import { Feed } from 'feed';
import { getPosts } from '@/lib/blog-query';
import { SITE_INFO } from '../metadata';

export async function GET() {
  try {
    const { posts } = await getPosts();
    
    const feed = new Feed({
      title: 'OpenCut Blog',
      description: SITE_INFO.description,
      id: `${SITE_INFO.url}`,
      link: `${SITE_INFO.url}/blog/`,
      language: 'en',
      image: `${SITE_INFO.openGraphImage}`,
      favicon: `${SITE_INFO.favicon}`,
      copyright: `All rights reserved ${new Date().getFullYear()}, ${
        SITE_INFO.title
      }`,
    });
  
    for (const post of posts) {
      feed.addItem({
          title: post.title,
          id: `${SITE_INFO.url}/blog/${post.slug}`,
          link: `${SITE_INFO.url}/blog/${post.slug}`,
          description: post.description,
          author: post.authors.map((author) => ({
            name: author.name,
          })),
        date: new Date(post.publishedAt),
        image: post.coverImage || SITE_INFO.openGraphImage,
      });
    }

    return new Response(feed.rss2(), {
      headers: {
        'Content-Type': 'text/xml',
        'Cache-Control': 'public, max-age=86400, stale-while-revalidate',
      },
    });
  } catch (error) {
    console.error('Error generating RSS feed', error);
    return new Response('Internal Server Error', { status: 500 });
  }
}