(function () {
  var config = Object.assign({
    apiBaseUrl: "http://localhost:9098"
  }, window.VISITOR_LOGIN_CONFIG || {});

  var PROTOCOL_TYPE = "ENTRY_COMMITMENT";
  var PROTOCOL_NAME = "入园承诺";
  var editor = document.getElementById("protocolEditor");
  var editorShell = document.getElementById("editorShell");

  init();

  function init() {
    if (!getToken()) {
      redirectToLogin();
      return;
    }
    bindLayoutActions();
    bindEditorActions();
    bindFormActions();
    applyUserInfo(readLoginUser());
    loadProfileName();
    loadProtocol();
  }

  function bindLayoutActions() {
    var userMenuButton = document.getElementById("userMenuButton");
    var userDropdown = document.getElementById("userDropdown");
    var fullscreenButton = document.querySelector(".icon-button");

    userMenuButton.addEventListener("click", function (event) {
      event.stopPropagation();
      var hidden = userDropdown.hidden;
      userDropdown.hidden = !hidden;
      userMenuButton.setAttribute("aria-expanded", String(hidden));
    });

    userDropdown.addEventListener("click", function (event) {
      var action = event.target.getAttribute("data-action");
      if (!action) {
        return;
      }
      userDropdown.hidden = true;
      userMenuButton.setAttribute("aria-expanded", "false");
      if (action === "home") {
        window.location.href = "./dashboard.html";
      } else if (action === "logout") {
        logout();
      }
    });

    document.addEventListener("click", function () {
      userDropdown.hidden = true;
      userMenuButton.setAttribute("aria-expanded", "false");
    });

    fullscreenButton.addEventListener("click", function () {
      if (!document.fullscreenElement && document.documentElement.requestFullscreen) {
        document.documentElement.requestFullscreen();
      } else if (document.exitFullscreen) {
        document.exitFullscreen();
      }
    });
  }

  function bindEditorActions() {
    document.querySelectorAll(".editor-toolbar button").forEach(function (button) {
      button.addEventListener("click", function () {
        if (button.id === "editorFullscreen") {
          editorShell.classList.toggle("fullscreen");
          editor.focus();
          return;
        }
        runEditorCommand(button.getAttribute("data-command"), button.getAttribute("data-value"));
      });
    });

    editor.addEventListener("paste", function (event) {
      event.preventDefault();
      var html = event.clipboardData.getData("text/html");
      var text = event.clipboardData.getData("text/plain");
      insertHtml(html ? sanitizeHtml(html) : escapeHtml(text).replace(/\n/g, "<br>"));
    });

    document.addEventListener("keydown", function (event) {
      if (event.key === "Escape" && editorShell.classList.contains("fullscreen")) {
        editorShell.classList.remove("fullscreen");
      }
    });
  }

  function bindFormActions() {
    document.getElementById("protocolForm").addEventListener("submit", function (event) {
      event.preventDefault();
      saveProtocol();
    });
  }

  function runEditorCommand(command, value) {
    editor.focus();
    document.execCommand(command, false, value || null);
  }

  function insertHtml(html) {
    editor.focus();
    document.execCommand("insertHTML", false, html);
  }

  function loadProfileName() {
    apiRequest("/system/user/profile", { method: "GET" }).then(function (result) {
      applyUserInfo(result.data || {});
    }).catch(function () {
      applyUserInfo(readLoginUser());
    });
  }

  function loadProtocol() {
    apiRequest("/system/protocol/config/detail", {
      method: "POST",
      body: JSON.stringify({ protocolType: PROTOCOL_TYPE })
    }).then(function (result) {
      var data = result.data || {};
      editor.innerHTML = sanitizeHtml(data.protocolContent || "");
    }).catch(function (error) {
      editor.innerHTML = "";
      AppMessage.error("操作失败：" + (error.message || "入园承诺加载失败"));
    });
  }

  function saveProtocol() {
    var saveButton = document.getElementById("saveProtocolButton");
    var content = sanitizeHtml(editor.innerHTML || "").trim();
    if (!content || !editor.textContent.trim()) {
      AppMessage.error("操作失败：请输入入园承诺内容");
      return;
    }

