import { posts } from '$lib/blog/posts';
import { canonical } from '$lib/config/site';

const staticPages = ['/', '/about', '/blog', '/dashboard'];

export const GET = () => {
	const urls = [
		...staticPages.map((path) => ({ loc: canonical(path), lastmod: undefined })),
		...posts.map((post) => ({ loc: canonical(`/blog/${post.slug}`), lastmod: post.date }))
	];

	const body = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
${urls
	.map(
		(url) => `	<url>
		<loc>${url.loc}</loc>${url.lastmod ? `\n		<lastmod>${url.lastmod}</lastmod>` : ''}
	</url>`
	)
	.join('\n')}
</urlset>
`;

	return new Response(body, {
		headers: {
			'content-type': 'application/xml; charset=utf-8',
			'cache-control': 'public, max-age=3600'
		}
	});
};