import { useCallback, useEffect, useMemo, useState } from 'react';
import { Link } from 'react-router-dom';
import {
  Button, Card, Col, DatePicker, Descriptions, Form, Modal, Row, Select, Space, Statistic, Table, Typography, message,
} from 'antd';
import { CloudUploadOutlined, ReloadOutlined } from '@ant-design/icons';
import dayjs, { type Dayjs } from 'dayjs';
import ReactECharts from 'echarts-for-react';
import type { EChartsOption } from 'echarts';
import {
  request,
  type DashboardAnalytics,
  type DashboardStats,
  type DeployTriggerResult,
  type HqProfile,
  type Paginated,
  type SystemVersion,
} from '../lib/api';
import { ADMIN_OPTIONS_PAGE_SIZE, fmtTime } from '../lib/constants';

const STATUS_LABELS: Record<string, string> = {
  PENDING_PAY: '待付款',
  PENDING_SHIP: '待发货',
  OUT_WAREHOUSE: '已出库',
  SHIPPING: '配送中',
  PENDING_RECEIVE: '待收货',
  COMPLETED: '已完成',
  CANCELLED: '已取消',
  REFUNDING: '退款中',
  REFUNDED: '已退款',
};

const DEPLOYED_BY_LABELS: Record<string, string> = {
  webhook: 'Webhook',
  manual: '手动脚本',
  admin: 'Admin 发布',
};

type CityOption = { id: string; name: string; code: string };
type PromoOption = { id: string; code: string; name: string };

type AnalyticsFilters = {
  range: [Dayjs, Dayjs];
  cityId?: string;
  promoCodeId?: string;
  partnerAccountId?: string;
};

function buildAnalyticsQs(f: AnalyticsFilters) {
  const qs = new URLSearchParams();
  qs.set('dateFrom', f.range[0].format('YYYY-MM-DD'));
  qs.set('dateTo', f.range[1].format('YYYY-MM-DD'));
  if (f.cityId) qs.set('cityId', f.cityId);
  if (f.promoCodeId) qs.set('promoCodeId', f.promoCodeId);
  if (f.partnerAccountId) qs.set('partnerAccountId', f.partnerAccountId);
  return qs.toString();
}

export default function DashboardPage() {
  const [stats, setStats] = useState<DashboardStats | null>(null);
  const [version, setVersion] = useState<SystemVersion | null>(null);
  const [loading, setLoading] = useState(true);
  const [versionLoading, setVersionLoading] = useState(true);
  const [profile, setProfile] = useState<HqProfile | null>(null);
  const [deploying, setDeploying] = useState(false);
  const isSuperAdmin = profile?.adminRole === 'SUPER_ADMIN';

  const [filterForm] = Form.useForm<{
    range: [Dayjs, Dayjs];
    cityId?: string;
    promoCodeId?: string;
    partnerAccountId?: string;
  }>();
  const [filters, setFilters] = useState<AnalyticsFilters>({
    range: [dayjs().subtract(29, 'day'), dayjs()],
  });
  const [analytics, setAnalytics] = useState<DashboardAnalytics | null>(null);
  const [analyticsLoading, setAnalyticsLoading] = useState(true);
  const [cities, setCities] = useState<CityOption[]>([]);
  const [promos, setPromos] = useState<PromoOption[]>([]);
  const [partners, setPartners] = useState<Array<{ id: string; companyName?: string | null; name: string }>>([]);

  const loadVersion = useCallback(() => {
    setVersionLoading(true);
    return request<SystemVersion | null>('/admin/dashboard/version')
      .then(setVersion)
      .catch(() => setVersion(null))
      .finally(() => setVersionLoading(false));
  }, []);

  const loadAnalytics = useCallback((f: AnalyticsFilters) => {
    setAnalyticsLoading(true);
    return request<DashboardAnalytics>(`/admin/dashboard/analytics?${buildAnalyticsQs(f)}`)
      .then(setAnalytics)
      .catch((e) => {
        message.error(e instanceof Error ? e.message : '加载统计失败');
        setAnalytics(null);
      })
      .finally(() => setAnalyticsLoading(false));
  }, []);

