import React, {useState, useEffect, useCallback} from 'react'
import {View, Text} from '@tarojs/components'
import {
  Space,
  Tabs,
  Tag,
  Empty,
  Loading,
  PullToRefresh,
  Button,
  Dialog,
  Image,
  ImagePreview,
  TextArea
} from '@nutui/nutui-react-taro'
import Taro from '@tarojs/taro'
import {useDealerUser} from '@/hooks/useDealerUser'
import {pageUserVerify, updateUserVerify} from '@/api/system/userVerify'
import type {ShopDealerWithdraw} from '@/api/shop/shopDealerWithdraw/model'
import {UserVerify} from "@/api/system/userVerify/model";

const UserVeirfyAdmin: React.FC = () => {
  const [activeTab, setActiveTab] = useState<string | number>(0)
  const [loading, setLoading] = useState<boolean>(false)
  const [refreshing, setRefreshing] = useState<boolean>(false)
  const [list, setList] = useState<UserVerify[]>([])
  const [rejectDialogVisible, setRejectDialogVisible] = useState<boolean>(false)
  const [rejectReason, setRejectReason] = useState<string>('')
  const [currentRecord, setCurrentRecord] = useState<ShopDealerWithdraw | null>(null)
  const [showPreview, setShowPreview] = useState(false)
  const [showPreview2, setShowPreview2] = useState(false)

  const {dealerUser} = useDealerUser()

  // Tab 切换处理函数
  const handleTabChange = (value: string | number) => {
    console.log('Tab切换到:', value)
    setActiveTab(value)
    // activeTab变化会自动触发useEffect重新获取数据，无需手动调用
  }

  // 获取审核记录
  const fetchWithdrawRecords = useCallback(async () => {
    if (!dealerUser?.userId) return

    try {
      setLoading(true)
      const currentStatus = Number(activeTab)
      const result = await pageUserVerify({
        page: 1,
        limit: 100,
        status: currentStatus // 后端筛选，提高性能
      })

      if (result?.list) {
        const processedRecords = result.list.map(record => ({
          ...record
        }))
        setList(processedRecords)
      }
    } catch (error) {
      console.error('获取审核记录失败:', error)
      Taro.showToast({
        title: '获取审核记录失败',
        icon: 'none'
      })
    } finally {
      setLoading(false)
    }
  }, [dealerUser?.userId, activeTab])


  // 刷新数据
  const handleRefresh = async () => {
    setRefreshing(true)
    await Promise.all([fetchWithdrawRecords()])
    setRefreshing(false)
  }

  // 审核通过
  const handleApprove = async (record: ShopDealerWithdraw) => {
    try {
      await updateUserVerify({
        ...record,
        status: 1, // 审核通过
      })

      Taro.showToast({
        title: '审核通过',
        icon: 'success'
      })

      await fetchWithdrawRecords()
    } catch (error: any) {
      if (error !== 'cancel') {
        console.error('审核通过失败:', error)
        Taro.showToast({
          title: error.message || '操作失败',
          icon: 'none'
        })
      }
    }
  }

  // 驳回申请
  const handleReject = (record: ShopDealerWithdraw) => {
    setCurrentRecord(record)
    setRejectReason('')
    setRejectDialogVisible(true)
  }

  // 确认驳回
  const confirmReject = async () => {
    if (!rejectReason.trim()) {
      Taro.showToast({
        title: '请输入驳回原因',
        icon: 'none'
      })
      return
    }

    try {
      await updateUserVerify({
        ...currentRecord!,
        status: 2, // 驳回
        comments: rejectReason.trim()
      })

      Taro.showToast({
        title: '已驳回',
        icon: 'success'
      })

      setRejectDialogVisible(false)
      setCurrentRecord(null)
      setRejectReason('')
      await fetchWithdrawRecords()
    } catch (error: any) {
      console.error('驳回失败:', error)
      Taro.showToast({
        title: error.message || '操作失败',
        icon: 'none'
      })
    }
  }


