// Allgemeines Verhalten: Entwurf-Speicherung + ungefährlicher Auto-Refresh.
(function () {
  // --- 1) Entwürfe sichern (überlebt Reload / versehentliches Wegnavigieren) ---
  function draftKey(el) {
    return "episupport-draft:" + location.pathname + ":" + (el.name || el.id || "x");
  }
  var drafts = document.querySelectorAll("[data-draft]");
  drafts.forEach(function (el) {
    try {
      var saved = localStorage.getItem(draftKey(el));
      if (saved && !el.value) el.value = saved;
    } catch (e) {}
    el.addEventListener("input", function () {
      try {
        if (el.value) localStorage.setItem(draftKey(el), el.value);
        else localStorage.removeItem(draftKey(el));
      } catch (e) {}
    });
  });
  // Beim Absenden die zugehörigen Entwürfe löschen
  document.querySelectorAll("form").forEach(function (form) {
    form.addEventListener("submit", function () {
      form.querySelectorAll("[data-draft]").forEach(function (el) {
        try { localStorage.removeItem(draftKey(el)); } catch (e) {}
      });
    });
  });

  // --- 2) Auto-Refresh, aber NIE während des Tippens/ungesendeten Texts ---
  var INTERVAL = 120000; // 2 Minuten
  function hasUnsavedInput() {
    var a = document.activeElement;
    if (a && /^(TEXTAREA|INPUT|SELECT)$/.test(a.tagName)) return true;
    var fields = document.querySelectorAll("textarea, input[type=text], input:not([type])");
    for (var i = 0; i < fields.length; i++) {
      if ((fields[i].value || "").trim() !== "") return true;
    }
    return false;
  }
  setInterval(function () {
    if (!hasUnsavedInput()) location.reload();
  }, INTERVAL);
})();