import { Button, Card, Form, Select, Space, Table, Tabs, Tag, Toast, Typography } from '@douyinfe/semi-ui';
import { IconCopy } from '@douyinfe/semi-icons';
import { useEffect, useState } from 'react';
import { api } from '../api/client';
import type { OpsHealth, VehicleRealtimeRow } from '../api/types';
import { DataEmpty } from '../components/DataEmpty';
import { PageHeader } from '../components/PageHeader';
import { SourceStatusTags } from '../components/SourceStatusTags';
import { StatusTag } from '../components/StatusTag';
import { VehicleMap, type VehicleMapPoint } from '../components/VehicleMap';
import { getAMapConfig, isAMapConfigured } from '../config/appConfig';
import { buildAppHash } from '../domain/appRoute';
import { buildCsv, downloadCsv, type CsvColumn } from '../domain/csvExport';

function canOpenVehicle(vin?: string) {
  const value = vin?.trim();
  return Boolean(value && value !== 'unknown');
}

function vehicleServiceStatus(row: VehicleRealtimeRow) {
  if (row.serviceStatus) {
    return {
      label: row.serviceStatus.title,
      color: row.serviceStatus.severity === 'ok' ? 'green' as const : row.serviceStatus.severity === 'error' ? 'red' as const : 'orange' as const
    };
  }
  if (row.onlineSourceCount <= 0) {
    return { label: '车辆离线', color: 'red' as const };
  }
  if (row.onlineSourceCount < row.sourceCount) {
    return { label: '来源不完整', color: 'orange' as const };
  }
  return { label: '服务正常', color: 'green' as const };
}

function sourceEvidenceText(row: VehicleRealtimeRow) {
  return `${row.onlineSourceCount}/${row.sourceCount} 来源在线`;
}

function formatPercent(value: number) {
  return Number.isFinite(value) ? `${value.toLocaleString(undefined, { maximumFractionDigits: 1 })}%` : '0%';
}

function serviceStatusWeight(row: VehicleRealtimeRow) {
  const severity = row.serviceStatus?.severity;
  if (severity === 'error') return 4;
  if (severity === 'warning') return 3;
  if (row.onlineSourceCount <= 0) return 4;
  if (row.onlineSourceCount < row.sourceCount) return 3;
  return 1;
}

function sourceIssueTags(row: VehicleRealtimeRow) {
  const tags = (row.sourceStatus ?? [])
    .filter((source) => !source.online || !source.hasRealtime)
    .map((source) => `${source.protocol} ${source.hasRealtime ? '离线' : '未接入'}`) ?? [];
  if (tags.length > 0) return tags;
  if (row.onlineSourceCount < row.sourceCount) return ['来源缺失'];
  return [];
}

function hasSourceIssue(row: VehicleRealtimeRow) {
  const severity = row.serviceStatus?.severity;
  return severity === 'warning' || severity === 'error' || row.onlineSourceCount < row.sourceCount || sourceIssueTags(row).length > 0;
}

function isValidCoordinate(row: VehicleRealtimeRow) {
  return Number.isFinite(row.longitude) && Number.isFinite(row.latitude) && row.longitude !== 0 && row.latitude !== 0;
}

function realtimeMapPointId(row: VehicleRealtimeRow, index = 0) {
  return row.vin?.trim() || `${row.primaryProtocol || 'source'}-${index}`;
}

function formatRefreshTime(date: Date) {
  return date.toLocaleTimeString('zh-CN', {
    hour12: false,
    hour: '2-digit',
    minute: '2-digit',
    second: '2-digit'
  });
}

function parseVehicleTime(value?: string) {
  const normalized = value?.trim();
  if (!normalized) {
    return Number.NaN;
  }
  return new Date(normalized.replace(' ', 'T')).getTime();
}

function dataFreshness(row: VehicleRealtimeRow) {
  const timestamp = parseVehicleTime(row.lastSeen);
  if (!Number.isFinite(timestamp)) {
    return {
      label: '无时间',
      color: 'grey' as const,
      detail: '未上报最后时间',
      stale: true
    };
  }
  const ageSeconds = Math.floor((Date.now() - timestamp) / 1000);
  if (ageSeconds <= 300) {
    return {
      label: '数据新鲜',
      color: 'green' as const,
      detail: ageSeconds <= 0 ? '刚刚更新' : `${Math.max(1, Math.ceil(ageSeconds / 60))} 分钟内更新`,
      stale: false
    };
  }
  if (ageSeconds < 3600) {
    return {
      label: '更新超时',
      color: 'orange' as const,
      detail: `${Math.ceil(ageSeconds / 60)} 分钟未更新`,
      stale: true
    };
  }
  if (ageSeconds < 86400) {
    return {
      label: '更新超时',
      color: 'red' as const,
      detail: `${Math.ceil(ageSeconds / 3600)} 小时未更新`,
      stale: true
    };
  }
  return {
    label: '更新超时',
    color: 'red' as const,
    detail: `${Math.ceil(ageSeconds / 86400)} 天未更新`,
    stale: true
  };
}

function amapMarkerURL(row: VehicleRealtimeRow) {
  const name = encodeURIComponent(row.plate || row.vin || '车辆位置');
  return `https://uri.amap.com/marker?position=${row.longitude},${row.latitude}&name=${name}&src=lingniu-vehicle-platform`;
}

const onlineLabel: Record<string, string> = {
  online: '在线',
  offline: '离线'
};

const serviceStatusLabel: Record<string, string> = {
  healthy: '服务正常',
  degraded: '来源不完整',
  offline: '车辆离线',
  identity_required: '身份未绑定'
};

const realtimeExportColumns: CsvColumn<VehicleRealtimeRow>[] = [
  { title: 'VIN', value: (row) => row.vin },
  { title: '车牌', value: (row) => row.plate },
  { title: '手机号', value: (row) => row.phone },
  { title: 'OEM', value: (row) => row.oem },
  { title: '主来源', value: (row) => row.primaryProtocol },
  { title: '来源列表', value: (row) => row.protocols?.join('|') },
  { title: '在线', value: (row) => row.online ? '在线' : '离线' },
  { title: '车辆服务状态', value: (row) => vehicleServiceStatus(row).label },
  { title: '来源在线', value: (row) => sourceEvidenceText(row) },
  { title: '经度', value: (row) => row.longitude },
  { title: '纬度', value: (row) => row.latitude },
  { title: '速度km/h', value: (row) => row.speedKmh },
  { title: 'SOC%', value: (row) => row.socPercent },
  { title: '总里程km', value: (row) => row.totalMileageKm },
  { title: '最后时间', value: (row) => row.lastSeen },
  { title: '绑定状态', value: (row) => row.bindingStatus }
];

type RealtimeSourceCoverage = {
  protocol: string;
  total: number;
  online: number;
  located: number;
  degraded: number;
  stale: number;
};

function realtimeExportFileName(filters: Record<string, string>) {
  const keyword = filters.keyword?.trim() || 'all';
  const protocol = filters.protocol?.trim() || 'all-source';
  const online = filters.online?.trim() || 'all-online';
  return `realtime-vehicles-${keyword}-${protocol}-${online}.csv`;
}

