import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
import {
  Table,
  Button,
  Modal,
  Form,
  Input,
  Select,
  DatePicker,
  message,
  Card,
  Space,
  InputNumber,
  Switch,
  Upload,
  Progress,
  Checkbox,
  Spin,
  Dropdown,
  Tooltip,
  Tag,
  Row,
  Col,
} from 'antd';
import {
  PlusOutlined,
  EditOutlined,
  DeleteOutlined,
  SearchOutlined,
  UploadOutlined,
  DownloadOutlined,
  SettingOutlined,
  UndoOutlined,
  CloudServerOutlined,
  SafetyOutlined,
  DatabaseOutlined,
  AppstoreOutlined,
  MoreOutlined,
  ReloadOutlined,
  ExportOutlined,
  FileExcelOutlined,
  SwapOutlined,
} from '@ant-design/icons';
import axios from 'axios';
import dayjs from 'dayjs';
import { useNavigate } from 'react-router-dom';
import { designTokens } from '../config/theme';
import {
  PAGINATION_CONFIG,
  DEBOUNCE_DELAY,
  TABLE_SCROLL_CONFIG,
  DEFAULT_DEVICE_FIELDS,
  BASE_FIELD_NAMES,
  SYSTEM_FIELDS,
  FIXED_FIELDS,
  IMPORT_CONFIG,
  EXPORT_CONFIG,
  MODAL_CONFIG,
  DEVICE_TYPE_OPTIONS,
  DEVICE_STATUS_OPTIONS,
  COLUMN_WIDTH_CONFIG,
  EMPTY_STATE_CONFIG,
  STATUS_MAP,
  TYPE_MAP,
} from '../constants/deviceManagementConstants';
import {
  pageContainerStyle,
  headerStyle,
  titleRowStyle,
  titleSectionStyle,
  titleIconStyle,
  titleTextStyle,
  pageTitleStyle,
  pageSubtitleStyle,
  primaryActionStyle,
  secondaryActionStyle,
  statsRowStyle,
  statCardStyle,
  statValueStyle,
  statLabelStyle,
  statCardRunningStyle,
  statCardMaintenanceStyle,
  statCardFaultStyle,
  cardStyle,
  filterCardStyle,
  modalHeaderStyle,
  tableStyles,
  searchInputStyle,
  selectStyle,
  refreshButtonStyle,
  searchButtonStyle,
  resetButtonStyle,
  importModalStyles,
  detailModalStyles,
  exportModalStyles,
  generateGlobalStyles,
  emptyStateStyle,
  emptyStateIconStyle,
  tableContainerStyle,
  resizableTitleStyles,
} from '../styles/deviceManagementStyles';

const { Option } = Select;
const { RangePicker } = DatePicker;

// 防抖 Hook
function useDebounce(value, delay = DEBOUNCE_DELAY) {
  const [debouncedValue, setDebouncedValue] = useState(value);

  useEffect(() => {
    const handler = setTimeout(() => {
      setDebouncedValue(value);
    }, delay);

    return () => {
      clearTimeout(handler);
    };
  }, [value, delay]);

  return debouncedValue;
}

// 工具函数提取到组件外部，避免每次渲染重复创建
const getStatusConfig = status => {
  const statusMap = {
    running: { text: '运行中', color: 'green' },
    maintenance: { text: '维护中', color: 'orange' },
    offline: { text: '离线', color: 'gray' },
    fault: { text: '故障', color: 'red' },
  };
  return statusMap[status] || { text: status, color: 'black' };
};

const getTypeLabel = type => {
  const typeMap = {
    server: '服务器',
    switch: '交换机',
    router: '路由器',
    storage: '存储设备',
    other: '其他设备',
  };
  return typeMap[type] || type;
};

const getDeviceTypeIcon = type => {
  const iconMap = {
    server: <CloudServerOutlined style={{ color: '#1890ff' }} />,
    switch: <SwapOutlined style={{ color: '#52c41a' }} />,
    router: <SafetyOutlined style={{ color: '#faad14' }} />,
    storage: <DatabaseOutlined style={{ color: '#722ed1' }} />,
    other: <AppstoreOutlined style={{ color: '#8c8c8c' }} />,
  };
  return iconMap[type] || <AppstoreOutlined style={{ color: '#8c8c8c' }} />;
};

// 格式化日期
const formatDate = (date, fieldName) => {
  if (!date) return '';

  const dateObj = new Date(date);
  const formattedDate = dateObj.toLocaleDateString('zh-CN');

  if (fieldName === 'warrantyExpiry') {
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    dateObj.setHours(0, 0, 0, 0);

    if (dateObj < today) {
      return <span style={{ color: '#d93025', fontWeight: 'bold' }}>{formattedDate}</span>;
    }
  }

  return formattedDate;
};

// 使用从常量文件导入的默认设备字段配置
const defaultDeviceFields = DEFAULT_DEVICE_FIELDS;

// 简单的可调整列宽的表头组件
const ResizableTitle = props => {
  const { children, onResize, width, ...restProps } = props;

  const handleMouseDown = e => {
    if (!onResize) return;

    e.preventDefault();
    e.stopPropagation();

    const th = e.currentTarget.closest('th');
    if (!th) return;

    const startWidth = th.offsetWidth;
    const startX = e.clientX;

    const handleMouseMove = moveEvent => {
      const diff = moveEvent.clientX - startX;
      const newWidth = Math.max(50, startWidth + diff);
      onResize(newWidth);
    };

    const handleMouseUp = () => {
      document.removeEventListener('mousemove', handleMouseMove);
      document.removeEventListener('mouseup', handleMouseUp);
    };

    document.addEventListener('mousemove', handleMouseMove);
    document.addEventListener('mouseup', handleMouseUp);
  };

  return (
    <th {...restProps} style={{ position: 'relative' }}>
      <div style={resizableTitleStyles.container}>
        <span style={resizableTitleStyles.text}>
          {children}
        </span>
        {onResize && (
          <div
            onMouseDown={handleMouseDown}
            style={resizableTitleStyles.resizeHandle}
          />
        )}
      </div>
    </th>
  );
};

function DeviceManagement() {
  const navigate = useNavigate();
  const [devices, setDevices] = useState([]);
  const [allDevices, setAllDevices] = useState([]);
  const [racks, setRacks] = useState([]);
  const [rooms, setRooms] = useState([]);
  const [selectedRoomId, setSelectedRoomId] = useState(null);
  const [loading, setLoading] = useState(true);
  const [searching, setSearching] = useState(false);
  const [modalVisible, setModalVisible] = useState(false);
  const [editingDevice, setEditingDevice] = useState(null);
  const [form] = Form.useForm();
  // 搜索和筛选状态
  const [keyword, setKeyword] = useState('');
  const [status, setStatus] = useState('all');
  const [type, setType] = useState('all');
  const [searchForm] = Form.useForm();
  // 分页状态 - 使用常量配置
  const [pagination, setPagination] = useState({
    current: 1,
    pageSize: PAGINATION_CONFIG.defaultPageSize,
    total: 0,
    pageSizeOptions: PAGINATION_CONFIG.pageSizeOptions,
    showSizeChanger: PAGINATION_CONFIG.showSizeChanger,
    showTotal: PAGINATION_CONFIG.showTotal,
  });

  // 设备字段配置
  const [deviceFields, setDeviceFields] = useState([]);
  const [loadingFields, setLoadingFields] = useState(true);
  // 导入状态
  const [importModalVisible, setImportModalVisible] = useState(false);
  const [importProgress, setImportProgress] = useState(0);
  const [importPhase, setImportPhase] = useState('');
  const [isImporting, setIsImporting] = useState(false);
  const [importResult, setImportResult] = useState(null);
  const [selectedDevices, setSelectedDevices] = useState([]);
  const [detailModalVisible, setDetailModalVisible] = useState(false);
  const [selectedDevice, setSelectedDevice] = useState(null);

  // 自定义字段状态
  const [customFieldName, setCustomFieldName] = useState('');
  const [customFieldValue, setCustomFieldValue] = useState('');

  // 字段配置模态框
  const [fieldConfigModalVisible, setFieldConfigModalVisible] = useState(false);

  // 批量状态变更模态框
  const [batchStatusModalVisible, setBatchStatusModalVisible] = useState(false);
  const [batchStatusLoading, setBatchStatusLoading] = useState(false);
  const [batchStatusForm] = Form.useForm();

  // 导出选项模态框
  const [exportModalVisible, setExportModalVisible] = useState(false);
  const [exportFormat, setExportFormat] = useState('csv');
  const [exportScope, setExportScope] = useState('selected');
  const [exportFields, setExportFields] = useState([]);
  const [exportLoading, setExportLoading] = useState(false);
  const [currentPageDevices, setCurrentPageDevices] = useState([]);

  // 全选状态
  const [selectAll, setSelectAll] = useState(false);

  // 列宽状态
  const [columnWidths, setColumnWidths] = useState({});

  // 防抖搜索关键词 - 使用常量配置的延迟时间
  const debouncedKeyword = useDebounce(keyword, DEBOUNCE_DELAY);

  // 使用 useMemo 缓存筛选后的设备数据（现在直接使用 allDevices，因为后端已经处理了筛选）
  const filteredDevicesMemo = useMemo(() => {
    return allDevices;
  }, [allDevices]);

  // 获取所有设备（支持搜索、筛选和分页）
  const fetchDevices = useCallback(
    async (page = 1, pageSize = 10, forceRefresh = false) => {
      try {
        setLoading(true);

        // 使用后端分页加载
        const params = {
          page,
          pageSize,
          keyword: debouncedKeyword || undefined,
          status: status !== 'all' ? status : undefined,
          type: type !== 'all' ? type : undefined,
        };

        const response = await axios.get('/api/devices', { params });
        const { devices, total } = response.data;

