"use client"

import * as React from "react"
import { useRouter } from "next/navigation"
import { useSession } from "next-auth/react"
import type {
    DataTableAdvancedFilterField,
    DataTableFilterField,
    DataTableRowAction,
} from "@/types/table"

import { useDataTable } from "@/hooks/use-data-table"
import { DataTable } from "@/components/data-table/data-table"
import { DataTableAdvancedToolbar } from "@/components/data-table/data-table-advanced-toolbar"
import { getBiddingsFailureColumns } from "./biddings-failure-columns"
import { getBiddingsForFailure } from "@/lib/bidding/service"
import {
    biddingStatusLabels,
    contractTypeLabels,
} from "@/db/schema"
import { BiddingsClosureDialog } from "./biddings-closure-dialog"
import { Button } from "@/components/ui/button"
import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog"
import { FileX, RefreshCw, Undo2 } from "lucide-react"
import { bidClosureAction, cancelDisposalAction } from "@/lib/bidding/actions"
import { increaseRoundOrRebid } from "@/lib/bidding/service"
import { ApprovalPreviewDialog } from "@/lib/approval/approval-preview-dialog"
import { requestBiddingClosureWithApproval } from "@/lib/bidding/approval-actions"
import { useToast } from "@/hooks/use-toast"

type BiddingFailureItem = {
  id: number
  biddingNumber: string
  originalBiddingNumber: string | null
  title: string
  status: string
  contractType: string
  prNumber: string | null

  // 가격 정보
  targetPrice: string | number | null
  currency: string | null

  // 일정 정보
  biddingRegistrationDate: Date | null
  submissionStartDate: Date | null
  submissionEndDate: Date | null

  // 담당자 정보
  bidPicName: string | null
  supplyPicName: string | null

  // 유찰 정보
  disposalDate: Date | null // 유찰일
  disposalUpdatedAt: Date | null // 폐찰수정일
  disposalUpdatedBy: string | null // 폐찰수정자

  // 폐찰 정보
  closureReason: string | null // 폐찰사유
  closureDocuments: {
    id: number
    fileName: string
    originalFileName: string
    filePath: string
  }[] // 폐찰 첨부파일들

  // 기타 정보
  createdBy: string | null
  createdAt: Date | null
  updatedAt: Date | null
  updatedBy: string | null
}

interface BiddingsFailureTableProps {
    promises: Promise<
        [
            Awaited<ReturnType<typeof getBiddingsForFailure>>
        ]
    >
}

export function BiddingsFailureTable({ promises }: BiddingsFailureTableProps) {
    const [biddingsResult] = React.use(promises)

    // biddingsResult에서 data와 pageCount 추출
    const { data, pageCount } = biddingsResult

    const [isCompact, setIsCompact] = React.useState<boolean>(false)
    const [biddingClosureDialogOpen, setBiddingClosureDialogOpen] = React.useState(false)
    const [selectedBidding, setSelectedBidding] = React.useState<BiddingFailureItem | null>(null)
    const [isRebidDialogOpen, setIsRebidDialogOpen] = React.useState(false)
    const [selectedBiddingForRebid, setSelectedBiddingForRebid] = React.useState<BiddingFailureItem | null>(null)
    const [approvalPreviewData, setApprovalPreviewData] = React.useState<{
      templateName: string
      variables: Record<string, string>
      title: string
      description: string
      files?: File[]
    } | null>(null)
    const [isApprovalPreviewDialogOpen, setIsApprovalPreviewDialogOpen] = React.useState(false)
    const { toast } = useToast()

    const [rowAction, setRowAction] = React.useState<DataTableRowAction<BiddingFailureItem> | null>(null)

    const router = useRouter()
    const { data: session } = useSession()

    const columns = React.useMemo(
        () => getBiddingsFailureColumns({ setRowAction }),
        [setRowAction]
    )