function realtimeFilterSummary(filters: Record<string, string>) {
  return [
    filters.keyword ? `关键词：${filters.keyword}` : '',
    filters.protocol ? `数据来源：${filters.protocol}` : '',
    filters.online ? `在线：${onlineLabel[filters.online] ?? filters.online}` : '',
    filters.serviceStatus ? `服务状态：${serviceStatusLabel[filters.serviceStatus] ?? filters.serviceStatus}` : ''
  ].filter(Boolean);
}

function realtimeOperationsSummaryText({
  filters,
  rows,
  total,
  onlineCount,
  locatedCount,
  degradedCount,
  sourceTypeCount,
  amapConfigured,
  sourceIssueRows
}: {
  filters: Record<string, string>;
  rows: VehicleRealtimeRow[];
  total: number;
  onlineCount: number;
  locatedCount: number;
  degradedCount: number;
  sourceTypeCount: number;
  amapConfigured: boolean;
  sourceIssueRows: VehicleRealtimeRow[];
}) {
  const issueLines = sourceIssueRows.length > 0
    ? sourceIssueRows.map((row, index) => {
      const status = vehicleServiceStatus(row);
      return `${index + 1}. ${row.plate || row.vin} / ${row.primaryProtocol || '-'} / ${status.label} / ${row.serviceStatus?.detail || sourceEvidenceText(row)}`;
    }).join('\n')
    : '暂无重点车辆';
  return [
    '【实时监控摘要】',
    `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
    `车辆总数：${total.toLocaleString()}，当前页：${rows.length.toLocaleString()}`,
    `在线车辆：${onlineCount.toLocaleString()}，定位有效：${locatedCount.toLocaleString()}`,
    `降级服务：${degradedCount.toLocaleString()}，来源类型：${sourceTypeCount.toLocaleString()}`,
    `地图配置：${amapConfigured ? '已配置' : '未配置'}`,
    '重点车辆：',
    issueLines,
    `实时页面：${window.location.origin}${window.location.pathname}${window.location.hash}`
  ].join('\n');
}

function appURL(hash: string) {
  return `${window.location.origin}${window.location.pathname}${hash}`;
}

function rawFrameAPIURL(row: VehicleRealtimeRow, protocol: string) {
  const params = new URLSearchParams({
    protocol,
    vin: row.vin || '',
    limit: '20',
    includeFields: 'true'
  });
  return `${window.location.origin}/api/history/raw-frames?${params.toString()}`;
}

function realtimeIssueLabels(row: VehicleRealtimeRow) {
  const labels: string[] = [];
  const freshness = dataFreshness(row);
  if (freshness.stale) {
    labels.push(freshness.detail);
  }
  if (!isValidCoordinate(row)) {
    labels.push('坐标无效');
  }
  if (hasSourceIssue(row)) {
    labels.push(row.serviceStatus?.detail || sourceIssueTags(row).join('、') || sourceEvidenceText(row));
  }
  return labels.length > 0 ? labels : ['暂无异常'];
}

function realtimeIssueAction(row: VehicleRealtimeRow) {
  const issues = realtimeIssueLabels(row).join('；');
  if (!isValidCoordinate(row)) {
    return `核对${row.primaryProtocol || '实时来源'}定位字段解析和平台转发`;
  }
  if (dataFreshness(row).stale) {
    return `确认${row.primaryProtocol || '实时来源'}是否持续上报，必要时检查接入链路`;
  }
  if (hasSourceIssue(row)) {
    return '补齐离线来源，确认多来源实时状态一致';
  }
  return issues === '暂无异常' ? '持续观察' : '结合车辆服务详情继续排查';
}

function realtimeIssueChecklistText({
  filters,
  rows,
  total
}: {
  filters: Record<string, string>;
  rows: VehicleRealtimeRow[];
  total: number;
}) {
  const issueRows = rows
    .filter((row) => canOpenVehicle(row.vin) && (dataFreshness(row).stale || !isValidCoordinate(row) || hasSourceIssue(row)))
    .sort((a, b) => {
      const statusDelta = serviceStatusWeight(b) - serviceStatusWeight(a);
      if (statusDelta !== 0) return statusDelta;
      return Number(dataFreshness(b).stale) - Number(dataFreshness(a).stale);
    });
  const lines = [
    '【实时异常处置清单】',
    `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
    `异常车辆：${issueRows.length.toLocaleString()} / 当前页 ${rows.length.toLocaleString()} / 总计 ${total.toLocaleString()}`,
    ''
  ];
  if (issueRows.length === 0) {
    lines.push('当前页暂无实时异常车辆。');
  }
  issueRows.forEach((row, index) => {
    const protocol = filters.protocol || row.primaryProtocol || '';
    const status = vehicleServiceStatus(row);
    const issues = realtimeIssueLabels(row).join('；');
    lines.push(
      `${index + 1}. ${row.plate || '-'} / ${row.vin} / ${protocol || '-'}`,
      `   状态：${status.label}；在线：${row.online ? '在线' : '离线'}；问题：${issues}`,
      `   位置：${isValidCoordinate(row) ? `${row.longitude},${row.latitude}` : '无有效坐标'}；速度：${row.speedKmh ?? '-'} km/h；SOC：${row.socPercent ?? '-'}%`,
      `   最后时间：${row.lastSeen || '-'}；建议动作：${realtimeIssueAction(row)}`,
      `   车辆服务：${appURL(buildAppHash({ page: 'detail', keyword: row.vin, protocol }))}`,
      `   实时监控：${appURL(buildAppHash({ page: 'realtime', keyword: row.vin, protocol }))}`,
      `   轨迹回放：${appURL(buildAppHash({ page: 'history', keyword: row.vin, protocol }))}`,
      `   告警事件：${appURL(buildAppHash({ page: 'alert-events', keyword: row.vin, protocol }))}`
    );
  });
  return lines.join('\n');
}

