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path: root/hooks/use-document-polling.ts
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// app/hooks/use-document-polling.ts
"use client"

import { pullDocumentStatusFromSHI } from "@/lib/vendor-document-list/plant/document-stages-service"
import { useEffect, useState } from "react"
import { toast } from "sonner"

interface UseDocumentPollingProps {
  contractId: number
  autoStart?: boolean
  onUpdate?: () => void
}

export function useDocumentPolling({
  contractId,
  autoStart = true,
  onUpdate
}: UseDocumentPollingProps) {
  const [isPolling, setIsPolling] = useState(false)
  const [lastPolledAt, setLastPolledAt] = useState<Date | null>(null)
  const [pollingStatus, setPollingStatus] = useState<'idle' | 'polling' | 'success' | 'error'>('idle')

  // 폴링 함수
  const pollDocuments = async (showToast = true) => {
    setIsPolling(true)
    setPollingStatus('polling')
    
    try {
      const result = await pullDocumentStatusFromSHI(contractId)
      
      if (result.success) {
        setPollingStatus('success')
        setLastPolledAt(new Date())
        
        if (showToast) {
          if (result.updatedCount > 0) {
            toast.success(result.message)
          } else {
            toast.info("모든 문서가 최신 상태입니다.")
          }
        }
        
        // 업데이트 콜백 실행
        if (result.updatedCount > 0 && onUpdate) {
          onUpdate()
        }
      } else {
        setPollingStatus('error')
        if (showToast) {
          toast.error(result.message)
        }
      }
    } catch (error) {
      setPollingStatus('error')
      if (showToast) {
        toast.error("동기화 중 오류가 발생했습니다.")
      }
    } finally {
      setIsPolling(false)
    }
  }

  // 페이지 로드 시 자동 폴링
  useEffect(() => {
    if (autoStart && contractId) {
      pollDocuments(false) // 초기 로드 시에는 토스트 메시지 표시 안 함
    }
  }, [contractId])

  return {
    isPolling,
    lastPolledAt,
    pollingStatus,
    pollDocuments
  }
}