"use client"

import * as React from "react"
import {
  ColumnDef,
  flexRender,
  getCoreRowModel,
  useReactTable,
  getPaginationRowModel,
  SortingState,
  getSortedRowModel,
  getFilteredRowModel,
  RowSelectionState,
} from "@tanstack/react-table"

import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/shared/components/ui/table"
import { Button } from "@/shared/components/ui/button"
import { ChevronLeft, ChevronRight } from "lucide-react"

interface DataTableProps<TData, TValue> {
  columns: ColumnDef<TData, TValue>[]
  data: TData[]
}

export function ExamDataTable<TData, TValue>({ columns, data }: DataTableProps<TData, TValue>) {
  const [sorting, setSorting] = React.useState<SortingState>([])
  const [rowSelection, setRowSelection] = React.useState<RowSelectionState>({})

  const table = useReactTable({
    data,
    columns,
    getCoreRowModel: getCoreRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
    onSortingChange: setSorting,
    getSortedRowModel: getSortedRowModel(),
    onRowSelectionChange: setRowSelection,
    getFilteredRowModel: getFilteredRowModel(),
    state: {
      sorting,
      rowSelection,
    },
  })

  return (
    <div className="space-y-4">
      <div className="rounded-md border">
        <Table>
          <TableHeader className="bg-muted/40">
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id}>
                {headerGroup.headers.map((header) => {
                  return (
                    <TableHead key={header.id}>
                      {header.isPlaceholder
                        ? null
                        : flexRender(header.column.columnDef.header, header.getContext())}
                    </TableHead>
                  )
                })}
              </TableRow>
            ))}
          </TableHeader>
          <TableBody>
            {table.getRowModel().rows?.length ? (
              table.getRowModel().rows.map((row) => (
                <TableRow key={row.id} data-state={row.getIsSelected() && "selected"}>
                  {row.getVisibleCells().map((cell) => (
                    <TableCell key={cell.id}>
                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : (
              <TableRow>
                <TableCell colSpan={columns.length} className="h-24 text-center">
                  No results.
                </TableCell>
              </TableRow>
            )}
          </TableBody>
        </Table>
      </div>
      <div className="flex items-center justify-between px-2 py-4">
        <div className="flex-1 text-sm text-muted-foreground">
          {table.getFilteredSelectedRowModel().rows.length} of {table.getFilteredRowModel().rows.length} row(s)
          selected.
        </div>
        <div className="flex items-center space-x-6 lg:space-x-8">
          <div className="flex items-center space-x-2">
            <p className="text-sm font-medium">Page</p>
            <span className="text-sm font-medium">
              {table.getState().pagination.pageIndex + 1} of {table.getPageCount()}
            </span>
          </div>
          <div className="flex items-center space-x-2">
            <Button
              variant="outline"
              className="h-8 w-8 p-0"
              onClick={() => table.previousPage()}
              disabled={!table.getCanPreviousPage()}
            >
              <span className="sr-only">Go to previous page</span>
              <ChevronLeft className="h-4 w-4" />
            </Button>
            <Button
              variant="outline"
              className="h-8 w-8 p-0"
              onClick={() => table.nextPage()}
              disabled={!table.getCanNextPage()}
            >
              <span className="sr-only">Go to next page</span>
              <ChevronRight className="h-4 w-4" />
            </Button>
          </div>
        </div>
      </div>
    </div>
  )
}