function realtimeDutyHandoffText({
  filters,
  rows,
  total,
  onlineCount,
  locatedCount,
  degradedCount,
  staleCount,
  sourceTypeCount,
  amapConfigured,
  runtimeRelease
}: {
  filters: Record<string, string>;
  rows: VehicleRealtimeRow[];
  total: number;
  onlineCount: number;
  locatedCount: number;
  degradedCount: number;
  staleCount: number;
  sourceTypeCount: number;
  amapConfigured: boolean;
  runtimeRelease?: string;
}) {
  const sourceCoverage = new Map<string, { total: number; online: number; realtime: number }>();
  rows.forEach((row) => {
    row.sourceStatus?.forEach((source) => {
      const current = sourceCoverage.get(source.protocol) ?? { total: 0, online: 0, realtime: 0 };
      current.total += 1;
      current.online += source.online ? 1 : 0;
      current.realtime += source.hasRealtime ? 1 : 0;
      sourceCoverage.set(source.protocol, current);
    });
  });
  const sourceLines = [...sourceCoverage.entries()]
    .sort(([left], [right]) => left.localeCompare(right))
    .map(([protocol, item]) => `${protocol}：在线 ${item.online}/${item.total}，实时 ${item.realtime}/${item.total}`);
  const sampleRows = rows
    .filter((row) => canOpenVehicle(row.vin))
    .sort((a, b) => {
      const statusDelta = serviceStatusWeight(b) - serviceStatusWeight(a);
      if (statusDelta !== 0) return statusDelta;
      return Number(dataFreshness(b).stale) - Number(dataFreshness(a).stale);
    })
    .slice(0, 8);
  const lines = [
    '【实时值班交接包】',
    `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
    `页面车辆：${rows.length.toLocaleString()} / 总计 ${total.toLocaleString()}；版本：${runtimeRelease || '未标记'}`,
    `在线：${onlineCount.toLocaleString()}；离线：${(rows.length - onlineCount).toLocaleString()}；定位有效：${locatedCount.toLocaleString()}；降级：${degradedCount.toLocaleString()}；超时：${staleCount.toLocaleString()}；来源类型：${sourceTypeCount.toLocaleString()}`,
    `地图：${amapConfigured ? '高德已配置' : '高德未配置'}`,
    `来源覆盖：${sourceLines.length > 0 ? sourceLines.join('；') : '当前页暂无来源明细'}`,
    `值班入口：${appURL(buildAppHash({ page: 'realtime', protocol: filters.protocol, filters }))}`,
    ''
  ];
  if (sampleRows.length === 0) {
    lines.push('当前页暂无可交接 VIN 样本。');
    return lines.join('\n');
  }
  lines.push('车辆样本：');
  sampleRows.forEach((row, index) => {
    const protocol = filters.protocol || row.primaryProtocol || '';
    const status = vehicleServiceStatus(row);
    const freshness = dataFreshness(row);
    lines.push(
      `${index + 1}. ${row.plate || '-'} / ${row.vin} / ${protocol || '-'} / ${status.label}`,
      `   最后上报：${row.lastSeen || '-'}；新鲜度：${freshness.label}；位置：${isValidCoordinate(row) ? `${row.longitude},${row.latitude}` : '无有效坐标'}；速度：${row.speedKmh ?? '-'} km/h；SOC：${row.socPercent ?? '-'}%`,
      `   来源：${sourceEvidenceText(row)}；问题：${realtimeIssueLabels(row).join('；')}`,
      `   车辆服务：${appURL(buildAppHash({ page: 'detail', keyword: row.vin, protocol }))}`,
      `   实时监控：${appURL(buildAppHash({ page: 'realtime', keyword: row.vin, protocol }))}`,
      `   轨迹回放：${appURL(buildAppHash({ page: 'history', keyword: row.vin, protocol }))}`,
      `   里程统计：${appURL(buildAppHash({ page: 'mileage', keyword: row.vin, protocol }))}`,
      `   历史RAW：${protocol ? rawFrameAPIURL(row, protocol) : '-'}`
    );
  });
  return lines.join('\n');
}

function realtimeImpactReportText({
  filters,
  rows,
  total,
  onlineCount,
  locatedCount,
  degradedCount,
  staleCount,
  pageCoverageRate,
  amapConfigured,
  runtimeRelease
}: {
  filters: Record<string, string>;
  rows: VehicleRealtimeRow[];
  total: number;
  onlineCount: number;
  locatedCount: number;
  degradedCount: number;
  staleCount: number;
  pageCoverageRate: number;
  amapConfigured: boolean;
  runtimeRelease?: string;
}) {
  const offlineCount = Math.max(0, rows.length - onlineCount);
  const impactLevel = degradedCount > 0 || staleCount > 0 || offlineCount > 0 ? '需要处置' : '实时稳定';
  return [
    '【实时运营影响】',
    `当前筛选：${realtimeFilterSummary(filters).join('；') || '全部实时车辆'}`,
    `运行版本：${runtimeRelease || '未标记'}`,
    `影响等级：${impactLevel}`,
    `车辆范围：当前页 ${rows.length.toLocaleString()} / 总计 ${total.toLocaleString()}，覆盖率 ${formatPercent(pageCoverageRate)}`,
    `在线状态：${onlineCount.toLocaleString()} 在线 / ${offlineCount.toLocaleString()} 离线`,
    `定位影响：${locatedCount.toLocaleString()} 辆有有效坐标`,
    `服务影响：${degradedCount.toLocaleString()} 辆降级 / ${staleCount.toLocaleString()} 辆超时`,
    `地图能力：${amapConfigured ? '高德地图可用' : '高德地图未配置，使用坐标预览'}`,
    `建议动作：${impactLevel === '实时稳定' ? '保持监控并关注告警队列' : '优先处理离线、超时和来源不完整车辆，并回到轨迹/RAW证据复核'}`,
    `实时监控：${appURL(buildAppHash({ page: 'realtime', protocol: filters.protocol, filters }))}`
  ].join('\n');
}

function buildRealtimeSourceCoverage(rows: VehicleRealtimeRow[]) {
  const sourceMap = new Map<string, RealtimeSourceCoverage>();
  rows.forEach((row) => {
    const protocols = row.sourceStatus?.length
      ? row.sourceStatus.map((source) => source.protocol)
      : row.primaryProtocol ? [row.primaryProtocol] : [];
    protocols.forEach((protocol) => {
      const source = row.sourceStatus?.find((item) => item.protocol === protocol);
      const current = sourceMap.get(protocol) ?? { protocol, total: 0, online: 0, located: 0, degraded: 0, stale: 0 };
      current.total += 1;
      current.online += (source ? source.online : row.online) ? 1 : 0;
      current.located += isValidCoordinate(row) ? 1 : 0;
      current.degraded += (!source || !source.online || !source.hasRealtime || row.onlineSourceCount < row.sourceCount) ? 1 : 0;
      current.stale += dataFreshness(row).stale ? 1 : 0;
      sourceMap.set(protocol, current);
    });
  });
  return [...sourceMap.values()].sort((left, right) => right.total - left.total || left.protocol.localeCompare(right.protocol));
}

async function copyText(value: string, label: string) {
  const text = value.trim();
  if (!text) {
    Toast.warning(`${label}为空`);
    return;
  }
  try {
    await navigator.clipboard.writeText(text);
    Toast.success(`已复制${label}`);
  } catch {
    Toast.error(`复制${label}失败`);
  }
}

