(() => {
  const OWNER = "nulldrm";
  const REPO = "Null-DRM-Official";
  const API = "/git-api/api/v1/repos/" + OWNER + "/" + REPO;
  const FORGEJO = "https://git.nulldrm.com/" + OWNER + "/" + REPO;
  const TG_URL = "https://t.me/+GZwQ7d_HD2w2ZTM8";

  function setText(id, value) {
    const el = document.getElementById(id);
    if (el) el.textContent = value;
  }

  function shortDate(iso) {
    if (!iso) return "—";
    const d = new Date(iso);
    if (Number.isNaN(d.getTime())) return "—";
    return d.toLocaleDateString(undefined, { year: "numeric", month: "short", day: "numeric" });
  }

  function escapeHtml(s) {
    return String(s)
      .replace(/&/g, "&")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;")
      .replace(/"/g, "&quot;");
  }

  async function loadRepo() {
    if (!document.getElementById("git-stats")) return;
    try {
      const res = await fetch(API);
      if (!res.ok) throw new Error("HTTP " + res.status);
      const data = await res.json();
      setText("stat-stars", String(data.stars_count ?? data.stars ?? 0));
      setText("stat-forks", String(data.forks_count ?? data.forks ?? 0));
      setText("stat-issues", String(data.open_issues_count ?? data.open_issues ?? 0));
      setText("stat-updated", shortDate(data.updated_at || data.pushed_at));
    } catch {
      ["stat-stars", "stat-forks", "stat-issues", "stat-updated"].forEach((id) => setText(id, "—"));
    }
  }

  async function loadReleases() {
    const status = document.getElementById("releases-status");
    const list = document.getElementById("releases-list");
    if (!status || !list) return;

    try {
      const res = await fetch(API + "/releases?limit=5");
      if (!res.ok) throw new Error("HTTP " + res.status);
      const releases = await res.json();
      if (!Array.isArray(releases) || releases.length === 0) {
        status.textContent = "No releases published yet — clone the repo or watch it on Forgejo.";
        status.hidden = false;
        list.hidden = true;
        return;
      }

      list.innerHTML = releases.map((r) => {
        const title = escapeHtml(r.name || r.tag_name || "Release");
        const tag = escapeHtml(r.tag_name || "");
        const when = shortDate(r.published_at || r.created_at);
        const url = escapeHtml(r.html_url || (FORGEJO + "/releases/tag/" + encodeURIComponent(r.tag_name || "")));
        const body = (r.body || "").trim();
        const preview = body
          ? '<p class="release-body">' + escapeHtml(body.slice(0, 180)) + (body.length > 180 ? "…" : "") + "</p>"
          : "";
        const assets = Array.isArray(r.assets) ? r.assets : [];
        const assetLinks = assets.slice(0, 4).map((a) => {
          const href = escapeHtml(a.browser_download_url || a.html_url || "#");
          const name = escapeHtml(a.name || "asset");
          return '<a href="' + href + '">' + name + "</a>";
        }).join(" · ");
        return (
          "<li>" +
          '<p class="release-title"><a href="' + url + '">' + title + "</a></p>" +
          '<p class="release-meta">' + tag + (tag ? " · " : "") + when +
          (assetLinks ? " · " + assetLinks : "") + "</p>" +
          preview +
          "</li>"
        );
      }).join("");

      status.hidden = true;
      list.hidden = false;
    } catch {
      status.innerHTML =
        'Could not load releases. Open <a href="' + FORGEJO + '/releases" rel="noopener">Forgejo releases</a> directly.';
      status.hidden = false;
      list.hidden = true;
    }
  }

  // Telegram invite: shown once per browser.
  function initTelegramInvite() {
    const KEY = "nulldrm_tg_seen";
    const modal = document.getElementById("tg-modal");
    if (!modal) return;

    let seen = false;
    try {
      seen = localStorage.getItem(KEY) === "1";
    } catch {
      seen = true; // private mode: do not nag
    }

    const markSeen = () => {
      try {
        localStorage.setItem(KEY, "1");
      } catch {
        /* private mode */
      }
    };

    // Belt and braces: the hidden attribute plus an inline display, so the
    // overlay cannot survive a stylesheet that sets display on .tg-modal.
    const close = () => {
      markSeen();
      modal.hidden = true;
      modal.style.display = "none";
      document.body.style.overflow = "";
    };

    const open = () => {
      modal.hidden = false;
      modal.style.display = "grid";
      document.body.style.overflow = "hidden";
      const join = document.getElementById("tg-join");
      if (join) join.focus();
    };

    // Wire every dismiss control directly rather than relying on delegation.
    modal.querySelectorAll("[data-tg-dismiss]").forEach((el) => {
      el.addEventListener("click", (e) => {
        e.preventDefault();
        close();
      });
    });

    // Clicking anywhere outside the dialog also closes it.
    modal.addEventListener("click", (e) => {
      const t = e.target;
      if (t instanceof Element && !t.closest(".tg-dialog")) close();
    });

    const join = document.getElementById("tg-join");
    if (join) join.addEventListener("click", close);

    document.addEventListener("keydown", (e) => {
      if (e.key === "Escape" && !modal.hidden) close();
    });

    if (seen) {
      modal.hidden = true;
      modal.style.display = "none";
    } else {
      open();
    }
  }

  // Highlight the section currently in view.
  function initNavHighlight() {
    const links = Array.from(document.querySelectorAll('.site-nav a[href^="#"]'));
    if (!links.length || !("IntersectionObserver" in window)) return;
    const byId = new Map(links.map((a) => [a.getAttribute("href").slice(1), a]));
    const sections = Array.from(byId.keys())
      .map((id) => document.getElementById(id))
      .filter(Boolean);
    if (!sections.length) return;

    const obs = new IntersectionObserver(
      (entries) => {
        entries.forEach((entry) => {
          const link = byId.get(entry.target.id);
          if (link) link.classList.toggle("active", entry.isIntersecting);
        });
      },
      { rootMargin: "-45% 0px -50% 0px" }
    );
    sections.forEach((s) => obs.observe(s));
  }

  loadRepo();
  loadReleases();
  initTelegramInvite();
  initNavHighlight();

  // Any Telegram link left without an href falls back to the canonical invite.
  document.querySelectorAll('a[href^="https://t.me/"]').forEach((a) => {
    if (!a.getAttribute("href")) a.setAttribute("href", TG_URL);
  });
})();