        // 处理设备数据，展开自定义字段
        const processedDevices = devices.map(device => {
          const deviceWithFields = { ...device };
          if (device.customFields && typeof device.customFields === 'object') {
            Object.entries(device.customFields).forEach(([fieldName, value]) => {
              deviceWithFields[fieldName] = value;
            });
          }
          return deviceWithFields;
        });

        setAllDevices(processedDevices);
        setPagination(prev => ({ ...prev, current: page, pageSize, total }));
      } catch (error) {
        message.error('获取设备列表失败');
        console.error('获取设备列表失败:', error);
      } finally {
        setLoading(false);
      }
    },
    [debouncedKeyword, status, type]
  );

  // 获取设备字段配置
  const fetchDeviceFields = async () => {
    try {
      setLoadingFields(true);
      const response = await axios.get('/api/deviceFields');
      // 按顺序排序字段
      const sortedFields = response.data.sort((a, b) => a.order - b.order);
      setDeviceFields(sortedFields);
    } catch (error) {
      message.error('获取字段配置失败');
      console.error('获取字段配置失败:', error);
      // 如果获取失败，使用默认字段配置
      setDeviceFields(defaultDeviceFields);
    } finally {
      setLoadingFields(false);
    }
  };

  // 默认设备字段配置
  const defaultDeviceFields = [
    {
      fieldName: 'deviceId',
      displayName: '设备ID',
      fieldType: 'string',
      required: false,
      order: 1,
      visible: false,
    },
    {
      fieldName: 'name',
      displayName: '设备名称',
      fieldType: 'string',
      required: true,
      order: 2,
      visible: true,
    },
    {
      fieldName: 'type',
      displayName: '设备类型',
      fieldType: 'select',
      required: true,
      order: 3,
      visible: true,
      options: [
        { value: 'server', label: '服务器' },
        { value: 'switch', label: '交换机' },
        { value: 'router', label: '路由器' },
        { value: 'storage', label: '存储设备' },
        { value: 'other', label: '其他设备' },
      ],
    },
    {
      fieldName: 'model',
      displayName: '型号',
      fieldType: 'string',
      required: false,
      order: 4,
      visible: true,
    },
    {
      fieldName: 'serialNumber',
      displayName: '序列号',
      fieldType: 'string',
      required: true,
      order: 5,
      visible: true,
    },
    {
      fieldName: 'rackId',
      displayName: '所在机柜',
      fieldType: 'select',
      required: true,
      order: 6,
      visible: true,
    },
    {
      fieldName: 'position',
      displayName: '位置(U)',
      fieldType: 'number',
      required: true,
      order: 7,
      visible: true,
    },
    {
      fieldName: 'height',
      displayName: '高度(U)',
      fieldType: 'number',
      required: true,
      order: 8,
      visible: true,
    },
    {
      fieldName: 'powerConsumption',
      displayName: '功率(W)',
      fieldType: 'number',
      required: true,
      order: 9,
      visible: true,
    },
    {
      fieldName: 'status',
      displayName: '状态',
      fieldType: 'select',
      required: true,
      order: 10,
      visible: true,
      options: [
        { value: 'running', label: '运行中' },
        { value: 'maintenance', label: '维护中' },
        { value: 'offline', label: '离线' },
        { value: 'fault', label: '故障' },
      ],
    },
    {
      fieldName: 'purchaseDate',
      displayName: '购买日期',
      fieldType: 'date',
      required: false,
      order: 11,
      visible: true,
    },
    {
      fieldName: 'warrantyExpiry',
      displayName: '保修到期',
      fieldType: 'date',
      required: false,
      order: 12,
      visible: true,
    },
    {
      fieldName: 'ipAddress',
      displayName: 'IP地址',
      fieldType: 'string',
      required: false,
      order: 13,
      visible: true,
    },
    {
      fieldName: 'description',
      displayName: '描述',
      fieldType: 'textarea',
      required: false,
      order: 14,
      visible: true,
    },
  ];

  // 获取所有机柜
  const fetchRacks = async () => {
    try {
      const response = await axios.get('/api/racks', {
        params: { pageSize: 1000 }
      });
      setRacks(response.data.racks || []);
    } catch (error) {
      message.error('获取机柜列表失败');
      console.error('获取机柜列表失败:', error);
    }
  };

  // 获取所有机房
  const fetchRooms = async () => {
    try {
      const response = await axios.get('/api/rooms');
      setRooms(response.data || []);
    } catch (error) {
      message.error('获取机房列表失败');
      console.error('获取机房列表失败:', error);
    }
  };

  useEffect(() => {
    fetchDevices(1, pagination.pageSize);
    fetchRacks();
    fetchRooms();
    fetchDeviceFields();
  }, [fetchDevices]);

  // 同步当前页设备数据
  useEffect(() => {
    if (filteredDevicesMemo.length > 0) {
      const start = (pagination.current - 1) * pagination.pageSize;
      const end = start + pagination.pageSize;
      const currentPageData = filteredDevicesMemo.slice(start, end);
      setCurrentPageDevices(currentPageData);
    } else {
      setCurrentPageDevices([]);
    }
  }, [filteredDevicesMemo, pagination.current, pagination.pageSize]);

  // 打开模态框
  const showModal = (device = null) => {
    setEditingDevice(device);
    if (device) {
      // 转换日期字段为dayjs格式
      const deviceData = { ...device };
      if (deviceData.purchaseDate) deviceData.purchaseDate = dayjs(deviceData.purchaseDate);
      if (deviceData.warrantyExpiry) deviceData.warrantyExpiry = dayjs(deviceData.warrantyExpiry);

      // 定义设备模型的固定字段
      const fixedFields = [
        'deviceId',
        'name',
        'type',
        'model',
        'serialNumber',
        'rackId',
        'position',
        'height',
        'powerConsumption',
        'status',
        'purchaseDate',
        'warrantyExpiry',
        'ipAddress',
        'description',
      ];

      // 定义需要排除的系统字段
      const systemFields = ['createdAt', 'updatedAt', 'Rack', 'Room', 'customFields'];

      // 创建一个干净的设备数据对象
      const cleanDeviceData = {};

      // 复制固定字段
      fixedFields.forEach(field => {
        if (deviceData[field] !== undefined) {
          cleanDeviceData[field] = deviceData[field];
        }
      });

      // 将自定义字段直接添加到表单数据中（不在customFields对象内）
      Object.entries(deviceData).forEach(([key, value]) => {
        // 排除固定字段、系统字段和非基本类型的值
        if (
          !fixedFields.includes(key) &&
          !systemFields.includes(key) &&
          key !== 'deviceId' &&
          typeof value !== 'object' &&
          value !== null
        ) {
          cleanDeviceData[key] = value;
        }
      });

      // 如果有原始customFields对象，将其字段也添加到表单数据中
      if (deviceData.customFields && typeof deviceData.customFields === 'object') {
        Object.entries(deviceData.customFields).forEach(([key, value]) => {
          cleanDeviceData[key] = value;
        });
      }

      form.setFieldsValue(cleanDeviceData);

      // 编辑设备时，根据 rackId 找到对应的机房并设置 selectedRoomId
      if (device.rackId) {
        const rack = racks.find(r => r.rackId === device.rackId);
        if (rack) {
          setSelectedRoomId(rack.roomId);
        }
      }
    } else {
      form.resetFields();
      setSelectedRoomId(null);
    }
    setModalVisible(true);
  };

  // 关闭模态框
  const handleCancel = () => {
    setModalVisible(false);
    setEditingDevice(null);
    setSelectedRoomId(null);
  };

  // 提交表单
  const handleSubmit = async values => {
    try {
      const fixedFields = [
        'deviceId',
        'name',
        'type',
        'model',
        'serialNumber',
        'rackId',
        'position',
        'height',
        'powerConsumption',
        'status',
        'purchaseDate',
        'warrantyExpiry',
        'ipAddress',
        'description',
        'roomId',
      ];

      const deviceData = {
        ...values,
        purchaseDate: values.purchaseDate ? values.purchaseDate.format('YYYY-MM-DD') : null,
        warrantyExpiry: values.warrantyExpiry ? values.warrantyExpiry.format('YYYY-MM-DD') : null,
        customFields: {},
      };

      Object.keys(deviceData).forEach(key => {
        if (!fixedFields.includes(key) && key !== 'customFields') {
          deviceData.customFields[key] = deviceData[key];
          delete deviceData[key];
        }
      });

      delete deviceData.roomId;

      if (editingDevice) {
        // 更新设备
        await axios.put(`/api/devices/${editingDevice.deviceId}`, deviceData);
        message.success('设备更新成功');
      } else {
        // 创建设备
        await axios.post('/api/devices', deviceData);
        message.success('设备创建成功');
      }

      setModalVisible(false);
      fetchDevices();
      setEditingDevice(null);
    } catch (error) {
      const errorMsg = error.response?.data?.error || error.message || '未知错误';
      message.error(editingDevice ? `设备更新失败: ${errorMsg}` : `设备创建失败: ${errorMsg}`);
      console.error(editingDevice ? '设备更新失败:' : '设备创建失败:', error);
    }
  };

  // 搜索处理函数
  const handleSearch = values => {
    setSearching(true);

    setKeyword(values.keyword || '');
    setStatus(values.status || 'all');
    setType(values.type || 'all');

    // 筛选后的数据会通过useMemo自动更新，这里只需更新分页
    setPagination(prev => ({ ...prev, current: 1 }));

    // 短暂延迟后移除搜索状态，提供视觉反馈
    setTimeout(() => setSearching(false), 300);
  };

