import { IconChevronRight, IconClose, IconDownload, IconRefresh, IconSave, IconSearch, IconSetting } from '@douyinfe/semi-icons';
import { Button, Card, CardGroup, Collapse, Descriptions, Empty, Input, Select, SideSheet, Spin, Table, Tag, Typography } from '@douyinfe/semi-ui';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { FormEvent, useEffect, useMemo, useState } from 'react';
import { Link, useSearchParams } from 'react-router-dom';
import { api } from '../../api/client';
import type { AccessProtocolStatus, AccessQuery, AccessSummary, AccessThresholdConfig, AccessThresholdUpdate, AccessUnresolvedIdentity, AccessVehicleRow, Page } from '../../api/types';
import { accessRowsToCSV, formatAccessTime, formatSeconds, updateProtocolThreshold } from '../domain/access';
import { InlineError, PanelEmpty, PanelLoading } from '../shared/AsyncState';
import { MetricActionButton } from '../shared/MetricActionButton';
import { TablePagination } from '../shared/TablePagination';
import { WorkspaceCommandBar } from '../shared/WorkspaceCommandBar';
import { WorkspaceFilterPanel } from '../shared/WorkspaceFilterPanel';
import { WorkspacePanelHeader } from '../shared/WorkspacePanelHeader';
import { detailTriggerRow } from '../shared/detailTriggerRow';
import { usePlatformSession } from '../auth/AuthGate';
import { canAdminister } from '../auth/session';
import { QUERY_MEMORY, queryScopeKey, retainPreviousPageWithinScope } from '../queryPolicy';
import { downloadBlob } from '../domain/download';
import { useMobileLayout } from '../hooks/useMobileLayout';
import { useSideSheetA11y } from '../hooks/useSideSheetA11y';

const PROTOCOLS = ['GB32960', 'JT808', 'YUTONG_MQTT'] as const;
const compactAccessTimeFormatter = new Intl.DateTimeFormat('zh-CN', { month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', hour12: false });
const EMPTY_FILTERS = { keyword: '', protocol: '', oem: '', connectionState: '', onlineState: '', model: '', provider: '', firstSeenFrom: '', firstSeenTo: '', latestSeenFrom: '', latestSeenTo: '', delayState: '' };
type Filters = typeof EMPTY_FILTERS;

const connectionLabels: Record<AccessVehicleRow['connectionState'], string> = {
  healthy: '已接来源正常', degraded: '部分来源异常', incomplete: '资料待维护', offline: '已接来源离线', not_connected: '尚无来源'
};

function statusByProtocol(row: AccessVehicleRow, protocol: string) {
  return row.protocolStatuses.find((item) => item.protocol === protocol);
}

function compactTime(value: string) {
  if (!value) return '—';
  const parsed = new Date(value);
  if (Number.isNaN(parsed.getTime())) return '—';
  return compactAccessTimeFormatter.format(parsed).replace(/\//g, '-');
}

function ProtocolState({ status, detailed = false, protocolLabel }: { status?: AccessProtocolStatus; detailed?: boolean; protocolLabel?: string }) {
  const state = !status?.connected ? 'missing' : status.onlineState;
  const label = state === 'missing' ? '无来源' : state === 'online' ? '在线' : state === 'offline' ? '离线' : state === 'unknown' ? '未知' : '从未上报';
  const color = state === 'online' ? 'green' : state === 'offline' || state === 'unknown' ? 'orange' : 'grey';
  if (detailed) {
    return <Card
      className={`v2-access-protocol-detail is-${state}`}
      title={<strong>{status?.protocol}</strong>}
      headerExtraContent={<Tag className={`v2-access-protocol-tag is-${state}`} color={color} type="light" size="small"><i />{label}</Tag>}
      headerLine
      bodyStyle={{ padding: 0 }}
    >
      <Descriptions className="v2-access-protocol-descriptions" align="left" size="small" data={[
        { key: '接入厂家', value: status?.provider || '—' },
        { key: '首次接入', value: formatAccessTime(status?.firstSeenAt || '') },
        { key: '最新上报', value: formatAccessTime(status?.latestReceivedAt || '') },
        { key: '当前离线', value: formatSeconds(status?.freshnessSec) },
        { key: '上报间隔', value: formatSeconds(status?.reportIntervalSec) },
        { key: '数据延迟', value: <Typography.Text type={status?.delayAbnormal ? 'danger' : 'primary'}>{formatSeconds(status?.dataDelaySec)}</Typography.Text> }
      ]} />
      <p className="v2-access-protocol-evidence" title={status?.firstSeenEvidence || '当前未发现该协议来源'}>
        {status?.firstSeenEvidence || '当前未发现该协议来源'}
      </p>
    </Card>;
  }
  return <div className={`v2-access-protocol-cell is-${state}`} title={status?.latestReceivedAt ? `最新上报：${formatAccessTime(status.latestReceivedAt)}` : '当前未发现该协议来源'}>
    {protocolLabel ? <b className="v2-access-protocol-label">{protocolLabel}</b> : null}
    <span><i />{label}</span>
    <strong>{status?.connected ? compactTime(status.latestReceivedAt) : '—'}</strong>
    <small>{status?.provider || (status?.connected ? '接入方未维护' : '未发现来源')}</small>
  </div>;
}