    // rowAction 변경 감지하여 해당 다이얼로그 열기
    React.useEffect(() => {
        if (rowAction) {
            setSelectedBidding(rowAction.row.original)

            switch (rowAction.type) {
                case "view":
                    // 상세 페이지로 이동
                    router.push(`/evcp/bid/${rowAction.row.original.id}/info`)
                    break
                case "rebid":
                    // 재입찰 팝업 열기
                    setSelectedBiddingForRebid(rowAction.row.original)
                    setIsRebidDialogOpen(true)
                    break
                case "closure":
                    // 폐찰
                    setSelectedBidding(rowAction.row.original)
                    setBiddingClosureDialogOpen(true)
                    break
                case "cancelDisposal":
                    // 유찰취소
                    handleCancelDisposal(rowAction.row.original)
                    break
                default:
                    break
            }
        }
    }, [rowAction])

    const filterFields: DataTableFilterField<BiddingFailureItem>[] = [
        {
            id: "biddingNumber",
            label: "입찰번호",
            type: "text",
            placeholder: "입찰번호를 입력하세요",
        },
        {
            id: "prNumber",
            label: "P/R번호",
            type: "text",
            placeholder: "P/R번호를 입력하세요",
        },
        {
            id: "title",
            label: "입찰명",
            type: "text",
            placeholder: "입찰명을 입력하세요",
        },
    ]

    const advancedFilterFields: DataTableAdvancedFilterField<BiddingFailureItem>[] = [
        { id: "title", label: "입찰명", type: "text" },
        { id: "biddingNumber", label: "입찰번호", type: "text" },
        { id: "bidPicName", label: "입찰담당자", type: "text" },
        {
            id: "status",
            label: "진행상태",
            type: "multi-select",
            options: Object.entries(biddingStatusLabels).map(([value, label]) => ({
                label,
                value,
            })),
        },
        {
            id: "contractType",
            label: "계약구분",
            type: "select",
            options: Object.entries(contractTypeLabels).map(([value, label]) => ({
                label,
                value,
            })),
        },
        { id: "createdAt", label: "등록일", type: "date" },
        { id: "biddingRegistrationDate", label: "입찰등록일", type: "date" },
        { id: "disposalDate", label: "유찰일", type: "date" },
        { id: "disposalUpdatedAt", label: "폐찰일", type: "date" },
    ]

    const { table } = useDataTable({
        data,
        columns,
        pageCount,
        filterFields,
        enablePinning: true,
        enableAdvancedFilter: true,
        enableRowSelection: true,
        singleRowSelection: true,
        initialState: {
            sorting: [{ id: "disposalDate", desc: true }], // 유찰일 기준 최신순
            columnPinning: { right: ["actions"] },
        },
        getRowId: (originalRow) => String(originalRow.id),
        shallow: false,
        clearOnDefault: true,
    })

    const handleCompactChange = React.useCallback((compact: boolean) => {
        setIsCompact(compact)
    }, [])

    const handleBiddingClosureDialogClose = React.useCallback(() => {
        setBiddingClosureDialogOpen(false)
        setRowAction(null)
        setSelectedBidding(null)
    }, [])

    const handleRebidWithNavigation = React.useCallback(async (bidding: BiddingFailureItem) => {
        if (!session?.user?.id) {
            toast({
                title: "오류",
                description: "사용자 정보를 찾을 수 없습니다.",
                variant: "destructive",
            })
            return
        }

        try {
            const result = await increaseRoundOrRebid(bidding.id, session.user.id, 'rebidding')

            if (result.success) {
                toast({
                    title: "성공",
                    description: (result as any).message || "재입찰이 완료되었습니다.",
                })
                // 새로 생성된 입찰의 상세 페이지로 이동
                if ((result as any).biddingId) {
                    router.push(`/evcp/bid/${(result as any).biddingId}`)
                } else {
                    router.refresh()
                }
            } else {
                toast({
                    title: "오류",
                    description: result.error || "재입찰 중 오류가 발생했습니다.",
                    variant: "destructive",
                })
            }
        } catch (error) {
            console.error('재입찰 실패:', error)
            toast({
                title: "오류",
                description: "재입찰 중 오류가 발생했습니다.",
                variant: "destructive",
            })
        }
    }, [session?.user?.id, toast, router])

    const handleCancelDisposal = React.useCallback(async (bidding: BiddingFailureItem) => {
        if (!session?.user?.id) {
            toast({
                title: "오류",
                description: "사용자 정보를 찾을 수 없습니다.",
                variant: "destructive",
            })
            return
        }