  // 重置筛选条件
  const handleReset = () => {
    setSearching(true);

    setKeyword('');
    setStatus('all');
    setType('all');
    searchForm.resetFields();

    // 短暂延迟后移除搜索状态
    setTimeout(() => setSearching(false), 300);
  };

  // 表格分页变化处理
  const handleTableChange = newPagination => {
    setPagination(newPagination);

    const start = (newPagination.current - 1) * newPagination.pageSize;
    const end = start + newPagination.pageSize;
    const currentPageData = filteredDevicesMemo.slice(start, end);
    setCurrentPageDevices(currentPageData);

    fetchDevices(newPagination.current, newPagination.pageSize);
  };

  // 批量删除设备
  const handleBatchDelete = async () => {
    Modal.confirm({
      title: '批量删除确认',
      content: `确定要删除选中的 ${selectedDevices.length} 个设备吗？此操作不可恢复！`,
      okText: '确认删除',
      okType: 'danger',
      cancelText: '取消',
      onOk: async () => {
        try {
          const response = await axios.delete('/api/devices/batch-delete', {
            data: { deviceIds: selectedDevices },
          });
          message.success(response.data.message || '批量删除成功');
          setSelectedDevices([]);
          setSelectAll(false);
          fetchDevices(1, 10, true);
        } catch (error) {
          message.error('批量删除失败');
          console.error('批量删除设备失败:', error);
        }
      },
    });
  };

  // 一键删除所有设备
  const handleDeleteAll = async () => {
    Modal.confirm({
      title: '危险操作确认',
      content:
        '确定要删除所有设备吗？此操作将清空所有设备数据，包括相关的接线、网卡、端口等信息，且不可恢复！',
      okText: '确认删除所有',
      okType: 'danger',
      cancelText: '取消',
      onOk: async () => {
        try {
          const response = await axios.delete('/api/devices/delete-all');
          message.success(response.data.message || '成功删除所有设备');
          setSelectedDevices([]);
          setSelectAll(false);
          fetchDevices(1, 10, true);
        } catch (error) {
          message.error('删除所有设备失败');
          console.error('删除所有设备失败:', error);
        }
      },
    });
  };

  // 删除设备
  const handleDelete = async deviceId => {
    Modal.confirm({
      title: '确认删除',
      content: '确定要删除这个设备吗？',
      okText: '删除',
      okType: 'danger',
      cancelText: '取消',
      onOk: async () => {
        try {
          await axios.delete(`/api/devices/${deviceId}`);
          message.success('设备删除成功');
          fetchDevices();
        } catch (error) {
          message.error('设备删除失败');
          console.error('设备删除失败:', error);
        }
      },
    });
  };

  // 显示设备详情
  const handleShowDetail = device => {
    setSelectedDevice(device);
    setDetailModalVisible(true);
  };

  // 查看设备关联的工单
  const handleViewDeviceTickets = device => {
    navigate(`/tickets?deviceId=${device.deviceId}&deviceName=${encodeURIComponent(device.name)}&serialNumber=${encodeURIComponent(device.serialNumber || '')}&view=true`);
  };

  // 为设备创建工单
  const handleCreateTicketForDevice = device => {
    navigate(`/tickets?deviceId=${device.deviceId}&deviceName=${encodeURIComponent(device.name)}&serialNumber=${encodeURIComponent(device.serialNumber || '')}&create=true`);
  };

  // 打开批量状态变更模态框
  const showBatchStatusModal = () => {
    if (selectedDevices.length === 0) {
      message.warning('请先选择要操作的设备');
      return;
    }
    batchStatusForm.resetFields();
    setBatchStatusModalVisible(true);
  };

  // 执行批量状态变更
  const handleBatchStatusChange = async () => {
    try {
      const values = await batchStatusForm.validateFields();
      setBatchStatusLoading(true);

      const response = await axios.put('/api/devices/batch-status', {
        deviceIds: selectedDevices,
        status: values.status,
      });

      message.success(response.data.message || '批量状态变更成功');
      setBatchStatusModalVisible(false);
      setSelectedDevices([]);
      setSelectAll(false);
      fetchDevices();
    } catch (error) {
      if (error.errorFields) {
        return;
      }
      message.error('批量状态变更失败');
      console.error('批量状态变更失败:', error);
    } finally {
      setBatchStatusLoading(false);
    }
  };

  // 打开导出选项模态框
  const showExportModal = () => {
    if (selectedDevices.length === 0) {
      message.warning('请先选择要导出的设备');
      return;
    }
    setExportFormat('csv');
    setExportFields(
      deviceFields.filter(f => f.visible && f.fieldName !== 'rackId').map(f => f.fieldName)
    );
    setExportModalVisible(true);
  };

  // 执行增强导出
  const handleEnhancedExport = async () => {
    try {
      setExportLoading(true);

      const fieldLabels = {};
      deviceFields.forEach(field => {
        fieldLabels[field.fieldName] = field.displayName;
      });

      let deviceIds = [];
      if (exportScope === 'selected') {
        deviceIds = selectedDevices;
      } else if (exportScope === 'currentPage') {
        deviceIds = filteredDevicesMemo.map(device => device.deviceId);
      } else if (exportScope === 'all') {
        deviceIds = allDevices.map(device => device.deviceId);
      }

      if (deviceIds.length === 0) {
        message.warning('没有可导出的设备');
        setExportLoading(false);
        return;
      }

      const params = new URLSearchParams();
      deviceIds.forEach(id => params.append('deviceIds', id));
      params.append('format', exportFormat);
      params.append('fields', JSON.stringify(exportFields));
      params.append('fieldLabels', JSON.stringify(fieldLabels));

      const response = await axios.get(`/api/devices/enhanced-export?${params.toString()}`, {
        responseType: 'blob',
      });

      const contentType = exportFormat === 'csv' ? 'text/csv; charset=gbk' : 'application/json';
      const blob = new Blob([response.data], { type: contentType });
      const url = window.URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = `devices_export_${new Date().toISOString().split('T')[0]}.${exportFormat}`;
      document.body.appendChild(link);
      link.click();
      document.body.removeChild(link);
      window.URL.revokeObjectURL(url);

      message.success(`成功导出 ${deviceIds.length} 个设备`);
      setExportModalVisible(false);
    } catch (error) {
      message.error('导出失败');
      console.error('增强导出失败:', error);
    } finally {
      setExportLoading(false);
    }
  };

  // 切换选择全部设备
  const handleSelectAll = () => {
    if (selectAll) {
      setSelectedDevices([]);
      setSelectAll(false);
    } else {
      const allIds = filteredDevicesMemo.map(device => device.deviceId);
      setSelectedDevices(allIds);
      setSelectAll(true);
    }
  };

  // 处理选择变化
  const handleSelectionChange = selectedRowKeys => {
    setSelectedDevices(selectedRowKeys);
    setSelectAll(
      selectedRowKeys.length === filteredDevicesMemo.length && filteredDevicesMemo.length > 0
    );
  };

  // 全选复选框的处理函数
  const handleSelectAllCheckbox = e => {
    const checked = e.target.checked;
    if (checked) {
      const allIds = filteredDevicesMemo.map(device => device.deviceId);
      setSelectedDevices(allIds);
      setSelectAll(true);
    } else {
      setSelectedDevices([]);
      setSelectAll(false);
    }
  };
  const handleImport = async file => {
    try {
      setIsImporting(true);
      setImportProgress(0);
      setImportPhase('正在上传文件...');
      setImportResult(null);

      const formData = new FormData();
      formData.append('csvFile', file);

      const response = await axios.post('/api/devices/import', formData, {
        headers: {
          'Content-Type': 'multipart/form-data',
        },
        onUploadProgress: progressEvent => {
          const progress = Math.round((progressEvent.loaded * 50) / progressEvent.total);
          setImportProgress(Math.min(progress, 50));
          setImportPhase('正在上传文件...');
        },
      });

      setImportProgress(60);
      setImportPhase('正在处理数据...');

      setTimeout(() => {
        setImportProgress(80);
        setImportPhase('正在验证数据...');
      }, 200);

      setTimeout(() => {
        setImportProgress(90);
        setImportPhase('正在保存数据...');
      }, 400);

      setImportResult(response.data);
      setImportProgress(100);
      setImportPhase('导入完成');
      setIsImporting(false);

      const { success, failed } = response.data.statistics;
      if (failed > 0) {
        message.warning(`导入完成，但有 ${failed} 条记录导入失败`);
      } else {
        message.success('所有记录导入成功');
      }

      setTimeout(() => {
        fetchDevices();
      }, 1000);
    } catch (error) {
      setIsImporting(false);
      setImportProgress(0);

      let errorMessage = '导入失败';
      let errorDetails = [];

      if (error.response) {
        const { data, status } = error.response;

        if (
          status === 500 &&
          data &&
          data.errors &&
          Array.isArray(data.errors) &&
          data.errors.length > 0
        ) {
          errorDetails = data.errors.map(err => ({
            row: err.row || 0,
            error: err.error || err.message || '服务器内部错误',
          }));
          errorMessage = `导入失败：${errorDetails[0].error}`;
        } else if (data && data.errors && Array.isArray(data.errors)) {
          errorDetails = data.errors.map((err, index) => ({
            row: err.row || index + 1,
            error: err.error || err.message || '未知错误',
          }));
          errorMessage = `导入失败，共发现 ${errorDetails.length} 处数据错误`;
        } else if (data && (data.message || data.error)) {
          errorMessage = data.message || data.error;
        }
      } else if (error.message) {
        errorMessage = error.message;
      }

      setImportResult({
        success: false,
        statistics: {
          total: 0,
          success: 0,
          failed: errorDetails.length > 0 ? errorDetails.length : 1,
          errors: errorDetails.length > 0 ? errorDetails : [{ row: 0, error: errorMessage }],
          message: errorMessage,
        },
      });

      message.error(errorMessage);
      console.error('导入设备失败:', error);
    }

    return false;
  };

