"use client";

import * as React from "react";
import { type DataTableRowAction } from "@/types/table";
import { type ColumnDef } from "@tanstack/react-table";
import { Ellipsis } from "lucide-react";
import { formatDate } from "@/lib/utils";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";

import { BidHistoryRow } from "./bid-history-table";
import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip";
import { DataTableColumnHeaderSimple } from "@/components/data-table/data-table-column-simple-header";
import { bidHistoryColumnsConfig } from "@/config/bidHistoryColumnsConfig";

interface GetColumnsProps {
  setRowAction: React.Dispatch<React.SetStateAction<DataTableRowAction<BidHistoryRow> | null>>;
  onViewDetails: (biddingId: number) => void;
}

/**
 * tanstack table 컬럼 정의 (중첩 헤더 버전)
 */
export function getColumns({ setRowAction, onViewDetails }: GetColumnsProps): ColumnDef<BidHistoryRow>[] {
  // ----------------------------------------------------------------
  // 1) select 컬럼 (체크박스)
  // ----------------------------------------------------------------
  const selectColumn: ColumnDef<BidHistoryRow> = {
    id: "select",
    header: ({ table }) => (
      <Checkbox
        checked={
          table.getIsAllPageRowsSelected() ||
          (table.getIsSomePageRowsSelected() && "indeterminate")
        }
        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
        aria-label="Select all"
        className="translate-y-0.5"
      />
    ),
    cell: ({ row }) => (
      <Checkbox
        checked={row.getIsSelected()}
        onCheckedChange={(value) => row.toggleSelected(!!value)}
        aria-label="Select row"
        className="translate-y-0.5"
      />
    ),
    size: 40,
    enableSorting: false,
    enableHiding: false,
  };

  // ----------------------------------------------------------------
  // 2) actions 컬럼 (Dropdown 메뉴)
  // ----------------------------------------------------------------
  const actionsColumn: ColumnDef<BidHistoryRow> = {
    id: "actions",
    enableHiding: false,
    cell: function Cell({ row }) {
      return (
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button
              aria-label="Open menu"
              variant="ghost"
              className="flex size-8 p-0 data-[state=open]:bg-muted"
            >
              <Ellipsis className="size-4" aria-hidden="true" />
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end" className="w-40">
            <DropdownMenuItem
              onSelect={() => onViewDetails(row.original.biddingId)}
            >
              입찰상세
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      );
    },
    size: 40,
  };

  // ----------------------------------------------------------------
  // 3) 일반 컬럼들
  // ----------------------------------------------------------------
  const basicColumns: ColumnDef<BidHistoryRow>[] = bidHistoryColumnsConfig.map((cfg) => {
    const column: ColumnDef<BidHistoryRow> = {
      accessorKey: cfg.id,
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title={cfg.label} />
      ),
      size: cfg.size,
    };

    // 계약구분 표시
    if (cfg.id === "contractType") {
      column.cell = ({ row }) => {
        const contractType = row.original.contractType;
        if (!contractType) return null;

        const contractTypeLabels = {
          unit_price: "단가",
          general: "일반",
          sale: "매각"
        };

        return (
          <span className="capitalize">
            {contractTypeLabels[contractType] || contractType}
          </span>
        );
      };
    }

    // 입찰유형 표시
    if (cfg.id === "biddingType") {
      column.cell = ({ row }) => {
        const biddingType = row.original.biddingType;
        if (!biddingType) return null;

        const biddingTypeLabels = {
          equipment: "기자재",
          construction: "공사",
          service: "용역",
          lease: "임차",
          steel_stock: "형강스톡",
          piping: "배관",
          transport: "운송",
          waste: "폐기물",
          sale: "매각"
        };

        return (
          <span className="capitalize">
            {biddingTypeLabels[biddingType] || biddingType}
          </span>
        );
      };
    }

