import { getAllPosts } from "@/lib/db"

export const dynamic = "force-dynamic"

// Feed RSS 2.0 del fansub: para que la gente se suscriba y siga los lanzamientos.
export async function GET() {
  const posts = getAllPosts(true).slice(0, 30)

  const items = posts
    .map((p) => {
      const pubDate = p.published_at
        ? new Date(p.published_at).toUTCString()
        : new Date(p.created_at).toUTCString()
      const description =
        (p.summary && !p.summary.startsWith("**") && p.summary.length > 30
          ? p.summary.slice(0, 300)
          : `${p.num_pages} páginas`) || `${p.num_pages} páginas`
      return `        <item>
          <title><![CDATA[${p.title}${p.title_jpn ? ` (${p.title_jpn})` : ""}]]></title>
          <link>https://worstscan.xyz/p/${p.slug}</link>
          <guid isPermaLink="false">worstscan-${p.gid}</guid>
          <pubDate>${pubDate}</pubDate>
          <description><![CDATA[${description}]]></description>
          <enclosure url="https://worstscan.xyz/api/cover/${p.gid}" type="image/jpeg" />
        </item>`
    })
    .join("\n")

  const xml = `<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>worst-scan fansub</title>
    <link>https://worstscan.xyz</link>
    <description>Escaneos y traducciones de manga</description>
    <language>es</language>
    <lastBuildDate>${new Date().toUTCString()}</lastBuildDate>
    <atom:link href="https://worstscan.xyz/rss.xml" rel="self" type="application/rss+xml" />
${items}
  </channel>
</rss>`

  return new Response(xml, {
    headers: {
      "Content-Type": "application/rss+xml; charset=utf-8",
      "Cache-Control": "public, max-age=600",
    },
  })
}