  useEffect(() => {
    request<DashboardStats>('/admin/dashboard/stats')
      .then(setStats)
      .finally(() => setLoading(false));
    request<HqProfile>('/admin/auth/me')
      .then((p) => {
        setProfile(p);
        if (p.adminRole === 'SUPER_ADMIN') {
          void loadVersion();
        } else {
          setVersionLoading(false);
        }
      })
      .catch(() => {
        setVersionLoading(false);
      });
    void request<Paginated<CityOption>>(`/admin/cities?pageSize=${ADMIN_OPTIONS_PAGE_SIZE}`)
      .then((res) => setCities(res.items ?? []))
      .catch(() => setCities([]));
    void request<Paginated<PromoOption>>(`/admin/promo-codes?pageSize=${ADMIN_OPTIONS_PAGE_SIZE}`)
      .then((res) => setPromos(res.items ?? []))
      .catch(() => setPromos([]));
    void request<Paginated<{ id: string; companyName?: string | null; name: string }>>(
      `/admin/partners?pageSize=${ADMIN_OPTIONS_PAGE_SIZE}`,
    )
      .then((res) => setPartners(res.items ?? []))
      .catch(() => setPartners([]));
  }, [loadVersion]);

  useEffect(() => {
    void loadAnalytics(filters);
  }, [filters, loadAnalytics]);

  function applyFilters(values: {
    range?: [Dayjs, Dayjs];
    cityId?: string;
    promoCodeId?: string;
    partnerAccountId?: string;
  }) {
    const next: AnalyticsFilters = {
      range: values.range ?? filters.range,
      cityId: values.cityId || undefined,
      promoCodeId: values.promoCodeId || undefined,
      partnerAccountId: values.partnerAccountId || undefined,
    };
    setFilters(next);
  }

  function setCityFilter(cityId: string) {
    const next = { ...filters, cityId: cityId === filters.cityId ? undefined : cityId };
    filterForm.setFieldsValue({ cityId: next.cityId });
    setFilters(next);
  }

  function setPromoFilter(promoCodeId: string) {
    const key = promoCodeId === 'null' || promoCodeId === '' ? 'none' : promoCodeId;
    const next = {
      ...filters,
      promoCodeId: key === filters.promoCodeId ? undefined : key,
    };
    filterForm.setFieldsValue({ promoCodeId: next.promoCodeId });
    setFilters(next);
  }

  function setPartnerFilter(partnerAccountId: string) {
    const next = {
      ...filters,
      partnerAccountId:
        partnerAccountId === filters.partnerAccountId ? undefined : partnerAccountId,
    };
    filterForm.setFieldsValue({ partnerAccountId: next.partnerAccountId });
    setFilters(next);
  }

  function handleDeploy() {
    Modal.confirm({
      title: '确认发布更新？',
      content: '将触发服务器 webhook，拉取 auto-release.env 中配置的 GIT_BRANCH 并执行发版。发版通常需要数分钟，完成后可刷新版本信息。',
      okText: '开始发布',
      cancelText: '取消',
      onOk: async () => {
        setDeploying(true);
        try {
          const result = await request<DeployTriggerResult>('/admin/deploy/trigger', { method: 'POST' });
          message.success(result.message || '已触发发布');
        } catch (e) {
          message.error(e instanceof Error ? e.message : '触发发布失败');
          throw e;
        } finally {
          setDeploying(false);
        }
      },
    });
  }

  const shortSha = version?.commitId ? version.commitId.slice(0, 7) : '—';

  const ordersDrillQs = useMemo(() => {
    const qs = new URLSearchParams();
    qs.set('createdFrom', filters.range[0].format('YYYY-MM-DD'));
    qs.set('createdTo', filters.range[1].format('YYYY-MM-DD'));
    if (filters.cityId && filters.cityId !== 'none') qs.set('cityId', filters.cityId);
    return qs.toString();
  }, [filters]);

  const byDateOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byDate ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['新增用户', '订单数'] },
      grid: { left: 40, right: 20, top: 40, bottom: 40 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.date.slice(5)),
        axisLabel: { rotate: rows.length > 14 ? 45 : 0 },
      },
      yAxis: { type: 'value', minInterval: 1 },
      series: [
        { name: '新增用户', type: 'line', smooth: true, data: rows.map((r) => r.users) },
        { name: '订单数', type: 'line', smooth: true, data: rows.map((r) => r.orders) },
      ],
    };
  }, [analytics]);

