import React, { useCallback, useEffect, useState } from 'react';
import { history, useAccess } from '@umijs/max';
import { Button, Card, Descriptions, Divider, Image, Tag, message } from 'antd';
import { FormOutlined } from '@ant-design/icons';
import type { OutdoorFairDictForm, OutdoorFairItem } from '@/services/jobportal/outdoorFair';
import { addOutdoorFairDictOption, updateOutdoorFair } from '@/services/jobportal/outdoorFair';
import { getVenueInfo, getVenueInfoList } from '@/services/jobportal/venueInfo';
import type { VenueInfoItem } from '@/services/jobportal/venueInfo';
import { getDictSelectOption, getDictValueEnum } from '@/services/system/dict';
import EditModal from '@/pages/Jobfair/Outdoorfair/components/EditModal';

const OUTDOOR_FAIR_TYPE_DICT = 'outdoor_fair_type';
const OUTDOOR_FAIR_REGION_DICT = 'outdoor_fair_region';
const VENUE_INFO_TYPE_DICT = 'venue_info_type';

interface Props {
  fairId: number;
  fairInfo: OutdoorFairItem;
  onFairUpdate: () => void;
}

const FairInfoTab: React.FC<Props> = ({ fairInfo, onFairUpdate }) => {
  const access = useAccess();
  const [editModalOpen, setEditModalOpen] = useState(false);
  const [fairTypeOptions, setFairTypeOptions] = useState<any[]>([]);
  const [regionOptions, setRegionOptions] = useState<any[]>([]);
  const [venueOptions, setVenueOptions] = useState<any[]>([]);
  const [venueDetail, setVenueDetail] = useState<VenueInfoItem>();
  const [venueTypeValueEnum, setVenueTypeValueEnum] = useState<Record<string, any>>({});

  const refreshEditModalOptions = useCallback(async () => {
    const [typeOptions, regionSelectOptions, venueRes, venueTypeValueEnum] = await Promise.all([
      getDictSelectOption(OUTDOOR_FAIR_TYPE_DICT),
      getDictSelectOption(OUTDOOR_FAIR_REGION_DICT),
      getVenueInfoList({ current: 1, pageSize: 999 }),
      getDictValueEnum(VENUE_INFO_TYPE_DICT),
    ]);
    setFairTypeOptions(typeOptions);
    setRegionOptions(regionSelectOptions);
    setVenueTypeValueEnum(venueTypeValueEnum);
    if (venueRes.code === 200) {
      setVenueOptions(
        (venueRes.rows || []).map((item) => ({
          label: item.venueName,
          value: item.id,
          venueAddress: item.venueAddress,
          floorCount: item.floorCount,
        })),
      );
    }
  }, []);

  useEffect(() => {
    refreshEditModalOptions();
  }, [refreshEditModalOptions]);

  // 拉取绑定场地的详细信息
  useEffect(() => {
    const fetchVenueDetail = async () => {
      if (!fairInfo.venueId) {
        setVenueDetail(undefined);
        return;
      }
      try {
        const res = await getVenueInfo(fairInfo.venueId);
        if (res.code === 200 && res.data) {
          setVenueDetail(res.data);
        } else {
          setVenueDetail(undefined);
        }
      } catch {
        setVenueDetail(undefined);
      }
    };
    fetchVenueDetail();
  }, [fairInfo.venueId]);

  const handleCreateDictOption = async (values: OutdoorFairDictForm) => {
    const res = await addOutdoorFairDictOption(values);
    if (res.code === 200) {
      await refreshEditModalOptions();
      message.success('字典项新增成功');
      return true;
    }
    message.error(res.msg || '字典项新增失败');
    return false;
  };

  const fairTypeColors: Record<string, string> = {
    综合类: 'blue',
    校园招聘: 'green',
    行业专场: 'orange',
    高新技术专场: 'purple',
    智能制造专场: 'cyan',
    文旅专场: 'magenta',
    其他: 'default',
  };

