import WooCommerceRestApi from "@woocommerce/woocommerce-rest-api";

const api = new WooCommerceRestApi({
  url: process.env.NEXT_PUBLIC_WOOCOMMERCE_URL || "",
  consumerKey: process.env.NEXT_PUBLIC_WOOCOMMERCE_CONSUMER_KEY || "",
  consumerSecret: process.env.NEXT_PUBLIC_WOOCOMMERCE_CONSUMER_SECRET || "",
  version: "wc/v3",
});

export interface WooProduct {
  id: number;
  name: string;
  slug: string;
  price: string;
  regular_price: string;
  sale_price: string;
  description: string;
  short_description: string;
  status: "publish" | "draft" | "private";
  stock_status: "instock" | "outofstock";
  images: { id: number; src: string; alt: string }[];
  sku: string;
  categories: { id: number; name: string; slug: string }[];
  meta_data: { key: string; value: string }[];
}

export interface WooCategory {
  id: number;
  name: string;
  slug: string;
  description: string;
  image: { src: string } | null;
}

export async function getProducts(perPage = 100): Promise<WooProduct[]> {
  try {
    const response = await api.get("products", { per_page: perPage });
    return response.data;
  } catch (error) {
    console.error("Error fetching products:", error);
    return [];
  }
}

export async function getProduct(id: number): Promise<WooProduct | null> {
  try {
    const response = await api.get(`products/${id}`);
    return response.data;
  } catch (error) {
    console.error(`Error fetching product ${id}:`, error);
    return null;
  }
}

export async function getProductBySlug(slug: string): Promise<WooProduct | null> {
  try {
    const response = await api.get("products", { slug });
    return response.data[0] || null;
  } catch (error) {
    console.error(`Error fetching product by slug ${slug}:`, error);
    return null;
  }
}

export async function getCategories(): Promise<WooCategory[]> {
  try {
    const response = await api.get("product-categories", { per_page: 100 });
    return response.data;
  } catch (error) {
    console.error("Error fetching categories:", error);
    return [];
  }
}

export async function getProductsByCategory(
  categoryId: number
): Promise<WooProduct[]> {
  try {
    const response = await api.get("products", {
      category: categoryId,
      per_page: 100,
    });
    return response.data;
  } catch (error) {
    console.error(`Error fetching products for category ${categoryId}:`, error);
    return [];
  }
}

export function formatPrice(price: string, currency = "RSD"): string {
  const num = parseFloat(price);
  if (isNaN(num)) return "0 RSD";
  return new Intl.NumberFormat("sr-RS", {
    style: "currency",
    currency: currency,
    minimumFractionDigits: 0,
  }).format(num);
}

export function getProductImage(product: WooProduct): string {
  if (product.images && product.images.length > 0) {
    return product.images[0].src;
  }
  return "/placeholder-product.jpg";
}

export default api;