/**
 * 意见反馈：校验 → 可选上传截图（最多 3 张，单张 ≤5MB）→ POST /api/feedback/add
 * 上游 type: 1-功能建议、2-播放问题、3-账号问题、4-其他
 */
(function () {
  var MAX_FILES = 3;
  var MAX_SIZE = 5 * 1024 * 1024;
  var ACCEPT_TYPES = { "image/png": 1, "image/jpeg": 1, "image/jpg": 1 };
  var CITY_OPTIONS = {
    "北京市": "北京市",
    "天津市": "天津市",
    "河北省": "石家庄市|唐山市|秦皇岛市|邯郸市|邢台市|保定市|张家口市|承德市|沧州市|廊坊市|衡水市",
    "山西省": "太原市|大同市|阳泉市|长治市|晋城市|朔州市|晋中市|运城市|忻州市|临汾市|吕梁市",
    "内蒙古自治区": "呼和浩特市|包头市|乌海市|赤峰市|通辽市|鄂尔多斯市|呼伦贝尔市|巴彦淖尔市|乌兰察布市|兴安盟|锡林郭勒盟|阿拉善盟",
    "辽宁省": "沈阳市|大连市|鞍山市|抚顺市|本溪市|丹东市|锦州市|营口市|阜新市|辽阳市|盘锦市|铁岭市|朝阳市|葫芦岛市",
    "吉林省": "长春市|吉林市|四平市|辽源市|通化市|白山市|松原市|白城市|延边朝鲜族自治州",
    "黑龙江省": "哈尔滨市|齐齐哈尔市|鸡西市|鹤岗市|双鸭山市|大庆市|伊春市|佳木斯市|七台河市|牡丹江市|黑河市|绥化市|大兴安岭地区",
    "上海市": "上海市",
    "江苏省": "南京市|无锡市|徐州市|常州市|苏州市|南通市|连云港市|淮安市|盐城市|扬州市|镇江市|泰州市|宿迁市",
    "浙江省": "杭州市|宁波市|温州市|嘉兴市|湖州市|绍兴市|金华市|衢州市|舟山市|台州市|丽水市",
    "安徽省": "合肥市|芜湖市|蚌埠市|淮南市|马鞍山市|淮北市|铜陵市|安庆市|黄山市|滁州市|阜阳市|宿州市|六安市|亳州市|池州市|宣城市",
    "福建省": "福州市|厦门市|莆田市|三明市|泉州市|漳州市|南平市|龙岩市|宁德市",
    "江西省": "南昌市|景德镇市|萍乡市|九江市|新余市|鹰潭市|赣州市|吉安市|宜春市|抚州市|上饶市",
    "山东省": "济南市|青岛市|淄博市|枣庄市|东营市|烟台市|潍坊市|济宁市|泰安市|威海市|日照市|临沂市|德州市|聊城市|滨州市|菏泽市",
    "河南省": "郑州市|开封市|洛阳市|平顶山市|安阳市|鹤壁市|新乡市|焦作市|濮阳市|许昌市|漯河市|三门峡市|南阳市|商丘市|信阳市|周口市|驻马店市|济源市",
