"use client"

import * as React from "react"
import { type DataTableRowAction } from "@/types/table"
import { type ColumnDef } from "@tanstack/react-table"
import {
  Ellipsis,
  InfoIcon,
  PenToolIcon,
  FileTextIcon,
  ClipboardListIcon,
  CheckIcon,
  XIcon,
  ClockIcon,
  Send,
  User,
  Calendar
} from "lucide-react"

import { formatDate, formatCurrency } from "@/lib/utils"
import { Button } from "@/components/ui/button"
import { Checkbox } from "@/components/ui/checkbox"
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip"
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
import { Badge } from "@/components/ui/badge"
import { useRouter } from "next/navigation"

import { DataTableColumnHeaderSimple } from "@/components/data-table/data-table-column-simple-header"
import { ReviewerEvaluationView } from "@/db/schema"


type NextRouter = ReturnType<typeof useRouter>;

interface GetColumnsProps {
  setRowAction: React.Dispatch<React.SetStateAction<DataTableRowAction<ReviewerEvaluationView> | null>>
  router: NextRouter;

}

/**
 * 평가 진행 상태에 따른 배지 스타일
 */
const getProgressBadge = (isCompleted: boolean, completedAt: Date | null) => {
  if (isCompleted && completedAt) {
    return {
      variant: "default" as const,
      icon: <CheckIcon className="h-3 w-3" />,
      label: "완료",
      className: "bg-green-100 text-green-800 border-green-200"
    }
  } else {
    return {
      variant: "secondary" as const,
      icon: <ClockIcon className="h-3 w-3" />,
      label: "미완료"
    }
  }
}

/**
 * 정기평가 상태에 따른 배지 스타일
 */
const getPeriodicStatusBadge = (status: string) => {
  switch (status) {
    case 'PENDING':
      return {
        variant: "secondary" as const,
        icon: <ClockIcon className="h-3 w-3" />,
        label: "대기중"
      }

      case 'PENDING_SUBMISSION':
        return {
          variant: "secondary" as const,
          icon: <ClockIcon className="h-3 w-3" />,
          label: "업체 제출 대기중"
        }
    case 'IN_PROGRESS':
      return {
        variant: "default" as const,
        icon: <PenToolIcon className="h-3 w-3" />,
        label: "진행중"
      }
    case 'REVIEW':
      return {
        variant: "outline" as const,
        icon: <ClipboardListIcon className="h-3 w-3" />,
        label: "검토중"
      }
    case 'COMPLETED':
      return {
        variant: "default" as const,
        icon: <CheckIcon className="h-3 w-3" />,
        label: "완료",
        className: "bg-green-100 text-green-800 border-green-200"
      }
    default:
      return {
        variant: "secondary" as const,
        icon: null,
        label: status
      }
  }
}

/**
 * 평가 제출 테이블 컬럼 정의
 */
export function getColumns({ setRowAction, router }: GetColumnsProps): ColumnDef<ReviewerEvaluationView>[] {

  // ----------------------------------------------------------------
  // 1) select 컬럼 (체크박스)
  // ----------------------------------------------------------------
  const selectColumn: ColumnDef<ReviewerEvaluationView> = {
    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"
      />
    ),
    enableSorting: false,
    enableHiding: false,
    size: 40,
  }

  // ----------------------------------------------------------------
  // 2) 기본 정보 컬럼들
  // ----------------------------------------------------------------
  const basicColumns: ColumnDef<ReviewerEvaluationView>[] = [
    {
      accessorKey: "evaluationYear",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="평가연도" />
      ),
      cell: ({ row }) => (
        <Badge variant="outline">
          {row.getValue("evaluationYear")}년
        </Badge>
      ),
      size: 80,
    },

    {
      id: "vendorInfo",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="협력업체" />
      ),
      cell: ({ row }) => {
        const vendorName = row.original.vendorName;
        const vendorCode = row.original.vendorCode;
        const domesticForeign = row.original.domesticForeign;

        return (
          <div className="space-y-1">
            <div className="font-medium">{vendorName}</div>
            <div className="text-sm text-muted-foreground">
              {vendorCode} • {domesticForeign === 'DOMESTIC' ? 'D' : 'F'}
            </div>
          </div>
        );
      },
      enableSorting: false,
      size: 200,
    },


    {
      id: "materialType",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="자재구분" />
      ),
      cell: ({ row }) => {
        const materialType = row.original.materialType;
        const material = materialType ==="BULK" ? "벌크" :"장비재"

        return (
          <div className="space-y-1">
            <div className="font-medium">{material}</div>

