import { SITE_ORIGIN } from '$lib/seo';
import type { RequestHandler } from './$types';

export const GET: RequestHandler = ({ url }) => {
	const production = url.hostname === new URL(SITE_ORIGIN).hostname;
	const body = production
		? `User-agent: *\nAllow: /\nSitemap: ${SITE_ORIGIN}/sitemap.xml\n`
		: 'User-agent: *\nDisallow: /\n';
	return new Response(body, {
		headers: {
			'content-type': 'text/plain; charset=utf-8',
			'cache-control': 'public, max-age=3600'
		}
	});
};