  const byCityOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byCity ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['用户', '订单'] },
      grid: { left: 48, right: 20, top: 40, bottom: 48 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.cityName),
        axisLabel: { interval: 0, rotate: rows.length > 4 ? 30 : 0 },
      },
      yAxis: { type: 'value', minInterval: 1 },
      series: [
        { name: '用户', type: 'bar', data: rows.map((r) => r.users), barMaxWidth: 36 },
        { name: '订单', type: 'bar', data: rows.map((r) => r.orders), barMaxWidth: 36 },
      ],
    };
  }, [analytics]);

  const byPromoOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byPromo ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['用户', '订单'] },
      grid: { left: 48, right: 20, top: 40, bottom: 64 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.name || r.code),
        axisLabel: { interval: 0, rotate: rows.length > 3 ? 30 : 0 },
      },
      yAxis: { type: 'value', minInterval: 1 },
      series: [
        { name: '用户', type: 'bar', data: rows.map((r) => r.users), barMaxWidth: 36 },
        { name: '订单', type: 'bar', data: rows.map((r) => r.orders), barMaxWidth: 36 },
      ],
    };
  }, [analytics]);

  const opsByDateOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byDate ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['新增合伙人', '新签门店', '核销笔数', '核销金额'] },
      grid: { left: 48, right: 48, top: 48, bottom: 40 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.date.slice(5)),
        axisLabel: { rotate: rows.length > 14 ? 45 : 0 },
      },
      yAxis: [
        { type: 'value', name: '数量', minInterval: 1 },
        { type: 'value', name: '金额', minInterval: 1 },
      ],
      series: [
        { name: '新增合伙人', type: 'line', smooth: true, data: rows.map((r) => r.partners) },
        { name: '新签门店', type: 'line', smooth: true, data: rows.map((r) => r.stores) },
        { name: '核销笔数', type: 'line', smooth: true, data: rows.map((r) => r.redeems) },
        {
          name: '核销金额',
          type: 'line',
          smooth: true,
          yAxisIndex: 1,
          data: rows.map((r) => r.redeemAmount),
        },
      ],
    };
  }, [analytics]);

  const opsByCityOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byCity ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['合伙人', '门店', '核销笔数'] },
      grid: { left: 48, right: 20, top: 40, bottom: 48 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.cityName),
        axisLabel: { interval: 0, rotate: rows.length > 4 ? 30 : 0 },
      },
      yAxis: { type: 'value', minInterval: 1 },
      series: [
        { name: '合伙人', type: 'bar', data: rows.map((r) => r.partners), barMaxWidth: 28 },
        { name: '门店', type: 'bar', data: rows.map((r) => r.stores), barMaxWidth: 28 },
        { name: '核销笔数', type: 'bar', data: rows.map((r) => r.redeems), barMaxWidth: 28 },
      ],
    };
  }, [analytics]);

  const opsByPartnerOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byPartner ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['门店', '核销笔数', '核销金额'] },
      grid: { left: 48, right: 48, top: 40, bottom: 64 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.companyName),
        axisLabel: { interval: 0, rotate: rows.length > 3 ? 30 : 0 },
      },
      yAxis: [
        { type: 'value', name: '数量', minInterval: 1 },
        { type: 'value', name: '金额' },
      ],
      series: [
        { name: '门店', type: 'bar', data: rows.map((r) => r.stores), barMaxWidth: 28 },
        { name: '核销笔数', type: 'bar', data: rows.map((r) => r.redeems), barMaxWidth: 28 },
        {
          name: '核销金额',
          type: 'line',
          yAxisIndex: 1,
          data: rows.map((r) => r.redeemAmount),
        },
      ],
    };
  }, [analytics]);

