console.log("pwa.js loaded", new Date().toISOString());

(function () {
  function init() {
    const dismissed = localStorage.getItem("pwa_shortcut_bar_dismissed") === "1";
    if (dismissed) return;

    const isStandalone =
      window.matchMedia("(display-mode: standalone)").matches ||
      window.navigator.standalone === true;
    if (isStandalone) return;

    const isIOS = /iphone|ipad|ipod/i.test(navigator.userAgent);
    const isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);

    let deferredPrompt = null;

    function showBar() {
      if (document.getElementById("pwaShortcutBar")) return;

      const bar = document.createElement("div");
      bar.id = "pwaShortcutBar";
      bar.style.cssText = `
        position:fixed;left:0;right:0;bottom:0;z-index:999999;
        background:rgba(17,17,17,.96);color:#fff;
        padding:12px 12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
        box-shadow:0 -8px 30px rgba(0,0,0,.25);
      `;

      bar.innerHTML = `
<div id="pwaShortcutBarContent" class="mx-auto position-relative text-center px-4" style="max-width:1100px;">
  <button id="pwaCloseBtn" type="button"
    class="btn btn-link btn-lg p-0 lh-1 position-absolute top-0 end-0 text-white"
    aria-label="Închide">&times;</button>

  <div class="fw-bold">Instalează aplicația ListaFirme</div>
  <div class="small text-white-50">Icon pe ecranul principal</div>

  <button id="pwaAddBtn" type="button" class="btn btn-primary fw-bold mt-2" data-mdb-ripple-init>
    Instalează
  </button>
</div>
      `;

      document.body.appendChild(bar);

      // Ripple pentru elemente inserate dinamic
      const btnAdd = bar.querySelector("#pwaAddBtn");
      if (window.mdb && window.mdb.Ripple && btnAdd) {
        try { window.mdb.Ripple.getOrCreateInstance(btnAdd); } catch (e) {}
      }

      bar.querySelector("#pwaCloseBtn").addEventListener("click", (ev) => {
        ev.preventDefault();
        ev.stopPropagation();
        localStorage.setItem("pwa_shortcut_bar_dismissed", "1");
        bar.remove();
      });

      btnAdd.addEventListener("click", async (ev) => {
        ev.preventDefault();
        ev.stopPropagation();

        // iOS: doar instrucțiuni (nu există prompt)
        if (isIOS && isSafari && !deferredPrompt) {
          alert("Pe iPhone/iPad: Share → Add to Home Screen.");
          return;
        }

        // Android/Chrome: prompt doar dacă există
        if (!deferredPrompt) return;

        deferredPrompt.prompt();
        try { await deferredPrompt.userChoice; } catch (e) {}
        deferredPrompt = null;
        bar.remove();
      });
    }

    // Android/Chrome: bară doar când browserul zice “ok, e installable”
    window.addEventListener("beforeinstallprompt", (e) => {
      e.preventDefault();
      deferredPrompt = e;
      showBar();
    });

    // iOS: bară mereu (nu există beforeinstallprompt)
    if (isIOS && isSafari) {
      showBar();
    }

    // după instalare, doar ascundem (nu setăm dismissed)
    window.addEventListener("appinstalled", () => {
      const bar = document.getElementById("pwaShortcutBar");
      if (bar) bar.remove();
    });
  }

  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", init);
  } else {
    init();
  }
})();