// components/purchase-requests/purchase-request-columns.tsx
"use client";

import { type ColumnDef } from "@tanstack/react-table";
import { Checkbox } from "@/components/ui/checkbox";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import {
    Eye,
    Edit,
    Trash2,
    CheckCircle,
    XCircle,
    FileText,
    Package,
    Send,
    Clock
} from "lucide-react";
import {
    DropdownMenu,
    DropdownMenuContent,
    DropdownMenuItem,
    DropdownMenuLabel,
    DropdownMenuSeparator,
    DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { MoreHorizontal } from "lucide-react";
import { DataTableColumnHeaderSimple } from "@/components/data-table/data-table-column-simple-header";
import { format } from "date-fns";
import { ko } from "date-fns/locale";
import type { DataTableRowAction } from "@/types/table";
import type { PurchaseRequestView } from "@/db/schema";

interface GetColumnsProps {
    setRowAction: React.Dispatch<React.SetStateAction<DataTableRowAction<PurchaseRequestView> | null>>;
}

const statusConfig = {
    "작성중": {
        label: "작성중",
        variant: "secondary" as const,
        icon: Edit,
        color: "text-gray-500"
    },
    "요청완료": {
        label: "요청완료",
        variant: "default" as const,
        icon: Send,
        color: "text-blue-500"
    },
    "검토중": {
        label: "검토중",
        variant: "warning" as const,
        icon: Clock,
        color: "text-yellow-500"
    },
    "승인": {
        label: "승인",
        variant: "success" as const,
        icon: CheckCircle,
        color: "text-green-500"
    },
    "반려": {
        label: "반려",
        variant: "destructive" as const,
        icon: XCircle,
        color: "text-red-500"
    },
    "RFQ생성완료": {
        label: "RFQ생성완료",
        variant: "outline" as const,
        icon: FileText,
        color: "text-purple-500"
    },
};

export function getPurchaseRequestColumns({
    setRowAction
}: GetColumnsProps): ColumnDef<PurchaseRequestView>[] {
    return [
        {
            id: "select",
            header: ({ table }) => (
                <Checkbox
                    checked={
                        table.getIsAllPageRowsSelected() ||
                        (table.getIsSomePageRowsSelected() && "indeterminate")
                    }
                    onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
                    aria-label="Select all"
                />
            ),
            cell: ({ row }) => (
                <Checkbox
                    checked={row.getIsSelected()}
                    onCheckedChange={(value) => row.toggleSelected(!!value)}
                    aria-label="Select row"
                />
            ),
            enableSorting: false,
            enableHiding: false,
            size: 40,
        },
        {
            accessorKey: "requestCode",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="요청번호" />
            ),
            cell: ({ row }) => (
                <Button
                    variant="ghost"
                    className="h-auto p-0 font-mono font-medium text-primary hover:underline"
                    onClick={() => setRowAction({ row, type: "view" })}
                >
                    {row.getValue("requestCode")}
                </Button>
            ),
            size: 130,
        },
        {
            accessorKey: "status",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="상태" />
            ),
            cell: ({ row }) => {
                const status = row.getValue("status") as keyof typeof statusConfig;
                const config = statusConfig[status];
                const Icon = config?.icon;