  const redeemByCityOption = useMemo<EChartsOption>(() => {
    const rows = analytics?.byCity ?? [];
    return {
      tooltip: { trigger: 'axis' },
      legend: { data: ['核销笔数', '核销金额'] },
      grid: { left: 48, right: 48, top: 40, bottom: 48 },
      xAxis: {
        type: 'category',
        data: rows.map((r) => r.cityName),
        axisLabel: { interval: 0, rotate: rows.length > 4 ? 30 : 0 },
      },
      yAxis: [
        { type: 'value', name: '笔数', minInterval: 1 },
        { type: 'value', name: '金额' },
      ],
      series: [
        { name: '核销笔数', type: 'bar', data: rows.map((r) => r.redeems), barMaxWidth: 36 },
        {
          name: '核销金额',
          type: 'line',
          yAxisIndex: 1,
          data: rows.map((r) => r.redeemAmount),
        },
      ],
    };
  }, [analytics]);

  return (
    <div>
      <Typography.Title level={4}>数据概览</Typography.Title>

      {isSuperAdmin ? (
      <Card
        title="系统版本"
        loading={versionLoading}
        style={{ marginBottom: 24 }}
        extra={
          <Space>
            <Button icon={<ReloadOutlined />} onClick={() => void loadVersion()}>
              刷新版本
            </Button>
            <Button
              type="primary"
              icon={<CloudUploadOutlined />}
              loading={deploying}
              onClick={handleDeploy}
            >
              发布更新
            </Button>
          </Space>
        }
      >
        {version ? (
          <Descriptions column={{ xs: 1, sm: 2, lg: 3 }} size="small">
            <Descriptions.Item label="分支">{version.branch || '—'}</Descriptions.Item>
            <Descriptions.Item label="Tag">{version.gitTag || '—'}</Descriptions.Item>
            <Descriptions.Item label="Commit">
              <Typography.Text copyable={{ text: version.commitId }}>{shortSha}</Typography.Text>
            </Descriptions.Item>
            <Descriptions.Item label="提交说明" span={3}>{version.commitMessage}</Descriptions.Item>
            <Descriptions.Item label="发布时间">{fmtTime(version.deployedAt)}</Descriptions.Item>
            <Descriptions.Item label="触发来源">
              {DEPLOYED_BY_LABELS[version.deployedBy || ''] || version.deployedBy || '—'}
            </Descriptions.Item>
          </Descriptions>
        ) : (
          <Typography.Text type="secondary">尚未记录发版信息</Typography.Text>
        )}
      </Card>
      ) : null}

      <Row gutter={[16, 16]} style={{ marginBottom: 24 }}>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="有效用户" value={stats?.usersTotal ?? 0} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="访客（未验手机）" value={stats?.guestUsers ?? 0} valueStyle={{ color: '#faad14' }} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="已验手机" value={stats?.verifiedUsers ?? 0} valueStyle={{ color: '#52c41a' }} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="今日下单" value={stats?.ordersToday ?? 0} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="门店" value={stats?.storesTotal ?? 0} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="合伙人" value={stats?.partnersTotal ?? 0} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="今日核销" value={stats?.redeemToday ?? 0} />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={6}>
          <Card loading={loading}>
            <Statistic title="配送单" value={stats?.deliveriesTotal ?? 0} />
          </Card>
        </Col>
      </Row>

      <Card
        title="数据统计筛选"
        style={{ marginBottom: 24 }}
        extra={
          <Button
            icon={<ReloadOutlined />}
            size="small"
            onClick={() => void loadAnalytics(filters)}
          >
            刷新
          </Button>
        }
      >
        <Form
          form={filterForm}
          layout="inline"
          initialValues={{ range: filters.range }}
          onFinish={applyFilters}
        >
          <Form.Item name="range" label="日期" rules={[{ required: true, message: '请选择日期' }]}>
            <DatePicker.RangePicker allowClear={false} />
          </Form.Item>
          <Form.Item name="cityId" label="城市">
            <Select
              allowClear
              placeholder="全部开城"
              style={{ width: 160 }}
              options={[
                { value: 'none', label: '未选城' },
                ...cities.map((c) => ({ value: c.id, label: c.name })),
              ]}
            />
          </Form.Item>
          <Form.Item name="promoCodeId" label="推广码">
            <Select
              allowClear
              placeholder="全部来源"
              style={{ width: 200 }}
              options={[
                { value: 'none', label: '自然量 / 无推广码' },
                ...promos.map((p) => ({ value: p.id, label: `${p.name}（${p.code}）` })),
              ]}
            />
          </Form.Item>
          <Form.Item name="partnerAccountId" label="合伙人">
            <Select
              allowClear
              placeholder="全部合伙人"
              style={{ width: 200 }}
              options={partners.map((p) => ({
                value: p.id,
                label: p.companyName || p.name,
              }))}
            />
          </Form.Item>
          <Form.Item>
            <Button type="primary" htmlType="submit">查询</Button>
          </Form.Item>
        </Form>
      </Card>