function ConnectionState({ row }: { row: AccessVehicleRow }) {
  const color = row.connectionState === 'healthy' ? 'green' : row.connectionState === 'not_connected' || row.connectionState === 'offline' ? 'red' : 'orange';
  return <div className={`v2-access-connection is-${row.connectionState}`}><Tag className="v2-access-connection-tag" color={color} type="light" size="small">{connectionLabels[row.connectionState]}</Tag><span>{row.actualProtocols.length} 个真实来源</span></div>;
}

function ProtocolCoverage({ summary }: { summary?: AccessSummary }) {
  return <div className="v2-access-protocol-coverage" aria-label="真实协议来源概览">
    {PROTOCOLS.map((protocol) => {
      const actual = summary?.protocols.find((item) => item.name === protocol);
      return <span key={protocol}><b>{protocol}</b><em>{(actual?.total ?? 0).toLocaleString('zh-CN')} 辆</em></span>;
    })}
  </div>;
}

function AccessVehicleTable({ rows, selectedVIN, onSelect }: { rows: AccessVehicleRow[]; selectedVIN: string; onSelect: (vin: string) => void }) {
  const columns = useMemo(() => [
    {
      title: '车辆', dataIndex: 'plate', width: 165,
      render: (_: string, row: AccessVehicleRow) => <div className="v2-access-primary-cell"><strong>{row.plate || '未绑定车牌'}</strong><span>{row.vin}</span></div>
    },
    {
      title: '品牌 / 车型', dataIndex: 'oem', width: 140,
      render: (_: string, row: AccessVehicleRow) => <div className="v2-access-primary-cell"><strong>{row.oem || '品牌未维护'}</strong><span>{row.model || row.company || '车型未维护'}</span></div>
    },
    {
      title: '真实来源', dataIndex: 'actualProtocols', width: 115,
      render: (_: string[], row: AccessVehicleRow) => <div className="v2-access-source-cell"><b>{row.actualProtocols.length} 个</b><span>{row.actualProtocols.join(' / ') || '尚无来源'}</span></div>
    },
    ...PROTOCOLS.map((protocol) => ({
      title: protocol, dataIndex: protocol, width: 160,
      render: (_: unknown, row: AccessVehicleRow) => <ProtocolState status={statusByProtocol(row, protocol)} />
    })),
    {
      title: '综合状态', dataIndex: 'connectionState', width: 120,
      render: (_: AccessVehicleRow['connectionState'], row: AccessVehicleRow) => <ConnectionState row={row} />
    }
  ], []);

  return <Table
    className="v2-access-semi-table"
    columns={columns}
    dataSource={rows}
    rowKey="vin"
    pagination={false}
    empty={null}
    onRow={(row) => row ? detailTriggerRow({
      className: selectedVIN === row.vin ? 'is-selected' : '',
      expanded: selectedVIN === row.vin,
      label: `查看 ${row.plate || row.vin} 接入详情`,
      testId: `access-row-${row.vin}`,
      onOpen: () => onSelect(row.vin)
    }) : ({})}
  />;
}