export function Realtime({
  title = '实时监控',
  description = '以车辆为主对象查看最新位置、在线来源、核心实时数据和地图作业状态',
  onOpenVehicle,
  onOpenHistory,
  onOpenQuality,
  onFiltersChange,
  initialFilters = {}
}: {
  title?: string;
  description?: string;
  onOpenVehicle: (vin: string, protocol?: string) => void;
  onOpenHistory?: (vin: string, protocol?: string) => void;
  onOpenQuality?: (filters: Record<string, string>) => void;
  onFiltersChange?: (filters: Record<string, string>) => void;
  initialFilters?: Record<string, string>;
}) {
  const [rows, setRows] = useState<VehicleRealtimeRow[]>([]);
  const [loading, setLoading] = useState(true);
  const [filters, setFilters] = useState<Record<string, string>>(initialFilters);
  const [pagination, setPagination] = useState({ currentPage: 1, pageSize: 50, total: 0 });
  const [opsHealth, setOpsHealth] = useState<OpsHealth | null>(null);
  const [selectedMapPointId, setSelectedMapPointId] = useState('');
  const [lastRefreshAt, setLastRefreshAt] = useState('');
  const [autoRefresh, setAutoRefresh] = useState(true);
  const refreshIntervalSeconds = 15;
  const amapConfig = getAMapConfig();
  const runtime = opsHealth?.runtime;
  const amapConfigured = runtime?.amapWebJsConfigured ?? isAMapConfigured(amapConfig);
  const amapSecurityServiceHost = runtime?.amapSecurityServiceHost || amapConfig.securityServiceHost;
  const amapSecurityProxyEnabled = runtime?.amapSecurityProxyEnabled ?? Boolean(amapSecurityServiceHost);
  const amapSecurityCodeExposed = runtime?.amapSecurityCodeExposed ?? Boolean(amapConfig.securityJsCode && !amapSecurityServiceHost);

  const load = (values: Record<string, string> = filters, page = pagination.currentPage, pageSize = pagination.pageSize) => {
    setLoading(true);
    const params = new URLSearchParams({ limit: String(pageSize), offset: String((page - 1) * pageSize) });
    if (values?.keyword) params.set('keyword', values.keyword);
    if (values?.protocol) params.set('protocol', values.protocol);
    if (values?.online) params.set('online', values.online);
    if (values?.serviceStatus) params.set('serviceStatus', values.serviceStatus);
    return api.vehicleRealtime(params)
      .then((nextPage) => {
        setRows(nextPage.items);
        setPagination({ currentPage: page, pageSize, total: nextPage.total });
        setLastRefreshAt(formatRefreshTime(new Date()));
      })
      .catch((error: Error) => Toast.error(error.message))
      .finally(() => setLoading(false));
  };

  useEffect(() => {
    setFilters(initialFilters);
    load(initialFilters, 1, pagination.pageSize);
    api.opsHealth()
      .then(setOpsHealth)
      .catch(() => setOpsHealth(null));
  }, [JSON.stringify(initialFilters)]);

  useEffect(() => {
    if (!autoRefresh) {
      return undefined;
    }
    const timer = window.setInterval(() => {
      load(filters, pagination.currentPage, pagination.pageSize);
    }, refreshIntervalSeconds * 1000);
    return () => window.clearInterval(timer);
  }, [autoRefresh, JSON.stringify(filters), pagination.currentPage, pagination.pageSize]);