    "湖北省": "武汉市|黄石市|十堰市|宜昌市|襄阳市|鄂州市|荆门市|孝感市|荆州市|黄冈市|咸宁市|随州市|恩施土家族苗族自治州|仙桃市|潜江市|天门市|神农架林区",
    "湖南省": "长沙市|株洲市|湘潭市|衡阳市|邵阳市|岳阳市|常德市|张家界市|益阳市|郴州市|永州市|怀化市|娄底市|湘西土家族苗族自治州",
    "广东省": "广州市|韶关市|深圳市|珠海市|汕头市|佛山市|江门市|湛江市|茂名市|肇庆市|惠州市|梅州市|汕尾市|河源市|阳江市|清远市|东莞市|中山市|潮州市|揭阳市|云浮市",
    "广西壮族自治区": "南宁市|柳州市|桂林市|梧州市|北海市|防城港市|钦州市|贵港市|玉林市|百色市|贺州市|河池市|来宾市|崇左市",
    "海南省": "海口市|三亚市|三沙市|儋州市",
    "重庆市": "重庆市",
    "四川省": "成都市|自贡市|攀枝花市|泸州市|德阳市|绵阳市|广元市|遂宁市|内江市|乐山市|南充市|眉山市|宜宾市|广安市|达州市|雅安市|巴中市|资阳市|阿坝藏族羌族自治州|甘孜藏族自治州|凉山彝族自治州",
    "贵州省": "贵阳市|六盘水市|遵义市|安顺市|毕节市|铜仁市|黔西南布依族苗族自治州|黔东南苗族侗族自治州|黔南布依族苗族自治州",
    "云南省": "昆明市|曲靖市|玉溪市|保山市|昭通市|丽江市|普洱市|临沧市|楚雄彝族自治州|红河哈尼族彝族自治州|文山壮族苗族自治州|西双版纳傣族自治州|大理白族自治州|德宏傣族景颇族自治州|怒江傈僳族自治州|迪庆藏族自治州",
    "西藏自治区": "拉萨市|日喀则市|昌都市|林芝市|山南市|那曲市|阿里地区",
    "陕西省": "西安市|铜川市|宝鸡市|咸阳市|渭南市|延安市|汉中市|榆林市|安康市|商洛市",
    "甘肃省": "兰州市|嘉峪关市|金昌市|白银市|天水市|武威市|张掖市|平凉市|酒泉市|庆阳市|定西市|陇南市|临夏回族自治州|甘南藏族自治州",
    "青海省": "西宁市|海东市|海北藏族自治州|黄南藏族自治州|海南藏族自治州|果洛藏族自治州|玉树藏族自治州|海西蒙古族藏族自治州",
    "宁夏回族自治区": "银川市|石嘴山市|吴忠市|固原市|中卫市",
    "新疆维吾尔自治区": "乌鲁木齐市|克拉玛依市|吐鲁番市|哈密市|昌吉回族自治州|博尔塔拉蒙古自治州|巴音郭楞蒙古自治州|阿克苏地区|克孜勒苏柯尔克孜自治州|喀什地区|和田地区|伊犁哈萨克自治州|塔城地区|阿勒泰地区",
    "香港特别行政区": "香港岛|九龙|新界",
    "澳门特别行政区": "澳门半岛|氹仔|路环",
    "台湾省": "台北市|新北市|桃园市|台中市|台南市|高雄市|基隆市|新竹市|嘉义市|新竹县|苗栗县|彰化县|南投县|云林县|嘉义县|屏东县|宜兰县|花莲县|台东县|澎湖县|金门县|连江县",
    "海外": "海外",
  };