function VehicleInspector({ row, onClose, sheet = false }: { row: AccessVehicleRow; onClose: () => void; sheet?: boolean }) {
  return <Card className={`v2-access-inspector-v3${sheet ? ' is-sheet' : ''}`} bodyStyle={{ padding: 0 }}>
    <WorkspacePanelHeader className="v2-access-inspector-header" title={row.plate || '未绑定车牌'} description={row.vin} actions={sheet ? undefined : <Button theme="borderless" icon={<IconClose />} onClick={onClose} aria-label="关闭车辆接入详情" />} />
    <Descriptions className="v2-access-inspector-summary" align="left" size="small" data={[
      { key: '品牌 / 车型', value: [row.oem, row.model].filter(Boolean).join(' / ') || '未维护' },
      { key: '真实接入来源', value: row.actualProtocols.length ? row.actualProtocols.join(' / ') : '尚无来源' },
      { key: '资料状态', value: row.masterDataIssues.length ? row.masterDataIssues.join('；') : '已维护' },
      { key: '综合状态', value: <ConnectionState row={row} /> }
    ]} />
    <CardGroup className="v2-access-protocol-details" type="grid" spacing={0}>{PROTOCOLS.map((protocol) => <ProtocolState key={protocol} status={statusByProtocol(row, protocol)} detailed />)}</CardGroup>
    <footer><span>{row.expectationEvidence}</span><Link to={`/vehicles/${encodeURIComponent(row.vin)}`}>查看车辆详情</Link></footer>
  </Card>;
}

function IdentityQueue({ items, total }: { items: AccessUnresolvedIdentity[]; total: number }) {
  if (!total) return null;
  return <Collapse id="access-identity-queue" className="v2-access-identity-queue-v3" keepDOM>
    <Collapse.Panel itemKey="unresolved-identities" header={<span className="v2-access-collapse-title"><span><strong>来源身份待绑定</strong><small>这些来源不计入主车辆，绑定权威 VIN 后再归档</small></span><Tag color="orange" type="light" size="small">{total.toLocaleString('zh-CN')} 条</Tag></span>}>
      <div className="v2-access-identity-grid">{items.slice(0, 6).map((item) => <Card key={item.id} className="v2-access-identity-card" bodyStyle={{ padding: 0 }}>
        <header><b>{item.identifierMasked}</b><Tag color="blue" type="light" size="small">{item.protocol}</Tag></header>
        <span>{item.plate || '车牌待核对'} · {formatAccessTime(item.latestSeenAt)}</span>
        <small>{item.recommendedAction}</small>
      </Card>)}</div>
    </Collapse.Panel>
  </Collapse>;
}

function ThresholdSettings({ config, draft, editable, saving, error, onChange, onSave }: { config?: AccessThresholdConfig; draft?: AccessThresholdUpdate; editable: boolean; saving: boolean; error?: string; onChange: (next: AccessThresholdUpdate) => void; onSave: () => void }) {
  if (!draft) return null;
  return <Collapse className="v2-access-settings" keepDOM>
    <Collapse.Panel itemKey="access-thresholds" header={<span className="v2-access-collapse-title"><span><strong>在线判定阈值</strong><small>统一控制来源在线、长离线和协议新鲜度判定</small></span><Tag color="blue" type="light" size="small">v{config?.version ?? '—'}</Tag></span>}>
      <fieldset disabled={!editable}><label><span>全局默认</span><Input suffix="秒" type="number" value={String(draft.defaultThresholdSec)} onChange={(value) => onChange({ ...draft, defaultThresholdSec: Number(value) })} /></label><label><span>长离线</span><Input suffix="秒" type="number" value={String(draft.longOfflineSec)} onChange={(value) => onChange({ ...draft, longOfflineSec: Number(value) })} /></label>{PROTOCOLS.map((protocol) => <label key={protocol}><span>{protocol}</span><Input suffix="秒" type="number" value={String(draft.protocols.find((item) => item.protocol === protocol)?.thresholdSec ?? draft.defaultThresholdSec)} onChange={(value) => onChange({ ...draft, protocols: updateProtocolThreshold(draft.protocols, protocol, Number(value)) })} /></label>)}{error ? <p>{error}</p> : null}{editable ? <Button theme="solid" icon={<IconSave />} onClick={onSave} disabled={saving}>{saving ? '保存中' : '保存阈值'}</Button> : <small>当前账户为只读角色</small>}</fieldset>
    </Collapse.Panel>
  </Collapse>;
}

