// lib/tbe-last/table/tbe-last-table.tsx

"use client"

import * as React from "react"
import { useRouter } from "next/navigation"
import { type DataTableAdvancedFilterField } 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 { getColumns } from "./tbe-last-table-columns"
import { TbeLastView } from "@/db/schema"
import { getAllTBELast, getTBESessionDetail, requestTBEForRFQ } from "@/lib/tbe-last/service"
import { Button } from "@/components/ui/button"
import { Download, RefreshCw } from "lucide-react"
import { exportTableToExcel } from "@/lib/export"

// Import Dialogs and Sheets
import { SessionDetailDialog } from "./session-detail-dialog"
import { DocumentsSheet } from "./documents-sheet"
import { PrItemsDialog } from "./pr-items-dialog"
import { EvaluationDialog } from "./evaluation-dialog"
import { toast } from "sonner"

interface TbeLastTableProps {
  promises: Promise<[
    Awaited<ReturnType<typeof getAllTBELast>>,
  ]>
}

export function TbeLastTable({ promises }: TbeLastTableProps) {
  const router = useRouter()
  const [{ data, pageCount }] = React.use(promises)

  console.log(data, "data")

  // Dialog states
  const [sessionDetailOpen, setSessionDetailOpen] = React.useState(false)
  const [documentsOpen, setDocumentsOpen] = React.useState(false)
  const [prItemsOpen, setPrItemsOpen] = React.useState(false)
  const [evaluationOpen, setEvaluationOpen] = React.useState(false)

  const [selectedSessionId, setSelectedSessionId] = React.useState<number | null>(null)
  const [selectedRfqId, setSelectedRfqId] = React.useState<number | null>(null)
  const [selectedSession, setSelectedSession] = React.useState<TbeLastView | null>(null)
  const [sessionDetail, setSessionDetail] = React.useState<any>(null)
  const [isLoadingDetail, setIsLoadingDetail] = React.useState(false)
  // PR Items count overrides per sessionId (sourced from dialog detail)
  const [prItemsCountsBySessionId, setPrItemsCountsBySessionId] = React.useState<Record<number, { total: number, major: number }>>({})

  // Load session detail when needed
  const loadSessionDetail = React.useCallback(async (sessionId: number) => {
    setIsLoadingDetail(true)
    try {
      const detail = await getTBESessionDetail(sessionId)
      setSessionDetail(detail)
      // Update PR items count override for this session
      if (detail?.session?.tbeSessionId) {
        const sid = detail.session.tbeSessionId as number
        const items = Array.isArray(detail?.prItems) ? detail.prItems : []
        const total = items.length
        const major = items.filter((it: any) => it?.majorYn === true).length
        setPrItemsCountsBySessionId(prev => ({ ...prev, [sid]: { total, major } }))
      }
    } catch (error) {
      console.error("Failed to load session detail:", error)
    } finally {
      setIsLoadingDetail(false)
    }
  }, [])

  // Handlers
  const handleOpenSessionDetail = React.useCallback((sessionId: number) => {
    setSelectedSessionId(sessionId)
    setSessionDetailOpen(true)
    loadSessionDetail(sessionId)
  }, [loadSessionDetail])

  const handleOpenDocuments = React.useCallback((sessionId: number) => {
    setSelectedSessionId(sessionId)
    setDocumentsOpen(true)
    loadSessionDetail(sessionId)
  }, [loadSessionDetail])

  const handleOpenPrItems = React.useCallback((sessionId: number) => {
    setSelectedSessionId(sessionId)
    setPrItemsOpen(true)
    loadSessionDetail(sessionId)
  }, [loadSessionDetail])

  const handleOpenEvaluation = React.useCallback((session: TbeLastView) => {
    setSelectedSession(session)
    setEvaluationOpen(true)
    loadSessionDetail(session.rfqId)

  }, [])

  // Refresh 기능 제거됨

  // Table columns
  const columns = React.useMemo(
    () =>
      getColumns({
        onOpenSessionDetail: handleOpenSessionDetail,
        onOpenDocuments: handleOpenDocuments,
        onOpenPrItems: handleOpenPrItems,
        onOpenEvaluation: handleOpenEvaluation,
        getPrCountsOverride: (sessionId: number) => prItemsCountsBySessionId[sessionId]
      }),
    [handleOpenSessionDetail, handleOpenDocuments, handleOpenPrItems, handleOpenEvaluation, prItemsCountsBySessionId]
  )

  // Filter fields
  const filterFields: DataTableAdvancedFilterField<TbeLastView>[] = [
    {
      id: "sessionCode",
      label: "TBE Code",
      type: "text",
    },
    {
      id: "rfqCode",
      label: "RFQ Code",
      type: "text",
    },
    {
      id: "rfqTitle",
      label: "RFQ Title",
      type: "text",
    },
    {
      id: "rfqDueDate",
      label: "Due Date",
      type: "date",
    },
    {
      id: "packageNo",
      label: "Package No",
      type: "text",
    },
    {
      id: "projectCode",
      label: "Project",
      type: "text",
    },
    {
      id: "vendorCode",
      label: "Vendor Code",
      type: "text",
    },
    {
      id: "vendorName",
      label: "Vendor Name",
      type: "text",
    },
    {
      id: "picName",
      label: "구매담당자",
      type: "text",
    },
    {
      id: "EngPicName",
      label: "설계담당자",
      type: "text",
    },
    {
      id: "sessionStatus",
      label: "Status",
      type: "select",
      options: [
        { label: "준비중", value: "준비중" },
        { label: "진행중", value: "진행중" },
        { label: "검토중", value: "검토중" },
        { label: "보류", value: "보류" },
        { label: "완료", value: "완료" },
      ],
    },
    {
      id: "evaluationResult",
      label: "Result",
      type: "select",
      options: [
        { label: "Acceptable", value: "Acceptable" },
        { label: "Conditional", value: "Acceptable with Comment" },
        { label: "Not Acceptable", value: "Not Acceptable" },
        { label: "Pending", value: "" },
      ],
    },
  ]

