(function () {
  var pendingForm = null;
  var pendingScope = null;
  var dialog = null;

  function ensureDialog() {
    if (dialog) return dialog;

    dialog = document.createElement("div");
    dialog.className = "site-confirm";
    dialog.setAttribute("role", "dialog");
    dialog.setAttribute("aria-modal", "true");
    dialog.setAttribute("aria-labelledby", "site-confirm-title");
    dialog.hidden = true;
    dialog.innerHTML =
      '<div class="site-confirm__backdrop" data-confirm-cancel></div>' +
      '<div class="site-confirm__panel site-confirm__panel--choices">' +
      '  <p class="site-confirm__eyebrow">Conferma richiesta</p>' +
      '  <h2 class="site-confirm__title" id="site-confirm-title">Sei sicuro?</h2>' +
      '  <p class="site-confirm__message" id="site-confirm-message"></p>' +
      '  <div class="site-confirm__choices" id="site-confirm-choices" hidden>' +
      '    <button type="button" class="site-confirm__choice" data-confirm-scope="site">' +
      "      <span class=\"site-confirm__choice-label\">Solo dal sito</span>" +
      "      <span class=\"site-confirm__choice-hint\" data-hint-site>Il video resta su YouTube</span>" +
      "    </button>" +
      '    <button type="button" class="site-confirm__choice" data-confirm-scope="youtube">' +
      "      <span class=\"site-confirm__choice-label\">Solo da YouTube</span>" +
      "      <span class=\"site-confirm__choice-hint\" data-hint-youtube>Resta disponibile sul sito</span>" +
      "    </button>" +
      '    <button type="button" class="site-confirm__choice site-confirm__choice--danger" data-confirm-scope="both">' +
      "      <span class=\"site-confirm__choice-label\">Da sito e YouTube</span>" +
      "      <span class=\"site-confirm__choice-hint\" data-hint-both>Eliminazione completa</span>" +
      "    </button>" +
      "  </div>" +
      '  <div class="site-confirm__actions">' +
      '    <button type="button" class="btn btn-secondary site-confirm__btn" data-confirm-cancel>Annulla</button>' +
      '    <button type="button" class="btn btn-primary site-confirm__btn site-confirm__btn--danger" data-confirm-ok>Elimina</button>' +
      "  </div>" +
      "</div>";

    document.body.appendChild(dialog);

    dialog.addEventListener("click", function (event) {
      var target = event.target;
      if (!(target instanceof Element)) return;
      if (target.closest("[data-confirm-cancel]")) {
        closeDialog();
        return;
      }
      var scopeBtn = target.closest("[data-confirm-scope]");
      if (scopeBtn) {
        if (scopeBtn.disabled || scopeBtn.getAttribute("aria-disabled") === "true") return;
        submitPending(scopeBtn.getAttribute("data-confirm-scope"));
        return;
      }
      if (target.closest("[data-confirm-ok]")) {
        submitPending(pendingScope || "both");
      }
    });

    document.addEventListener("keydown", function (event) {
      if (!dialog || dialog.hidden) return;
      if (event.key === "Escape") {
        event.preventDefault();
        closeDialog();
      }
    });

    return dialog;
  }

  function setChoiceVisible(btn, visible) {
    if (!(btn instanceof HTMLElement)) return;
    btn.hidden = !visible;
    if (!visible) {
      btn.disabled = true;
      btn.setAttribute("aria-disabled", "true");
    }
  }

  function setChoiceEnabled(btn, enabled) {
    if (!(btn instanceof HTMLButtonElement)) return;
    btn.disabled = !enabled;
    btn.setAttribute("aria-disabled", enabled ? "false" : "true");
    btn.classList.toggle("site-confirm__choice--disabled", !enabled);
  }

  function openDialog(message, options) {
    options = options || {};
    var hasSite = options.hasSite !== false;
    var hasYoutube = !!options.hasYoutube;
    var canSite = hasSite;
    var canYoutube = hasYoutube;
    var canBoth = hasSite && hasYoutube;
    var choiceCount = (canSite ? 1 : 0) + (canYoutube ? 1 : 0) + (canBoth ? 1 : 0);
    // Una sola destinazione disponibile → conferma semplice, senza elenco
    var multi = !!options.multi && choiceCount > 1;

    if (canBoth) pendingScope = "both";
    else if (canSite) pendingScope = "site";
    else if (canYoutube) pendingScope = "youtube";
    else pendingScope = "both";

    var el = ensureDialog();
    var titleEl = el.querySelector("#site-confirm-title");
    var messageEl = el.querySelector("#site-confirm-message");
    var okBtn = el.querySelector("[data-confirm-ok]");
    var choicesEl = el.querySelector("#site-confirm-choices");
    var siteBtn = el.querySelector('[data-confirm-scope="site"]');
    var youtubeBtn = el.querySelector('[data-confirm-scope="youtube"]');
    var bothBtn = el.querySelector('[data-confirm-scope="both"]');
    var hintSite = el.querySelector("[data-hint-site]");
    var hintYoutube = el.querySelector("[data-hint-youtube]");
    var hintBoth = el.querySelector("[data-hint-both]");
    var panel = el.querySelector(".site-confirm__panel");

    if (titleEl) {
      if (multi) {
        titleEl.textContent = "Cosa vuoi eliminare?";
      } else if (pendingScope === "youtube") {
        titleEl.textContent = "Eliminare da YouTube?";
      } else if (pendingScope === "site") {
        titleEl.textContent = "Eliminare dal sito?";
      } else {
        titleEl.textContent = /elimin/i.test(message)
          ? "Eliminare definitivamente?"
          : "Confermi questa operazione?";
      }
    }