  // 初始化加载数据
  useEffect(() => {
    if (dealerUser?.userId) {
      fetchWithdrawRecords().then()
    }
  }, [fetchWithdrawRecords])

  const getStatusText = (status?: number) => {
    switch (status) {
      case 0:
        return '待审核'
      case 1:
        return '审核通过'
      case 2:
        return '已驳回'
      default:
        return '未知'
    }
  }

  const getStatusColor = (status?: number) => {
    switch (status) {
      case 0:
        return 'warning'
      case 1:
        return 'success'
      case 2:
        return 'danger'
      default:
        return 'default'
    }
  }

  const renderWithdrawRecords = () => {
    console.log('渲染审核记录:', {loading, recordsCount: list.length, dealerUserId: dealerUser?.userId})

    return (
      <PullToRefresh
        disabled={refreshing}
        onRefresh={handleRefresh}
      >
        <View>
          {loading ? (
            <View className="text-center py-8">
              <Loading/>
              <Text className="text-gray-500 mt-2">加载中...</Text>
            </View>
          ) : list.length > 0 ? (
            list.map(record => (
              <View key={record.id} className="rounded-lg bg-gray-50 p-4 mb-3 shadow-sm">
                <View className="flex justify-between items-start mb-3">
                  <Space direction={'vertical'}>
                    <Text className="font-semibold text-gray-800">
                      {record.realName}
                    </Text>
                    <Text className="font-normal text-sm text-gray-500">
                      {record.phone}
                    </Text>
                    <Text className="font-normal text-sm text-gray-500">
                      身份证号码：{record.idCard}
                    </Text>
                  </Space>
                  <Tag type={getStatusColor(record.status)}>
                    {getStatusText(record.status)}
                  </Tag>
                </View>

                <View className="flex gap-2 mb-2">
                  <Image src={record.sfz1} height={100} onClick={() => setShowPreview(true)}/>
                  <Image src={record.sfz2} height={100} onClick={() => setShowPreview2(true)}/>
                </View>
                <ImagePreview
                  autoPlay
                  images={[{src: `${record.sfz1}`}]}
                  visible={showPreview}
                  onClose={() => setShowPreview(false)}
                />
                <ImagePreview
                  autoPlay
                  images={[{src: `${record.sfz1}`}]}
                  visible={showPreview2}
                  onClose={() => setShowPreview2(false)}
                />

                <View className="text-xs text-gray-400">
                  <Text>申请时间：{record.createTime}</Text>
                  {record.status == 1 && (
                    <Text className="block mt-1">
                      审核时间：{record.updateTime}
                    </Text>
                  )}
                  {record.status == 2 && (
                    <Text className="block mt-1 text-red-500">
                      驳回原因：{record.comments}
                    </Text>
                  )}
                </View>

                {/* 操作按钮 */}
                {record.status === 0 && (
                  <View className="flex gap-2 mt-3">
                    <Button
                      type="success"
                      size="small"
                      className="flex-1"
                      onClick={() => handleApprove(record)}
                    >
                      审核通过
                    </Button>
                    <Button
                      type="danger"
                      size="small"
                      className="flex-1"
                      onClick={() => handleReject(record)}
                    >
                      驳回
                    </Button>
                  </View>
                )}

              </View>
            ))
          ) : (
            <Empty description="暂无申请记录"/>
          )}
        </View>
      </PullToRefresh>
    )
  }

  return (
    <View className="bg-gray-50 min-h-screen">
      <Tabs value={activeTab} onChange={handleTabChange}>
        <Tabs.TabPane title="待审核" value="0">
          {renderWithdrawRecords()}
        </Tabs.TabPane>

        <Tabs.TabPane title="已通过" value="1">
          {renderWithdrawRecords()}
        </Tabs.TabPane>

        <Tabs.TabPane title="已驳回" value="2">
          {renderWithdrawRecords()}
        </Tabs.TabPane>
      </Tabs>

      {/* 驳回原因对话框 */}
      <Dialog
        visible={rejectDialogVisible}
        title="驳回原因"
        onCancel={() => {
          setRejectDialogVisible(false)
          setCurrentRecord(null)
          setRejectReason('')
        }}
        onConfirm={confirmReject}
      >
        <View className="p-4">
          <TextArea
            placeholder="请输入驳回原因"
            value={rejectReason}
            onChange={(value) => setRejectReason(value)}
            maxLength={200}
            rows={4}
          />
        </View>
      </Dialog>
    </View>
  )
}

export default UserVeirfyAdmin