import type { NextRequest } from 'next/server';
import type { RequestContext } from '@vercel/edge';

export const config = {
  runtime: 'edge',
};

async function fetcher(url) {
  console.log(`https://${url}/.well-known/fursona`);
  const res = await fetch(`https://${url}/.well-known/fursona`);
  // If 404, return null
  if (res.status === 404) {
	return null;
  }
  // Try to parse json, if not return null
  try {
    const json = await res.json();
    return json;
  } catch (e) {
    return null;
  }
}

export default async (request: NextRequest) => {
// Proxy the request to the `req.url` value and return it as a JSON string.
  const params = new URL(request.url).searchParams;
  const domain = params.get("domain");
  const data = await fetcher(domain);
  if data === null {
  	return new Response('Not Found', { status: 404 });
  }
  return new Response(JSON.stringify(data), {
	headers: {
	  'content-type': 'application/json',
	  'cache-control': 'public, s-maxage=3600, stale-while-revalidate=600',
	},
  });
};