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

  var currentProfile = null;
  var selectedAvatarFile = null;

  var summaryCards = [
    {
      title: "线上预约板块",
      color: "#2277ff",
      metrics: [
        { label: "预约登记数", value: "2837" },
        { label: "来访车辆数", value: "637" }
      ],
      foot: "近7日预约数据概览"
    },
    {
      title: "现场预约板块",
      color: "#1f9a6b",
      metrics: [
        { label: "预约登记数", value: "2837" },
        { label: "来访车辆数", value: "637" }
      ],
      foot: "近7日预约数据概览"
    },
    {
      title: "来访中",
      color: "#2e78ff",
      metrics: [
        { label: "", value: "6", unit: "人" }
      ],
      foot: "实时状态统计"
    },
    {
      title: "已签离",
      color: "#2fb579",
      metrics: [
        { label: "", value: "3", unit: "人" }
      ],
      foot: "实时状态统计"
    },
    {
      title: "逾期滞留",
      color: "#f39822",
      metrics: [
        { label: "", value: "0", unit: "人" }
      ],
      foot: "实时状态统计"
    }
  ];

  var quickEntries = [
    { title: "部门管理", color: "#2580ff", icon: "tree" },
    { title: "员工管理", color: "#ff7545", icon: "user" },
    { title: "设备管理", color: "#ff4c5d", icon: "device", href: "./visitor-machine.html" },
    { title: "预约记录", color: "#ff9e33", icon: "book" },
    { title: "区域管理", color: "#43bd19", icon: "map", href: "./area-management.html" },
    { title: "账号管理", color: "#5b77f1", icon: "account" },
    { title: "系统配置", color: "#416bea", icon: "config", href: "./system-config.html" },
    { title: "系统更新", color: "#22bfc4", icon: "update", href: "./version-update.html" }
  ];

  var chartData = {
    labels: ["09-08", "09-09", "09-10", "09-11", "09-12", "09-13", "09-14"],
   现场登记: [86, 132, 58, 92, 146, 138, 82],
    预约登记: [118, 168, 72, 105, 186, 174, 126],
    车辆来访: [70, 106, 78, 54, 95, 118, 72]
  };

  renderSummaryCards();
  renderQuickEntries();
  drawTrendChart();
  bindActions();
  loadProfile();
  window.addEventListener("resize", drawTrendChart);

  function renderSummaryCards() {
    var root = document.getElementById("summaryCards");
    root.innerHTML = summaryCards.map(function (card) {
      return [
        '<article class="summary-card">',
        '  <div class="card-title" style="color:' + card.color + '">',
        '    <span class="title-mark"></span>',
        '    <span class="card-icon"></span>',
        '    <span>' + card.title + '</span>',
        '  </div>',
        '  <div class="metric-list">',
        card.metrics.map(function (metric) {
          return [
            '    <div class="metric">',
            metric.label ? '      <div class="metric-label">' + metric.label + '</div>' : '      <div class="metric-label">&nbsp;</div>',
            '      <div class="metric-value">' + metric.value + (metric.unit ? '<span class="metric-unit">' + metric.unit + '</span>' : "") + '</div>',
            '    </div>'
          ].join("");
        }).join(""),
        '  </div>',
        '  <div class="card-foot">' + card.foot + '</div>',
        '</article>'
      ].join("");
    }).join("");
  }

  function renderQuickEntries() {
    var root = document.getElementById("quickEntries");
    root.innerHTML = quickEntries.map(function (item) {
      return [
        '<a class="quick-entry" href="' + (item.href || "#") + '">',
        '  <span class="quick-icon" style="--entry-color:' + item.color + '">' + getIcon(item.icon) + '</span>',
        '  <span>' + item.title + '</span>',
        '</a>'
      ].join("");
    }).join("");
  }

  function drawTrendChart() {
    var canvas = document.getElementById("trendChart");
    var rect = canvas.getBoundingClientRect();
    var dpr = window.devicePixelRatio || 1;
    canvas.width = Math.max(760, Math.floor(rect.width * dpr));
    canvas.height = Math.floor(282 * dpr);