    // 입찰상태 표시
    if (cfg.id === "biddingStatus") {
      column.cell = ({ row }) => {
        const biddingStatus = row.original.biddingStatus;
        if (!biddingStatus) return null;

        const statusLabels = {
          bidding_generated: "입찰생성",
          request_for_quotation: "사전견적요청",
          received_quotation: "사전견적접수",
          set_target_price: "내정가산정",
          bidding_opened: "입찰공고",
          bidding_closed: "입찰마감",
          evaluation_of_bidding: "입찰평가중",
          bidding_disposal: "유찰",
          vendor_selected: "업체선정"
        };

        const statusColors = {
          bidding_generated: "secondary",
          request_for_quotation: "outline",
          received_quotation: "outline",
          set_target_price: "outline",
          bidding_opened: "default",
          bidding_closed: "destructive",
          evaluation_of_bidding: "secondary",
          bidding_disposal: "destructive",
          vendor_selected: "default"
        };

        return (
          <Badge variant={statusColors[biddingStatus] || "secondary"}>
            {statusLabels[biddingStatus] || biddingStatus}
          </Badge>
        );
      };
    }

    // 입찰번호 표시 (Rev. 포함)
    if (cfg.id === "biddingNumber") {
      column.cell = ({ row }) => {
        const biddingNumber = row.original.biddingNumber;
        const revision = row.original.revision;
        if (!biddingNumber) return null;

        return (
          <div className="whitespace-nowrap">
            {biddingNumber}
          </div>
        );
      };
    }

    // 품목명 표시 (자재그룹 포함)
    if (cfg.id === "itemName") {
      column.cell = ({ row }) => {
        const itemName = row.original.itemName;
        const materialGroup = row.original.materialGroup;
        const materialGroupName = row.original.materialGroupName;

        if (!itemName) return null;

        const displayText = materialGroup && materialGroupName
          ? `${itemName} (${materialGroup}/${materialGroupName})`
          : itemName;

        return (
          <Tooltip>
            <TooltipTrigger asChild>
              <div className="break-words whitespace-normal line-clamp-2 max-w-[300px]">
                {displayText}
              </div>
            </TooltipTrigger>
            <TooltipContent side="bottom" className="max-w-[400px] whitespace-pre-wrap break-words">
              {displayText}
            </TooltipContent>
          </Tooltip>
        );
      };
    }

    // 입찰명 표시
    if (cfg.id === "biddingTitle") {
      column.cell = ({ row }) => {
        const title = row.original.biddingTitle;
        if (!title) return null;

        return (
          <Tooltip>
            <TooltipTrigger asChild>
              <div className="break-words whitespace-normal line-clamp-2 max-w-[300px]">
                {title}
              </div>
            </TooltipTrigger>
            <TooltipContent side="bottom" className="max-w-[400px] whitespace-pre-wrap break-words">
              {title}
            </TooltipContent>
          </Tooltip>
        );
      };
    }

    // 계약정보 표시 (PO/계약정보)
    if (cfg.id === "contractNumber") {
      column.cell = ({ row }) => {
        const poNumber = row.original.poNumber;
        const contractNumber = row.original.contractNumber;

        if (!poNumber && !contractNumber) return null;

        const displayText = poNumber && contractNumber
          ? `${poNumber}/${contractNumber}`
          : poNumber || contractNumber;

        return (
          <div className="whitespace-nowrap">
            {displayText}
          </div>
        );
      };
    }

    // 날짜 필드들 표시
    if (cfg.id === "biddingRequestDate" || cfg.id === "biddingDeadline") {
      column.cell = ({ row }) => (
        <div className="whitespace-nowrap">
          {formatDate(row.getValue(cfg.id), "KR")}
        </div>
      );
    }

    // 금액 필드들 표시
    if (cfg.id === "finalBidPrice" || cfg.id === "expectedAmount" || cfg.id === "preQuotePrice") {
      column.cell = ({ row }) => {
        const amount = row.getValue(cfg.id) as string;
        const currency = row.original.currency;
        if (!amount || !currency) return null;

        const numericAmount = parseFloat(amount);
        if (isNaN(numericAmount)) return null;

        return (
          <div className="whitespace-nowrap">
            {`${currency} ${numericAmount.toLocaleString()}`}
          </div>
        );
      };
    }

    // 발주비율 표시
    if (cfg.id === "awardRatio") {
      column.cell = ({ row }) => {
        const ratio = row.original.awardRatio;
        if (!ratio) return null;

        const numericRatio = parseFloat(ratio);
        if (isNaN(numericRatio)) return null;

        return (
          <div className="whitespace-nowrap">
            {`${numericRatio}%`}
          </div>
        );
      };
    }

    return column;
  });

  // ----------------------------------------------------------------
  // 4) 최종 컬럼 배열
  // ----------------------------------------------------------------
  return [
    selectColumn,
    ...basicColumns,
    actionsColumn,
  ];
}