  // 使用从常量导入的映射，避免每次渲染重新创建

  // 获取设备类型图标
  const getDeviceTypeIcon = type => {
    const iconMap = {
      server: <CloudServerOutlined style={{ color: '#1890ff' }} />,
      switch: <SwapOutlined style={{ color: '#52c41a' }} />,
      router: <SafetyOutlined style={{ color: '#faad14' }} />,
      storage: <DatabaseOutlined style={{ color: '#722ed1' }} />,
      other: <AppstoreOutlined style={{ color: '#8c8c8c' }} />,
    };
    return iconMap[type] || <AppstoreOutlined style={{ color: '#8c8c8c' }} />;
  };

  // 处理列宽变化
  const handleColumnResize = (key, width) => {
    setColumnWidths(prev => ({ ...prev, [key]: width }));
  };

  // 重置列宽到默认值
  const resetColumnWidths = () => {
    setColumnWidths({});
    message.success('列宽已重置为默认值');
  };

  // 处理表头单元格拖拽 - 自定义实现
  const handleHeaderCellResize = key => column => ({
    width: column.width,
    onResize: width => {
      setColumnWidths(prev => ({ ...prev, [key]: width }));
    },
  });

  // 动态生成表格列配置
  const columns = React.useMemo(() => {
    const generatedColumns = [];

    // 根据字段配置动态生成列，只显示visible为true的字段
    deviceFields.forEach(field => {
      // 只处理可见字段
      if (!field.visible) return;

      // 特殊处理机柜字段
      if (field.fieldName === 'rackId') {
        // 添加机房信息列
        generatedColumns.push({
          title: '所在机房',
          dataIndex: ['Rack', 'Room', 'name'],
          key: 'roomName',
          width: columnWidths.roomName || 120,
          onHeaderCell: handleHeaderCellResize('roomName'),
        });
        // 添加机柜信息列
        generatedColumns.push({
          title: field.displayName,
          dataIndex: ['Rack', 'name'],
          key: field.fieldName,
          width: columnWidths[field.fieldName] || 120,
          onHeaderCell: handleHeaderCellResize(field.fieldName),
        });
      }
      // 特殊处理设备类型
      else if (field.fieldName === 'type') {
        generatedColumns.push({
          title: field.displayName,
          dataIndex: field.fieldName,
          key: field.fieldName,
          width: columnWidths[field.fieldName] || 100,
          onHeaderCell: handleHeaderCellResize(field.fieldName),
          render: type => {
            return (
              <Space>
                {getDeviceTypeIcon(type)}
                <span>{TYPE_MAP[type]}</span>
              </Space>
            );
          },
        });
      }
      // 特殊处理状态字段
      else if (field.fieldName === 'status') {
        generatedColumns.push({
          title: field.displayName,
          dataIndex: field.fieldName,
          key: field.fieldName,
          width: columnWidths[field.fieldName] || 100,
          onHeaderCell: handleHeaderCellResize(field.fieldName),
          render: status => {
            if (Array.isArray(status)) {
              return (
                <Space>
                  {status.map(s => (
                    <span key={s} style={{ color: STATUS_MAP[s]?.color || 'black' }}>
                      {STATUS_MAP[s]?.text || s}
                    </span>
                  ))}
                </Space>
              );
            }
            return (
              <span style={{ color: STATUS_MAP[status]?.color || 'black' }}>
                {STATUS_MAP[status]?.text || status}
              </span>
            );
          },
        });
      }
      // 特殊处理日期字段
      else if (field.fieldType === 'date') {
        generatedColumns.push({
          title: field.displayName,
          dataIndex: field.fieldName,
          key: field.fieldName,
          width: columnWidths[field.fieldName] || 120,
          onHeaderCell: handleHeaderCellResize(field.fieldName),
          render: date => {
            if (!date) return '';

            const dateObj = new Date(date);
            const formattedDate = dateObj.toLocaleDateString('zh-CN');

            // 检查是否是保修到期字段
            if (field.fieldName === 'warrantyExpiry') {
              const today = new Date();
              // 设置时间为同一天的00:00:00，确保只比较日期部分
              today.setHours(0, 0, 0, 0);
              dateObj.setHours(0, 0, 0, 0);

              // 如果保修日期已过期，显示为红色
              if (dateObj < today) {
                return (
                  <span style={{ color: '#d93025', fontWeight: 'bold' }}>{formattedDate}</span>
                );
              }
            }

            return formattedDate;
          },
        });
      }
      // 普通字段
      else {
        // 为不同类型的字段设置不同的默认宽度
        let defaultWidth = 120;
        if (field.fieldName === 'deviceId' || field.fieldName === 'name') {
          defaultWidth = 150;
        } else if (field.fieldName === 'description') {
          defaultWidth = 200;
        } else if (field.fieldType === 'number') {
          defaultWidth = 80;
        } else if (field.fieldType === 'textarea') {
          defaultWidth = 180;
        }

        // 为设备名称和ID列添加点击查看详情功能
        const columnConfig = {
          title: field.displayName,
          dataIndex: field.fieldName,
          key: field.fieldName,
          width: columnWidths[field.fieldName] || defaultWidth,
          minWidth: 80,
          maxWidth: field.fieldType === 'textarea' ? 300 : 200,
          onHeaderCell: handleHeaderCellResize(field.fieldName),
          ellipsis: field.fieldType !== 'textarea',
        };

        // 设备名称和ID列添加点击效果
        if (field.fieldName === 'deviceId' || field.fieldName === 'name') {
          columnConfig.render = (value, record) => (
            <a
              onClick={() => handleShowDetail(record)}
              style={{
                color: '#1890ff',
                textDecoration: 'none',
                cursor: 'pointer',
                display: 'block',
                overflow: 'hidden',
                textOverflow: 'ellipsis',
                whiteSpace: 'nowrap',
              }}
              onMouseEnter={e => (e.target.style.textDecoration = 'underline')}
              onMouseLeave={e => (e.target.style.textDecoration = 'none')}
            >
              {value || '-'}
            </a>
          );
        }

        generatedColumns.push(columnConfig);
      }
    });

    // 添加操作列
    generatedColumns.push({
      title: '操作',
      key: 'action',
      width: columnWidths.action || 80,
      minWidth: 60,
      maxWidth: 100,
      onHeaderCell: handleHeaderCellResize('action'),
      render: (_, record) => (
        <div style={{ display: 'flex', gap: '4px' }}>
          <Tooltip title="编辑">
            <Button
              type="text"
              icon={<EditOutlined />}
              onClick={() => showModal(record)}
              size="small"
              style={{ color: '#1890ff', padding: '4px 8px' }}
            />
          </Tooltip>
          <Tooltip title="删除">
            <Button
              type="text"
              danger
              icon={<DeleteOutlined />}
              onClick={() => handleDelete(record.deviceId)}
              size="small"
              style={{ padding: '4px 8px' }}
            />
          </Tooltip>
        </div>
      ),
    });

    return generatedColumns;
  }, [deviceFields, columnWidths]);

  // 保存字段配置
  const handleSaveFieldConfig = async values => {
    try {
      const updatedFields = deviceFields.map(field => ({
        fieldId: field.fieldId,
        fieldName: field.fieldName,
        displayName: field.displayName,
        visible: values[`visible_${field.fieldName}`] ?? field.visible,
        required: values[`required_${field.fieldName}`] ?? field.required,
      }));

      const response = await axios.post('/api/deviceFields/config', updatedFields);

      setDeviceFields(response.data);
      message.success('字段配置保存成功');
      setFieldConfigModalVisible(false);
    } catch (error) {
      message.error('字段配置保存失败');
      console.error('保存字段配置失败:', error);
    }
  };

  // 重置字段配置为默认值
  const handleResetFieldConfig = () => {
    const defaultFields = defaultDeviceFields;
    setDeviceFields(defaultFields);
    message.success('字段配置已重置为默认值');
  };

  // 样式已从外部样式文件导入，无需在组件内定义

  return (
    <div style={pageContainerStyle}>
      <style>{generateGlobalStyles(designTokens)}</style>

      <div style={headerStyle}>
        <div style={titleRowStyle}>
          <div style={titleSectionStyle}>
            <div style={titleIconStyle}>
              <CloudServerOutlined style={{ fontSize: '20px', color: '#ffffff' }} />
            </div>
            <div style={titleTextStyle}>
              <h1 style={pageTitleStyle}>设备管理</h1>
              <p style={pageSubtitleStyle}>管理您的IT设备资产</p>
            </div>
          </div>

          <div style={{ display: 'flex', gap: designTokens.spacing.sm, flexWrap: 'wrap' }}>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<PlusOutlined />}
              onClick={() => showModal()}
            >
              添加设备
            </Button>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<UploadOutlined />}
              onClick={() => setImportModalVisible(true)}
            >
              导入
            </Button>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<ExportOutlined />}
              onClick={showExportModal}
            >
              导出
            </Button>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<SettingOutlined />}
              onClick={() => setFieldConfigModalVisible(true)}
            >
              字段配置
            </Button>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<ReloadOutlined />}
              disabled={selectedDevices.length === 0}
              onClick={showBatchStatusModal}
            >
              状态变更 ({selectedDevices.length})
            </Button>
            <Button
              style={{
                ...secondaryActionStyle,
                color: designTokens.colors.primary.main,
                borderColor: designTokens.colors.primary.main,
              }}
              icon={<DeleteOutlined />}
              disabled={selectedDevices.length === 0}
              onClick={handleBatchDelete}
            >
              批量删除 ({selectedDevices.length})
            </Button>
            <Button
              type="primary"
              danger
              style={{
                height: '36px',
                borderRadius: designTokens.borderRadius.small,
                fontSize: '13px',
                fontWeight: '500',
                display: 'inline-flex',
                alignItems: 'center',
                gap: '6px',
              }}
              icon={<DeleteOutlined />}
              onClick={handleDeleteAll}
            >
              删除所有
            </Button>
          </div>
        </div>
      </div>

