'use client'

import * as React from 'react'
import { Bidding } from '@/db/schema'
import { QuotationDetails, QuotationVendor } from '@/lib/bidding/detail/service'

import { BiddingDetailVendorTableContent } from './bidding-detail-vendor-table'
import { BiddingDetailItemsDialog } from './bidding-detail-items-dialog'
import { BiddingDetailTargetPriceDialog } from './bidding-detail-target-price-dialog'
import { BiddingPreQuoteItemDetailsDialog } from '../../../bidding/pre-quote/table/bidding-pre-quote-item-details-dialog'
import { getPrItemsForBidding } from '../../../bidding/pre-quote/service'
import { checkAllVendorsFinalSubmitted, performBidOpening } from '../bidding-actions'
import { useToast } from '@/hooks/use-toast'
import { useTransition } from 'react'
import { useSession } from 'next-auth/react'
import { BiddingNoticeEditor } from '@/lib/bidding/bidding-notice-editor'
import { getBiddingNotice } from '@/lib/bidding/service'
import { Button } from '@/components/ui/button'
import { Card, CardContent } from '@/components/ui/card'
import { Badge } from '@/components/ui/badge'
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from '@/components/ui/dialog'
import { FileText, Eye, CheckCircle2, AlertCircle } from 'lucide-react'

interface BiddingDetailContentProps {
  bidding: Bidding
  quotationDetails: QuotationDetails | null
  quotationVendors: QuotationVendor[]
  prItems: any[]
}

export function BiddingDetailContent({
  bidding,
  quotationDetails,
  quotationVendors,
  prItems
}: BiddingDetailContentProps) {
  const { toast } = useToast()
  const [isPending, startTransition] = useTransition()
  const session = useSession()
  
  const [dialogStates, setDialogStates] = React.useState({
    items: false,
    targetPrice: false,
    selectionReason: false,
    award: false,
    biddingNotice: false
  })

  const [, setRefreshTrigger] = React.useState(0)
  
  // PR 아이템 다이얼로그 관련 state
  const [isItemDetailsDialogOpen, setIsItemDetailsDialogOpen] = React.useState(false)
  const [selectedVendorForDetails, setSelectedVendorForDetails] = React.useState<QuotationVendor | null>(null)
  const [prItemsForDialog, setPrItemsForDialog] = React.useState<any[]>([])

  // 입찰공고 관련 state
  const [biddingNotice, setBiddingNotice] = React.useState<any>(null)
  const [isBiddingNoticeLoading, setIsBiddingNoticeLoading] = React.useState(false)

  // 최종제출 현황 관련 state
  const [finalSubmissionStatus, setFinalSubmissionStatus] = React.useState<{
    allSubmitted: boolean
    totalCompanies: number
    submittedCompanies: number
  }>({ allSubmitted: false, totalCompanies: 0, submittedCompanies: 0 })
  const [isPerformingBidOpening, setIsPerformingBidOpening] = React.useState(false)

  const handleRefresh = React.useCallback(() => {
    setRefreshTrigger(prev => prev + 1)
  }, [])

  // 입찰공고 로드 함수
  const loadBiddingNotice = React.useCallback(async () => {
    if (!bidding.id) return

    setIsBiddingNoticeLoading(true)
    try {
      const notice = await getBiddingNotice(bidding.id)
      setBiddingNotice(notice)
    } catch (error) {
      console.error('Failed to load bidding notice:', error)
      toast({
        title: '오류',
        description: '입찰공고문을 불러오는데 실패했습니다.',
        variant: 'destructive',
      })
    } finally {
      setIsBiddingNoticeLoading(false)
    }
  }, [bidding.id, toast])

  const openDialog = React.useCallback((type: keyof typeof dialogStates) => {
    setDialogStates(prev => ({ ...prev, [type]: true }))
  }, [])

  // 최종제출 현황 로드 함수
  const loadFinalSubmissionStatus = React.useCallback(async () => {
    if (!bidding.id) return
    
    try {
      const status = await checkAllVendorsFinalSubmitted(bidding.id)
      setFinalSubmissionStatus(status)
    } catch (error) {
      console.error('Failed to load final submission status:', error)
    }
  }, [bidding.id])

  // 개찰 핸들러
  const handlePerformBidOpening = async (isEarly: boolean = false) => {
    if (!session.data?.user?.id) {
      toast({
        title: '권한 없음',
        description: '로그인이 필요합니다.',
        variant: 'destructive',
      })
      return
    }

    if (!finalSubmissionStatus.allSubmitted) {
      toast({
        title: '개찰 불가',
        description: `모든 벤더가 최종 제출해야 개찰할 수 있습니다. (${finalSubmissionStatus.submittedCompanies}/${finalSubmissionStatus.totalCompanies})`,
        variant: 'destructive',
      })
      return
    }

    const message = isEarly ? '조기개찰을 진행하시겠습니까?' : '개찰을 진행하시겠습니까?'
    if (!window.confirm(message)) {
      return
    }

    setIsPerformingBidOpening(true)
    try {
      const result = await performBidOpening(bidding.id, session.data.user.id.toString(), isEarly)

      if (result.success) {
        toast({
          title: '개찰 완료',
          description: result.message,
        })
        // 페이지 새로고침
        window.location.reload()
      } else {
        toast({
          title: '개찰 실패',
          description: result.error,
          variant: 'destructive',
        })
      }
    } catch (error) {
      console.error('Failed to perform bid opening:', error)
      toast({
        title: '오류',
        description: '개찰에 실패했습니다.',
        variant: 'destructive',
      })
    } finally {
      setIsPerformingBidOpening(false)
    }
  }

