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path: root/components/data-table/data-table-column-resizable.tsx
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"use client"

import * as React from "react"
import { cn } from "@/lib/utils"
import { type Column } from "@tanstack/react-table"
import { ArrowDown, ArrowUp, ChevronsUpDown } from "lucide-react"

interface DataTableColumnHeaderProps<TData, TValue>
  extends React.HTMLAttributes<HTMLDivElement> {
  column: Column<TData, TValue>
  title: string
}

export function DataTableColumnHeaderResizable<TData, TValue>({
  column,
  title,
  className,
}: DataTableColumnHeaderProps<TData, TValue>) {
  // 정렬 상태: "asc" | "desc" | false
  const sorted = column.getIsSorted()
  
  // 아이콘 결정
  let icon = <ChevronsUpDown className="ml-1 size-4" aria-hidden="true" />
  if (sorted === "asc") {
    icon = <ArrowUp className="ml-1 size-4" aria-hidden="true" />
  } else if (sorted === "desc") {
    icon = <ArrowDown className="ml-1 size-4" aria-hidden="true" />
  }

  // 클릭 핸들러: 무정렬 → asc → desc → 무정렬
  function handleClick() {
    if (!sorted) {
      // 현재 무정렬 → asc
      column.toggleSorting(false)
    } else if (sorted === "asc") {
      // asc → desc
      column.toggleSorting(true)
    } else {
      // desc → 무정렬
      column.toggleSorting(false)
    }
  }

  return (
    <div className={cn("relative flex items-center", className)}>
      <div
        onClick={handleClick}
        className={cn(
          "flex cursor-pointer select-none items-center gap-1"
        )}
      >
        <span>{title}</span>
        {column.getCanSort() && icon}
      </div>
    </div>
  )
}