    if (messageEl) {
      if (multi) {
        messageEl.textContent =
          "Scegli dove rimuovere il replay. L'operazione è irreversibile.";
      } else if (pendingScope === "youtube") {
        messageEl.textContent =
          "Il video verrà rimosso da YouTube. Il replay resterà disponibile sul sito.";
      } else if (pendingScope === "site") {
        messageEl.textContent = hasYoutube
          ? "Il replay verrà rimosso dal sito. Il video su YouTube resterà online."
          : "Stai per eliminare definitivamente questo replay dal sito. L'operazione è irreversibile.";
      } else {
        messageEl.textContent = message;
      }
    }

    if (choicesEl) choicesEl.hidden = !multi;
    if (panel) panel.classList.toggle("site-confirm__panel--choices", multi);

    if (okBtn instanceof HTMLElement) {
      okBtn.hidden = multi;
      if (pendingScope === "youtube") okBtn.textContent = "Elimina da YouTube";
      else if (pendingScope === "site") okBtn.textContent = "Elimina dal sito";
      else okBtn.textContent = /elimin/i.test(message) ? "Elimina" : "Conferma";
    }

    setChoiceVisible(siteBtn, canSite);
    setChoiceVisible(youtubeBtn, canYoutube);
    setChoiceVisible(bothBtn, canBoth);
    if (multi) {
      setChoiceEnabled(siteBtn, canSite);
      setChoiceEnabled(youtubeBtn, canYoutube);
      setChoiceEnabled(bothBtn, canBoth);
      if (hintSite) {
        hintSite.textContent = canYoutube
          ? "Il video resta su YouTube"
          : "Rimuove i file dal sito";
      }
      if (hintYoutube) {
        hintYoutube.textContent = canSite
          ? "Resta disponibile sul sito"
          : "Rimuove solo il video YouTube";
      }
      if (hintBoth) hintBoth.textContent = "Eliminazione completa";
    }

    el.hidden = false;
    document.body.classList.add("site-confirm-open");

    if (multi) {
      var focusBtn = canSite ? siteBtn : canYoutube ? youtubeBtn : bothBtn;
      if (focusBtn instanceof HTMLElement) focusBtn.focus();
    } else if (okBtn instanceof HTMLElement) {
      okBtn.focus();
    }
  }

  function closeDialog() {
    if (!dialog) return;
    dialog.hidden = true;
    document.body.classList.remove("site-confirm-open");
    pendingForm = null;
    pendingScope = null;
  }

  function ensureHiddenInput(form, name, value) {
    var input = form.querySelector('input[name="' + name + '"]');
    if (!(input instanceof HTMLInputElement)) {
      input = document.createElement("input");
      input.type = "hidden";
      input.name = name;
      form.appendChild(input);
    }
    input.value = value;
  }

  function submitPending(scope) {
    var form = pendingForm;
    if (form && form.closest(".replay-archive")) {
      saveArchiveScrollPosition();
    }
    closeDialog();
    if (!form) return;
    ensureHiddenInput(form, "delete_scope", scope || "both");
    form.dataset.confirmAccepted = "1";
    if (typeof form.requestSubmit === "function") {
      form.requestSubmit();
    } else {
      form.submit();
    }
  }

  document.addEventListener(
    "submit",
    function (event) {
      var form = event.target;
      if (!(form instanceof HTMLFormElement)) return;

      if (form.dataset.confirmAccepted === "1") {
        delete form.dataset.confirmAccepted;
        return;
      }

      var message =
        form.getAttribute("data-confirm") ||
        form.getAttribute("data-turbo-confirm");
      if (!message) return;

      event.preventDefault();
      event.stopImmediatePropagation();
      pendingForm = form;
      pendingScope = "both";

      var mode = form.getAttribute("data-confirm-mode") || "";
      var isReplayDelete =
        mode === "delete-replay" || mode === "delete-replay-youtube";
      var hasYoutube =
        form.getAttribute("data-has-youtube") === "1" ||
        mode === "delete-replay-youtube";
      var hasSiteAttr = form.getAttribute("data-has-site");
      var hasSite = hasSiteAttr == null ? true : hasSiteAttr === "1";

      openDialog(message, {
        multi: isReplayDelete,
        hasYoutube: hasYoutube,
        hasSite: hasSite
      });
    },
    true
  );

  // Dopo submit nell'archivio replay, resta alla stessa altezza di scroll
  // (il redirect ricarica la pagina e altrimenti torna in cima).
  var SCROLL_KEY = "matchlivetv.replayArchive.scrollY";

  function saveArchiveScrollPosition() {
    try {
      sessionStorage.setItem(
        SCROLL_KEY,
        String(window.scrollY || window.pageYOffset || 0)
      );
    } catch (err) {
      /* ignore */
    }
  }

  function saveArchiveScroll(event) {
    var form = event.target;
    if (!(form instanceof HTMLFormElement)) return;
    if (!form.closest(".replay-archive")) return;
    var needsConfirm =
      form.getAttribute("data-confirm") ||
      form.getAttribute("data-turbo-confirm");
    // Con confirm lo scroll si salva in submitPending, dopo la scelta nel dialog
    if (needsConfirm) return;
    saveArchiveScrollPosition();
  }

  function restoreArchiveScroll() {
    try {
      var raw = sessionStorage.getItem(SCROLL_KEY);
      if (raw == null) return;
      sessionStorage.removeItem(SCROLL_KEY);
      var top = parseInt(raw, 10);
      if (isNaN(top)) return;
      window.scrollTo(0, top);
      requestAnimationFrame(function () {
        window.scrollTo(0, top);
      });
    } catch (err) {
      /* ignore */
    }
  }

  document.addEventListener("submit", saveArchiveScroll, true);
  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", restoreArchiveScroll);
  } else {
    restoreArchiveScroll();
  }
})();