    saveButton.disabled = true;
    apiRequest("/system/protocol/config/save", {
      method: "POST",
      body: JSON.stringify({
        protocolType: PROTOCOL_TYPE,
        protocolName: PROTOCOL_NAME,
        protocolContent: content,
        enabled: true
      })
    }).then(function (result) {
      var data = result.data || {};
      editor.innerHTML = sanitizeHtml(data.protocolContent || content);
      AppMessage.success("操作成功");
    }).catch(function (error) {
      AppMessage.error("操作失败：" + (error.message || "入园承诺保存失败"));
    }).then(function () {
      saveButton.disabled = false;
    });
  }

  function apiRequest(path, options) {
    options = options || {};
    var headers = options.headers || {};
    var token = getToken();
    if (token) {
      headers.Authorization = "Bearer " + token;
    }
    if (!options.skipJson) {
      headers["Content-Type"] = "application/json";
    }

    return fetch(getApiBaseUrl() + normalizePath(path), {
      method: options.method || "GET",
      headers: headers,
      body: options.body
    }).then(function (response) {
      return response.json().catch(function () {
        return { code: response.ok ? 200 : response.status, msg: response.statusText };
      });
    }).then(function (result) {
      if (result.code === 401) {
        clearLoginState();
        redirectToLogin();
        throw new Error(result.msg || "登录状态已过期");
      }
      if (result.code !== 200) {
        throw new Error(result.msg || "请求失败");
      }
      return result;
    });
  }

  function logout() {
    apiRequest("/logout", {
      method: "POST",
      skipJson: true
    }).catch(function () {
      return null;
    }).then(function () {
      clearLoginState();
      redirectToLogin();
    });
  }

  function applyUserInfo(user) {
    user = user || {};
    var displayName = user.nickName || user.userName || user.username || "用户";
    document.getElementById("userDisplayName").textContent = displayName;
    document.querySelector(".user-avatar").textContent = displayName.substring(0, 1);
  }

  function readLoginUser() {
    try {
      var loginResult = JSON.parse(localStorage.getItem("visitor_admin_login_result") || "{}");
      return (loginResult.userInfo && loginResult.userInfo.user) || loginResult.user || {};
    } catch (error) {
      return {};
    }
  }

  function sanitizeHtml(html) {
    var template = document.createElement("template");
    template.innerHTML = String(html || "");
    template.content.querySelectorAll("script, style, iframe, object, embed, link, meta").forEach(function (node) {
      node.parentNode.removeChild(node);
    });
    template.content.querySelectorAll("*").forEach(function (node) {
      Array.prototype.slice.call(node.attributes).forEach(function (attribute) {
        var name = attribute.name.toLowerCase();
        var value = attribute.value || "";
        if (name.indexOf("on") === 0 || /javascript:/i.test(value)) {
          node.removeAttribute(attribute.name);
        }
      });
    });
    return template.innerHTML;
  }

  function getApiBaseUrl() {
    return trimRightSlash(localStorage.getItem("visitor_admin_api_base") || config.apiBaseUrl || window.location.origin);
  }

  function getToken() {
    return localStorage.getItem("visitor_admin_token") || "";
  }

  function clearLoginState() {
    localStorage.removeItem("visitor_admin_token");
    localStorage.removeItem("visitor_admin_login_result");
    localStorage.removeItem("visitor_admin_api_base");
  }

  function redirectToLogin() {
    window.location.href = "../index.html";
  }

  function normalizePath(path) {
    return "/" + String(path || "").replace(/^\/+/, "");
  }

  function trimRightSlash(value) {
    return String(value || "").replace(/\/+$/, "");
  }

  function escapeHtml(value) {
    return String(value == null ? "" : value).replace(/[&<>"']/g, function (char) {
      return {
        "&": "&amp;",
        "<": "&lt;",
        ">": "&gt;",
        '"': "&quot;",
        "'": "&#39;"
      }[char];
    });
  }
})();