export default {
  async fetch(request) {

    const rssUrl = "https://simplify8.weebly.com/slot/1/feed.xml";

    const response = await fetch(rssUrl);
    const xml = await response.text();

    const items = [...xml.matchAll(/<item>([\s\S]*?)<\/item>/g)];

    let posts = items.slice(0,5).map(item => {
      let content = item[1];

      let title = content.match(/<title>(.*?)<\/title>/)?.[1] || "";
      let link = content.match(/<link>(.*?)<\/link>/)?.[1] || "";
      let pubDate = content.match(/<pubDate>(.*?)<\/pubDate>/)?.[1] || "";
      let desc = content.match(/<description>([\s\S]*?)<\/description>/)?.[1] || "";

      let imgMatch = desc.match(/<img.*?src="(.*?)"/);
      let image = imgMatch ? imgMatch[1] : "";

      return {
        title,
        link,
        pubDate,
        image
      };
    });

    return new Response(JSON.stringify(posts), {
      headers: {
        "content-type": "application/json",
        "Access-Control-Allow-Origin": "*"
      }
    });
  }
}