// ── Pivoine — main.js ─────────────────────────────────────────────

// ── HTMX progress bar ─────────────────────────────────────────────
(function () {
  const bar = document.getElementById("progress-bar");
  if (!bar) return;

  document.body.addEventListener("htmx:beforeRequest", () => {
    bar.style.width = "0";
    bar.style.opacity = "1";
    requestAnimationFrame(() => {
      bar.style.width = "55%";
    });
  });

  document.body.addEventListener("htmx:afterSettle", () => {
    bar.style.width = "100%";
    setTimeout(() => {
      bar.style.opacity = "0";
      setTimeout(() => { bar.style.width = "0"; }, 350);
    }, 150);
  });
})();

// ── Lazy-load videos (data-src attribute) ─────────────────────────
function initLazyVideos(root) {
  if (!("IntersectionObserver" in window)) return;
  const observer = new IntersectionObserver(
    (entries) => {
      entries.forEach((entry) => {
        if (!entry.isIntersecting) return;
        const video = entry.target;
        if (video.dataset.src) {
          video.src = video.dataset.src;
          video.load();
        }
        observer.unobserve(video);
      });
    },
    { rootMargin: "300px" }
  );
  (root || document).querySelectorAll("video[data-src]").forEach((v) => observer.observe(v));
}

initLazyVideos();

// ── After HTMX partial swap ────────────────────────────────────────
document.body.addEventListener("htmx:afterSwap", (e) => {
  initLazyVideos(e.target);
  if (window.Alpine) Alpine.initTree(e.target);
  window.scrollTo({ top: 0, behavior: "instant" });
});

// ── After HTMX history restore (back / forward navigation) ────────
document.body.addEventListener("htmx:historyRestore", () => {
  // Sync nav active state to the restored URL
  if (window.Alpine) Alpine.store("nav").path = window.location.pathname;

  // Complete the progress bar (htmx:afterSettle never fires on history restore)
  const bar = document.getElementById("progress-bar");
  if (bar) {
    bar.style.width = "100%";
    setTimeout(() => {
      bar.style.opacity = "0";
      setTimeout(() => { bar.style.width = "0"; }, 350);
    }, 150);
  }

  const main = document.getElementById("main-content");
  if (!main) return;
  if (window.Alpine) Alpine.initTree(main);
  // Reload and replay autoplay videos (autoplay attr is ignored on restore)
  main.querySelectorAll("video[autoplay]").forEach((v) => {
    v.load();
    v.play().catch(() => {});
  });
  window.scrollTo({ top: 0, behavior: "instant" });
});