json['sale_price'],
      imageUrl: images.isNotEmpty ? images[0] : null,
      images: images,
      inStock: json['stock_status'] == 'instock',
      stockQuantity: json['stock_quantity'] ?? 0,
      sku: json['sku'],
      categories: json['categories'] != null 
          ? List<Map<String, dynamic>>.from(json['categories'])
          : null,
      rating: json['average_rating'] != null 
          ? double.tryParse(json['average_rating'].toString())
          : null,
      ratingCount: json['rating_count'],
    );
  }

  bool get isOnSale => salePrice != null && salePrice!.isNotEmpty;
  
  double get priceValue {
    try {
      return double.parse(price);
    } catch (e) {
      return 0.0;
    }
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'name': name,
      'description': description,
      'price': price,
      'regular_price': regularPrice,
      'sale_price': salePrice,
      'image_url': imageUrl,
      'images': images,
      'in_stock': inStock,
      'stock_quantity': stockQuantity,
      'sku': sku,
      'categories': categories,
      'average_rating': rating,
      'rating_count': ratingCount,
    };
  }
}