function downloadRows(rows: AccessVehicleRow[]) {
  const blob = new Blob([accessRowsToCSV(rows)], { type: 'text/csv;charset=utf-8' });
  downloadBlob(blob, `vehicle-access-${new Date().toISOString().slice(0, 10)}.csv`);
}

export default function AccessPage() {
  const { session } = usePlatformSession(); const editable = canAdminister(session);
  const [searchParams, setSearchParams] = useSearchParams();
  const initial = Object.fromEntries(Object.keys(EMPTY_FILTERS).map((key) => [key, searchParams.get(key) ?? ''])) as Filters;
  const [draft, setDraft] = useState(initial); const [criteria, setCriteria] = useState(initial);
  const [filtersCollapsed, setFiltersCollapsed] = useState(true);
  const mobileLayout = useMobileLayout();
  const [offset, setOffset] = useState(0); const [limit, setLimit] = useState(() => mobileLayout ? 20 : 50); const [selectedVIN, setSelectedVIN] = useState('');
  const [governanceOpen, setGovernanceOpen] = useState(false);
  const [thresholdDraft, setThresholdDraft] = useState<AccessThresholdUpdate>(); const queryClient = useQueryClient();
  const baseQuery = useMemo(() => Object.fromEntries(Object.entries(criteria).filter(([, value]) => value)) as AccessQuery, [criteria]);
  const vehicleScope = useMemo(() => queryScopeKey(baseQuery), [baseQuery]);
  const summaryQuery = useQuery({ queryKey: ['access-summary'], queryFn: ({ signal }) => api.accessSummary({}, signal), staleTime: 15_000, gcTime: QUERY_MEMORY.summaryGcTime });
  const vehiclesQuery = useQuery<Page<AccessVehicleRow>>({ queryKey: ['access-vehicles', vehicleScope, limit, offset], queryFn: ({ signal }) => api.accessVehicles({ ...baseQuery, limit, offset }, signal), placeholderData: retainPreviousPageWithinScope<Page<AccessVehicleRow>>(vehicleScope), gcTime: QUERY_MEMORY.highVolumeGcTime });
  const unresolvedQuery = useQuery({ queryKey: ['access-unresolved-identities', criteria.keyword, criteria.protocol], queryFn: ({ signal }) => api.accessUnresolvedIdentities({ keyword: criteria.keyword || undefined, protocol: criteria.protocol || undefined, limit: 20, offset: 0 }, signal), enabled: editable, staleTime: 15_000, gcTime: QUERY_MEMORY.summaryGcTime });
  const thresholdQuery = useQuery({ queryKey: ['access-thresholds'], queryFn: ({ signal }) => api.accessThresholds(signal), enabled: editable, staleTime: 60_000, gcTime: QUERY_MEMORY.summaryGcTime });
  useEffect(() => { if (thresholdQuery.data && !thresholdDraft) setThresholdDraft({ version: thresholdQuery.data.version, defaultThresholdSec: thresholdQuery.data.defaultThresholdSec, delayThresholdSec: thresholdQuery.data.delayThresholdSec, longOfflineSec: thresholdQuery.data.longOfflineSec, protocols: thresholdQuery.data.protocols }); }, [thresholdDraft, thresholdQuery.data]);
  const updateThreshold = useMutation({ mutationFn: api.updateAccessThresholds, onSuccess: async (config) => { setThresholdDraft({ version: config.version, defaultThresholdSec: config.defaultThresholdSec, delayThresholdSec: config.delayThresholdSec, longOfflineSec: config.longOfflineSec, protocols: config.protocols }); await Promise.all([queryClient.invalidateQueries({ queryKey: ['access-summary'] }), queryClient.invalidateQueries({ queryKey: ['access-vehicles'] })]); } });
  useEffect(() => {
    if (!mobileLayout) return;
    setLimit(20);
    setOffset(0);
  }, [mobileLayout]);
  const rows = vehiclesQuery.data?.items ?? []; const selected = rows.find((row) => row.vin === selectedVIN);
  useSideSheetA11y(mobileLayout && Boolean(selected), '.v2-access-detail-sidesheet', 'v2-access-detail', '车辆接入详情', '关闭车辆接入详情');
  useSideSheetA11y(editable && governanceOpen, '.v2-access-governance-sidesheet', 'v2-access-governance', '接入治理配置', '关闭接入治理配置');
  const syncURL = (filters: Filters) => { const next = new URLSearchParams(); Object.entries(filters).forEach(([key, value]) => { if (value) next.set(key, value); }); setSearchParams(next, { replace: true }); };
  const apply = (next: Filters) => { setDraft(next); setCriteria(next); setOffset(0); setSelectedVIN(''); syncURL(next); };
  const submit = (event: FormEvent) => { event.preventDefault(); apply(draft); setFiltersCollapsed(true); };
  const page = Math.floor(offset / limit) + 1; const totalPages = Math.max(1, Math.ceil((vehiclesQuery.data?.total ?? 0) / limit)); const summary = summaryQuery.data;
  const refresh = () => Promise.all([summaryQuery.refetch(), vehiclesQuery.refetch(), ...(editable ? [unresolvedQuery.refetch(), thresholdQuery.refetch()] : [])]);