      <Card
        size="small"
        style={filterCardStyle}
        styles={{
          body: {
            padding: `${designTokens.spacing.md}px ${designTokens.spacing.lg}px`,
            display: 'flex',
            alignItems: 'center',
            gap: designTokens.spacing.md,
            flexWrap: 'wrap',
          },
        }}
      >
        <Form
          form={searchForm}
          layout="inline"
          onFinish={handleSearch}
          style={{ flex: 1, display: 'flex', flexWrap: 'wrap', gap: designTokens.spacing.md }}
          className="filter-form"
        >
          <Form.Item name="keyword" style={{ margin: 0 }}>
            <Input
              placeholder="搜索设备..."
              prefix={<SearchOutlined style={{ color: designTokens.colors.primary.main }} />}
              style={{
                width: '280px',
                borderRadius: designTokens.borderRadius.medium,
                border: `1px solid ${designTokens.colors.border.light}`,
                transition: `all ${designTokens.transitions.fast}`,
              }}
              value={keyword}
              onChange={e => setKeyword(e.target.value)}
            />
          </Form.Item>

          <Form.Item name="status" style={{ margin: 0 }}>
            <Select
              value={status}
              onChange={setStatus}
              style={{ width: '140px', borderRadius: designTokens.borderRadius.medium }}
              styles={{ popup: { root: { borderRadius: designTokens.borderRadius.medium } } }}
            >
              <Option value="all">所有状态</Option>
              <Option value="running">运行中</Option>
              <Option value="maintenance">维护中</Option>
              <Option value="offline">离线</Option>
              <Option value="fault">故障</Option>
            </Select>
          </Form.Item>

          <Form.Item name="type" style={{ margin: 0 }}>
            <Select
              value={type}
              onChange={setType}
              style={{ width: '140px', borderRadius: designTokens.borderRadius.medium }}
              styles={{ popup: { root: { borderRadius: designTokens.borderRadius.medium } } }}
            >
              <Option value="all">所有类型</Option>
              <Option value="server">服务器</Option>
              <Option value="switch">交换机</Option>
              <Option value="router">路由器</Option>
              <Option value="storage">存储设备</Option>
              <Option value="other">其他设备</Option>
            </Select>
          </Form.Item>

          <Form.Item style={{ margin: 0 }}>
            <Space>
              <Button
                type="primary"
                style={{
                  height: '36px',
                  borderRadius: designTokens.borderRadius.medium,
                  background: designTokens.colors.primary.gradient,
                  border: 'none',
                  boxShadow: designTokens.shadows.small,
                }}
                icon={<SearchOutlined />}
                htmlType="submit"
                loading={searching}
              >
                搜索
              </Button>
              <Button
                style={{
                  height: '36px',
                  borderRadius: designTokens.borderRadius.medium,
                  border: `1px solid ${designTokens.colors.border.light}`,
                }}
                onClick={handleReset}
              >
                重置
              </Button>
            </Space>
          </Form.Item>
        </Form>

        <div style={{ display: 'flex', alignItems: 'center', gap: designTokens.spacing.sm }}>
          <Button
            icon={<ReloadOutlined />}
            onClick={() => fetchDevices(1, pagination.pageSize, true)}
            style={{
              borderRadius: designTokens.borderRadius.medium,
              border: `1px solid ${designTokens.colors.border.light}`,
              height: '36px',
            }}
          >
            刷新
          </Button>
        </div>
      </Card>

      <Card style={cardStyle}>
        {!loading && filteredDevicesMemo.length === 0 && !searching && (
          <div
            style={{
              ...emptyStateStyle,
              color: designTokens.colors.text.secondary,
            }}
          >
            <SearchOutlined
              style={{
                ...emptyStateIconStyle,
                color: designTokens.colors.border.light,
              }}
            />
            <p>暂无设备数据</p>
          </div>
        )}
        {filteredDevicesMemo.length > 0 && (
          <div
            className="device-table-wrapper"
            style={{
              ...tableContainerStyle,
              borderRadius: designTokens.borderRadius.medium,
            }}
          >
            <Table
              columns={columns}
              dataSource={filteredDevicesMemo}
              rowKey="deviceId"
              loading={loading || searching}
              pagination={{
                ...pagination,
                showSizeChanger: true,
                showQuickJumper: true,
                pageSizeOptions: ['10', '20', '30', '50', '100'],
                showTotal: total => `共 ${total} 条记录`,
                style: { marginTop: '16px' },
              }}
              onChange={handleTableChange}
              scroll={{ y: 500, scrollToFirstRowOnChange: true }}
              virtual
              components={{
                header: {
                  cell: ResizableTitle,
                },
              }}
              style={{ width: '100%', maxWidth: '100%' }}
              size="middle"
              showHeader={filteredDevicesMemo.length > 0}
              rowSelection={{
                selectedRowKeys: selectedDevices,
                onChange: handleSelectionChange,
                columnWidth: 48,
                fixed: 'left',
                type: 'checkbox',
                crossPageSelect: true,
                selections: [
                  {
                    key: 'all',
                    text: '全选',
                    onSelect: () => {
                      const allIds = filteredDevicesMemo.map(device => device.deviceId);
                      setSelectedDevices(allIds);
                      setSelectAll(true);
                    },
                  },
                  {
                    key: 'invert',
                    text: '反选',
                    onSelect: () => {
                      const visibleIds = filteredDevicesMemo.map(device => device.deviceId);
                      const newSelected = visibleIds.filter(id => !selectedDevices.includes(id));
                      setSelectedDevices(newSelected);
                      setSelectAll(newSelected.length === filteredDevicesMemo.length);
                    },
                  },
                  {
                    key: 'none',
                    text: '清除选择',
                    onSelect: () => {
                      setSelectedDevices([]);
                      setSelectAll(false);
                    },
                  },
                ],
              }}
              onRow={record => ({
                onClick: () =>
                  handleSelectionChange(
                    selectedDevices.includes(record.deviceId)
                      ? selectedDevices.filter(id => id !== record.deviceId)
                      : [...selectedDevices, record.deviceId]
                  ),
              })}
              rowClassName={(record, index) => {
                if (selectedDevices.includes(record.deviceId)) {
                  return 'ant-table-row-selected';
                }
                return index % 2 === 0 ? 'ant-table-row-even' : 'ant-table-row-odd';
              }}
            />
          </div>
        )}
      </Card>

      <Modal
        title={
          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
            {editingDevice ? (
              <EditOutlined style={{ color: '#667eea' }} />
            ) : (
              <PlusOutlined style={{ color: '#667eea' }} />
            )}
            {editingDevice ? '编辑设备' : '添加设备'}
          </div>
        }
        open={modalVisible}
        onCancel={handleCancel}
        footer={null}
        width={700}
        style={{ borderRadius: '16px' }}
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '24px' },
        }}
        className="device-modal"
      >
        <Form form={form} layout="vertical" onFinish={handleSubmit}>
          {(() => {
            const filteredFields = deviceFields.filter(
              field => field.fieldName !== 'deviceId' && field.fieldName !== 'rackId'
            );
            const formItems = [];

            filteredFields.forEach((field, index) => {
              let control = null;
              const inputStyle = {
                borderRadius: '8px',
                transition: 'all 0.3s ease',
              };

              switch (field.fieldType) {
                case 'text':
                case 'string':
                  control = (
                    <Input
                      placeholder={`请输入${field.displayName}`}
                      style={inputStyle}
                      className="form-input-enhanced"
                    />
                  );
                  break;
                case 'number':
                  control = (
                    <InputNumber
                      placeholder={`请输入${field.displayName}`}
                      min={0}
                      style={{ width: '100%', ...inputStyle }}
                      className="form-input-enhanced"
                    />
                  );
                  break;
                case 'boolean':
                  control = <Switch />;
                  break;
                case 'date':
                  control = (
                    <DatePicker
                      style={{ width: '100%', ...inputStyle }}
                      placeholder={`请选择${field.displayName}`}
                      className="form-input-enhanced"
                    />
                  );
                  break;
                case 'textarea':
                  control = (
                    <Input.TextArea
                      placeholder={`请输入${field.displayName}`}
                      rows={3}
                      style={inputStyle}
                      className="form-input-enhanced"
                    />
                  );
                  break;
                case 'select':
                  control = (
                    <Select
                      placeholder={`请选择${field.displayName}`}
                      style={inputStyle}
                      className="form-input-enhanced"
                    >
                      {field.options &&
                        field.options.map(option => (
                          <Option key={option.value} value={option.value}>
                            {option.label}
                          </Option>
                        ))}
                    </Select>
                  );
                  break;
                default:
                  control = (
                    <Input
                      placeholder={`请输入${field.displayName}`}
                      style={inputStyle}
                      className="form-input-enhanced"
                    />
                  );
              }