  const applyFilters = (nextFilters: Record<string, string>) => {
    setFilters(nextFilters);
    onFiltersChange?.(nextFilters);
    load(nextFilters, 1, pagination.pageSize);
  };
  const openQualityEvidence = (row: VehicleRealtimeRow) => {
    if (!canOpenVehicle(row.vin)) return;
    onOpenQuality?.({
      keyword: row.vin,
      protocol: filters.protocol || row.primaryProtocol || ''
    });
  };
  const exportRealtime = () => {
    if (rows.length === 0) {
      Toast.warning('当前没有可导出的实时车辆');
      return;
    }
    downloadCsv(realtimeExportFileName(filters), buildCsv(realtimeExportColumns, rows));
    Toast.success(`已导出 ${rows.length} 条实时车辆`);
  };
  const filterSummary = realtimeFilterSummary(filters);
  const onlineCount = rows.filter((row) => row.online).length;
  const locatedCount = rows.filter(isValidCoordinate).length;
  const degradedCount = rows.filter((row) => row.onlineSourceCount < row.sourceCount).length;
  const staleCount = rows.filter((row) => dataFreshness(row).stale).length;
  const onlineRate = rows.length > 0 ? (onlineCount / rows.length) * 100 : 0;
  const locatedRate = rows.length > 0 ? (locatedCount / rows.length) * 100 : 0;
  const degradedRate = rows.length > 0 ? (degradedCount / rows.length) * 100 : 0;
  const pageCoverageRate = pagination.total > 0 ? (rows.length / pagination.total) * 100 : 0;
  const primaryProtocols = new Set(rows.map((row) => row.primaryProtocol).filter(Boolean));
  const sourceCoverageRows = buildRealtimeSourceCoverage(rows);
  const sourceIssueRows = rows
    .filter((row) => canOpenVehicle(row.vin) && hasSourceIssue(row))
    .sort((a, b) => {
      const statusDelta = serviceStatusWeight(b) - serviceStatusWeight(a);
      if (statusDelta !== 0) return statusDelta;
      return String(b.lastSeen ?? '').localeCompare(String(a.lastSeen ?? ''));
    })
    .slice(0, 4);
  const mapServiceRows = rows
    .filter((row) => isValidCoordinate(row) && canOpenVehicle(row.vin))
    .sort((a, b) => {
      const statusDelta = serviceStatusWeight(b) - serviceStatusWeight(a);
      if (statusDelta !== 0) return statusDelta;
      return String(b.lastSeen ?? '').localeCompare(String(a.lastSeen ?? ''));
    })
    .slice(0, 5);
  const defaultMapRow = mapServiceRows[0] ?? rows.find((row) => isValidCoordinate(row) && canOpenVehicle(row.vin));
  const selectedMapRow = rows.find((row, index) => realtimeMapPointId(row, index) === selectedMapPointId) ?? defaultMapRow;
  const selectedMapPointKey = selectedMapRow ? realtimeMapPointId(selectedMapRow, rows.indexOf(selectedMapRow)) : selectedMapPointId;
  const mapPoints: VehicleMapPoint[] = rows.map((row, index) => ({
    id: realtimeMapPointId(row, index),
    label: row.plate || row.vin || 'unknown',
    longitude: row.longitude,
    latitude: row.latitude,
    online: row.online,
    title: `${row.plate || row.vin || '-'} ${vehicleServiceStatus(row).label} ${row.primaryProtocol || ''} ${row.lastSeen || ''}`
  }));
  const mapIntegrationRows = [
    {
      label: 'Web JS Key',
      value: amapConfigured ? '已配置' : '未配置',
      color: amapConfigured ? 'green' as const : 'orange' as const,
      detail: amapConfigured ? '前端可加载高德 Web JS API。' : '缺少公开 Key，地图将使用坐标预览。'
    },
    {
      label: '服务端 API Key',
      value: runtime?.amapApiConfigured ? '已配置' : '未配置',
      color: runtime?.amapApiConfigured ? 'green' as const : 'orange' as const,
      detail: runtime?.amapApiConfigured ? '后端可支持地理编码、路线、围栏等服务端地图能力。' : '服务端地图能力未配置，后续地理服务会降级。'
    },
    {
      label: '安全代理',
      value: amapSecurityServiceHost || '未启用',
      color: amapSecurityProxyEnabled ? 'green' as const : 'grey' as const,
      detail: amapSecurityProxyEnabled ? '安全密钥由服务端追加，不下发到浏览器。' : '未配置代理时会退回前端安全码模式。'
    },
    {
      label: '安全码',
      value: amapSecurityCodeExposed ? '已暴露' : '未暴露',
      color: amapSecurityCodeExposed ? 'red' as const : 'green' as const,
      detail: amapSecurityCodeExposed ? '当前安全码会下发到浏览器，只建议调试使用。' : '生产安全码保持在服务端环境变量中。'
    },
    {
      label: '当前版本',
      value: runtime?.platformRelease || '未标记',
      color: runtime?.platformRelease ? 'blue' as const : 'grey' as const,
      detail: runtime?.platformRelease ? '当前 ECS 正在运行的车辆中台 release。' : '未注入 PLATFORM_RELEASE，部署追踪会降级。'
    },
    {
      label: '定位覆盖',
      value: `${locatedCount.toLocaleString()} / ${rows.length.toLocaleString()}`,
      color: locatedCount > 0 ? 'blue' as const : 'orange' as const,
      detail: '当前页有效经纬度车辆数。'
    },
    {
      label: '高德 URI',
      value: '坐标跳转',
      color: 'blue' as const,
      detail: '车辆队列可直接打开高德坐标，轨迹页可打开线路。'
    }
  ];
  const copyRealtimeSummary = () => copyText(realtimeOperationsSummaryText({
    filters,
    rows,
    total: pagination.total,
    onlineCount,
    locatedCount,
    degradedCount,
    sourceTypeCount: primaryProtocols.size,
    amapConfigured,
    sourceIssueRows
  }), '实时摘要');
  const copyRealtimeIssueChecklist = () => copyText(realtimeIssueChecklistText({ filters, rows, total: pagination.total }), '实时异常处置清单');
  const copyRealtimeDutyHandoff = () => copyText(realtimeDutyHandoffText({
    filters,
    rows,
    total: pagination.total,
    onlineCount,
    locatedCount,
    degradedCount,
    staleCount,
    sourceTypeCount: primaryProtocols.size,
    amapConfigured,
    runtimeRelease: runtime?.platformRelease
  }), '实时值班交接包');
  const realtimeImpactLevel = degradedCount > 0 || staleCount > 0 || rows.length - onlineCount > 0 ? '需要处置' : '实时稳定';
  const realtimeImpactColor = realtimeImpactLevel === '实时稳定' ? 'green' as const : degradedCount > 0 || staleCount > 0 ? 'orange' as const : 'blue' as const;
  const realtimeImpactItems = [
    {
      label: '车辆范围',
      value: `${rows.length.toLocaleString()} / ${pagination.total.toLocaleString()}`,
      detail: `当前页覆盖 ${formatPercent(pageCoverageRate)}`,
      color: pageCoverageRate >= 100 ? 'green' as const : 'grey' as const
    },
    {
      label: '在线影响',
      value: `${onlineCount.toLocaleString()} 在线`,
      detail: `${(rows.length - onlineCount).toLocaleString()} 辆离线`,
      color: rows.length - onlineCount > 0 ? 'orange' as const : 'green' as const
    },
    {
      label: '定位影响',
      value: `${locatedCount.toLocaleString()} 辆`,
      detail: `有效定位率 ${formatPercent(locatedRate)}`,
      color: locatedCount > 0 ? 'blue' as const : 'orange' as const
    },
    {
      label: '服务影响',
      value: `${degradedCount.toLocaleString()} 降级`,
      detail: `${staleCount.toLocaleString()} 辆更新超时`,
      color: degradedCount > 0 || staleCount > 0 ? 'orange' as const : 'green' as const
    },
    {
      label: '地图能力',
      value: amapConfigured ? '可用' : '坐标预览',
      detail: amapConfigured ? '高德地图配置就绪' : '高德未配置，页面降级展示坐标。',
      color: amapConfigured ? 'green' as const : 'orange' as const
    }
  ];
  const copyRealtimeImpact = () => copyText(realtimeImpactReportText({
    filters,
    rows,
    total: pagination.total,
    onlineCount,
    locatedCount,
    degradedCount,
    staleCount,
    pageCoverageRate,
    amapConfigured,
    runtimeRelease: runtime?.platformRelease
  }), '实时运营影响');
  const selectRealtimeRow = (row: VehicleRealtimeRow) => {
    const index = rows.indexOf(row);
    if (index < 0) return;
    setSelectedMapPointId(realtimeMapPointId(row, index));
  };
  const selectRealtimeMapPoint = (point: VehicleMapPoint) => {
    setSelectedMapPointId(point.id);
  };