      <Card
        title="用户 / 订单统计"
        style={{ marginBottom: 24 }}
        extra={
          <Space>
            <Link to={`/orders?${ordersDrillQs}`}>查看订单</Link>
            <Link to="/users">查看用户</Link>
          </Space>
        }
      >
        <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
          <Col xs={24} sm={8}>
            <Statistic title="区间新增用户" value={analytics?.summary.users ?? 0} />
          </Col>
          <Col xs={24} sm={8}>
            <Statistic title="区间订单数" value={analytics?.summary.orders ?? 0} />
          </Col>
          <Col xs={24} sm={8}>
            <Statistic title="区间付费用户" value={analytics?.summary.payingUsers ?? 0} />
          </Col>
        </Row>

        <Row gutter={[16, 16]}>
          <Col xs={24}>
            <Card type="inner" title="按日趋势" loading={analyticsLoading} size="small">
              <ReactECharts option={byDateOption} style={{ height: 320 }} notMerge />
            </Card>
          </Col>
          <Col xs={24} lg={12}>
            <Card
              type="inner"
              title="按城市（点击柱联动筛选）"
              loading={analyticsLoading}
              size="small"
            >
              <ReactECharts
                option={byCityOption}
                style={{ height: 300 }}
                notMerge
                onEvents={{
                  click: (params: { name?: string }) => {
                    const row = (analytics?.byCity ?? []).find((r) => r.cityName === params.name);
                    if (row) setCityFilter(row.cityId);
                  },
                }}
              />
            </Card>
          </Col>
          <Col xs={24} lg={12}>
            <Card
              type="inner"
              title="按推广码（点击柱联动筛选）"
              loading={analyticsLoading}
              size="small"
            >
              <ReactECharts
                option={byPromoOption}
                style={{ height: 300 }}
                notMerge
                onEvents={{
                  click: (params: { name?: string }) => {
                    const row = (analytics?.byPromo ?? []).find(
                      (r) => (r.name || r.code) === params.name,
                    );
                    if (row) setPromoFilter(row.promoCodeId ?? 'none');
                  },
                }}
              />
            </Card>
          </Col>
        </Row>
      </Card>

      <Card
        title="合伙人 / 门店 / 核销统计"
        style={{ marginBottom: 24 }}
        extra={
          <Space>
            <Link to="/city-partners">查看合伙人</Link>
            <Link to="/stores">查看门店</Link>
            <Link to="/redeem-records">查看核销</Link>
          </Space>
        }
      >
        <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
          <Col xs={24} sm={6}>
            <Statistic title="区间新增合伙人" value={analytics?.summary.partners ?? 0} />
          </Col>
          <Col xs={24} sm={6}>
            <Statistic title="区间新签门店" value={analytics?.summary.stores ?? 0} />
          </Col>
          <Col xs={24} sm={6}>
            <Statistic title="区间核销笔数" value={analytics?.summary.redeems ?? 0} />
          </Col>
          <Col xs={24} sm={6}>
            <Statistic title="区间核销金额" value={analytics?.summary.redeemAmount ?? 0} precision={2} />
          </Col>
        </Row>