        try {
            const result = await cancelDisposalAction(bidding.id, session.user.id)

            if (result.success) {
                toast({
                    title: "성공",
                    description: result.message,
                })
                // 페이지 새로고침
                router.refresh()
            } else {
                toast({
                    title: "오류",
                    description: result.error || "유찰취소 중 오류가 발생했습니다.",
                    variant: "destructive",
                })
            }
        } catch (error) {
            console.error('유찰취소 실패:', error)
            toast({
                title: "오류",
                description: "유찰취소 중 오류가 발생했습니다.",
                variant: "destructive",
            })
        }
    }, [session?.user?.id, toast, router])

    return (
        <>
            <DataTable
                table={table}
                compact={isCompact}
            >
                <DataTableAdvancedToolbar
                    table={table}
                    filterFields={advancedFilterFields}
                    shallow={false}
                    enableCompactToggle={true}
                    compactStorageKey="biddingsFailureTableCompact"
                    onCompactChange={handleCompactChange}
                >
                    {/* Toolbar 액션 버튼들 */}
                    <div className="flex items-center gap-2">
                        <Button
                            variant="outline"
                            size="sm"
                            onClick={() => {
                                const selectedRows = table.getFilteredSelectedRowModel().rows
                                if (selectedRows.length === 0) {
                                    toast({
                                        title: "선택 필요",
                                        description: "폐찰할 입찰을 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                if (selectedRows.length > 1) {
                                    toast({
                                        title: "하나만 선택",
                                        description: "폐찰은 한 개의 입찰만 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                const bidding = selectedRows[0].original
                                if (bidding.status !== 'bidding_disposal') {
                                    toast({
                                        title: "유찰 상태만 가능",
                                        description: "유찰 상태인 입찰만 폐찰할 수 있습니다.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                setSelectedBidding(bidding)
                                setBiddingClosureDialogOpen(true)
                            }}
                            disabled={table.getFilteredSelectedRowModel().rows.length !== 1 ||
                                     (table.getFilteredSelectedRowModel().rows.length === 1 &&
                                      table.getFilteredSelectedRowModel().rows[0].original.status === 'bid_closure')}
                        >
                            <FileX className="mr-2 h-4 w-4" />
                            폐찰
                        </Button>

                        <Button
                            variant="outline"
                            size="sm"
                            onClick={() => {
                                const selectedRows = table.getFilteredSelectedRowModel().rows
                                if (selectedRows.length === 0) {
                                    toast({
                                        title: "선택 필요",
                                        description: "재입찰할 입찰을 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                if (selectedRows.length > 1) {
                                    toast({
                                        title: "하나만 선택",
                                        description: "재입찰은 한 개의 입찰만 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                const bidding = selectedRows[0].original
                                setSelectedBiddingForRebid(bidding)
                                setIsRebidDialogOpen(true)
                            }}
                            disabled={table.getFilteredSelectedRowModel().rows.length !== 1 ||
                                     (table.getFilteredSelectedRowModel().rows.length === 1 &&
                                      table.getFilteredSelectedRowModel().rows[0].original.status === 'bid_closure')}
                        >
                            <RefreshCw className="mr-2 h-4 w-4" />
                            재입찰
                        </Button>

                        <Button
                            variant="outline"
                            size="sm"
                            onClick={() => {
                                const selectedRows = table.getFilteredSelectedRowModel().rows
                                if (selectedRows.length === 0) {
                                    toast({
                                        title: "선택 필요",
                                        description: "유찰취소할 입찰을 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                if (selectedRows.length > 1) {
                                    toast({
                                        title: "하나만 선택",
                                        description: "유찰취소는 한 개의 입찰만 선택해주세요.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                const bidding = selectedRows[0].original
                                if (bidding.status !== 'bidding_disposal' && bidding.status !== 'bid_closure') {
                                    toast({
                                        title: "유찰/폐찰 상태만 가능",
                                        description: "유찰 또는 폐찰 상태인 입찰만 취소할 수 있습니다.",
                                        variant: "destructive",
                                    })
                                    return
                                }
                                handleCancelDisposal(bidding)
                            }}
                            disabled={table.getFilteredSelectedRowModel().rows.length !== 1 ||
                                     (table.getFilteredSelectedRowModel().rows.length === 1 &&
                                      table.getFilteredSelectedRowModel().rows[0].original.status === 'bid_closure')}
                        >
                            <Undo2 className="mr-2 h-4 w-4" />
                            유찰취소
                        </Button>
                    </div>
                </DataTableAdvancedToolbar>
            </DataTable>

