import { useEffect, useMemo, useState } from 'react';
import { getRevenueStatistics, getTodayExamStatistics, getUserOwnedMenus, getB1ServiceBoard, getNorth3ServiceBoard } from '../../api';
import type { OutputB1ServiceBoard, OutputNorth3ServiceBoard } from '../../api/types';
import { Card, CardContent, CardHeader, InfoCard } from '../ui';
import { cleanLocalStorageIfNeeded } from '../../utils/clean';

const APP_ID = 'b2b49e91d21446aeb14579930f732985';

type HomeStatItem = { label: string; value: number };
type RevenueStatItem = { label: string; value: string | number };

export const HomeSection = () => {
  const [homeStats, setHomeStats] = useState<HomeStatItem[]>([
    { label: '今日预约', value: 0 },
    { label: '签到人数', value: 0 },
    { label: '打印导检单', value: 0 },
    { label: '在检人数', value: 0 },
    { label: '已完成人数', value: 0 },
  ]);
  const [revenueStats, setRevenueStats] = useState<RevenueStatItem[]>([
    { label: '体检收入', value: '¥ 0' },
    { label: '加项收入', value: '¥ 0' },
    { label: '整体收入', value: '¥ 0' },
    { label: '当日目标', value: '¥ 0' },
    { label: '完成百分比', value: '0%' },
    { label: '当日缺口', value: '¥ 0' },
  ]);
  const [showRevenueStats, setShowRevenueStats] = useState(false);
  const [b1Data, setB1Data] = useState<OutputB1ServiceBoard | null>(null);
  const [b1Loading, setB1Loading] = useState(false);
  const [north3Data, setNorth3Data] = useState<OutputNorth3ServiceBoard | null>(null);
  const [north3Loading, setNorth3Loading] = useState(false);

  const currencyFormatter = useMemo(() => new Intl.NumberFormat('zh-CN', {
    style: 'currency',
    currency: 'CNY',
    minimumFractionDigits: 0,
    maximumFractionDigits: 0,
  }), []);

  useEffect(() => {

    // 清理本地存储
    cleanLocalStorageIfNeeded();

    getTodayExamStatistics({})
      .then((res) => {
        const d = res.Data;
        setHomeStats([
          { label: '今日预约', value: Number(d?.today_appointment_count ?? 0) },
          { label: '签到人数', value: Number(d?.today_signin_count ?? 0) },
          { label: '打印导检单', value: Number(d?.today_print_guide_count ?? 0) },
          { label: '在检人数', value: Number(d?.today_in_exam_count ?? 0) },
          { label: '已完成人数', value: Number(d?.today_completed_count ?? 0) },
        ]);
      })
      .catch((err) => {
        console.error('获取今日体检统计失败', err);
      });
  }, []);

  useEffect(() => {
    getRevenueStatistics({})
      .then((res) => {
        const d = res.Data;
        const fmt = (n?: number | null) => currencyFormatter.format(Number(n ?? 0));
        setRevenueStats([
          { label: '体检收入', value: fmt(d?.physical_exam_income) },
          { label: '加项收入', value: fmt(d?.add_item_income) },
          { label: '整体收入', value: fmt(d?.total_income) },
          { label: '当日目标', value: fmt(d?.target_income) },
          { label: '完成百分比', value: d?.completion_percentage ?? '0%' },
          { label: '当日缺口', value: fmt(d?.gap_amount) },
        ]);
      })
      .catch((err) => {
        console.error('获取营收数据统计失败', err);
      });
  }, [currencyFormatter]);

  useEffect(() => {
    getUserOwnedMenus({ app_id: APP_ID })
      .then((res) => {
        console.log('获取用户菜单权限返回内容:', res);

        // 检查菜单 children 中是否有 authCode === 'HisTijianPad_Btn_Tongji' 的项
        const menus = res.Data?.menus || [];
        let hasPermission = false;

        for (const menu of menus) {
          if (menu.children && Array.isArray(menu.children)) {
            for (const child of menu.children) {
              if (typeof child === 'object' && child.authCode === 'HisTijianPad_Btn_Tongji') {
                hasPermission = true;
                break;
              }
            }
          }
          if (hasPermission) break;
        }

        setShowRevenueStats(hasPermission);
      })
      .catch((err) => {
        console.error('获取用户菜单权限失败', err);
        setShowRevenueStats(false);
      });
  }, []);

  useEffect(() => {
    setB1Loading(true);
    getB1ServiceBoard({})
      .then((res) => {
        if (res.Status === 200 && res.Data) {
          setB1Data(res.Data);
        }
      })
      .catch((err) => {
        console.error('获取B1服务看板失败', err);
        setB1Data(null);
      })
      .finally(() => {
        setB1Loading(false);
      });
  }, []);

  const b1ServiceList = b1Data?.b1_service_info_list || [];

  useEffect(() => {
    setNorth3Loading(true);
    getNorth3ServiceBoard({})
      .then((res) => {
        if (res.Status === 200 && res.Data) {
          setNorth3Data(res.Data);
        }
      })
      .catch((err) => {
        console.error('获取北3服务看板失败', err);
        setNorth3Data(null);
      })
      .finally(() => {
        setNorth3Loading(false);
      });
  }, []);

  return (
    <div className='space-y-6'>
      <Card>
        <CardHeader>今日体检统计</CardHeader>
        <CardContent>
          <div className='grid grid-cols-5 gap-3'>
            {homeStats.map(({ label, value }) => (
              <InfoCard key={label} label={label} value={value} />
            ))}
          </div>
        </CardContent>
      </Card>