  return (
    <div className="vp-page">
      <PageHeader title={title} description={description} />
      <Card bordered>
        <Form key={JSON.stringify(filters)} initValues={filters} layout="horizontal" onSubmit={(values) => {
          const nextFilters = values as Record<string, string>;
          applyFilters(nextFilters);
        }} style={{ marginBottom: 12 }}>
          <Form.Input field="keyword" label="车辆关键词" placeholder="VIN / 车牌 / 手机号 / OEM" style={{ width: 260 }} />
          <Form.Select field="protocol" label="数据来源" placeholder="全部来源" style={{ width: 180 }}>
            <Select.Option value="GB32960">GB32960</Select.Option>
            <Select.Option value="JT808">JT808</Select.Option>
            <Select.Option value="YUTONG_MQTT">YUTONG_MQTT</Select.Option>
          </Form.Select>
          <Form.Select field="online" label="在线" placeholder="全部" style={{ width: 130 }}>
            <Select.Option value="online">在线</Select.Option>
            <Select.Option value="offline">离线</Select.Option>
          </Form.Select>
          <Form.Select field="serviceStatus" label="服务状态" placeholder="全部" style={{ width: 150 }}>
            <Select.Option value="healthy">服务正常</Select.Option>
            <Select.Option value="degraded">来源不完整</Select.Option>
            <Select.Option value="offline">车辆离线</Select.Option>
            <Select.Option value="identity_required">身份未绑定</Select.Option>
          </Form.Select>
          <Space>
            <Button htmlType="submit" theme="solid" type="primary">查询</Button>
            <Button onClick={() => {
              applyFilters({});
            }}>重置</Button>
          </Space>
        </Form>
        <div className="vp-table-toolbar">
          <Space wrap>
            <Tag color={autoRefresh ? 'green' : 'grey'}>自动刷新 {refreshIntervalSeconds}秒</Tag>
            <Typography.Text type="secondary">最后刷新：{lastRefreshAt || '等待首次刷新'}</Typography.Text>
            <Button size="small" theme="light" aria-label="刷新实时数据" loading={loading} onClick={() => load(filters, pagination.currentPage, pagination.pageSize)}>
              刷新实时数据
            </Button>
            <Button size="small" theme="light" aria-label={autoRefresh ? '暂停自动刷新' : '开启自动刷新'} onClick={() => setAutoRefresh((value) => !value)}>
              {autoRefresh ? '暂停自动刷新' : '开启自动刷新'}
            </Button>
          </Space>
        </div>
        {filterSummary.length > 0 ? (
          <Card bordered title="当前实时筛选" style={{ marginBottom: 12 }}>
            <Space wrap>
              {filterSummary.map((item) => (
                <Tag key={item} color="blue">{item}</Tag>
              ))}
              <Button size="small" onClick={() => applyFilters({})}>清空筛选</Button>
            </Space>
          </Card>
        ) : null}
        <div className="vp-realtime-command-board">
          <div>
            <div className="vp-current-service-title">实时作业入口</div>
            <div className="vp-realtime-command-grid">
              {[
                { label: '在线车辆', value: onlineCount, color: 'green' as const, action: () => applyFilters({ ...filters, online: 'online' }) },
                { label: '离线车辆', value: rows.length - onlineCount, color: rows.length - onlineCount > 0 ? 'orange' as const : 'green' as const, action: () => applyFilters({ ...filters, online: 'offline' }) },
                { label: '定位有效', value: locatedCount, color: locatedCount > 0 ? 'blue' as const : 'orange' as const },
                { label: '降级服务', value: degradedCount, color: degradedCount > 0 ? 'orange' as const : 'green' as const, action: () => applyFilters({ ...filters, serviceStatus: 'degraded' }) },
                { label: '更新超时', value: staleCount, color: staleCount > 0 ? 'red' as const : 'green' as const },
                { label: '来源类型', value: primaryProtocols.size, color: 'blue' as const }
              ].map((item) => (
                item.action ? (
                  <button
                    key={item.label}
                    className="vp-realtime-command-item"
                    type="button"
                    aria-label={`实时筛选 ${item.label} ${item.value.toLocaleString()}`}
                    onClick={item.action}
                  >
                    <Tag color={item.color}>{item.label}</Tag>
                    <span>{item.value.toLocaleString()}</span>
                  </button>
                ) : (
                  <div key={item.label} className="vp-realtime-command-item">
                    <Tag color={item.color}>{item.label}</Tag>
                    <span>{item.value.toLocaleString()}</span>
                  </div>
                )
              ))}
            </div>
          </div>
          <div>
            <div className="vp-current-service-title">建议处置</div>
            <div className="vp-current-action-list">
              {degradedCount > 0 ? (
                <Button size="small" theme="light" type="warning" onClick={() => applyFilters({ ...filters, serviceStatus: 'degraded' })}>
                  排查降级服务 {degradedCount.toLocaleString()}
                </Button>
              ) : <Tag color="green">服务状态稳定</Tag>}
              {staleCount > 0 ? <Tag color="red">核对超时车辆 {staleCount.toLocaleString()}</Tag> : <Tag color="green">实时新鲜</Tag>}
              {sourceIssueRows.length > 0 && onOpenQuality ? (
                <Button size="small" theme="light" type="warning" onClick={() => onOpenQuality({ serviceStatus: 'degraded' })}>
                  查看质量告警 {sourceIssueRows.length.toLocaleString()}
                </Button>
              ) : null}
            </div>
          </div>
        </div>
        <div className="vp-source-coverage-board">
          <div className="vp-current-service-title">协议地图覆盖</div>
          <div className="vp-source-coverage-grid">
            {sourceCoverageRows.length === 0 ? (
              <Typography.Text type="tertiary">当前页暂无协议来源。</Typography.Text>
            ) : sourceCoverageRows.map((item) => (
              <button
                key={item.protocol}
                type="button"
                className="vp-source-coverage-item"
                aria-label={`筛选协议 ${item.protocol}`}
                onClick={() => applyFilters({ ...filters, protocol: item.protocol })}
              >
                <div className="vp-source-coverage-item-head">
                  <Tag color={item.degraded > 0 ? 'orange' : 'green'}>{item.protocol}</Tag>
                  <span>{item.total.toLocaleString()} 辆</span>
                </div>
                <div className="vp-source-coverage-bars">
                  <span>在线 {item.online.toLocaleString()}</span>
                  <span>定位 {item.located.toLocaleString()}</span>
                  <span>降级 {item.degraded.toLocaleString()}</span>
                  <span>超时 {item.stale.toLocaleString()}</span>
                </div>
              </button>
            ))}
          </div>
        </div>
        <div className="vp-monitor-layout">
          <div className="vp-monitor-map">
            <div className="vp-monitor-map-header">
              <Space wrap>
                <Tag color={amapConfigured ? 'green' : 'orange'}>
                  {amapConfigured ? '高德地图配置就绪' : '高德地图待配置'}
                </Tag>
                <Tag color="blue">{locatedCount.toLocaleString()} 辆有定位</Tag>
                <Tag color="green">{onlineCount.toLocaleString()} 辆在线</Tag>
                <Button size="small" theme="light" icon={<IconCopy />} aria-label="复制实时摘要" onClick={copyRealtimeSummary}>复制实时摘要</Button>
                <Button size="small" theme="light" icon={<IconCopy />} aria-label="复制实时异常处置清单" onClick={copyRealtimeIssueChecklist}>复制异常处置清单</Button>
                <Button size="small" theme="light" icon={<IconCopy />} aria-label="复制实时值班交接包" onClick={copyRealtimeDutyHandoff}>复制值班交接包</Button>
              </Space>
            </div>
            <VehicleMap
              points={mapPoints}
              maxFallbackPoints={80}
              selectedId={selectedMapPointKey}
              onPointSelect={selectRealtimeMapPoint}
              fallbackLabel="高德地图未配置，显示实时坐标预览"
            />
          </div>
          <div className="vp-monitor-side">