  // Data table
  const { table } = useDataTable({
    data,
    columns,
    pageCount,
    filterFields,
    enablePinning: true,
    enableAdvancedFilter: true,
    initialState: {
      sorting: [{ id: "createdAt", desc: true }],
      columnPinning: { right: ["documents"] },
    },
    getRowId: (originalRow) => String(originalRow.tbeSessionId),
    shallow: false,
    clearOnDefault: true,
  })

  const handleBulkTBERequest = React.useCallback(async (rfqGroups: Map<string, TbeLastView[]>) => {
    try {
      const promises = Array.from(rfqGroups.entries()).map(async ([rfqCode, sessions]) => {
        // 준비중 상태인 세션만 필터링
        const pendingSessions = sessions.filter(s => s.sessionStatus === "준비중");

        if (pendingSessions.length === 0) {
          toast.info(`RFQ ${rfqCode}: 이미 TBE가 요청되었습니다.`);
          return null;
        }

        const vendors = pendingSessions.map(session => ({
          sessionId: session.tbeSessionId,
          vendorId: session.vendorId, // vendor ID 추가
          vendorCode: session.vendorCode,
          vendorName: session.vendorName,
        }));

        const rfqInfo = {
          rfqId: sessions[0].rfqId, // rfqLastId 추가
          rfqCode: sessions[0].rfqCode,
          rfqTitle: sessions[0].rfqTitle || "",
          rfqDueDate: sessions[0].rfqDueDate,
          projectCode: sessions[0].projectCode || "",
          projectName: sessions[0].projectName || "",
          packageNo: sessions[0].packageNo || "",
          packageName: sessions[0].packageName || "",
          picName: sessions[0].picName || "",
        };

        return requestTBEForRFQ(rfqInfo, vendors);
      });

      const results = await Promise.allSettled(promises);

      const successCount = results.filter(r => r.status === "fulfilled" && r.value?.success).length;
      const failCount = results.filter(r => r.status === "rejected" || (r.status === "fulfilled" && !r.value?.success)).length;

      if (successCount > 0) {
        toast.success(`${successCount}개 RFQ에 대한 TBE 요청이 완료되었습니다.`);
      }

      if (failCount > 0) {
        toast.error(`${failCount}개 RFQ에 대한 TBE 요청이 실패했습니다.`);
      }

      // 테이블 새로고침
      router.refresh();
      table.resetRowSelection();

    } catch (error) {
      console.error("TBE 요청 처리 중 오류:", error);
      toast.error("TBE 요청 처리 중 오류가 발생했습니다.");
    }
  }, [router, table]);


  return (
    <>
      <DataTable table={table}>
        <DataTableAdvancedToolbar
          table={table}
          filterFields={filterFields}
          shallow={false}
        >
          <div className="flex items-center gap-2">

            {table.getFilteredSelectedRowModel().rows.length > 0 && (
              <Button
                variant="default"
                size="sm"
                onClick={() => {
                  const selectedRows = table.getFilteredSelectedRowModel().rows;
                  const rfqGroups = new Map();

                  // RFQ별로 그룹핑
                  selectedRows.forEach(row => {
                    const rfqCode = row.original.rfqCode;
                    if (!rfqGroups.has(rfqCode)) {
                      rfqGroups.set(rfqCode, []);
                    }
                    rfqGroups.get(rfqCode).push(row.original);
                  });

                  handleBulkTBERequest(rfqGroups);
                }}
              >
                선택된 항목 TBE 요청 ({table.getFilteredSelectedRowModel().rows.length})
              </Button>
            )}
            {/* Refresh 버튼 제거됨 */}
            <Button
              variant="outline"
              size="sm"
              onClick={() =>
                exportTableToExcel(table, {
                  filename: "tbe-sessions",
                  excludeColumns: ["select", "actions"],
                  useGroupHeader: true
                })
              }
              className="gap-2"
            >
              <Download className="size-4" />
              <span>Export</span>
            </Button>
          </div>
        </DataTableAdvancedToolbar>
      </DataTable>

      {/* Session Detail Dialog */}
      <SessionDetailDialog
        open={sessionDetailOpen}
        onOpenChange={setSessionDetailOpen}
        sessionDetail={sessionDetail}
        isLoading={isLoadingDetail}
      />

      {/* Documents Sheet */}
      <DocumentsSheet
        open={documentsOpen}
        onOpenChange={setDocumentsOpen}
        sessionDetail={sessionDetail}
        isLoading={isLoadingDetail}
      />

      {/* PR Items Dialog */}
      <PrItemsDialog
        open={prItemsOpen}
        onOpenChange={setPrItemsOpen}
        sessionDetail={sessionDetail}
        isLoading={isLoadingDetail}
      />

      {/* Evaluation Dialog */}
      <EvaluationDialog
        open={evaluationOpen}
        onOpenChange={setEvaluationOpen}
        selectedSession={selectedSession}
        onSuccess={() => {
          router.refresh()
        }}
      />
    </>
  )
}