        <Row gutter={[16, 16]}>
          <Col xs={24}>
            <Card type="inner" title="按日趋势（合伙人 / 门店 / 核销）" loading={analyticsLoading} size="small">
              <ReactECharts option={opsByDateOption} style={{ height: 320 }} notMerge />
            </Card>
          </Col>
          <Col xs={24} lg={12}>
            <Card
              type="inner"
              title="按城市（点击柱联动筛选）"
              loading={analyticsLoading}
              size="small"
            >
              <ReactECharts
                option={opsByCityOption}
                style={{ height: 300 }}
                notMerge
                onEvents={{
                  click: (params: { name?: string }) => {
                    const row = (analytics?.byCity ?? []).find((r) => r.cityName === params.name);
                    if (row) setCityFilter(row.cityId);
                  },
                }}
              />
            </Card>
          </Col>
          <Col xs={24} lg={12}>
            <Card
              type="inner"
              title="按城市核销金额"
              loading={analyticsLoading}
              size="small"
            >
              <ReactECharts
                option={redeemByCityOption}
                style={{ height: 300 }}
                notMerge
                onEvents={{
                  click: (params: { name?: string }) => {
                    const row = (analytics?.byCity ?? []).find((r) => r.cityName === params.name);
                    if (row) setCityFilter(row.cityId);
                  },
                }}
              />
            </Card>
          </Col>
          <Col xs={24}>
            <Card
              type="inner"
              title="按合伙人（门店 / 核销，点击联动筛选）"
              loading={analyticsLoading}
              size="small"
            >
              <ReactECharts
                option={opsByPartnerOption}
                style={{ height: 320 }}
                notMerge
                onEvents={{
                  click: (params: { name?: string }) => {
                    const row = (analytics?.byPartner ?? []).find(
                      (r) => r.companyName === params.name,
                    );
                    if (row) setPartnerFilter(row.partnerAccountId);
                  },
                }}
              />
            </Card>
          </Col>
        </Row>
      </Card>

      <Row gutter={[16, 16]} style={{ marginBottom: 24 }}>
        <Col xs={24} sm={12} lg={8}>
          <Card
            loading={loading}
            title="待审核合伙人打款"
            extra={<Link to="/finance/partner-bills">去处理</Link>}
          >
            <Statistic
              value={stats?.pendingBills ?? 0}
              suffix="笔"
              valueStyle={{ color: (stats?.pendingBills ?? 0) > 0 ? '#fa8c16' : undefined }}
            />
            <Typography.Text type="secondary">
              合伙人已确认申请，待总部通过或驳回
              {(stats?.pendingPartnerDraftBills ?? 0) > 0
                ? `（另有 ${stats?.pendingPartnerDraftBills} 笔待合伙人确认）`
                : ''}
            </Typography.Text>
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={8}>
          <Card
            loading={loading}
            title="待打款门店结算"
            extra={<Link to="/finance/store-bills">去处理</Link>}
          >
            <Statistic
              value={stats?.pendingPayouts ?? 0}
              suffix="笔"
              valueStyle={{ color: (stats?.pendingPayouts ?? 0) > 0 ? '#fa8c16' : undefined }}
            />
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={8}>
          <Card
            loading={loading}
            title="待审门店提现"
            extra={<Link to="/finance/store-bills?kind=WITHDRAW">去处理</Link>}
          >
            <Statistic
              value={stats?.pendingStoreWithdrawals ?? 0}
              suffix="笔"
              valueStyle={{
                color: (stats?.overdueStoreWithdrawals ?? 0) > 0 ? '#cf1322' : (stats?.pendingStoreWithdrawals ?? 0) > 0 ? '#fa8c16' : undefined,
              }}
            />
            <Typography.Text type="secondary">
              {(stats?.overdueStoreWithdrawals ?? 0) > 0
                ? `超时未审 ${stats?.overdueStoreWithdrawals} 笔（FIN-003）`
                : '工作日 T+0 审完'}
            </Typography.Text>
          </Card>
        </Col>
        <Col xs={24} sm={12} lg={8}>
          <Card loading={loading} title="待处理工单">
            <Statistic value={stats?.openTickets ?? 0} suffix="个" />
          </Card>
        </Col>
      </Row>

      <Row gutter={[16, 16]}>
        <Col xs={24} lg={12}>
          <Card title="已合并访客账号" loading={loading}>
            <Statistic value={stats?.mergedUsers ?? 0} suffix="个" />
          </Card>
        </Col>
        <Col xs={24} lg={12}>
          <Card title="订单状态分布" loading={loading}>
            <Table
              size="small"
              pagination={false}
              rowKey="status"
              dataSource={stats?.ordersByStatus ?? []}
              columns={[
                {
                  title: '状态',
                  dataIndex: 'status',
                  render: (s: string) => STATUS_LABELS[s] || s,
                },
                { title: '数量', dataIndex: 'count' },
              ]}
            />
          </Card>
        </Col>
      </Row>
    </div>
  );
}