  // 컴포넌트 마운트 시 입찰공고 및 최종제출 현황 로드
  React.useEffect(() => {
    loadBiddingNotice()
    loadFinalSubmissionStatus()
  }, [loadBiddingNotice, loadFinalSubmissionStatus])

  const closeDialog = React.useCallback((type: keyof typeof dialogStates) => {
    setDialogStates(prev => ({ ...prev, [type]: false }))
  }, [])

  const handleViewItemDetails = React.useCallback((vendor: QuotationVendor) => {
    startTransition(async () => {
      try {
        // PR 아이템 정보 로드
        const prItemsData = await getPrItemsForBidding(bidding.id)
        setPrItemsForDialog(prItemsData)
        setSelectedVendorForDetails(vendor)
        setIsItemDetailsDialogOpen(true)
      } catch (error) {
        console.error('Failed to load PR items:', error)
        toast({
          title: '오류',
          description: '품목 정보를 불러오는데 실패했습니다.',
          variant: 'destructive',
        })
      }
    })
  }, [bidding.id, toast])

  // 개찰 버튼 표시 여부 (입찰평가중 상태에서만)
  const showBidOpeningButtons = bidding.status === 'evaluation_of_bidding'

  return (
    <div className="space-y-6">
      {/* 입찰공고 편집 버튼 */}
      <div className="flex justify-between items-center">
        <div>
          <h2 className="text-2xl font-bold">입찰 상세</h2>
          <p className="text-muted-foreground">{bidding.title}</p>
        </div>
        <Dialog open={dialogStates.biddingNotice} onOpenChange={(open) => setDialogStates(prev => ({ ...prev, biddingNotice: open }))}>
          <DialogTrigger asChild>
            <Button variant="outline" className="gap-2">
              <FileText className="h-4 w-4" />
              입찰공고 편집
            </Button>
          </DialogTrigger>
          <DialogContent className="max-w-4xl max-h-[80vh] overflow-hidden">
            <DialogHeader>
              <DialogTitle>입찰공고 편집</DialogTitle>
            </DialogHeader>
            <div className="max-h-[60vh] overflow-y-auto">
              <BiddingNoticeEditor
                initialData={biddingNotice}
                biddingId={bidding.id}
                onSaveSuccess={() => setDialogStates(prev => ({ ...prev, biddingNotice: false }))}
              />
            </div>
          </DialogContent>
        </Dialog>
      </div>

      {/* 최종제출 현황 및 개찰 버튼 */}
      {showBidOpeningButtons && (
        <Card>
          <CardContent className="pt-6">
            <div className="flex items-center justify-between">
              <div className="flex items-center gap-4">
                <div>
                  <div className="flex items-center gap-2 mb-1">
                    {finalSubmissionStatus.allSubmitted ? (
                      <CheckCircle2 className="h-5 w-5 text-green-600" />
                    ) : (
                      <AlertCircle className="h-5 w-5 text-yellow-600" />
                    )}
                    <h3 className="text-lg font-semibold">최종제출 현황</h3>
                  </div>
                  <div className="flex items-center gap-2">
                    <span className="text-sm text-muted-foreground">
                      최종 제출: {finalSubmissionStatus.submittedCompanies}/{finalSubmissionStatus.totalCompanies}개 업체
                    </span>
                    {finalSubmissionStatus.allSubmitted ? (
                      <Badge variant="default">모든 업체 제출 완료</Badge>
                    ) : (
                      <Badge variant="secondary">제출 대기 중</Badge>
                    )}
                  </div>
                </div>
              </div>
              
              {/* 개찰 버튼들 */}
              <div className="flex gap-2">
                <Button
                  onClick={() => handlePerformBidOpening(false)}
                  disabled={!finalSubmissionStatus.allSubmitted || isPerformingBidOpening}
                  variant="default"
                >
                  <Eye className="h-4 w-4 mr-2" />
                  {isPerformingBidOpening ? '처리 중...' : '개찰'}
                </Button>
                <Button
                  onClick={() => handlePerformBidOpening(true)}
                  disabled={!finalSubmissionStatus.allSubmitted || isPerformingBidOpening}
                  variant="outline"
                >
                  <Eye className="h-4 w-4 mr-2" />
                  {isPerformingBidOpening ? '처리 중...' : '조기개찰'}
                </Button>
              </div>
            </div>
          </CardContent>
        </Card>
      )}

      <BiddingDetailVendorTableContent
        biddingId={bidding.id}
        bidding={bidding}
        vendors={quotationVendors}
        onRefresh={handleRefresh}
        onOpenTargetPriceDialog={() => openDialog('targetPrice')}
        onOpenSelectionReasonDialog={() => openDialog('selectionReason')}
        onViewItemDetails={handleViewItemDetails}
        onEdit={undefined}
      />

      <BiddingDetailItemsDialog
        open={dialogStates.items}
        onOpenChange={(open) => closeDialog('items')}
        prItems={prItems}
        bidding={bidding}
      />

      <BiddingDetailTargetPriceDialog
        open={dialogStates.targetPrice}
        onOpenChange={(open) => closeDialog('targetPrice')}
        quotationDetails={quotationDetails}
        bidding={bidding}
        onSuccess={handleRefresh}
      />

      <BiddingPreQuoteItemDetailsDialog
        open={isItemDetailsDialogOpen}
        onOpenChange={setIsItemDetailsDialogOpen}
        biddingId={bidding.id}
        biddingCompanyId={selectedVendorForDetails?.id || 0}
        companyName={selectedVendorForDetails?.vendorName || ''}
        prItems={prItemsForDialog}
        currency={bidding.currency || 'KRW'}
      />
    </div>
  )
}