  return (
    <>
      <Card
        title="基本信息"
        extra={
          <Button
            type="primary"
            size="small"
            icon={<FormOutlined />}
            hidden={!access.hasPerms('cms:outdoorFair:edit')}
            onClick={() => setEditModalOpen(true)}
          >
            编辑信息
          </Button>
        }
      >
        <Descriptions column={3} bordered size="small">
          <Descriptions.Item label="招聘会标题" span={3}>
            {fairInfo.title}
          </Descriptions.Item>
          <Descriptions.Item label="举办单位">{fairInfo.hostUnit}</Descriptions.Item>
          <Descriptions.Item label="招聘会类型">
            <Tag color={fairTypeColors[fairInfo.fairType] || 'default'}>{fairInfo.fairType}</Tag>
          </Descriptions.Item>
          <Descriptions.Item label="举办区域">{fairInfo.region}</Descriptions.Item>
          <Descriptions.Item label="绑定场地">
            {fairInfo.venueId && fairInfo.venueName ? (
              <Button
                type="link"
                size="small"
                onClick={() => history.push(`/jobfair/venue-info/detail?id=${fairInfo.venueId}`)}
              >
                {fairInfo.venueName}
              </Button>
            ) : (
              '--'
            )}
          </Descriptions.Item>
          <Descriptions.Item label="举办地址" span={2}>
            {fairInfo.address}
          </Descriptions.Item>
          <Descriptions.Item label="展位数量">{fairInfo.boothCount}</Descriptions.Item>
          <Descriptions.Item label="举办时间">{fairInfo.holdTime}</Descriptions.Item>
          <Descriptions.Item label="结束时间">{fairInfo.endTime}</Descriptions.Item>
          <Descriptions.Item label="报名开始时间">{fairInfo.applyStartTime}</Descriptions.Item>
          <Descriptions.Item label="报名截止时间">{fairInfo.applyEndTime}</Descriptions.Item>
          <Descriptions.Item label="线上申请">
            {fairInfo.onlineApply ? '是' : '否'}
          </Descriptions.Item>
          <Descriptions.Item label="招聘会照片" span={3}>
            {fairInfo.photoUrl ? (
              <Image
                src={fairInfo.photoUrl}
                alt={fairInfo.title}
                width={240}
                style={{ objectFit: 'cover', borderRadius: 4 }}
              />
            ) : (
              '--'
            )}
          </Descriptions.Item>
          <Descriptions.Item label="招聘会简介" span={3}>
            <div style={{ whiteSpace: 'pre-wrap' }}>{fairInfo.fairIntroduction || '--'}</div>
          </Descriptions.Item>
          <Descriptions.Item label="招聘会整体流程" span={3}>
            <div style={{ whiteSpace: 'pre-wrap' }}>{fairInfo.fairProcess || '--'}</div>
          </Descriptions.Item>
        </Descriptions>
        <Divider orientation="left" plain>
          企业参会专属信息（仅报名企业可见）
        </Divider>
        <Descriptions column={3} bordered size="small">
          <Descriptions.Item label="需携带资料" span={3}>
            <div style={{ whiteSpace: 'pre-wrap' }}>{fairInfo.requiredMaterials || '--'}</div>
          </Descriptions.Item>
          <Descriptions.Item label="到场须知" span={3}>
            <div style={{ whiteSpace: 'pre-wrap' }}>{fairInfo.attendanceNotes || '--'}</div>
          </Descriptions.Item>
        </Descriptions>
      </Card>

      <Card title="场地信息" style={{ marginTop: 16 }}>
        {venueDetail ? (
          <Descriptions column={3} bordered size="small">
            <Descriptions.Item label="场地名称" span={3}>
              {venueDetail.venueName || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="场地类型">
              {venueTypeValueEnum[venueDetail.venueType]?.text ||
                venueTypeValueEnum[venueDetail.venueType]?.label ||
                venueDetail.venueType ||
                '--'}
            </Descriptions.Item>
            <Descriptions.Item label="场地面积">
              {venueDetail.venueArea != null ? `${venueDetail.venueArea} ㎡` : '--'}
            </Descriptions.Item>
            <Descriptions.Item label="展位数量">
              {venueDetail.floorCount ?? '--'}
            </Descriptions.Item>
            <Descriptions.Item label="场地地址" span={2}>
              {venueDetail.venueAddress || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="联系电话">
              {venueDetail.contactPhone || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="乘坐线路" span={3}>
              {venueDetail.routeLineNames || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="经办日期">
              {venueDetail.handleDate || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="经办机构">
              {venueDetail.handleOrg || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="经办人">
              {venueDetail.handler || '--'}
            </Descriptions.Item>
            <Descriptions.Item label="备注" span={3}>
              {venueDetail.remark || '--'}
            </Descriptions.Item>
          </Descriptions>
        ) : (
          <div style={{ color: '#999' }}>该招聘会未绑定场地信息</div>
        )}
      </Card>

      <EditModal
        open={editModalOpen}
        values={fairInfo}
        fairTypeOptions={fairTypeOptions}
        regionOptions={regionOptions}
        venueOptions={venueOptions}
        onCreateDictOption={handleCreateDictOption}
        onCancel={() => setEditModalOpen(false)}
        onSubmit={async (values) => {
          const res = await updateOutdoorFair(values as any);
          if (res.code === 200) {
            message.success('修改成功');
            setEditModalOpen(false);
            onFairUpdate();
          } else {
            message.error(res.msg || '操作失败');
          }
        }}
      />
    </>
  );
};

export default FairInfoTab;