  return <div className="v2-access-page v2-access-page-v3">
    <WorkspaceCommandBar
      className="v2-access-command-bar"
      ariaLabel="接入管理操作"
      title="真实来源与接入健康"
      description="核对车辆真实存在的数据来源、在线健康和待维护资料，不对尚未接入的业务协议作推断。"
      status={summary ? `${summary.totalVehicles.toLocaleString('zh-CN')} 辆主车辆` : '正在读取车辆'}
      meta={<Typography.Text type="tertiary">数据时间 {summary?.asOf ? formatAccessTime(summary.asOf) : '—'}</Typography.Text>}
      actions={<>{editable ? <Button theme="light" icon={<IconSetting />} aria-haspopup="dialog" aria-controls="v2-access-governance" aria-expanded={governanceOpen} onClick={() => setGovernanceOpen(true)}>接入治理{unresolvedQuery.data?.total ? ` · ${unresolvedQuery.data.total}` : ''}</Button> : null}<Button theme="light" icon={<IconRefresh />} onClick={() => void refresh()}>刷新</Button></>}
    />
    <WorkspaceFilterPanel
      className="v2-access-filter-card-v3"
      title="接入筛选"
      description="车辆、接入状态、真实协议与品牌"
      mobileSummary={Object.values(criteria).filter(Boolean).length ? `已启用 ${Object.values(criteria).filter(Boolean).length} 项` : '全部主车辆'}
      expanded={!filtersCollapsed}
      status={Object.values(criteria).filter(Boolean).length ? `${Object.values(criteria).filter(Boolean).length} 项已启用` : '全部主车辆'}
      statusColor={Object.values(criteria).filter(Boolean).length ? 'blue' : 'grey'}
      onToggle={() => setFiltersCollapsed((value) => !value)}
    >
    <form className="v2-access-filter-v3" onSubmit={submit}>
      <label className="is-search"><span>车辆</span><Input aria-label="车辆" prefix={<IconSearch />} value={draft.keyword} onChange={(value) => setDraft({ ...draft, keyword: value })} placeholder="车牌 / VIN" /></label>
      <label><span id="access-connection-label">接入状态</span><Select aria-labelledby="access-connection-label" value={draft.connectionState} onChange={(value) => setDraft({ ...draft, connectionState: String(value) })} optionList={[{ value: '', label: '全部状态' }, { value: 'attention', label: '需关注' }, { value: 'healthy', label: '已接来源正常' }, { value: 'master_data', label: '资料待维护' }, { value: 'degraded', label: '部分来源异常' }, { value: 'offline', label: '已接来源离线' }, { value: 'not_connected', label: '尚无来源' }]} /></label>
      <label><span id="access-protocol-label">真实协议</span><Select aria-labelledby="access-protocol-label" value={draft.protocol} onChange={(value) => setDraft({ ...draft, protocol: String(value) })} optionList={[{ value: '', label: '全部协议' }, ...PROTOCOLS.map((item) => ({ value: item, label: item }))]} /></label>
      <label><span id="access-oem-label">车辆品牌</span><Select aria-labelledby="access-oem-label" value={draft.oem} onChange={(value) => setDraft({ ...draft, oem: String(value) })} optionList={[{ value: '', label: '全部品牌' }, ...(summary?.oems.map((item) => ({ value: item.name, label: item.name })) ?? [])]} /></label>
      <div className="v2-access-filter-actions">
        <Button className="v2-primary-button" theme="solid" htmlType="submit">查询</Button>
        <Button className="v2-secondary-button" theme="light" htmlType="button" onClick={() => apply(EMPTY_FILTERS)}>重置</Button>
      </div>
    </form></WorkspaceFilterPanel>