              // 机房和机柜联动选择区域特殊处理
              if (field.fieldName === 'serialNumber') {
                formItems.push(
                  <React.Fragment key={field.fieldName}>
                    <Col span={12} key={`${field.fieldName}-col`}>
                      <Form.Item
                        name={field.fieldName}
                        label={
                          <span>
                            {field.displayName}
                            {field.required && (
                              <span style={{ color: '#ff4d4f', marginLeft: '4px' }}>*</span>
                            )}
                          </span>
                        }
                        rules={
                          field.required
                            ? [{ required: true, message: `请输入${field.displayName}` }]
                            : []
                        }
                      >
                        {control}
                      </Form.Item>
                    </Col>
                    {/* 机房机柜联动选择区域 - 特殊突出显示 */}
                    <Col span={24} key="room-rack-section">
                      <div
                        style={{
                          background: 'linear-gradient(135deg, #f0f5ff 0%, #e6f7ff 100%)',
                          borderRadius: '12px',
                          padding: '20px',
                          marginBottom: '16px',
                          border: '2px solid #d6e4ff',
                          boxShadow: '0 2px 8px rgba(24, 144, 255, 0.1)',
                        }}
                      >
                        <div
                          style={{
                            fontSize: '14px',
                            fontWeight: '600',
                            color: '#1890ff',
                            marginBottom: '16px',
                            display: 'flex',
                            alignItems: 'center',
                          }}
                        >
                          <DatabaseOutlined style={{ marginRight: '8px' }} />
                          设备位置选择
                        </div>
                        <Row gutter={16}>
                          <Col span={12}>
                            <Form.Item
                              name="roomId"
                              label={
                                <span>
                                  机房
                                  <span style={{ color: '#ff4d4f', marginLeft: '4px' }}>*</span>
                                </span>
                              }
                              rules={[{ required: true, message: '请选择机房' }]}
                              style={{ marginBottom: '0' }}
                            >
                              <Select
                                placeholder="请选择机房"
                                style={{ borderRadius: '8px' }}
                                showSearch
                                optionFilterProp="children"
                                onChange={(value) => {
                                  setSelectedRoomId(value);
                                  form.setFieldValue('rackId', undefined);
                                }}
                              >
                                {rooms.map(room => (
                                  <Option key={room.roomId} value={room.roomId}>
                                    {room.name}
                                  </Option>
                                ))}
                              </Select>
                            </Form.Item>
                          </Col>
                          <Col span={12}>
                            <Form.Item
                              name="rackId"
                              label={
                                <span>
                                  机柜
                                  <span style={{ color: '#ff4d4f', marginLeft: '4px' }}>*</span>
                                </span>
                              }
                              rules={[{ required: true, message: '请选择机柜' }]}
                              style={{ marginBottom: '0' }}
                            >
                              <Select
                                placeholder={selectedRoomId ? '请选择机柜' : '请先选择机房'}
                                style={{ borderRadius: '8px' }}
                                disabled={!selectedRoomId}
                                showSearch
                                optionFilterProp="children"
                              >
                                {(selectedRoomId
                                  ? racks.filter(rack => rack.roomId === selectedRoomId)
                                  : []
                                ).map(rack => (
                                  <Option key={rack.rackId} value={rack.rackId}>
                                    {rack.name} ({rack.rackId})
                                  </Option>
                                ))}
                              </Select>
                            </Form.Item>
                          </Col>
                        </Row>
                      </div>
                    </Col>
                  </React.Fragment>
                );
              } else if (field.fieldType === 'textarea') {
                // textarea 占整行
                formItems.push(
                  <Col span={24} key={field.fieldName}>
                    <Form.Item
                      name={field.fieldName}
                      label={
                        <span>
                          {field.displayName}
                          {field.required && (
                            <span style={{ color: '#ff4d4f', marginLeft: '4px' }}>*</span>
                          )}
                        </span>
                      }
                      rules={
                        field.required
                          ? [{ required: true, message: `请输入${field.displayName}` }]
                          : []
                      }
                    >
                      {control}
                    </Form.Item>
                  </Col>
                );
              } else {
                // 其他字段两列布局
                formItems.push(
                  <Col span={12} key={field.fieldName}>
                    <Form.Item
                      name={field.fieldName}
                      label={
                        <span>
                          {field.displayName}
                          {field.required && (
                            <span style={{ color: '#ff4d4f', marginLeft: '4px' }}>*</span>
                          )}
                        </span>
                      }
                      rules={
                        field.required
                          ? [{ required: true, message: `请输入${field.displayName}` }]
                          : []
                      }
                    >
                      {control}
                    </Form.Item>
                  </Col>
                );
              }
            });

            return <Row gutter={16}>{formItems}</Row>;
          })()}

          {/* 底部按钮区域 */}
          <div
            style={{
              display: 'flex',
              justifyContent: 'flex-end',
              gap: '12px',
              marginTop: '32px',
              paddingTop: '24px',
              borderTop: '1px solid #f0f0f0',
            }}
          >
            <Button
              onClick={handleCancel}
              style={{
                height: '40px',
                borderRadius: '8px',
                padding: '0 24px',
                fontWeight: '500',
                transition: 'all 0.3s ease',
              }}
            >
              取消
            </Button>
            <Button
              type="primary"
              htmlType="submit"
              style={{
                height: '40px',
                borderRadius: '8px',
                background: designTokens.colors.primary.gradient,
                border: 'none',
                color: '#ffffff',
                boxShadow: designTokens.shadows.small,
                fontWeight: '500',
                display: 'inline-flex',
                alignItems: 'center',
                justifyContent: 'center',
                padding: '0 32px',
                transition: 'all 0.3s ease',
              }}
            >
              确定
            </Button>
          </div>
        </Form>
      </Modal>

      <Modal
        title={
          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
            <SettingOutlined style={{ color: '#667eea' }} />
            字段配置
          </div>
        }
        open={fieldConfigModalVisible}
        onCancel={() => setFieldConfigModalVisible(false)}
        footer={null}
        width={600}
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '24px' },
        }}
      >
        <Form
          layout="vertical"
          onFinish={handleSaveFieldConfig}
          initialValues={{
            ...deviceFields.reduce(
              (acc, field) => ({
                ...acc,
                [`visible_${field.fieldName}`]: field.visible,
                [`required_${field.fieldName}`]: field.required,
              }),
              {}
            ),
          }}
        >
          <div style={{ maxHeight: 400, overflowY: 'auto' }}>
            <table style={{ width: '100%', borderCollapse: 'collapse' }}>
              <thead>
                <tr style={{ borderBottom: '1px solid #f0f0f0' }}>
                  <th style={{ padding: '8px', textAlign: 'left', width: '40%' }}>字段名称</th>
                  <th style={{ padding: '8px', textAlign: 'center', width: '30%' }}>可见</th>
                  <th style={{ padding: '8px', textAlign: 'center', width: '30%' }}>必填</th>
                </tr>
              </thead>
              <tbody>
                {deviceFields
                  .filter(field => field.fieldName !== 'deviceId')
                  .map(field => (
                    <tr key={field.fieldName} style={{ borderBottom: '1px solid #f0f0f0' }}>
                      <td style={{ padding: '8px' }}>{field.displayName}</td>
                      <td style={{ padding: '8px', textAlign: 'center' }}>
                        <Form.Item name={`visible_${field.fieldName}`} valuePropName="checked" noStyle>
                          <Switch size="small" />
                        </Form.Item>
                      </td>
                      <td style={{ padding: '8px', textAlign: 'center' }}>
                        <Form.Item name={`required_${field.fieldName}`} valuePropName="checked" noStyle>
                          <Switch size="small" />
                        </Form.Item>
                      </td>
                    </tr>
                  ))}
              </tbody>
            </table>
          </div>

          <Form.Item style={{ textAlign: 'right', marginTop: '20px' }}>
            <Space>
              <Button
                onClick={() => setFieldConfigModalVisible(false)}
                style={secondaryActionStyle}
              >
                取消
              </Button>
              <Button onClick={handleResetFieldConfig} style={secondaryActionStyle}>
                重置默认
              </Button>
              <Button
                type="primary"
                htmlType="submit"
                style={{
                  height: '40px',
                  borderRadius: designTokens.borderRadius.small,
                  background: designTokens.colors.primary.gradient,
                  border: 'none',
                  color: '#ffffff',
                  boxShadow: designTokens.shadows.small,
                  fontWeight: '500',
                  display: 'inline-flex',
                  alignItems: 'center',
                  justifyContent: 'center',
                }}
              >
                保存
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Modal>

      <Modal
        title={
          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
            <UploadOutlined style={{ color: '#667eea' }} />
            导入设备
          </div>
        }
        open={importModalVisible}
        onCancel={() => {
          setImportModalVisible(false);
          setImportProgress(0);
          setImportPhase('');
          setImportResult(null);
          setIsImporting(false);
        }}
        footer={null}
        width={650}
        destroyOnHidden
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '24px' },
        }}
      >
        {!isImporting && !importResult ? (
          <div>
            <p style={{ color: '#666', marginBottom: '8px' }}>请上传CSV格式的设备数据文件</p>
            <p style={{ color: '#999', fontSize: '12px', marginBottom: '20px' }}>
              支持的编码格式：GBK
            </p>

