import { MetadataRoute } from 'next';
import { productService } from '../lib/services/productService';

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
  const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'https://canino-iran.com';

  // Static routes
  const staticRoutes: MetadataRoute.Sitemap = [
    {
      url: `${baseUrl}`,
      lastModified: new Date(),
      changeFrequency: 'daily',
      priority: 1,
    },
    {
      url: `${baseUrl}/shop`,
      lastModified: new Date(),
      changeFrequency: 'daily',
      priority: 0.9,
    },
    {
      url: `${baseUrl}/wiki`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.8,
    },
    {
      url: `${baseUrl}/blog`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.8,
    },
    {
      url: `${baseUrl}/search`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.5,
    },
  ];

  // Dynamic products
  try {
    const products = await productService.getProducts();
    const productRoutes: MetadataRoute.Sitemap = products.map((product) => ({
      url: `${baseUrl}/shop/${product.id}`,
      lastModified: new Date(),
      changeFrequency: 'weekly',
      priority: 0.7,
    }));

    return [...staticRoutes, ...productRoutes];
  } catch (error) {
    console.error("Failed to generate product sitemap:", error);
    return staticRoutes;
  }
}