(async () => {
  // menu style
  const menuStyle = document.createElement("link");
  menuStyle.rel = "stylesheet";
  menuStyle.href = "/style/menu.css";
  document.head.append(menuStyle);

  // build menu
  const siteRoot = "/" + location.pathname.split("/")[1];
  const { wayback } = await import(`${siteRoot}/config.js`);

  let menu = document.createElement("div");
  menu.id = "archive-menu";

  let span = document.createElement("span");
  span.id = "hrt";
  span.innerText = "♥";
  menu.append(span);

  let archiveRoot = document.createElement("a");
  archiveRoot.setAttribute("href", "/");
  archiveRoot.setAttribute("target", "_top");
  archiveRoot.innerText = "Home";
  menu.append(archiveRoot);

  let changelog = document.createElement("a");
  changelog.setAttribute("href", `${siteRoot}/CHANGELOG.txt`);
  changelog.setAttribute("target", "_blank");
  changelog.innerText = "Changelog";
  menu.append(changelog);

  if (wayback) {
    let waybackLink = document.createElement("a");
    waybackLink.setAttribute("href", `https://web.archive.org/web/${wayback}`);
    waybackLink.setAttribute("target", "_blank");
    waybackLink.innerText = "Wayback Capture";
    menu.append(waybackLink);
  }

  document.body.prepend(menu);
})();