    var ctx = canvas.getContext("2d");
    ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    var width = canvas.width / dpr;
    var height = canvas.height / dpr;
    var padding = { left: 42, right: 16, top: 24, bottom: 36 };
    var chartWidth = width - padding.left - padding.right;
    var chartHeight = height - padding.top - padding.bottom;
    var max = 180;
    var ticks = [0, 30, 60, 90, 120, 150, 180];

    ctx.clearRect(0, 0, width, height);
    ctx.font = "10px Microsoft YaHei, Arial";
    ctx.textAlign = "right";
    ctx.textBaseline = "middle";

    ticks.forEach(function (tick) {
      var y = padding.top + chartHeight - (tick / max) * chartHeight;
      ctx.strokeStyle = "#edf2f8";
      ctx.lineWidth = 1;
      ctx.beginPath();
      ctx.moveTo(padding.left, y);
      ctx.lineTo(width - padding.right, y);
      ctx.stroke();
      ctx.fillStyle = "#9aabc0";
      ctx.fillText(String(tick), padding.left - 8, y);
    });

    ctx.textAlign = "center";
    ctx.textBaseline = "top";
    chartData.labels.forEach(function (label, index) {
      var x = padding.left + (chartWidth / (chartData.labels.length - 1)) * index;
      ctx.fillStyle = "#9aabc0";
      ctx.fillText(label, x, height - 20);
    });

    drawSeries(ctx, chartData["现场登记"], "#3c7cff", padding, chartWidth, chartHeight, max, true);
    drawSeries(ctx, chartData["预约登记"], "#23bd8e", padding, chartWidth, chartHeight, max, true);
    drawSeries(ctx, chartData["车辆来访"], "#f3a019", padding, chartWidth, chartHeight, max, false);
  }

  function drawSeries(ctx, data, color, padding, chartWidth, chartHeight, max, fill) {
    var points = data.map(function (value, index) {
      return {
        x: padding.left + (chartWidth / (data.length - 1)) * index,
        y: padding.top + chartHeight - (value / max) * chartHeight
      };
    });

    ctx.strokeStyle = color;
    ctx.lineWidth = 1.5;
    ctx.beginPath();
    points.forEach(function (point, index) {
      if (index === 0) {
        ctx.moveTo(point.x, point.y);
      } else {
        var previous = points[index - 1];
        var midX = (previous.x + point.x) / 2;
        ctx.bezierCurveTo(midX, previous.y, midX, point.y, point.x, point.y);
      }
    });
    ctx.stroke();

    if (fill) {
      var gradient = ctx.createLinearGradient(0, padding.top, 0, padding.top + chartHeight);
      gradient.addColorStop(0, color + "22");
      gradient.addColorStop(1, color + "03");
      ctx.lineTo(points[points.length - 1].x, padding.top + chartHeight);
      ctx.lineTo(points[0].x, padding.top + chartHeight);
      ctx.closePath();
      ctx.fillStyle = gradient;
      ctx.fill();
    }

    points.forEach(function (point) {
      ctx.fillStyle = color;
      ctx.beginPath();
      ctx.arc(point.x, point.y, 2.2, 0, Math.PI * 2);
      ctx.fill();
    });
  }

  function bindActions() {
    var userMenuButton = document.getElementById("userMenuButton");
    var userDropdown = document.getElementById("userDropdown");
    var profileForm = document.getElementById("profileForm");
    var passwordForm = document.getElementById("passwordForm");
    var fullscreenButton = document.querySelector(".icon-button");
    var avatarBox = document.getElementById("avatarBox");
    var avatarFile = document.getElementById("avatarFile");

    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 === "profile") {
        openProfileModal();
      } else if (action === "password") {
        openPasswordModal();
      } else if (action === "logout") {
        logout();
      }
    });