      {showRevenueStats && (
        <Card>
          <CardHeader>今日营收统计</CardHeader>
          <CardContent>
            <div className='grid grid-cols-3 gap-3'>
              {revenueStats.map(({ label, value }) => (
                <InfoCard key={label} label={label} value={value} />
              ))}
            </div>
          </CardContent>
        </Card>
      )}

      <div className='grid grid-cols-2 gap-4'>
        <Card>
          <CardHeader>B1 服务看板</CardHeader>
          <CardContent>
            <div className='grid grid-cols-3 gap-3 mb-3'>
              <InfoCard label='客户总数' value={b1Data?.total_customer_count ?? 0} />
              <InfoCard label='待检人数' value={b1Data?.waiting_exam_count ?? 0} />
              <InfoCard label='在检人数' value={b1Data?.in_exam_count ?? 0} />
            </div>
            {b1Loading ? (
              <div className='text-center text-gray-500 py-4'>加载中...</div>
            ) : b1ServiceList.length === 0 ? (
              <div className='text-center text-gray-500 py-4'>暂无数据</div>
            ) : (
              <table className='w-full text-xs'>
                <thead>
                  <tr className='text-gray-500 border-b'>
                    <th className='py-2 text-left'>科室</th>
                    <th className='py-2 text-left'>医生</th>
                    <th className='py-2 text-right'>已检人数</th>
                    <th className='py-2 text-right'>已检部位数</th>
                    <th className='py-2 text-right'>总时长</th>
                    <th className='py-2 text-right'>平均时长</th>
                    <th className='py-2 text-right'>在检</th>
                    <th className='py-2 text-right'>待检</th>
                  </tr>
                </thead>
                <tbody>
                  {b1ServiceList.map((item, index) => (
                    <tr key={`${item.dept_name}-${item.doctor_name}-${index}`} className='border-b last:border-b-0'>
                      <td className='py-2'>{item.dept_name || '-'}</td>
                      <td className='py-2'>{item.doctor_name || '-'}</td>
                      <td className='py-2 text-right'>{item.completed_customer_count ?? '-'}</td>
                      <td className='py-2 text-right'>{item.exam_part_count ?? '-'}</td>
                      <td className='py-2 text-right'>{item.total_duration_minutes !== null && item.total_duration_minutes !== undefined ? `${item.total_duration_minutes}分钟` : '-'}</td>
                      <td className='py-2 text-right'>{item.average_duration_minutes !== null && item.average_duration_minutes !== undefined ? `${item.average_duration_minutes}分钟` : '-'}</td>
                      <td className='py-2 text-right'>-</td>
                      <td className='py-2 text-right'>-</td>
                    </tr>
                  ))}
                </tbody>
              </table>
            )}
          </CardContent>
        </Card>

        <Card>
          <CardHeader>北3服务看板</CardHeader>
          <CardContent>
            <div className='grid grid-cols-3 gap-3 mb-3'>
              <InfoCard label='今日家医数' value={north3Data?.today_family_doctor_count ?? 0} />
              <InfoCard label='分配客户数' value={north3Data?.assigned_customer_count ?? 0} />
              <InfoCard label='面诊数' value={north3Data?.face_to_face_count ?? 0} />
            </div>
            {north3Loading ? (
              <div className='text-center text-gray-500 py-4'>加载中...</div>
            ) : !north3Data || north3Data.north3_service_list.length === 0 ? (
              <div className='text-center text-gray-500 py-4'>暂无数据</div>
            ) : (
              <table className='w-full text-xs'>
                <thead>
                  <tr className='text-gray-500 border-b'>
                    <th className='py-2 text-left'>家医</th>
                    <th className='py-2 text-right'>分配客户数</th>
                    <th className='py-2 text-right'>面诊数</th>
                    <th className='py-2 text-right'>面诊率</th>
                  </tr>
                </thead>
                <tbody>
                  {north3Data.north3_service_list.map((item, index) => (
                    <tr key={`${item.family_doctor_name}-${index}`} className='border-b last:border-b-0'>
                      <td className='py-2'>{item.family_doctor_name || '-'}</td>
                      <td className='py-2 text-right'>{item.assigned_customer_count ?? '-'}</td>
                      <td className='py-2 text-right'>{item.face_to_face_count ?? '-'}</td>
                      <td className='py-2 text-right'>
                        {item.face_to_face_rate !== undefined
                          ? `${(item.face_to_face_rate * 100).toFixed(2)}%`
                          : item.assigned_customer_count && item.assigned_customer_count > 0
                            ? `${((item.face_to_face_count ?? 0) / item.assigned_customer_count * 100).toFixed(2)}%`
                            : '-'
                        }
                      </td>
                    </tr>
                  ))}
                </tbody>
              </table>
            )}
          </CardContent>
        </Card>
      </div>
    </div>
  );
};