  var root = document.querySelector("[data-feedback-select]");
  var form = document.querySelector("[data-feedback-form]");
  var typeInput = document.querySelector("[data-feedback-type]");
  var contentInput = document.querySelector("[data-feedback-content]");
  var contactInput = document.querySelector("[data-feedback-contact]");
  var fileInput = document.querySelector("[data-feedback-file]");
  var fileText = document.querySelector("[data-feedback-file-text]");
  var uploadEl = document.querySelector("[data-feedback-upload]");
  var previewList = document.querySelector("[data-feedback-preview-list]");
  var submitBtn = document.querySelector("[data-feedback-submit]");
  var counter = document.querySelector("[data-feedback-counter]");
  var typeChips = document.querySelectorAll("[data-feedback-type-option]");
  var choiceGroups = document.querySelectorAll("[data-feedback-choice-group]");
  var provinceSelect = document.querySelector("[data-feedback-province]");
  var citySelect = document.querySelector("[data-feedback-city]");
  var operatorSelect = document.querySelector("[data-feedback-operator]");

  var trigger = root ? root.querySelector("[data-feedback-select-trigger]") : null;
  var valueEl = root ? root.querySelector("[data-feedback-select-value]") : null;
  var menu = root ? root.querySelector("[data-feedback-select-menu]") : null;
  var options = root ? root.querySelectorAll(".feedback-select-option") : [];
  var placeholder = valueEl ? valueEl.textContent : "";
  var defaultSubmitText = submitBtn ? submitBtn.textContent : "提交反馈";
  /** @type {{ id: string, file: File, url: string }[]} */
  var selectedFiles = [];
  var fileSeq = 0;

  function setSelectPlaceholderState(select) {
    if (!select) return;
    select.classList.toggle("is-placeholder", !select.value);
  }

  function closeCustomSelect(wrap, restoreFocus) {
    if (!wrap) return;
    var custom = wrap._feedbackSelect;
    if (!custom) return;
    wrap.classList.remove("is-open");
    custom.menu.hidden = true;
    custom.trigger.setAttribute("aria-expanded", "false");
    if (restoreFocus) custom.trigger.focus();
  }

  function closeAllCustomSelects(except) {
    document.querySelectorAll(".feedback-select-wrap.is-open").forEach(function (wrap) {
      if (wrap !== except) closeCustomSelect(wrap, false);
    });
  }

  function focusCustomOption(menu, index) {
    var items = menu.querySelectorAll(".feedback-select-menu-option");
    if (!items.length) return;
    var nextIndex = Math.max(0, Math.min(index, items.length - 1));
    items[nextIndex].focus();
  }

  function openCustomSelect(wrap) {
    if (!wrap) return;
    var custom = wrap._feedbackSelect;
    if (!custom || custom.select.disabled) return;
    closeAllCustomSelects(wrap);
    wrap.classList.add("is-open");
    custom.menu.hidden = false;
    custom.trigger.setAttribute("aria-expanded", "true");
  }

  function buildCustomSelectMenu(select) {
    var wrap = select && select._feedbackSelectWrap;
    var custom = wrap && wrap._feedbackSelect;
    if (!custom) return;
    custom.menu.innerHTML = "";

    Array.prototype.forEach.call(select.options, function (nativeOption) {
      if (nativeOption.disabled) return;
      var option = document.createElement("button");
      option.type = "button";
      option.className = "feedback-select-menu-option";
      option.textContent = nativeOption.textContent;
      option.setAttribute("role", "option");
      option.setAttribute("data-value", nativeOption.value);
      option.setAttribute("aria-selected", nativeOption.selected ? "true" : "false");
      option.classList.toggle("is-selected", nativeOption.selected);

      option.addEventListener("click", function () {
        select.value = nativeOption.value;
        select.dispatchEvent(new Event("change", { bubbles: true }));
        closeCustomSelect(wrap, true);
      });
      option.addEventListener("keydown", function (event) {
        var items = Array.prototype.slice.call(
          custom.menu.querySelectorAll(".feedback-select-menu-option"),
        );
        var index = items.indexOf(option);
        if (event.key === "ArrowDown") {
          event.preventDefault();
          focusCustomOption(custom.menu, index + 1);
        } else if (event.key === "ArrowUp") {
          event.preventDefault();
          focusCustomOption(custom.menu, index - 1);
        } else if (event.key === "Home") {
          event.preventDefault();
          focusCustomOption(custom.menu, 0);
        } else if (event.key === "End") {
          event.preventDefault();
          focusCustomOption(custom.menu, items.length - 1);
        } else if (event.key === "Escape") {
          event.preventDefault();
          closeCustomSelect(wrap, true);
        }
      });
      custom.menu.appendChild(option);
    });
  }