          </div>
        );
      },
      enableSorting: false,
    },

    {
      id: "division",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="division" />
      ),
      cell: ({ row }) => {
        const division = row.original.division;
        const divisionKR = division === "PLANT"?"해양":"조선";

        return (
          <div className="space-y-1">
            <div className="font-medium">{divisionKR}</div>

          </div>
        );
      },
      enableSorting: false,
    },
  ]

  // ----------------------------------------------------------------
  // 3) 상태 정보 컬럼들
  // ----------------------------------------------------------------
  const statusColumns: ColumnDef<ReviewerEvaluationView>[] = [
    {
      id: "evaluationProgress",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="평가 진행상태" />
      ),
      cell: ({ row }) => {
        const isCompleted = row.original.isCompleted;
        const completedAt = row.original.completedAt;
        const badgeInfo = getProgressBadge(isCompleted, completedAt);

        return (
          <div className="space-y-1">
            <Badge
              variant={badgeInfo.variant}
              className={`flex items-center gap-1 ${badgeInfo.className || ''}`}
            >
              {badgeInfo.icon}
              {badgeInfo.label}
            </Badge>
            {completedAt && (
              <div className="text-xs text-muted-foreground">
                {formatDate(completedAt,"KR")}
              </div>
            )}
          </div>
        );
      },
      size: 130,
    },

    {
      id: "periodicStatus",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="정기평가 상태" />
      ),
      cell: ({ row }) => {
        const status = row.original.periodicStatus;
        const badgeInfo = getPeriodicStatusBadge(status);

        return (
          <Badge
            variant={badgeInfo.variant}
            className={`flex items-center gap-1 ${badgeInfo.className || ''}`}
          >
            {badgeInfo.icon}
            {badgeInfo.label}
          </Badge>
        );
      },
      size: 120,
    },

    // {
    //   id: "submissionInfo",
    //   header: ({ column }) => (
    //     <DataTableColumnHeaderSimple column={column} title="제출정보" />
    //   ),
    //   cell: ({ row }) => {
    //     // const submissionDate = row.original.submittedAt;
    //     const completedAt = row.original.completedAt;

    //     return (
    //       <div className="space-y-1">
    //         <div className="flex items-center gap-1">
    //           <Badge variant={submissionDate ? "default" : "secondary"}>
    //             {submissionDate ? "제출완료" : "미제출"}
    //           </Badge>
    //         </div>

    //         {completedAt && (
    //           <div className="text-xs text-muted-foreground">
    //             평가완료: {formatDate(completedAt, "KR")}
    //           </div>
    //         )}
    //         {/* {submissionDate && (
    //           <div className="text-xs text-muted-foreground">
    //             제출: {formatDate(submissionDate, "KR")}
    //           </div>
    //         )} */}

    //       </div>
    //     );
    //   },
    //   enableSorting: false,
    //   size: 140,
    // },
  ]

  // ----------------------------------------------------------------
  // 4) 점수 및 평가 정보 컬럼들
  // ----------------------------------------------------------------
  const scoreColumns: ColumnDef<ReviewerEvaluationView>[] = [
    {
      id: "periodicScores",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="정기평가 점수" />
      ),
      cell: ({ row }) => {
        const finalScore = row.original.periodicFinalScore;
        const finalGrade = row.original.periodicFinalGrade;
        const evaluationScore = row.original.periodicEvaluationScore;
        const evaluationGrade = row.original.periodicEvaluationGrade;

        return (
          <div className="text-center space-y-1">
            {finalScore && finalGrade ? (
              <div className="space-y-1">
                <div className="font-medium text-blue-600">
                  최종: {parseFloat(finalScore.toString()).toFixed(1)}점
                </div>
                {/* <Badge variant="outline">{finalGrade}</Badge> */}
              </div>
            ) : evaluationScore && evaluationGrade ? (
              <div className="space-y-1">
                <div className="font-medium">
                  {parseFloat(evaluationScore.toString()).toFixed(1)}점
                </div>
                {/* <Badge variant="outline">{evaluationGrade}</Badge> */}
              </div>
            ) : (
              <span className="text-muted-foreground">미산정</span>
            )}
          </div>
        );
      },
      enableSorting: false,
      size: 120,
    },

  ]



