"use client";

import {
  type ColumnDef,
  type PaginationState,
  flexRender,
  getCoreRowModel,
  useReactTable,
} from "@tanstack/react-table";

import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@kandev/ui/table";
import { DataTablePagination } from "./data-table-pagination";

interface DataTableProps<TData, TValue> {
  columns: ColumnDef<TData, TValue>[];
  data: TData[];
  pageCount?: number;
  rowCount?: number;
  pagination?: PaginationState;
  onPaginationChange?: (pagination: PaginationState) => void;
  isLoading?: boolean;
  onRowClick?: (row: TData) => void;
}

export function DataTable<TData, TValue>({
  columns,
  data,
  pageCount = -1,
  rowCount,
  pagination,
  onPaginationChange,
  isLoading = false,
  onRowClick,
}: DataTableProps<TData, TValue>) {
  // eslint-disable-next-line react-hooks/incompatible-library -- TanStack Table's API is designed this way
  const table = useReactTable({
    data,
    columns,
    pageCount,
    rowCount,
    state: {
      pagination,
    },
    onPaginationChange: onPaginationChange
      ? (updater) => {
          const newPagination = typeof updater === "function" ? updater(pagination!) : updater;
          onPaginationChange(newPagination);
        }
      : undefined,
    getCoreRowModel: getCoreRowModel(),
    manualPagination: true,
  });

  return (
    <div className="space-y-4">
      <div className="rounded-md border">
        <Table>
          <TableHeader>
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id}>
                {headerGroup.headers.map((header) => (
                  <TableHead key={header.id}>
                    {header.isPlaceholder
                      ? null
                      : flexRender(header.column.columnDef.header, header.getContext())}
                  </TableHead>
                ))}
              </TableRow>
            ))}
          </TableHeader>
          <TableBody>
            {(() => {
              if (isLoading) {
                return (
                  <TableRow>
                    <TableCell colSpan={columns.length} className="h-24 text-center">
                      Loading...
                    </TableCell>
                  </TableRow>
                );
              }
              if (table.getRowModel().rows?.length) {
                return table.getRowModel().rows.map((row) => (
                  <TableRow
                    key={row.id}
                    data-state={row.getIsSelected() && "selected"}
                    className={onRowClick ? "cursor-pointer hover:bg-muted/50" : undefined}
                    onClick={() => onRowClick?.(row.original)}
                  >
                    {row.getVisibleCells().map((cell) => (
                      <TableCell key={cell.id}>
                        {flexRender(cell.column.columnDef.cell, cell.getContext())}
                      </TableCell>
                    ))}
                  </TableRow>
                ));
              }
              return (
                <TableRow>
                  <TableCell colSpan={columns.length} className="h-24 text-center">
                    No results.
                  </TableCell>
                </TableRow>
              );
            })()}
          </TableBody>
        </Table>
      </div>
      {pagination && onPaginationChange && <DataTablePagination table={table} />}
    </div>
  );
}