            <div
              style={{
                marginBottom: '20px',
                padding: '16px',
                background: 'linear-gradient(180deg, #fafafa 0%, #ffffff 100%)',
                borderRadius: '12px',
                border: '1px solid #f0f0f0',
              }}
            >
              <p style={{ fontWeight: '600', marginBottom: '8px', color: '#333' }}>
                CSV文件格式要求：
              </p>
              <div style={{ maxHeight: '200px', overflowY: 'auto' }}>
                {(() => {
                  // 获取必填字段
                  const requiredFields = deviceFields.filter(f => f.visible && f.required);
                  // 获取可选字段
                  const optionalFields = deviceFields.filter(f => f.visible && !f.required);

                  return (
                    <>
                      {requiredFields.length > 0 && (
                        <div style={{ marginBottom: '8px' }}>
                          <span style={{ color: '#d93025', fontWeight: '500' }}>必填字段：</span>
                          <span style={{ color: '#666', fontSize: '13px' }}>
                            {requiredFields.map(f => f.displayName).join('、')}
                          </span>
                        </div>
                      )}
                      {optionalFields.length > 0 && (
                        <div style={{ marginBottom: '8px' }}>
                          <span style={{ color: '#666', fontWeight: '500' }}>可选字段：</span>
                          <span style={{ color: '#666', fontSize: '13px' }}>
                            {optionalFields.map(f => f.displayName).join('、')}
                          </span>
                        </div>
                      )}
                    </>
                  );
                })()}
                <ul
                  style={{
                    paddingLeft: '20px',
                    marginBottom: '10px',
                    color: '#666',
                    fontSize: '13px',
                    marginTop: '12px',
                  }}
                >
                  <li>
                    设备类型：server(服务器)、switch(交换机)、router(路由器)、storage(存储设备)、other(其他)
                  </li>
                  <li>状态值：running(运行中)、maintenance(维护中)、offline(离线)、fault(故障)</li>
                  <li>日期格式：YYYY-MM-DD (例如：2023-01-01)</li>
                </ul>
              </div>
            </div>

            <div style={{ marginBottom: '20px' }}>
              <a href="/api/devices/import-template" download="设备导入模板.csv">
                <Button icon={<DownloadOutlined />} style={secondaryActionStyle}>
                  下载导入模板
                </Button>
              </a>
              <span style={{ color: '#999', fontSize: '12px', marginLeft: '10px' }}>
                包含示例数据的CSV模板文件（根据当前字段配置生成）
              </span>
            </div>

            <Upload
              name="csvFile"
              accept=".csv"
              showUploadList={false}
              beforeUpload={handleImport}
              maxCount={1}
            >
              <Button
                type="primary"
                icon={<UploadOutlined />}
                block
                style={{
                  height: '40px',
                  borderRadius: designTokens.borderRadius.small,
                  background: designTokens.colors.primary.gradient,
                  border: 'none',
                  color: '#ffffff',
                  boxShadow: designTokens.shadows.small,
                  fontWeight: '500',
                  display: 'inline-flex',
                  alignItems: 'center',
                  justifyContent: 'center',
                }}
              >
                选择CSV文件
              </Button>
            </Upload>
          </div>
        ) : isImporting ? (
          <div>
            <div style={{ display: 'flex', alignItems: 'center', marginBottom: '16px' }}>
              <div
                style={{
                  width: '48px',
                  height: '48px',
                  borderRadius: '50%',
                  background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
                  display: 'flex',
                  alignItems: 'center',
                  justifyContent: 'center',
                  marginRight: '16px',
                  color: '#fff',
                  fontSize: '20px',
                }}
              >
                <UploadOutlined spin />
              </div>
              <div>
                <p
                  style={{
                    margin: '0 0 4px 0',
                    fontWeight: '600',
                    color: '#333',
                    fontSize: '16px',
                  }}
                >
                  正在导入设备数据
                </p>
                <p style={{ margin: 0, color: '#667eea', fontSize: '14px' }}>{importPhase}</p>
              </div>
            </div>
            <Progress
              percent={importProgress}
              status="active"
              strokeColor={{ '0%': '#667eea', '100%': '#764ba2' }}
              format={() => `${importProgress}%`}
            />
          </div>
        ) : importResult?.statistics ? (
          <div>
            <p style={{ marginBottom: '10px', fontWeight: '600' }}>导入完成：</p>
            <div
              style={{
                display: 'grid',
                gridTemplateColumns: 'repeat(3, 1fr)',
                gap: '12px',
                marginBottom: '16px',
              }}
            >
              <div
                style={{
                  padding: '12px',
                  background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
                  borderRadius: '8px',
                  color: '#fff',
                  textAlign: 'center',
                }}
              >
                <div style={{ fontSize: '24px', fontWeight: '700' }}>
                  {importResult.statistics.total || 0}
                </div>
                <div style={{ fontSize: '12px', opacity: 0.9 }}>总记录数</div>
              </div>
              <div
                style={{
                  padding: '12px',
                  background: 'linear-gradient(135deg, #52c41a 0%, #389e0d 100%)',
                  borderRadius: '8px',
                  color: '#fff',
                  textAlign: 'center',
                }}
              >
                <div style={{ fontSize: '24px', fontWeight: '700' }}>
                  {importResult.statistics.success || 0}
                </div>
                <div style={{ fontSize: '12px', opacity: 0.9 }}>成功</div>
              </div>
              <div
                style={{
                  padding: '12px',
                  background: 'linear-gradient(135deg, #ff4d4f 0%, #cf1322 100%)',
                  borderRadius: '8px',
                  color: '#fff',
                  textAlign: 'center',
                }}
              >
                <div style={{ fontSize: '24px', fontWeight: '700' }}>
                  {importResult.statistics.failed || 0}
                </div>
                <div style={{ fontSize: '12px', opacity: 0.9 }}>失败</div>
              </div>
            </div>
            {(() => {
              const errors = importResult.statistics?.errors;
              const hasErrors = Array.isArray(errors) && errors.length > 0;
              const hasFailedRecords = importResult.statistics?.failed > 0;

              return (
                (hasErrors || hasFailedRecords) && (
                  <div
                    style={{
                      marginTop: '20px',
                      maxHeight: 400,
                      overflowY: 'auto',
                      border: '1px solid #ffcccc',
                      borderRadius: '8px',
                      padding: '12px',
                      backgroundColor: '#fff7f7',
                    }}
                  >
                    <h4 style={{ color: '#d93025', marginBottom: '12px', fontWeight: '600' }}>
                      失败记录详情：
                    </h4>

                    {hasErrors ? (
                      <table
                        style={{ width: '100%', borderCollapse: 'collapse', fontSize: '13px' }}
                      >
                        <thead>
                          <tr style={{ backgroundColor: '#ffeeee' }}>
                            <th
                              style={{
                                border: '1px solid #ffcccc',
                                padding: '8px',
                                textAlign: 'left',
                                width: '80px',
                              }}
                            >
                              行号
                            </th>
                            <th
                              style={{
                                border: '1px solid #ffcccc',
                                padding: '8px',
                                textAlign: 'left',
                              }}
                            >
                              失败原因
                            </th>
                          </tr>
                        </thead>
                        <tbody>
                          {errors.map((item, index) => (
                            <tr key={index} style={{ borderBottom: '1px solid #ffcccc' }}>
                              <td
                                style={{
                                  border: '1px solid #ffcccc',
                                  padding: '8px',
                                  fontWeight: 'bold',
                                }}
                              >
                                {item.row || index + 1}
                              </td>
                              <td
                                style={{
                                  border: '1px solid #ffcccc',
                                  padding: '8px',
                                  color: '#d93025',
                                }}
                              >
                                {item.error || '未知错误'}
                              </td>
                            </tr>
                          ))}
                        </tbody>
                      </table>
                    ) : (
                      <div style={{ color: '#d93025', padding: '20px', textAlign: 'center' }}>
                        检测到 {importResult.statistics.failed} 条导入失败记录，但未提供详细错误信息
                      </div>
                    )}
                  </div>
                )
              );
            })()}
            <Button
              type="primary"
              onClick={() => {
                setImportModalVisible(false);
                setImportProgress(0);
                setImportResult(null);
                setIsImporting(false);
                fetchDevices();
              }}
              style={{
                marginTop: '20px',
                height: '40px',
                borderRadius: designTokens.borderRadius.small,
                background: designTokens.colors.primary.gradient,
                border: 'none',
                color: '#ffffff',
                boxShadow: designTokens.shadows.small,
                fontWeight: '500',
                display: 'inline-flex',
                alignItems: 'center',
                justifyContent: 'center',
              }}
            >
              确定
            </Button>
          </div>
        ) : null}
      </Modal>

      <Modal
        title={
          <div style={{ display: 'flex', alignItems: 'center', gap: '8px', fontSize: '18px', fontWeight: 600, paddingRight: '32px' }}>
            <AppstoreOutlined style={{ color: '#667eea' }} />
            设备详情
          </div>
        }
        open={detailModalVisible}
        onCancel={() => {
          setDetailModalVisible(false);
          setSelectedDevice(null);
        }}
        footer={[
          <Button
            key="close"
            onClick={() => {
              setDetailModalVisible(false);
              setSelectedDevice(null);
            }}
            style={secondaryActionStyle}
          >
            关闭
          </Button>,
          <Button
            key="viewTickets"
            onClick={() => {
              handleViewDeviceTickets(selectedDevice);
            }}
            style={secondaryActionStyle}
          >
            查看工单
          </Button>,
          <Button
            key="createTicket"
            onClick={() => {
              handleCreateTicketForDevice(selectedDevice);
            }}
            style={secondaryActionStyle}
          >
            创建工单
          </Button>,
          <Button
            key="edit"
            type="primary"
            onClick={() => {
              setDetailModalVisible(false);
              showModal(selectedDevice);
            }}
            style={{
              height: '40px',
              borderRadius: designTokens.borderRadius.small,
              background: designTokens.colors.primary.gradient,
              border: 'none',
              color: '#ffffff',
              boxShadow: designTokens.shadows.small,
              fontWeight: '500',
              display: 'inline-flex',
              alignItems: 'center',
              justifyContent: 'center',
            }}
          >
            编辑
          </Button>,
        ]}
        width={700}
        destroyOnHidden
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '0', overflow: 'auto' },
        }}
      >
        {selectedDevice && (
          <div>
            {/* 头部信息区域 */}
            <div style={{
              padding: '24px',
              background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
              color: '#fff'
            }}>
              <div style={{ display: 'flex', alignItems: 'center', gap: '16px' }}>
                <div style={{
                  width: '64px',
                  height: '64px',
                  borderRadius: '12px',
                  backgroundColor: 'rgba(255,255,255,0.2)',
                  display: 'flex',
                  alignItems: 'center',
                  justifyContent: 'center'
                }}>
                  {getDeviceTypeIcon(selectedDevice.type)}
                </div>
                <div style={{ flex: 1 }}>
                  <div style={{ fontSize: '24px', fontWeight: 600, marginBottom: '8px' }}>
                    {selectedDevice.name}
                  </div>
                  <div style={{ display: 'flex', alignItems: 'center', gap: '16px', opacity: 0.9 }}>
                    <span>{getTypeLabel(selectedDevice.type)}</span>
                    <span>|</span>
                    <span>{selectedDevice.deviceId}</span>
                    <span>|</span>
                    <Tag color={selectedDevice.status ? getStatusConfig(selectedDevice.status).badgeColor : 'default'} style={{ margin: 0 }}>
                      {selectedDevice.status ? getStatusConfig(selectedDevice.status).text : '-'}
                    </Tag>
                  </div>
                </div>
              </div>
            </div>

