import { parseI18nUrl } from "./utils/parse-i18n-url.js";
function generateSitemap(pages, finalSiteUrl, opts) {
  const { changefreq, priority, lastmod: lastmodSrc, i18n } = opts ?? {};
  const urls = [...pages];
  urls.sort((a, b) => a.localeCompare(b, "en", { numeric: true }));
  const lastmod = lastmodSrc?.toISOString();
  const { defaultLocale, locales } = i18n ?? {};
  let getI18nLinks;
  if (defaultLocale && locales) {
    getI18nLinks = createGetI18nLinks(urls, defaultLocale, locales, finalSiteUrl);
  }
  const urlData = urls.map((url, i) => ({
    url,
    links: getI18nLinks?.(i),
    lastmod,
    priority,
    changefreq
  }));
  return urlData;
}
function createGetI18nLinks(urls, defaultLocale, locales, finalSiteUrl) {
  const parsedI18nUrls = urls.map((url) => parseI18nUrl(url, defaultLocale, locales, finalSiteUrl));
  const i18nPathToLinksCache = /* @__PURE__ */ new Map();
  return (urlIndex) => {
    const i18nUrl = parsedI18nUrls[urlIndex];
    if (!i18nUrl) {
      return void 0;
    }
    const cached = i18nPathToLinksCache.get(i18nUrl.path);
    if (cached) {
      return cached;
    }
    const links = [];
    for (let i = 0; i < parsedI18nUrls.length; i++) {
      const parsed = parsedI18nUrls[i];
      if (parsed?.path === i18nUrl.path) {
        links.push({
          url: urls[i],
          lang: locales[parsed.locale]
        });
      }
    }
    if (links.length <= 1) {
      return void 0;
    }
    i18nPathToLinksCache.set(i18nUrl.path, links);
    return links;
  };
}
export {
  generateSitemap
};