            {[
              { label: '当前车辆', value: pagination.total.toLocaleString(), color: 'blue' as const },
              { label: '在线车辆', value: onlineCount.toLocaleString(), color: 'green' as const },
              { label: '定位有效', value: locatedCount.toLocaleString(), color: 'green' as const },
              { label: '超时车辆', value: staleCount.toLocaleString(), color: staleCount > 0 ? 'orange' as const : 'green' as const },
              { label: '降级服务', value: degradedCount.toLocaleString(), color: degradedCount > 0 ? 'orange' as const : 'green' as const },
              { label: '来源类型', value: primaryProtocols.size.toLocaleString(), color: 'blue' as const }
            ].map((item) => (
              <div key={item.label} className="vp-monitor-metric">
                <Tag color={item.color}>{item.label}</Tag>
                <div className="vp-monitor-metric-value">{item.value}</div>
              </div>
            ))}
            <Typography.Text type="secondary">
              高德 Web JS Key 和安全密钥通过运行环境配置，前端只读取公开 Key；安全密钥后续走服务端代理，避免明文下发。
            </Typography.Text>
            {selectedMapRow ? (
              <div className="vp-selected-vehicle-panel">
                <div className="vp-map-service-queue-title">当前选中车辆</div>
                <Space wrap>
                  <Tag color={vehicleServiceStatus(selectedMapRow).color}>{vehicleServiceStatus(selectedMapRow).label}</Tag>
                  <Tag color={dataFreshness(selectedMapRow).color}>{dataFreshness(selectedMapRow).label}</Tag>
                  <Tag color={selectedMapRow.online ? 'green' : 'orange'}>{selectedMapRow.online ? '在线' : '离线'}</Tag>
                  <Tag color="blue">{selectedMapRow.primaryProtocol || '未知来源'}</Tag>
                </Space>
                <Typography.Title heading={6} style={{ margin: '8px 0 0' }}>
                  {selectedMapRow.plate || selectedMapRow.vin}
                </Typography.Title>
                <Typography.Text type="tertiary">{selectedMapRow.vin}</Typography.Text>
                <div className="vp-selected-vehicle-grid">
                  <span>速度</span><strong>{selectedMapRow.speedKmh ?? '-'} km/h</strong>
                  <span>SOC</span><strong>{selectedMapRow.socPercent ?? '-'}%</strong>
                  <span>里程</span><strong>{selectedMapRow.totalMileageKm ?? '-'} km</strong>
                  <span>新鲜度</span><strong>{dataFreshness(selectedMapRow).detail}</strong>
                  <span>最后时间</span><strong>{selectedMapRow.lastSeen || '-'}</strong>
                </div>
                <Space spacing={6} wrap>
                  <Button size="small" onClick={() => onOpenVehicle(selectedMapRow.vin, filters.protocol || selectedMapRow.primaryProtocol)}>查看车辆服务</Button>
                  <Button size="small" onClick={() => onOpenHistory?.(selectedMapRow.vin, filters.protocol || selectedMapRow.primaryProtocol)}>查看轨迹回放</Button>
                  <Button size="small" disabled={!isValidCoordinate(selectedMapRow)} onClick={() => window.open(amapMarkerURL(selectedMapRow), '_blank', 'noopener,noreferrer')}>打开高德坐标</Button>
                </Space>
              </div>
            ) : null}
            <div className="vp-map-integration-panel">
              <div className="vp-map-service-queue-title">地图接入状态</div>
              {mapIntegrationRows.map((item) => (
                <div key={item.label} className="vp-map-integration-row">
                  <div>
                    <Typography.Text strong>{item.label}</Typography.Text>
                    <Typography.Text type="tertiary" size="small">{item.detail}</Typography.Text>
                  </div>
                  <Tag color={item.color}>{item.value}</Tag>
                </div>
              ))}
            </div>
            <div className="vp-source-consistency-panel">
              <div className="vp-map-service-queue-title">多来源一致性检查</div>
              {sourceIssueRows.length === 0 ? (
                <Typography.Text type="tertiary">当前页车辆来源一致</Typography.Text>
              ) : (
                sourceIssueRows.map((row) => {
                  const status = vehicleServiceStatus(row);
                  return (
                    <div key={`${row.vin}-${row.primaryProtocol}-consistency`} className="vp-map-service-item">
                      <div className="vp-map-service-item-main">
                        <div>
                          <Typography.Text strong>{row.plate || row.vin}</Typography.Text>
                          <Typography.Text type="tertiary" size="small">{row.vin}</Typography.Text>
                        </div>
                        <Tag color={status.color}>{status.label}</Tag>
                      </div>
                      <Space spacing={4} wrap>
                        <Tag color="blue">{sourceEvidenceText(row)}</Tag>
                        <Tag color={dataFreshness(row).color}>{dataFreshness(row).label}</Tag>
                        {sourceIssueTags(row).map((item) => (
                          <Tag key={item} color="orange">一致性：{item}</Tag>
                        ))}
                      </Space>
                      <Typography.Text type="secondary" size="small">
                        一致性诊断：{row.serviceStatus?.detail || sourceEvidenceText(row)}
                      </Typography.Text>
                      <div className="vp-map-service-item-footer">
                        <Typography.Text type="tertiary" size="small">{row.lastSeen || '-'}</Typography.Text>
                        <Space spacing={4} wrap>
                          <Button size="small" disabled={!onOpenQuality} onClick={() => openQualityEvidence(row)}>检查质量</Button>
                          <Button size="small" onClick={() => onOpenVehicle(row.vin, filters.protocol || row.primaryProtocol)}>查看服务</Button>
                        </Space>
                      </div>
                    </div>
                  );
                })
              )}
            </div>
            <div className="vp-map-service-queue">
              <div className="vp-map-service-queue-title">地图车辆服务队列</div>
              {mapServiceRows.length === 0 ? (
                <Typography.Text type="tertiary">暂无可定位车辆</Typography.Text>
              ) : (
                mapServiceRows.map((row) => {
                  const status = vehicleServiceStatus(row);
                  return (
                    <div
                      key={`${row.vin}-${row.primaryProtocol}`}
                      role="button"
                      tabIndex={0}
                      className={`vp-map-service-item vp-map-service-item-button ${selectedMapRow?.vin === row.vin ? 'vp-map-service-item-selected' : ''}`}
                      onClick={() => selectRealtimeRow(row)}
                      onKeyDown={(event) => {
                        if (event.key === 'Enter' || event.key === ' ') {
                          event.preventDefault();
                          selectRealtimeRow(row);
                        }
                      }}
                    >
                      <div className="vp-map-service-item-main">
                        <div>
                          <Typography.Text strong>{row.plate || row.vin}</Typography.Text>
                          <Typography.Text type="tertiary" size="small">{row.vin}</Typography.Text>
                        </div>
                        <Space spacing={4} wrap>
                          <Tag color={dataFreshness(row).color}>{dataFreshness(row).label}</Tag>
                          <Tag color={status.color}>{status.label}</Tag>
                        </Space>
                      </div>
                      <Typography.Text type="secondary" size="small">
                        {row.serviceStatus?.detail || sourceEvidenceText(row)}
                      </Typography.Text>
                      <Typography.Text type="tertiary" size="small">
                        新鲜度：{dataFreshness(row).detail}
                      </Typography.Text>
                      <div className="vp-map-service-item-footer">
                        <Typography.Text type="tertiary" size="small">{row.lastSeen || '-'}</Typography.Text>
