import { gzipSync } from "zlib";
import { writeFileSync } from "fs";
import { join, dirname } from "path";
import { fileURLToPath } from "url";

const __dirname = dirname(fileURLToPath(import.meta.url));
const publicDir = join(__dirname, "..", "public");

const BASE_URL = "https://brackt.com";

const urls = [
  { loc: "/", changefreq: "weekly", priority: "1.0" },
  { loc: "/how-to-play", changefreq: "monthly", priority: "0.8" },
  { loc: "/rules", changefreq: "monthly", priority: "0.8" },
  { loc: "/sports", changefreq: "weekly", priority: "0.8" },
  { loc: "/support", changefreq: "monthly", priority: "0.6" },
  { loc: "/privacy-policy", changefreq: "yearly", priority: "0.4" },
];

const today = new Date().toISOString().split("T")[0];

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

writeFileSync(join(publicDir, "sitemap.xml"), xml);
writeFileSync(join(publicDir, "sitemap.xml.gz"), gzipSync(xml));

console.log(`Sitemap generated: ${urls.length} URLs`);