"use client";

import {
  ColumnDef,
  flexRender,
  getCoreRowModel,
  useReactTable,
  getSortedRowModel,
  SortingState,
} from "@tanstack/react-table";
import { useState } from "react";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { ArrowUpDown, ArrowUp, ArrowDown } from "lucide-react";

interface DrawingListTableProps<TData, TValue> {
  columns: ColumnDef<TData, TValue>[];
  data: TData[];
  onRowClick?: (row: TData) => void;
  selectedRow?: TData;
  getRowId?: (row: TData) => string;
}

export function DrawingListTable<TData, TValue>({
  columns,
  data,
  onRowClick,
  selectedRow,
  getRowId,
}: DrawingListTableProps<TData, TValue>) {
  const [sorting, setSorting] = useState<SortingState>([]);

  const table = useReactTable({
    data,
    columns,
    getCoreRowModel: getCoreRowModel(),
    getSortedRowModel: getSortedRowModel(),
    onSortingChange: setSorting,
    state: {
      sorting,
    },
  });

  // 행이 선택되었는지 확인하는 함수
  const isRowSelected = (row: TData): boolean => {
    if (!selectedRow || !getRowId) return false;
    return getRowId(row) === getRowId(selectedRow);
  };

  return (
    <div className="rounded-md border overflow-x-auto max-w-full max-h-[600px] overflow-y-auto">
      <Table className="min-w-max">
        <TableHeader className="sticky top-0 z-10 bg-background">
          {table.getHeaderGroups().map((headerGroup) => (
            <TableRow key={headerGroup.id}>
              {headerGroup.headers.map((header) => {
                const isSorted = header.column.getIsSorted();
                const canSort = header.column.getCanSort();
                
                return (
                  <TableHead 
                    key={header.id}
                    style={{ minWidth: header.column.columnDef.minSize }}
                    className="bg-background"
                  >
                    {header.isPlaceholder ? null : (
                      <div
                        className={`flex items-center gap-2 ${
                          canSort ? "cursor-pointer select-none hover:text-primary" : ""
                        }`}
                        onClick={
                          canSort
                            ? header.column.getToggleSortingHandler()
                            : undefined
                        }
                      >
                        {flexRender(
                          header.column.columnDef.header,
                          header.getContext()
                        )}
                        {canSort && (
                          <span className="text-muted-foreground">
                            {isSorted === "asc" ? (
                              <ArrowUp className="h-4 w-4" />
                            ) : isSorted === "desc" ? (
                              <ArrowDown className="h-4 w-4" />
                            ) : (
                              <ArrowUpDown className="h-4 w-4 opacity-50" />
                            )}
                          </span>
                        )}
                      </div>
                    )}
                  </TableHead>
                );
              })}
            </TableRow>
          ))}
        </TableHeader>
        <TableBody>
          {table.getRowModel().rows?.length ? (
            table.getRowModel().rows.map((row) => {
              const isSelected = isRowSelected(row.original);
              return (
                <TableRow
                  key={row.id}
                  data-state={row.getIsSelected() && "selected"}
                  onClick={() => onRowClick?.(row.original)}
                  className={`cursor-pointer transition-colors ${
                    isSelected
                      ? "bg-accent hover:bg-accent"
                      : "hover:bg-muted/50"
                  }`}
                >
                  {row.getVisibleCells().map((cell) => (
                    <TableCell 
                      key={cell.id}
                      style={{ minWidth: cell.column.columnDef.minSize }}
                    >
                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
                    </TableCell>
                  ))}
                </TableRow>
              );
            })
          ) : (
            <TableRow>
              <TableCell colSpan={columns.length} className="h-24 text-center">
                데이터가 없습니다.
              </TableCell>
            </TableRow>
          )}
        </TableBody>
      </Table>
    </div>
  );
}