  function syncCustomSelect(select) {
    var wrap = select && select._feedbackSelectWrap;
    var custom = wrap && wrap._feedbackSelect;
    if (!custom) return;
    var selected = select.options[select.selectedIndex];
    custom.trigger.textContent = selected
      ? selected.textContent
      : select.getAttribute("aria-label") || "请选择";
    custom.trigger.disabled = select.disabled;
    custom.trigger.classList.toggle("is-placeholder", !select.value);
    wrap.classList.toggle("is-disabled", select.disabled);
    if (select.disabled) closeCustomSelect(wrap, false);
    buildCustomSelectMenu(select);
  }

  function initCustomSelect(select, index) {
    if (!select || select._feedbackSelectWrap) return;
    var wrap = document.createElement("div");
    var triggerButton = document.createElement("button");
    var customMenu = document.createElement("div");
    var menuId = (select.id || "feedback-select-" + index) + "-menu";

    wrap.className = "feedback-select-wrap";
    triggerButton.type = "button";
    triggerButton.className = "feedback-select-trigger";
    triggerButton.setAttribute("aria-haspopup", "listbox");
    triggerButton.setAttribute("aria-expanded", "false");
    triggerButton.setAttribute("aria-controls", menuId);
    triggerButton.setAttribute("aria-label", select.getAttribute("aria-label") || "请选择");
    customMenu.className = "feedback-select-menu";
    customMenu.id = menuId;
    customMenu.setAttribute("role", "listbox");
    customMenu.hidden = true;

    select.parentNode.insertBefore(wrap, select);
    wrap.appendChild(select);
    wrap.appendChild(triggerButton);
    wrap.appendChild(customMenu);
    select.classList.add("feedback-select-native");
    select.setAttribute("tabindex", "-1");
    select.setAttribute("aria-hidden", "true");
    select._feedbackSelectWrap = wrap;
    wrap._feedbackSelect = { select: select, trigger: triggerButton, menu: customMenu };

    triggerButton.addEventListener("click", function () {
      if (wrap.classList.contains("is-open")) closeCustomSelect(wrap, false);
      else openCustomSelect(wrap);
    });
    triggerButton.addEventListener("keydown", function (event) {
      if (event.key !== "ArrowDown" && event.key !== "ArrowUp") return;
      event.preventDefault();
      openCustomSelect(wrap);
      var selectedIndex = 0;
      var items = customMenu.querySelectorAll(".feedback-select-menu-option");
      items.forEach(function (item, itemIndex) {
        if (item.classList.contains("is-selected")) selectedIndex = itemIndex;
      });
      focusCustomOption(customMenu, selectedIndex);
    });
    select.addEventListener("change", function () {
      syncCustomSelect(select);
    });
    syncCustomSelect(select);
  }

  function initCustomSelects() {
    [provinceSelect, citySelect, operatorSelect].forEach(initCustomSelect);
  }

  function renderCityOptions(province) {
    if (!citySelect) return;
    citySelect.innerHTML = "";
    var placeholderOption = document.createElement("option");
    placeholderOption.value = "";
    placeholderOption.textContent = "城市(选填)";
    placeholderOption.selected = true;
    citySelect.appendChild(placeholderOption);

    var citySource = CITY_OPTIONS[province] || "";
    var cities = citySource ? citySource.split("|") : [];
    cities.forEach(function (city) {
      var option = document.createElement("option");
      option.value = city;
      option.textContent = city;
      citySelect.appendChild(option);
    });
    citySelect.disabled = cities.length === 0;
    setSelectPlaceholderState(citySelect);
    syncCustomSelect(citySelect);
  }

