website refactor

apps/website/lib/seo/MetadataHelper.ts

@@ -0,0 +1,58 @@
+import { Metadata } from 'next';
+import { getWebsitePublicEnv } from '@/lib/config/env';
+
+interface MetadataOptions {
+  title: string;
+  description: string;
+  path: string;
+  image?: string;
+  type?: 'website' | 'article' | 'profile';
+}
+
+export class MetadataHelper {
+  private static readonly DEFAULT_IMAGE = '/og-image.png';
+  private static readonly SITE_NAME = 'GridPilot';
+
+  static generate({
+    title,
+    description,
+    path,
+    image = this.DEFAULT_IMAGE,
+    type = 'website',
+  }: MetadataOptions): Metadata {
+    const env = getWebsitePublicEnv();
+    const baseUrl = env.NEXT_PUBLIC_SITE_URL || 'https://gridpilot.com';
+    const url = `${baseUrl}${path}`;
+    const fullTitle = `${title} | ${this.SITE_NAME}`;
+
+    return {
+      title: fullTitle,
+      description,
+      alternates: {
+        canonical: url,
+      },
+      openGraph: {
+        title: fullTitle,
+        description,
+        url,
+        siteName: this.SITE_NAME,
+        images: [
+          {
+            url: image.startsWith('http') ? image : `${baseUrl}${image}`,
+            width: 1200,
+            height: 630,
+            alt: title,
+          },
+        ],
+        locale: 'en_US',
+        type,
+      },
+      twitter: {
+        card: 'summary_large_image',
+        title: fullTitle,
+        description,
+        images: [image.startsWith('http') ? image : `${baseUrl}${image}`],
+      },
+    };
+  }
+}