            {/* 内容区域 */}
            <div style={{ padding: '20px 24px' }}>
              {/* 基本信息卡片 */}
              <Card
                size="small"
                title={<span style={{ fontWeight: 600 }}>基本信息</span>}
                style={{ marginBottom: '16px', borderRadius: '8px' }}
              >
                <Row gutter={[24, 16]}>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>设备型号</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.model || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>序列号</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.serialNumber || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>IP地址</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.ipAddress || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>所在机房</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.Rack?.Room?.name || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>所在机柜</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.Rack?.name || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>位置(U)</div>
                    <div style={{ fontWeight: 500 }}>U{selectedDevice.position || '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>高度</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.height ? `${selectedDevice.height}U` : '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>功率</div>
                    <div style={{ fontWeight: 500 }}>{selectedDevice.power ? `${selectedDevice.power}W` : '-'}</div>
                  </Col>
                  <Col span={8}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>状态</div>
                    <div style={{
                      fontWeight: 500,
                      color: selectedDevice.status ? getStatusConfig(selectedDevice.status).color : '#666'
                    }}>
                      {selectedDevice.status ? getStatusConfig(selectedDevice.status).text : '-'}
                    </div>
                  </Col>
                </Row>
              </Card>

              {/* 维保信息卡片 */}
              <Card
                size="small"
                title={<span style={{ fontWeight: 600 }}>维保信息</span>}
                style={{ marginBottom: '16px', borderRadius: '8px' }}
              >
                <Row gutter={[24, 16]}>
                  <Col span={12}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>购买日期</div>
                    <div style={{ fontWeight: 500 }}>
                      {selectedDevice.purchaseDate
                        ? new Date(selectedDevice.purchaseDate).toLocaleDateString('zh-CN')
                        : '-'}
                    </div>
                  </Col>
                  <Col span={12}>
                    <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>保修到期</div>
                    <div style={{
                      fontWeight: selectedDevice.warrantyExpiry && new Date(selectedDevice.warrantyExpiry) < new Date() ? 600 : 500,
                      color: selectedDevice.warrantyExpiry && new Date(selectedDevice.warrantyExpiry) < new Date() ? '#d93025' : '#333'
                    }}>
                      {selectedDevice.warrantyExpiry
                        ? new Date(selectedDevice.warrantyExpiry).toLocaleDateString('zh-CN')
                        : '-'}
                    </div>
                  </Col>
                </Row>
              </Card>

              {/* 描述信息 */}
              {selectedDevice.description && (
                <Card
                  size="small"
                  title={<span style={{ fontWeight: 600 }}>描述</span>}
                  style={{ marginBottom: '16px', borderRadius: '8px' }}
                >
                  <div style={{ whiteSpace: 'pre-wrap', lineHeight: 1.6 }}>
                    {selectedDevice.description}
                  </div>
                </Card>
              )}

              {/* 自定义字段卡片 */}
              {selectedDevice.customFields && Object.keys(selectedDevice.customFields).length > 0 && (
                <Card
                  size="small"
                  title={<span style={{ fontWeight: 600 }}>自定义字段</span>}
                  style={{ borderRadius: '8px' }}
                >
                  <Row gutter={[24, 16]}>
                    {Object.entries(selectedDevice.customFields).map(([key, value]) => {
                      // 从 deviceFields 中查找对应的中文显示名称
                      const fieldConfig = deviceFields.find(f => f.fieldName === key);
                      const displayName = fieldConfig?.displayName || key;
                      return (
                        <Col span={8} key={key}>
                          <div style={{ color: '#666', fontSize: '12px', marginBottom: '4px' }}>{displayName}</div>
                          <div style={{ fontWeight: 500 }}>{String(value)}</div>
                        </Col>
                      );
                    })}
                  </Row>
                </Card>
              )}
            </div>
          </div>
        )}
      </Modal>

      <Modal
        title={
          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
            <ReloadOutlined style={{ color: '#52c41a' }} />
            批量状态变更
          </div>
        }
        open={batchStatusModalVisible}
        onCancel={() => setBatchStatusModalVisible(false)}
        footer={[
          <Button
            key="cancel"
            onClick={() => setBatchStatusModalVisible(false)}
            style={secondaryActionStyle}
          >
            取消
          </Button>,
          <Button
            key="submit"
            type="primary"
            loading={batchStatusLoading}
            onClick={handleBatchStatusChange}
            style={{
              height: '40px',
              borderRadius: designTokens.borderRadius.small,
              background: designTokens.colors.primary.gradient,
              border: 'none',
              color: '#ffffff',
              boxShadow: designTokens.shadows.small,
              fontWeight: '500',
              display: 'inline-flex',
              alignItems: 'center',
              justifyContent: 'center',
            }}
          >
            确定
          </Button>,
        ]}
        destroyOnHidden
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '24px' },
        }}
      >
        <Form form={batchStatusForm} layout="vertical">
          <Form.Item
            name="status"
            label="选择新状态"
            rules={[{ required: true, message: '请选择设备状态' }]}
          >
            <Select placeholder="请选择设备状态" style={{ width: '100%' }}>
              <Option value="running">运行中</Option>
              <Option value="maintenance">维护中</Option>
              <Option value="offline">离线</Option>
              <Option value="fault">故障</Option>
            </Select>
          </Form.Item>
          <div style={{ color: '#666', fontSize: '13px' }}>
            已选择{' '}
            <span style={{ color: '#1890ff', fontWeight: 600 }}>{selectedDevices.length}</span>{' '}
            个设备
          </div>
        </Form>
      </Modal>

      <Modal
        title={
          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
            <ExportOutlined style={{ color: '#fa8c16' }} />
            导出设备数据
          </div>
        }
        open={exportModalVisible}
        onCancel={() => setExportModalVisible(false)}
        footer={[
          <Button
            key="cancel"
            onClick={() => setExportModalVisible(false)}
            style={secondaryActionStyle}
          >
            取消
          </Button>,
          <Button
            key="submit"
            type="primary"
            loading={exportLoading}
            onClick={handleEnhancedExport}
            style={{
              height: '40px',
              borderRadius: designTokens.borderRadius.small,
              background: designTokens.colors.primary.gradient,
              border: 'none',
              color: '#ffffff',
              boxShadow: designTokens.shadows.small,
              fontWeight: '500',
              display: 'inline-flex',
              alignItems: 'center',
              justifyContent: 'center',
            }}
          >
            导出
          </Button>,
        ]}
        destroyOnHidden
        styles={{
          header: {
            borderBottom: '1px solid #f0f0f0',
            padding: '16px 24px',
            position: 'relative',
          },
          body: { padding: '24px' },
        }}
        width={600}
      >
        <Form layout="vertical">
          <Form.Item label="导出格式">
            <Select value={exportFormat} onChange={setExportFormat} style={{ width: '100%' }}>
              <Option value="csv">CSV 格式</Option>
              <Option value="json">JSON 格式</Option>
            </Select>
          </Form.Item>
          <Form.Item label="导出范围">
            <Select value={exportScope} onChange={setExportScope} style={{ width: '100%' }}>
              <Option value="selected">选择的行 ({selectedDevices.length} 个)</Option>
              <Option value="currentPage">当前页 ({currentPageDevices.length} 个)</Option>
              <Option value="all">全部设备 ({allDevices.length} 个)</Option>
            </Select>
          </Form.Item>
          <Form.Item label="选择导出字段">
            <div
              style={{
                maxHeight: '300px',
                overflow: 'auto',
                border: '1px solid #f0f0f0',
                borderRadius: '8px',
                padding: '12px',
              }}
            >
              {deviceFields
                .filter(f => f.visible && f.fieldName !== 'rackId')
                .map(field => (
                  <div key={field.fieldName} style={{ marginBottom: '8px' }}>
                    <Checkbox
                      checked={exportFields.includes(field.fieldName)}
                      onChange={e => {
                        if (e.target.checked) {
                          setExportFields([...exportFields, field.fieldName]);
                        } else {
                          setExportFields(exportFields.filter(f => f !== field.fieldName));
                        }
                      }}
                    >
                      {field.displayName}
                    </Checkbox>
                  </div>
                ))}
            </div>
          </Form.Item>
          <div style={{ color: '#666', fontSize: '13px' }}>
            已选择{' '}
            <span style={{ color: '#1890ff', fontWeight: 600 }}>{selectedDevices.length}</span>{' '}
            个设备， 将导出{' '}
            <span style={{ color: '#52c41a', fontWeight: 600 }}>{exportFields.length}</span> 个字段
          </div>
        </Form>
      </Modal>
    </div>
  );
}

export default DeviceManagement;