  [provinceSelect, citySelect, operatorSelect].forEach(function (select) {
    if (!select) return;
    setSelectPlaceholderState(select);
    select.addEventListener("change", function () {
      setSelectPlaceholderState(select);
    });
  });

  if (provinceSelect) {
    provinceSelect.addEventListener("change", function () {
      renderCityOptions(provinceSelect.value);
    });
  }
  renderCityOptions(provinceSelect ? provinceSelect.value : "");
  initCustomSelects();

  function toast(message, type) {
    if (window.AuthAPI && typeof AuthAPI.toast === "function") {
      AuthAPI.toast(message, type);
      return;
    }
    if (typeof showToast === "function") {
      showToast(message, type);
      return;
    }
  }

  function setSubmitting(loading) {
    if (!submitBtn) return;
    submitBtn.disabled = !!loading;
    submitBtn.classList.toggle("is-loading", !!loading);
    submitBtn.textContent = loading ? "提交中..." : defaultSubmitText;
  }

  function updateUploadState() {
    var count = selectedFiles.length;
    if (uploadEl) uploadEl.classList.toggle("is-full", count >= MAX_FILES);
    if (previewList) previewList.hidden = count === 0;
    if (fileText) {
      fileText.textContent =
        count > 0
          ? "已选 " + count + "/" + MAX_FILES + " 个文件"
          : "支持jpg/png 最多3个文件";
    }
  }

  function renderPreviews() {
    if (!previewList) return;
    previewList.innerHTML = "";
    selectedFiles.forEach(function (item) {
      var li = document.createElement("li");
      li.className = "feedback-upload-item";
      li.setAttribute("data-file-id", item.id);

      var img = document.createElement("img");
      img.src = item.url;
      img.alt = item.file.name || "截图预览";

      var removeBtn = document.createElement("button");
      removeBtn.type = "button";
      removeBtn.className = "feedback-upload-remove";
      removeBtn.setAttribute("aria-label", "移除图片");
      removeBtn.textContent = "×";
      removeBtn.addEventListener("click", function (event) {
        event.preventDefault();
        event.stopPropagation();
        removeFile(item.id);
      });

      li.appendChild(img);
      li.appendChild(removeBtn);
      previewList.appendChild(li);
    });
    updateUploadState();
  }

  function clearFiles() {
    selectedFiles.forEach(function (item) {
      if (item.url) URL.revokeObjectURL(item.url);
    });
    selectedFiles = [];
    if (fileInput) fileInput.value = "";
    renderPreviews();
  }

  function removeFile(id) {
    var next = [];
    selectedFiles.forEach(function (item) {
      if (item.id === id) {
        if (item.url) URL.revokeObjectURL(item.url);
      } else {
        next.push(item);
      }
    });
    selectedFiles = next;
    if (fileInput) fileInput.value = "";
    renderPreviews();
  }

  function isAcceptedImage(file) {
    if (!file) return false;
    if (file.type && ACCEPT_TYPES[file.type]) return true;
    var name = String(file.name || "").toLowerCase();
    return /\.(png|jpe?g)$/.test(name);
  }

  function addFiles(fileList) {
    if (!fileList || !fileList.length) return;
    var remain = MAX_FILES - selectedFiles.length;
    if (remain <= 0) {
      toast("最多上传 " + MAX_FILES + " 张图片", "error");
      return;
    }

    var files = Array.prototype.slice.call(fileList, 0);
    var added = 0;
    var skippedSize = 0;
    var skippedType = 0;
    var skippedLimit = 0;

    for (var i = 0; i < files.length; i++) {
      if (added >= remain) {
        skippedLimit += files.length - i;
        break;
      }
      var file = files[i];
      if (!isAcceptedImage(file)) {
        skippedType += 1;
        continue;
      }
      if (file.size > MAX_SIZE) {
        skippedSize += 1;
        continue;
      }
      fileSeq += 1;
      selectedFiles.push({
        id: "f" + fileSeq,
        file: file,
        url: URL.createObjectURL(file),
      });
      added += 1;
    }

    if (skippedType) toast("仅支持 PNG / JPG 图片", "error");
    if (skippedSize) toast("单张图片不能超过 5MB", "error");
    if (skippedLimit) toast("最多上传 " + MAX_FILES + " 张图片", "error");

    renderPreviews();
  }

  function openMenu() {
    if (!root) return;
    root.classList.add("is-open");
    if (menu) menu.hidden = false;
    if (trigger) trigger.setAttribute("aria-expanded", "true");
  }