                return (
                    <Badge variant={config?.variant} className="font-medium">
                        {Icon && <Icon className={`mr-1 h-3 w-3 ${config.color}`} />}
                        {config?.label || status}
                    </Badge>
                );
            },
            filterFn: (row, id, value) => {
                return value.includes(row.getValue(id));
            },
            size: 120,
        },
        {
            accessorKey: "requestTitle",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="요청제목" />
            ),
            cell: ({ row }) => (
                <div className="max-w-[300px]">
                    <div className="truncate font-medium" title={row.getValue("requestTitle")}>
                        {row.getValue("requestTitle")}
                    </div>
                    {row.original.requestDescription && (
                        <div className="truncate text-xs text-muted-foreground mt-0.5"
                            title={row.original.requestDescription}>
                            {row.original.requestDescription}
                        </div>
                    )}
                </div>
            ),
            maxSize: 300,
        },
        {
            accessorKey: "projectName",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="프로젝트" />
            ),
            cell: ({ row }) => (
                <div className="flex flex-col space-y-0.5">
                    {row.original.projectCode && (
                        <span className="font-mono text-xs text-muted-foreground">
                            {row.original.projectCode}
                        </span>
                    )}
                    <span className="truncate text-sm" title={row.original.projectName}>
                        {row.original.projectName || "-"}
                    </span>
                </div>
            ),
            size: 180,
        },
        {
            accessorKey: "packageName",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="패키지" />
            ),
            cell: ({ row }) => (
                <div className="flex flex-col space-y-0.5">
                    {row.original.packageNo && (
                        <span className="font-mono text-xs text-muted-foreground">
                            {row.original.packageNo}
                        </span>
                    )}
                    <span className="truncate text-sm" title={row.original.packageName}>
                        {row.original.packageName || "-"}
                    </span>
                </div>
            ),
            size: 150,
        },
        {
            id: "attachments",
            header: "첨부",
            cell: ({ row }) => {
                const count = Number(row.original.attachmentCount) || 0;
                return count > 0 ? (
                    <Button
                        variant="ghost"
                        size="sm"
                        className="h-8 px-2"
                        onClick={() => setRowAction({ row, type: "attachments" })}
                    >
                        <FileText className="h-4 w-4 mr-1" />
                        {count}
                    </Button>
                ) : (
                    <span className="text-muted-foreground text-sm">-</span>
                );
            },
            size: 70,
        },
        {
            id: "items",
            header: "품목",
            cell: ({ row }) => {
                const count = row.original.itemCount || 0;
                const totalQuantity = row.original.totalQuantity;
                return count > 0 ? (
                    <Button
                        variant="ghost"
                        size="sm"
                        className="h-8 px-2"
                        onClick={() => setRowAction({ row, type: "items" })}
                    >
                        <Package className="h-4 w-4 mr-1" />
                        <div className="flex flex-col items-start">
                            <span>{count}종</span>
                            {totalQuantity && (
                                <span className="text-xs text-muted-foreground">
                                    총 {totalQuantity}개
                                </span>
                            )}
                        </div>
                    </Button>
                ) : (
                    <span className="text-muted-foreground text-sm">-</span>
                );
            },
            size: 90,
        },
        {
            accessorKey: "engPicName",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="설계담당" />
            ),
            cell: ({ row }) => (
                <div className="text-sm">
                    {row.getValue("engPicName") || "-"}
                </div>
            ),
            size: 100,
        },
        {
            accessorKey: "purchasePicName",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="구매담당" />
            ),
            cell: ({ row }) => (
                <div className="text-sm">
                    {row.getValue("purchasePicName") || "-"}
                </div>
            ),
            size: 100,
        },
        {
            accessorKey: "estimatedBudget",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="예상예산" />
            ),
            cell: ({ row }) => (
                <div className="text-sm font-mono">
                    {row.getValue("estimatedBudget") || "-"}
                </div>
            ),
            size: 100,
        },
        {
            accessorKey: "requestedDeliveryDate",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="희망납기" />
            ),
            cell: ({ row }) => {
                const date = row.getValue("requestedDeliveryDate") as Date | null;
                return (
                    <div className="text-sm">
                        {date ? format(new Date(date), "yyyy-MM-dd", { locale: ko }) : "-"}
                    </div>
                );
            },
            size: 100,
        },
        {
            accessorKey: "createdAt",
            header: ({ column }) => (
                <DataTableColumnHeaderSimple column={column} title="등록일" />
            ),
            cell: ({ row }) => {
                const date = row.getValue("createdAt") as Date;
                return (
                    <div className="text-sm text-muted-foreground">
                        {date ? format(new Date(date), "yyyy-MM-dd", { locale: ko }) : "-"}
                    </div>
                );
            },
            size: 100,
        },
        {
            id: "actions",
            header: "작업",
            cell: ({ row }) => {
                const status = row.original.status;

                return (
                    <DropdownMenu>
                        <DropdownMenuTrigger asChild>
                            <Button variant="ghost" className="h-8 w-8 p-0">
                                <span className="sr-only">메뉴 열기</span>
                                <MoreHorizontal className="h-4 w-4" />
                            </Button>
                        </DropdownMenuTrigger>
                        <DropdownMenuContent align="end">
                            <DropdownMenuLabel>작업</DropdownMenuLabel>
                            <DropdownMenuItem
                                onClick={() => setRowAction({ row, type: "view" })}
                            >
                                <Eye className="mr-2 h-4 w-4" />
                                상세보기
                            </DropdownMenuItem>
                            <DropdownMenuSeparator />



                            <DropdownMenuItem
                                onClick={() => setRowAction({ row, type: "update" })}
                            >
                                <Edit className="mr-2 h-4 w-4" />
                                수정
                            </DropdownMenuItem>
                            <DropdownMenuItem
                                onClick={() => setRowAction({ row, type: "delete" })}
                                className="text-destructive"
                            >
                                <Trash2 className="mr-2 h-4 w-4" />
                                삭제
                            </DropdownMenuItem>




{status ==="작성중" && 
<>
                            <DropdownMenuSeparator />
                            <DropdownMenuItem
                                onClick={() => setRowAction({ row, type: "createRfq" })}
                                className="text-primary"
                            >
                                <FileText className="mr-2 h-4 w-4" />
                                RFQ 생성
                            </DropdownMenuItem>
                            </>
                        }

                        </DropdownMenuContent>
                    </DropdownMenu>

                );
            },
            size: 80,
        },
    ];
}