import { TypeCartItem } from '@/types/cart';

// data
import { productData } from '@/data/ListProduct';

export const addToCart = (productId: string | number) => {
  // Lấy giỏ hàng hiện tại từ localStorage
  const cart: TypeCartItem[] = JSON.parse(localStorage.getItem('cart') || '[]');

  console.log('chay tiếp');

  const product = productData.find((p) => p.productId == productId);
  if (!product) return;

  // Kiểm tra sản phẩm đã có trong giỏ chưa
  const existing = cart.find((item) => item.item_info.id == productId);

  if (existing) {
    // Nếu có rồi thì tăng số lượng
    existing.in_cart.quantity = (parseInt(existing.in_cart.quantity) + 1).toString();
    existing.in_cart.total_price =
      Number(existing.in_cart.quantity) * Number(existing.in_cart.price);
  } else {
    // Nếu chưa có thì thêm mới
    const cartItem = {
      _id: `product-${product.id}-0`,
      item_type: 'product',
      item_id: `${product.id}-0`,
      item_info: {
        id: product.productId,
        priceUnit: product.priceUnit,
        marketPrice: product.marketPrice,
        hasVAT: product.hasVAT,
        weight: product.weight,
        price: product.price,
        currency: product.currency,
        bulk_price: product.bulk_price,
        configurable: product.configurable,
        productName: product.productName,
        productImage: product.productImage,
        productUrl: product.productUrl,
        brand: product.brand,
        productSKU: product.productSKU,
        quantity: product.quantity,
        addon: product.addon,
        warranty: product.warranty,
        variants: product.variants,
        variant_option: product.variant_option,
        extend: product.extend,
        categories: product.categories,
        specialOffer: product.specialOffer,
        specialOfferGroup: product.specialOfferGroup,
        sale_rules: product.sale_rules,
      },
      in_cart: {
        quantity: '1',
        buyer_note: '',
        price: product.price,
        total_price: Number(product.quantity) * Number(product.price),
        weight: '0',
        total_weight: '0',
      },
    };
    cart.push(cartItem);
  }

  // Lưu lại vào localStorage
  localStorage.setItem('cart', JSON.stringify(cart));
};