                        <Space spacing={4} wrap>
                          <Button size="small" onClick={() => window.open(amapMarkerURL(row), '_blank', 'noopener,noreferrer')}>高德坐标</Button>
                          <Button size="small" onClick={() => onOpenHistory?.(row.vin, filters.protocol || row.primaryProtocol)}>轨迹回放</Button>
                          <Button size="small" disabled={!onOpenQuality} onClick={() => openQualityEvidence(row)}>质量问题</Button>
                          <Button size="small" onClick={() => onOpenVehicle(row.vin, filters.protocol || row.primaryProtocol)}>地图车辆服务</Button>
                        </Space>
                      </div>
                    </div>
                  );
                })
              )}
            </div>
          </div>
        </div>
        <Card
          bordered
          title={<Space><span>实时运营影响</span><Button size="small" icon={<IconCopy />} onClick={copyRealtimeImpact}>复制影响报告</Button></Space>}
          style={{ marginBottom: 16 }}
        >
          <div className="vp-realtime-impact-board">
            <div className="vp-realtime-impact-summary">
              <Tag color={realtimeImpactColor}>{realtimeImpactLevel}</Tag>
              <div className="vp-monitor-metric-value">{pagination.total.toLocaleString()} 辆</div>
              <Typography.Text type="secondary">
                当前页 {rows.length.toLocaleString()} 辆，在线 {onlineCount.toLocaleString()} 辆，定位有效 {locatedCount.toLocaleString()} 辆，降级 {degradedCount.toLocaleString()} 辆，超时 {staleCount.toLocaleString()} 辆。
              </Typography.Text>
              <Space wrap>
                <Tag color={pageCoverageRate >= 100 ? 'green' : 'grey'}>覆盖 {formatPercent(pageCoverageRate)}</Tag>
                <Tag color={amapConfigured ? 'green' : 'orange'}>{amapConfigured ? '高德可用' : '坐标预览'}</Tag>
                <Tag color={rows.length - onlineCount > 0 ? 'orange' : 'green'}>{(rows.length - onlineCount).toLocaleString()} 辆离线</Tag>
              </Space>
            </div>
            <div className="vp-realtime-impact-grid">
              {realtimeImpactItems.map((item) => (
                <div key={item.label} className="vp-realtime-impact-item">
                  <Tag color={item.color}>{item.label}</Tag>
                  <strong>{item.value}</strong>
                  <Typography.Text type="secondary">{item.detail}</Typography.Text>
                </div>
              ))}
            </div>
          </div>
        </Card>
        <Card bordered title="实时覆盖判读" style={{ marginBottom: 16 }}>
          <div className="vp-stat-insight-grid">
            {[
              { label: '在线率', value: formatPercent(onlineRate), color: onlineRate >= 80 ? 'green' as const : 'orange' as const, detail: `${onlineCount.toLocaleString()} / ${rows.length.toLocaleString()} 辆在线。` },
              { label: '定位有效率', value: formatPercent(locatedRate), color: locatedRate >= 80 ? 'green' as const : 'orange' as const, detail: `${locatedCount.toLocaleString()} / ${rows.length.toLocaleString()} 辆坐标有效。` },
              { label: '新鲜数据', value: `${(rows.length - staleCount).toLocaleString()} 辆`, color: staleCount > 0 ? 'orange' as const : 'green' as const, detail: `${staleCount.toLocaleString()} 辆超过 5 分钟未更新。` },
              { label: '降级率', value: formatPercent(degradedRate), color: degradedCount > 0 ? 'orange' as const : 'green' as const, detail: `${degradedCount.toLocaleString()} 辆存在来源不完整或离线。` },
              { label: '分页覆盖率', value: formatPercent(pageCoverageRate), color: pageCoverageRate >= 100 ? 'green' as const : 'grey' as const, detail: '当前页车辆数 / 当前筛选总车辆数。' }
            ].map((item) => (
              <Card key={item.label} bordered>
                <Tag color={item.color}>{item.label}</Tag>
                <div className="vp-monitor-metric-value">{item.value}</div>
                <Typography.Text type="secondary">{item.detail}</Typography.Text>
              </Card>
            ))}
          </div>
        </Card>
        <Tabs type="line">
          <Tabs.TabPane tab="表格视图" itemKey="table">
            <div className="vp-table-toolbar">
              <Space wrap>
                <Tag color="blue">当前页 {rows.length.toLocaleString()} 条</Tag>
                <Button size="small" onClick={exportRealtime}>导出实时当前页 CSV</Button>
              </Space>
            </div>
            {rows.length === 0 && !loading ? (
              <DataEmpty />
            ) : (
              <Table
                loading={loading}
                rowKey="vin"
                dataSource={rows}
                pagination={{
                  currentPage: pagination.currentPage,
                  pageSize: pagination.pageSize,
                  total: pagination.total,
                  showSizeChanger: true,
                  onPageChange: (page) => load(filters, page, pagination.pageSize),
                  onPageSizeChange: (pageSize) => load(filters, 1, pageSize)
                }}
                columns={[
                  { title: '车牌', dataIndex: 'plate', width: 120 },
                  { title: 'VIN', dataIndex: 'vin', width: 190 },
                  {
                    title: '车辆服务状态',
                    width: 130,
                    render: (_: unknown, row: VehicleRealtimeRow) => {
                      const status = vehicleServiceStatus(row);
                      return <Tag color={status.color}>{status.label}</Tag>;
                    }
                  },
                  {
                    title: '数据新鲜度',
                    width: 130,
                    render: (_: unknown, row: VehicleRealtimeRow) => {
                      const freshness = dataFreshness(row);
                      return <Tag color={freshness.color}>{freshness.label}</Tag>;
                    }
                  },
                  {
                    title: '车辆核心数据',
                    width: 230,
                    render: (_: unknown, row: VehicleRealtimeRow) => (
                      <Space spacing={4} wrap>
                        <Tag color="blue">{row.speedKmh ?? '-'} km/h</Tag>
                        <Tag color="green">SOC {row.socPercent ?? '-'}%</Tag>
                        <Typography.Text type="tertiary">{row.totalMileageKm ?? '-'} km</Typography.Text>
                      </Space>
                    )
                  },
                  {
                    title: '来源证据',
                    width: 260,
                    render: (_: unknown, row: VehicleRealtimeRow) => (
                      <SourceStatusTags sourceStatus={row.sourceStatus} protocols={row.protocols} lastSeen={row.lastSeen} />
                    )
                  },
                  { title: '证据覆盖', width: 120, render: (_: unknown, row: VehicleRealtimeRow) => sourceEvidenceText(row) },
                  { title: '在线', width: 90, render: (_: unknown, row: VehicleRealtimeRow) => <StatusTag status={row.online ? 'ok' : 'offline'} /> },
                  { title: '最后时间', dataIndex: 'lastSeen', width: 170 },
                  {
                    title: '操作',
                    width: 190,
                    render: (_: unknown, row: VehicleRealtimeRow) => (
                      <Space spacing={4} wrap>
                        <Button disabled={!isValidCoordinate(row)} onClick={() => selectRealtimeRow(row)}>地图定位</Button>
                        <Button disabled={!canOpenVehicle(row.vin)} onClick={() => onOpenVehicle(row.vin, filters.protocol || row.primaryProtocol)}>车辆服务</Button>
                        <Button disabled={!canOpenVehicle(row.vin) || !onOpenQuality} onClick={() => openQualityEvidence(row)}>质量问题</Button>
                      </Space>
                    )
                  }
                ]}
              />
            )}
          </Tabs.TabPane>
          <Tabs.TabPane tab="地图视图" itemKey="map">
            <VehicleMap
              points={mapPoints}
              heightClassName=""
              selectedId={selectedMapPointKey}
              onPointSelect={selectRealtimeMapPoint}
              fallbackLabel="高德地图未配置，显示实时坐标预览"
            />
          </Tabs.TabPane>
        </Tabs>
      </Card>
    </div>
  );
}