  function closeMenu() {
    if (!root) return;
    root.classList.remove("is-open");
    if (menu) menu.hidden = true;
    if (trigger) trigger.setAttribute("aria-expanded", "false");
  }

  function toggleMenu() {
    if (!root) return;
    if (root.classList.contains("is-open")) closeMenu();
    else openMenu();
  }

  function selectOption(option) {
    var value = option.getAttribute("data-value") || "";
    var label = option.textContent.trim();
    if (typeInput) typeInput.value = value;
    if (valueEl) {
      valueEl.textContent = label;
      valueEl.classList.toggle("is-placeholder", !value);
    }
    options.forEach(function (item) {
      var active = item === option;
      item.classList.toggle("is-active", active);
      item.setAttribute("aria-selected", active ? "true" : "false");
    });
    closeMenu();
  }

  if (trigger) {
    trigger.addEventListener("click", function (event) {
      event.preventDefault();
      toggleMenu();
    });
  }

  options.forEach(function (option) {
    option.setAttribute("aria-selected", "false");
    option.addEventListener("click", function () {
      selectOption(option);
    });
  });

  typeChips.forEach(function (chip) {
    chip.addEventListener("click", function () {
      typeChips.forEach(function (item) {
        item.classList.toggle("is-active", item === chip);
      });
      if (typeInput) {
        var nextType = chip.getAttribute("data-value") || "4";
        typeInput.value = nextType;
        typeInput.setAttribute("value", nextType);
      }
    });
  });

  choiceGroups.forEach(function (group) {
    group.querySelectorAll(".feedback-chip").forEach(function (chip) {
      chip.addEventListener("click", function () {
        group.querySelectorAll(".feedback-chip").forEach(function (item) {
          item.classList.toggle("is-active", item === chip);
        });
      });
    });
  });

  function updateCounter() {
    if (!counter || !contentInput) return;
    counter.textContent = String(contentInput.value.length) + "/500";
  }

  if (contentInput) contentInput.addEventListener("input", updateCounter);

  document.addEventListener("click", function (event) {
    if (root && !root.contains(event.target)) closeMenu();
    if (!event.target.closest(".feedback-select-wrap")) closeAllCustomSelects(null);
  });

  document.addEventListener("keydown", function (event) {
    if (event.key === "Escape") closeMenu();
    if (event.key === "Escape") closeAllCustomSelects(null);
  });

  if (fileInput) {
    fileInput.addEventListener("change", function () {
      addFiles(fileInput.files);
      fileInput.value = "";
    });
  }

  function requireLogin() {
    if (window.CookieUtil && CookieUtil.isLoggedIn()) return true;
    toast("请先登录后再提交反馈", "error");
    var loginURL = "/login/return/feedback/";
    if (typeof window.openLoginDialog === "function") {
      var opened = window.openLoginDialog();
      if (opened && typeof opened.then === "function") {
        opened.catch(function () {
          window.location.href = loginURL;
        });
      }
    } else {
      window.location.href = loginURL;
    }
    return false;
  }

  function uploadAllImages() {
    if (!selectedFiles.length) return Promise.resolve([]);
    if (!window.AuthAPI || typeof AuthAPI.uploadImage !== "function") {
      return Promise.reject(new Error("上传组件未加载"));
    }
    var urls = [];
    var chain = Promise.resolve();
    selectedFiles.forEach(function (item) {
      chain = chain.then(function () {
        return AuthAPI.uploadImage(item.file).then(function (data) {
          var url = (data && (data.url || data.sourceNameFs)) || "";
          if (!url) throw new Error("上传失败");
          urls.push(url);
        });
      });
    });
    return chain.then(function () {
      return urls;
    });
  }

  if (!form) return;