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

    document.querySelectorAll("[data-close]").forEach(function (button) {
      button.addEventListener("click", function () {
        closeModal(button.getAttribute("data-close"));
      });
    });

    profileForm.addEventListener("submit", function (event) {
      event.preventDefault();
      saveProfile();
    });

    avatarBox.addEventListener("click", function () {
      avatarFile.click();
    });

    avatarFile.addEventListener("change", function () {
      var file = avatarFile.files && avatarFile.files[0];
      if (!file) {
        return;
      }
      if (!/^image\//.test(file.type)) {
        setModalMessage("profileMessage", "请选择图片文件", "error");
        avatarFile.value = "";
        return;
      }
      selectedAvatarFile = file;
      showAvatarPreview(URL.createObjectURL(file));
      setModalMessage("profileMessage", "", "");
    });

    passwordForm.addEventListener("submit", function (event) {
      event.preventDefault();
      updatePassword();
    });

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

  function loadProfile() {
    if (!getToken()) {
      redirectToLogin();
      return;
    }
    apiRequest("/system/user/profile", { method: "GET" }).then(function (result) {
      currentProfile = result.data || {};
      applyUserInfo(currentProfile);
    }).catch(function (error) {
      applyUserInfo(readLoginUser());
      AppMessage.error("操作失败：" + (error.message || "用户信息加载失败"));
    });
  }

  function openProfileModal() {
    var profile = currentProfile || readLoginUser();
    fillProfileForm(profile);
    setModalMessage("profileMessage", "", "");
    openModal("profile");
    apiRequest("/system/user/profile", { method: "GET" }).then(function (result) {
      currentProfile = result.data || {};
      applyUserInfo(currentProfile);
      fillProfileForm(currentProfile);
    }).catch(function (error) {
      setModalMessage("profileMessage", error.message || "账号信息加载失败", "error");
    });
  }

  function saveProfile() {
    var payload = {
      nickName: valueOf("profileNickName"),
      phonenumber: currentProfile && currentProfile.phonenumber ? currentProfile.phonenumber : "",
      email: currentProfile && currentProfile.email ? currentProfile.email : "",
      sex: currentProfile && currentProfile.sex != null ? String(currentProfile.sex) : "2"
    };

    if (!payload.nickName) {
      setModalMessage("profileMessage", "请输入用户名称", "error");
      return;
    }

    apiRequest("/system/user/profile", {
      method: "PUT",
      body: JSON.stringify(payload)
    }).then(function () {
      if (!selectedAvatarFile) {
        return null;
      }
      var formData = new FormData();
      formData.append("avatarfile", selectedAvatarFile);
      return apiRequest("/system/user/profile/avatar", {
        method: "POST",
        body: formData,
        skipJson: true
      });
    }).then(function (avatarResult) {
      currentProfile = Object.assign({}, currentProfile || {}, payload);
      if (avatarResult && avatarResult.imgUrl) {
        currentProfile.avatar = avatarResult.imgUrl;
      }
      selectedAvatarFile = null;
      document.getElementById("avatarFile").value = "";
      applyUserInfo(currentProfile);
      setModalMessage("profileMessage", "保存成功", "success");
      AppMessage.success("操作成功");
    }).catch(function (error) {
      var message = error.message || "保存失败";
      setModalMessage("profileMessage", message, "error");
      AppMessage.error("操作失败：" + message);
    });
  }

  function openPasswordModal() {
    document.getElementById("passwordForm").reset();
    setModalMessage("passwordMessage", "", "");
    openModal("password");
  }

  function updatePassword() {
    var oldPassword = valueOf("oldPassword");
    var newPassword = valueOf("newPassword");
    var confirmPassword = valueOf("confirmPassword");

    if (!oldPassword || !newPassword || !confirmPassword) {
      setModalMessage("passwordMessage", "请完整填写密码", "error");
      return;
    }
    if (!isStrongPassword(newPassword)) {
      setModalMessage("passwordMessage", "新密码至少12位，需包含大小写字母和特殊字符", "error");
      return;
    }
    if (newPassword !== confirmPassword) {
      setModalMessage("passwordMessage", "两次输入的新密码不一致", "error");
      return;
    }

    var params = new URLSearchParams();
    params.set("oldPassword", oldPassword);
    params.set("newPassword", newPassword);
    apiRequest("/system/user/profile/updatePwd?" + params.toString(), {
      method: "PUT",
      skipJson: true
    }).then(function () {
      setModalMessage("passwordMessage", "密码修改成功，请重新登录", "success");
      AppMessage.success("操作成功");
      window.setTimeout(function () {
        clearLoginState();
        redirectToLogin();
      }, 600);
    }).catch(function (error) {
      var message = error.message || "密码修改失败";
      setModalMessage("passwordMessage", message, "error");
      AppMessage.error("操作失败：" + message);
    });
  }