            {/* 폐찰 다이얼로그 */}
            {selectedBidding && session?.user?.id && (
                <BiddingsClosureDialog
                    open={biddingClosureDialogOpen}
                    onOpenChange={handleBiddingClosureDialogClose}
                    bidding={selectedBidding}
                    onSuccess={() => {
                        router.refresh()
                        handleBiddingClosureDialogClose()
                    }}
                    onApprovalPreview={(data) => {
                        setApprovalPreviewData(data)
                        setIsApprovalPreviewDialogOpen(true)
                    }}
                />
            )}

            {/* 재입찰 확인 다이얼로그 */}
            <Dialog open={isRebidDialogOpen} onOpenChange={setIsRebidDialogOpen}>
                <DialogContent>
                    <DialogHeader>
                        <DialogTitle>재입찰 확인</DialogTitle>
                        <DialogDescription>
                            입찰을 재입찰 처리하시겠습니까? 재입찰 후 새로운 입찰 화면으로 이동합니다.
                        </DialogDescription>
                    </DialogHeader>
                    <DialogFooter>
                        <Button
                            variant="outline"
                            onClick={() => {
                                setIsRebidDialogOpen(false)
                                setSelectedBiddingForRebid(null)
                            }}
                        >
                            아니오
                        </Button>
                        <Button
                            onClick={async () => {
                                if (selectedBiddingForRebid) {
                                    await handleRebidWithNavigation(selectedBiddingForRebid)
                                }
                                setIsRebidDialogOpen(false)
                                setSelectedBiddingForRebid(null)
                            }}
                        >
                            예
                        </Button>
                    </DialogFooter>
                </DialogContent>
            </Dialog>

            {/* 폐찰 결재 미리보기 다이얼로그 */}
            {session?.user && session.user.epId && approvalPreviewData && (
                <ApprovalPreviewDialog
                    open={isApprovalPreviewDialogOpen}
                    onOpenChange={(open) => {
                        setIsApprovalPreviewDialogOpen(open)
                        if (!open) {
                            setApprovalPreviewData(null)
                        }
                    }}
                    templateName={approvalPreviewData.templateName}
                    variables={approvalPreviewData.variables}
                    title={approvalPreviewData.title}
                    currentUser={{
                        id: Number(session.user.id),
                        epId: session.user.epId,
                        name: session.user.name || undefined,
                        email: session.user.email || undefined
                    }}
                    onConfirm={handleClosureApprovalConfirm}
                />
            )}
        </>
    )

    // 폐찰 결재 상신 핸들러
    const handleClosureApprovalConfirm = async (data: { approvers: string[]; title: string; attachments?: File[] }) => {
        if (!session?.user?.id || !approvalPreviewData || !selectedBidding) return

        try {
            const result = await requestBiddingClosureWithApproval({
                biddingId: selectedBidding.id,
                description: approvalPreviewData.description,
                files: approvalPreviewData.files,
                currentUser: {
                    id: Number(session.user.id),
                    epId: session.user.epId || null,
                    email: session.user.email || undefined
                },
                approvers: data.approvers,
            })

            if (result.status === 'pending_approval') {
                toast({
                    title: '성공',
                    description: `폐찰 결재가 상신되었습니다. (ID: ${result.approvalId})`,
                })
                setIsApprovalPreviewDialogOpen(false)
                setApprovalPreviewData(null)
                handleBiddingClosureDialogClose()
                router.refresh()
            } else {
                toast({
                    title: '오류',
                    description: '폐찰 결재 상신 중 오류가 발생했습니다.',
                    variant: 'destructive',
                })
            }
        } catch (error) {
            console.error('폐찰 결재 상신 실패:', error)
            toast({
                title: '오류',
                description: '폐찰 결재 상신 중 오류가 발생했습니다.',
                variant: 'destructive',
            })
        }
    }
}