  if (typeInput && typeChips.length) {
    var initialTypeChip = document.querySelector("[data-feedback-type-option].is-active") || typeChips[0];
    typeInput.value = initialTypeChip.getAttribute("data-value") || "2";
  }
  updateUploadState();

  form.addEventListener("submit", function (event) {
    event.preventDefault();

    if (!window.HttpRequest) {
      return;
    }
    if (submitBtn && submitBtn.classList.contains("is-loading")) return;
    if (!requireLogin()) return;

    var activeTypeChip = document.querySelector("[data-feedback-type-option].is-active");
    var type = parseInt(
      activeTypeChip
        ? activeTypeChip.getAttribute("data-value")
        : typeInput && typeInput.value
          ? typeInput.value
          : "",
      10,
    );
    if (!(type >= 1 && type <= 4)) {
      toast("请选择问题类型", "error");
      openMenu();
      if (valueEl) {
        valueEl.textContent = placeholder;
        valueEl.classList.add("is-placeholder");
      }
      return;
    }

    var content = contentInput ? String(contentInput.value || "").trim() : "";
    if (!content) {
      toast("请填写问题描述", "error");
      if (contentInput) contentInput.focus();
      return;
    }
    if (content.length > 500) {
      toast("问题描述最多 500 字", "error");
      return;
    }
    if (selectedFiles.length > MAX_FILES) {
      toast("最多上传 " + MAX_FILES + " 张图片", "error");
      return;
    }
    for (var i = 0; i < selectedFiles.length; i++) {
      if (selectedFiles[i].file.size > MAX_SIZE) {
        toast("单张图片不能超过 5MB", "error");
        return;
      }
    }

    var contact = contactInput ? String(contactInput.value || "").trim() : "";
    if (!contact) {
      toast("请填写联系方式", "error");
      if (contactInput) contactInput.focus();
      return;
    }
    setSubmitting(true);

    uploadAllImages()
      .then(function (screenshots) {
        var body = {
          type: type,
          content: content,
        };
        if (contact) body.contact = contact;
        if (screenshots && screenshots.length) body.screenshots = screenshots;
        return HttpRequest.post("/api/feedback/add", body);
      })
      .then(function (res) {
        if (!res || res.code !== 200) {
          var err = new Error((res && (res.tip || res.msg)) || "提交失败");
          err.code = res && res.code;
          err.data = res;
          throw err;
        }
        toast((res && res.tip) || "提交成功", "success");
        form.reset();
        renderCityOptions("");
        setSelectPlaceholderState(provinceSelect);
        setSelectPlaceholderState(operatorSelect);
        syncCustomSelect(provinceSelect);
        syncCustomSelect(operatorSelect);
        if (typeInput) typeInput.value = "";
        if (valueEl) {
          valueEl.textContent = placeholder;
          valueEl.classList.add("is-placeholder");
        }
        options.forEach(function (item) {
          item.classList.remove("is-active");
          item.setAttribute("aria-selected", "false");
        });
        typeChips.forEach(function (item, index) {
          item.classList.toggle("is-active", index === 0);
        });
        if (typeInput && typeChips.length) {
          typeInput.value = typeChips[0].getAttribute("data-value") || "2";
        }
        choiceGroups.forEach(function (group) {
          var groupChips = group.querySelectorAll(".feedback-chip");
          groupChips.forEach(function (item, index) {
            item.classList.toggle("is-active", index === 0 && group.hasAttribute("data-default-first"));
          });
        });
        updateCounter();
        clearFiles();
      })
      .catch(function (err) {
        if (err && err.code === 401) {
          toast("请先登录后再提交反馈", "error");
          if (typeof window.openLoginDialog === "function") {
            var opened = window.openLoginDialog();
            if (opened && typeof opened.then === "function") {
              opened.catch(function () {
                window.location.href = "/login/return/feedback/";
              });
            }
          }
          return;
        }
        toast((err && err.message) || "提交失败", "error");
      })
      .finally(function () {
        setSubmitting(false);
      });
  });
})();