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

  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 applyUserInfo(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 fillProfileForm(user) {
    selectedAvatarFile = null;
    document.getElementById("avatarFile").value = "";
    document.getElementById("profileNickName").value = user.nickName || user.userName || user.username || "";
    if (user.avatar) {
      showAvatarPreview(resolveResourceUrl(user.avatar));
    } else {
      hideAvatarPreview();
    }
  }

  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 openModal(type) {
    document.getElementById(type + "Modal").hidden = false;
  }

  function closeModal(type) {
    document.getElementById(type + "Modal").hidden = true;
  }

  function setModalMessage(id, text, type) {
    var element = document.getElementById(id);
    element.textContent = text;
    element.classList.toggle("success", type === "success");
  }

  function showAvatarPreview(src) {
    var preview = document.getElementById("avatarPreview");
    document.getElementById("avatarPlus").hidden = true;
    preview.src = src;
    preview.hidden = false;
  }

  function hideAvatarPreview() {
    var preview = document.getElementById("avatarPreview");
    preview.removeAttribute("src");
    preview.hidden = true;
    document.getElementById("avatarPlus").hidden = false;
  }

  function resolveResourceUrl(path) {
    if (/^https?:\/\//i.test(path)) {
      return path;
    }
    return getApiBaseUrl() + normalizePath(path);
  }

  function isStrongPassword(password) {
    return password.length >= 12
      && /[a-z]/.test(password)
      && /[A-Z]/.test(password)
      && /[^A-Za-z0-9]/.test(password);
  }

  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 valueOf(id) {
    return document.getElementById(id).value.trim();
  }

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

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

  function getIcon(type) {
    var icons = {
      tree: '<svg viewBox="0 0 24 24"><path d="M12 4v16"></path><path d="M12 7H7v5"></path><path d="M12 12h5v5"></path><rect x="4" y="12" width="6" height="6" rx="1"></rect><rect x="14" y="17" width="6" height="4" rx="1"></rect></svg>',
      user: '<svg viewBox="0 0 24 24"><circle cx="12" cy="8" r="4"></circle><path d="M5 21a7 7 0 0 1 14 0"></path></svg>',
      device: '<svg viewBox="0 0 24 24"><rect x="4" y="5" width="16" height="11" rx="2"></rect><path d="M8 21h8"></path><path d="M12 16v5"></path></svg>',
      book: '<svg viewBox="0 0 24 24"><path d="M6 4h11a2 2 0 0 1 2 2v14H8a2 2 0 0 1-2-2z"></path><path d="M8 4v14"></path></svg>',
      map: '<svg viewBox="0 0 24 24"><path d="M4 6l5-2 6 2 5-2v14l-5 2-6-2-5 2z"></path><path d="M9 4v14"></path><path d="M15 6v14"></path></svg>',
      account: '<svg viewBox="0 0 24 24"><circle cx="12" cy="8" r="3"></circle><path d="M7 20v-2a5 5 0 0 1 10 0v2"></path></svg>',
      config: '<svg viewBox="0 0 24 24"><path d="M12 15a3 3 0 1 0 0-6 3 3 0 0 0 0 6z"></path><path d="M19 12h2"></path><path d="M3 12h2"></path><path d="M12 3v2"></path><path d="M12 19v2"></path></svg>',
      update: '<svg viewBox="0 0 24 24"><path d="M4 12a8 8 0 0 1 13-6"></path><path d="M17 4v5h-5"></path><path d="M20 12a8 8 0 0 1-13 6"></path><path d="M7 20v-5h5"></path></svg>'
    };
    return icons[type] || icons.config;
  }
})();