    {summaryQuery.isError ? <InlineError message={summaryQuery.error instanceof Error ? summaryQuery.error.message : '接入汇总读取失败'} onRetry={() => summaryQuery.refetch()} /> : null}
    <Card className="v2-access-kpis-card-v3" bodyStyle={{ padding: 0 }}><section className="v2-access-kpis-v3">{[
      { label: '主车辆', value: summary?.totalVehicles ?? 0, tone: 'all', connectionState: '', hint: '车辆主档' },
      { label: '需关注', value: Math.max(0, (summary?.totalVehicles ?? 0) - (summary?.healthyVehicles ?? 0)), tone: 'attention', connectionState: 'attention' },
      { label: '资料待维护', value: summary?.masterDataIncompleteVehicles ?? 0, tone: 'incomplete', connectionState: 'master_data' },
      { label: '尚无来源', value: summary?.neverReported ?? 0, tone: 'never', connectionState: 'not_connected' }
    ].map((item) => {
      const value = Number(item.value).toLocaleString('zh-CN');
      return <MetricActionButton key={item.label} label={item.label} value={value} hint={item.hint} tone={item.tone} active={criteria.connectionState === item.connectionState} ariaLabel={`筛选${item.label}，共 ${value} 辆`} onClick={() => apply({ ...criteria, connectionState: item.connectionState })} />;
    })}</section></Card>
    {vehiclesQuery.isError ? <InlineError message={vehiclesQuery.error instanceof Error ? vehiclesQuery.error.message : '接入车辆读取失败'} onRetry={() => vehiclesQuery.refetch()} /> : null}
    <div className={`v2-access-workspace-v3 ${selected && !mobileLayout ? 'is-inspector-open' : ''}`}>
      <Card className="v2-access-table-v3" bodyStyle={{ padding: 0 }}>
        <WorkspacePanelHeader
          title="车辆真实接入来源"
          description="缺席协议只表示“当前未发现”，不会被推断成应接缺失；时间为各来源最后接收时间"
          actionsClassName="v2-access-table-actions"
          actions={<><ProtocolCoverage summary={summary} /><Button theme="light" icon={<IconDownload />} onClick={() => downloadRows(rows)} disabled={!rows.length}>导出当前页</Button></>}
        />
        <div
          className={`v2-access-table-scroll-v3${mobileLayout ? ' is-mobile-scroll' : ''}`}
          tabIndex={mobileLayout ? 0 : undefined}
          aria-label={mobileLayout ? '车辆接入列表，可上下滚动' : undefined}
        >
          {mobileLayout
            ? <div className="v2-access-mobile-list">{rows.map((row) => <Card key={row.vin} className={`v2-access-mobile-card${selected?.vin === row.vin ? ' is-selected' : ''}`} bodyStyle={{ padding: 0 }}><Button theme="borderless" type="tertiary" aria-pressed={selected?.vin === row.vin} aria-expanded={selected?.vin === row.vin} aria-label={`查看 ${row.plate || row.vin} 接入详情`} className="v2-access-mobile-action" onClick={() => setSelectedVIN(row.vin)}><span className="v2-access-mobile-card-content"><header><span><strong>{row.plate || '未绑定车牌'}</strong><small>{row.vin}</small></span><ConnectionState row={row} /></header><p>{row.oem || '品牌未维护'} · {row.model || row.company || '车型未维护'}</p><span className="v2-access-mobile-protocols">{PROTOCOLS.map((protocol) => <ProtocolState key={protocol} protocolLabel={protocol} status={statusByProtocol(row, protocol)} />)}</span><footer>查看接入详情<IconChevronRight /></footer></span></Button></Card>)}</div>
            : <AccessVehicleTable rows={rows} selectedVIN={selectedVIN} onSelect={setSelectedVIN} />}