  // ----------------------------------------------------------------
  // 6) 메타데이터 컬럼들
  // ----------------------------------------------------------------
  const metaColumns: ColumnDef<ReviewerEvaluationView>[] = [
    {
      accessorKey: "reviewerEvaluationCreatedAt",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="생성일" />
      ),
      cell: ({ row }) => {
        const date = row.getValue("reviewerEvaluationCreatedAt") as Date;
        return formatDate(date, "KR");
      },
      size: 140,
    },
    {
      accessorKey: "reviewerEvaluationUpdatedAt",
      header: ({ column }) => (
        <DataTableColumnHeaderSimple column={column} title="수정일" />
      ),
      cell: ({ row }) => {
        const date = row.getValue("reviewerEvaluationUpdatedAt") as Date;
        return formatDate(date, "KR");
      },
      size: 140,
    },
  ]

  // ----------------------------------------------------------------
  // 7) actions 컬럼 (드롭다운 메뉴)
  // ----------------------------------------------------------------
  const actionsColumn: ColumnDef<ReviewerEvaluationView> = {
    id: "actions",
    header: "작업",
    enableHiding: false,
    cell: function Cell({ row }) {
      const isCompleted = row.original.isCompleted;
      const reviewerEvaluationId = row.original.reviewerEvaluationId;

      return (
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button variant="ghost" size="icon">
              <Ellipsis className="h-4 w-4" />
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end">
            <DropdownMenuItem
              onClick={() => router.push(`/evcp/evaluation-input/${reviewerEvaluationId}`)}
            >
               {isCompleted ? "완료된 평가보기":"평가 작성하기"}
            </DropdownMenuItem>

          </DropdownMenuContent>
        </DropdownMenu>
      )
    },
    size: 80,
  }

  // ----------------------------------------------------------------
  // 8) 최종 컬럼 배열
  // ----------------------------------------------------------------
  return [
    selectColumn,
    ...basicColumns,
    {
      id: "statusInfo",
      header: "상태 정보",
      columns: statusColumns,
    },
    {
      id: "scoreInfo",
      header: "점수 및 평가",
      columns: scoreColumns,
    },

    {
      id: "metadata",
      header: "메타데이터",
      columns: metaColumns,
    },
    actionsColumn,
  ]
}

// ----------------------------------------------------------------
// 9) 컬럼 설정 (필터링용)
// ----------------------------------------------------------------
export const evaluationSubmissionsColumnsConfig = [
  {
    id: "reviewerEvaluationId",
    label: "평가 ID",
    group: "기본 정보",
    type: "text",
    excelHeader: "Evaluation ID",
  },
  {
    id: "vendorName",
    label: "협력업체명",
    group: "기본 정보",
    type: "text",
    excelHeader: "Vendor Name",
  },
  {
    id: "vendorCode",
    label: "협력업체 코드",
    group: "기본 정보",
    type: "text",
    excelHeader: "Vendor Code",
  },
  {
    id: "evaluationYear",
    label: "평가연도",
    group: "기본 정보",
    type: "number",
    excelHeader: "Evaluation Year",
  },
  {
    id: "departmentCode",
    label: "부서코드",
    group: "기본 정보",
    type: "text",
    excelHeader: "Department Code",
  },
  {
    id: "isCompleted",
    label: "완료 여부",
    group: "상태 정보",
    type: "select",
    options: [
      { label: "완료", value: "true" },
      { label: "미완료", value: "false" },
    ],
    excelHeader: "Is Completed",
  },
  {
    id: "periodicStatus",
    label: "정기평가 상태",
    group: "상태 정보",
    type: "select",
    options: [
      { label: "대기중", value: "PENDING" },
      { label: "진행중", value: "IN_PROGRESS" },
      { label: "검토중", value: "REVIEW" },
      { label: "완료", value: "COMPLETED" },
    ],
    excelHeader: "Periodic Status",
  },
  {
    id: "documentsSubmitted",
    label: "문서 제출여부",
    group: "상태 정보",
    type: "select",
    options: [
      { label: "제출완료", value: "true" },
      { label: "미제출", value: "false" },
    ],
    excelHeader: "Documents Submitted",
  },
  {
    id: "periodicFinalScore",
    label: "최종점수",
    group: "점수 정보",
    type: "number",
    excelHeader: "Final Score",
  },
  {
    id: "periodicFinalGrade",
    label: "최종등급",
    group: "점수 정보",
    type: "text",
    excelHeader: "Final Grade",
  },
  {
    id: "reviewerEvaluationCreatedAt",
    label: "생성일",
    group: "메타데이터",
    type: "date",
    excelHeader: "Created At",
  },
  {
    id: "reviewerEvaluationUpdatedAt",
    label: "수정일",
    group: "메타데이터",
    type: "date",
    excelHeader: "Updated At",
  },
] as const;