"use client"

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

import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table"
import { Button } from "@/components/ui/button"
import { Input } from "@/components/ui/input"

interface DataTableProps<TData, TValue> {
  columns: ColumnDef<TData, TValue>[]
  data: TData[]
  searchKey?: string
  searchPlaceholder?: string
}

export function DataTable<TData, TValue>({
  columns,
  data,
  searchKey,
  searchPlaceholder = "جستجو...",
}: DataTableProps<TData, TValue>) {
  const [sorting, setSorting] = React.useState<SortingState>([])
  const [columnFilters, setColumnFilters] = React.useState<ColumnFiltersState>(
    []
  )

  const table = useReactTable({
    data,
    columns,
    getCoreRowModel: getCoreRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
    onSortingChange: setSorting,
    getSortedRowModel: getSortedRowModel(),
    onColumnFiltersChange: setColumnFilters,
    getFilteredRowModel: getFilteredRowModel(),
    state: {
      sorting,
      columnFilters,
    },
  })

  return (
    <div className="space-y-4">
      {searchKey && (
        <div className="flex items-center">
          <Input
            placeholder={searchPlaceholder}
            value={(table.getColumn(searchKey)?.getFilterValue() as string) ?? ""}
            onChange={(event) =>
              table.getColumn(searchKey)?.setFilterValue(event.target.value)
            }
            className="max-w-sm"
          />
        </div>
      )}
      <div className="rounded-md border bg-card overflow-hidden shadow-sm">
        <Table>
          <TableHeader className="bg-muted/50">
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id}>
                {headerGroup.headers.map((header) => {
                  return (
                    <TableHead key={header.id} className="font-bold text-right text-muted-foreground whitespace-nowrap">
                      {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"}
                  className="hover:bg-muted/20"
                >
                  {row.getVisibleCells().map((cell) => (
                    <TableCell key={cell.id} className="py-2 px-4 whitespace-nowrap">
                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : (
              <TableRow>
                <TableCell colSpan={columns.length} className="h-24 text-center text-muted-foreground">
                  هیچ داده‌ای یافت نشد.
                </TableCell>
              </TableRow>
            )}
          </TableBody>
        </Table>
      </div>
      <div className="flex items-center justify-end space-x-2 space-x-reverse py-4">
        <Button
          variant="outline"
          size="sm"
          onClick={() => table.previousPage()}
          disabled={!table.getCanPreviousPage()}
        >
          قبلی
        </Button>
        <div className="text-sm text-muted-foreground mx-2 font-sans font-bold">
           {table.getState().pagination.pageIndex + 1} / {table.getPageCount()}
        </div>
        <Button
          variant="outline"
          size="sm"
          onClick={() => table.nextPage()}
          disabled={!table.getCanNextPage()}
        >
          بعدی
        </Button>
      </div>
    </div>
  )
}