          {vehiclesQuery.isFetching ? <PanelLoading className="v2-access-loading" title="正在更新车辆接入状态…" description="当前列表返回后会自动替换。" compact={Boolean(rows.length)} /> : null}
          {!vehiclesQuery.isFetching && !rows.length ? <PanelEmpty className="v2-access-empty" title="没有匹配车辆" description="调整车牌、协议或接入状态筛选后重试。" /> : null}
        </div>
        <footer><TablePagination page={page} totalPages={totalPages} info={`共 ${(vehiclesQuery.data?.total ?? 0).toLocaleString('zh-CN')} 辆主车辆`} onPageChange={(next) => setOffset((next - 1) * limit)} pageSize={limit} pageSizeLabel="每页车辆数" onPageSizeChange={(next) => { setLimit(next); setOffset(0); }} pageSizeOptions={[{ value: 20, label: '20 辆/页' }, { value: 50, label: '50 辆/页' }, { value: 100, label: '100 辆/页' }]} /></footer>
      </Card>
      {!mobileLayout && selected ? <VehicleInspector row={selected} onClose={() => setSelectedVIN('')} /> : null}
    </div>
    <SideSheet
      className="v2-access-detail-sidesheet"
      visible={mobileLayout && Boolean(selected)}
      aria-label="车辆接入详情"
      width="100%"
      title={<div className="v2-access-sheet-title"><strong>车辆接入详情</strong><span>{selected ? `${selected.plate || '未绑定车牌'} · ${selected.vin}` : '来源、在线状态与接入证据'}</span></div>}
      onCancel={() => setSelectedVIN('')}
    >
      {mobileLayout && selected ? <VehicleInspector row={selected} onClose={() => setSelectedVIN('')} sheet /> : null}
    </SideSheet>
    {editable ? <SideSheet
      className="v2-access-governance-sidesheet"
      visible={governanceOpen}
      aria-label="接入治理配置"
      width={560}
      title={<div className="v2-access-sheet-title"><strong>接入治理</strong><span>集中处理待绑定来源与在线判定阈值</span></div>}
      onCancel={() => setGovernanceOpen(false)}
      footer={<Button theme="solid" onClick={() => setGovernanceOpen(false)}>完成</Button>}
    >
      {governanceOpen ? <div className="v2-access-governance">
        <Card className="v2-access-governance-summary" bodyStyle={{ padding: 0 }}>
          <div><small>待绑定来源</small><strong>{(unresolvedQuery.data?.total ?? 0).toLocaleString('zh-CN')}</strong></div>
          <div><small>阈值版本</small><strong>v{thresholdQuery.data?.version ?? '—'}</strong></div>
          <div><small>主车辆口径</small><strong>{(summary?.totalVehicles ?? 0).toLocaleString('zh-CN')}</strong></div>
        </Card>
        {unresolvedQuery.isError ? <InlineError message={unresolvedQuery.error instanceof Error ? unresolvedQuery.error.message : '待绑定身份读取失败'} onRetry={() => unresolvedQuery.refetch()} /> : null}
        <IdentityQueue items={unresolvedQuery.data?.items ?? []} total={unresolvedQuery.data?.total ?? 0} />
        {thresholdQuery.isError ? <InlineError message={thresholdQuery.error instanceof Error ? thresholdQuery.error.message : '接入阈值读取失败'} onRetry={() => thresholdQuery.refetch()} /> : null}
        <ThresholdSettings config={thresholdQuery.data} draft={thresholdDraft} editable saving={updateThreshold.isPending} error={updateThreshold.error instanceof Error ? updateThreshold.error.message : undefined} onChange={setThresholdDraft} onSave={() => thresholdDraft && updateThreshold.mutate(thresholdDraft)} />
      </div> : null}
    </SideSheet> : null}
  </div>;
}