x

apps/website/src/app/sitemap.ts

@@ -1,5 +1,7 @@
 import { MetadataRoute } from 'next';
 import { getCategories, getProducts, getArticlesResult } from '../lib/cms';
+import { generateProductSlug } from '../lib/slugify';
+import { resolveLocalized } from '../lib/localization';
 
 const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || 'http://localhost:3000';
 
@@ -49,15 +51,27 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
     },
   }));
 
-  const productRoutes: MetadataRoute.Sitemap = products.map((product) => ({
-    url: `${baseUrl}/th/products/${product.id}`,
-    lastModified: new Date(),
-    changeFrequency: 'daily',
-    priority: 0.9,
-    alternates: {
-      languages: createAlternates(`/products/${product.id}`),
-    },
-  }));
+  const productRoutes: MetadataRoute.Sitemap = products.map((product) => {
+    const alternates: Record<string, string> = {};
+    let thSlug = '';
+    
+    for (const lang of languages) {
+      const localizedName = resolveLocalized(product.name, lang) || (product.brand ? product.brand.name : 'product');
+      const slug = generateProductSlug(localizedName, product.id);
+      alternates[lang] = `${baseUrl}/${lang}/products/${slug}`;
+      if (lang === 'th') thSlug = slug;
+    }
+
+    return {
+      url: `${baseUrl}/th/products/${thSlug}`,
+      lastModified: new Date(),
+      changeFrequency: 'daily',
+      priority: 0.9,
+      alternates: {
+        languages: alternates,
+      },
+    };
+  });
 
   const articleRoutes: MetadataRoute.Sitemap = [];
   if (articlesResult.ok && articlesResult.data) {