Table

"use client";

import { usePagination } from "@/components/hooks/use-pagination";
import { cn } from "@/lib/utils";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import {
  Pagination,
  PaginationContent,
  PaginationEllipsis,
  PaginationItem,
} from "@/components/ui/pagination";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import {
  ColumnDef,
  PaginationState,
  SortingState,
  flexRender,
  getCoreRowModel,
  getPaginationRowModel,
  getSortedRowModel,
  useReactTable,
} from "@tanstack/react-table";
import { ChevronDown, ChevronLeft, ChevronRight, ChevronUp } from "lucide-react";
import { useEffect, useState } from "react";

type Item = {
  id: string;
  name: string;
  email: string;
  location: string;
  flag: string;
  status: "Active" | "Inactive" | "Pending";
  balance: number;
};

const columns: ColumnDef<Item>[] = [
  {
    id: "select",
    header: ({ table }) => (
      <Checkbox
        checked={
          table.getIsAllPageRowsSelected() || (table.getIsSomePageRowsSelected() && "indeterminate")
        }
        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
        aria-label="Select all rows"
      />
    ),
    cell: ({ row }) => (
      <Checkbox
        checked={row.getIsSelected()}
        onCheckedChange={(value) => row.toggleSelected(!!value)}
        aria-label="Select row"
      />
    ),
    size: 28,
    enableSorting: false,
  },
  {
    header: "Name",
    accessorKey: "name",
    cell: ({ row }) => <div className="font-medium">{row.getValue("name")}</div>,
    size: 180,
  },
  {
    header: "Email",
    accessorKey: "email",
    size: 200,
  },
  {
    header: "Location",
    accessorKey: "location",
    cell: ({ row }) => (
      <div>
        <span className="text-lg leading-none">{row.original.flag}</span> {row.getValue("location")}
      </div>
    ),
    size: 180,
  },
  {
    header: "Status",
    accessorKey: "status",
    cell: ({ row }) => (
      <Badge
        className={cn(
          row.getValue("status") === "Inactive" && "bg-muted-foreground/60 text-primary-foreground",
        )}
      >
        {row.getValue("status")}
      </Badge>
    ),
    size: 120,
  },
  {
    header: "Balance",
    accessorKey: "balance",
    cell: ({ row }) => {
      const amount = parseFloat(row.getValue("balance"));
      const formatted = new Intl.NumberFormat("en-US", {
        style: "currency",
        currency: "USD",
      }).format(amount);
      return formatted;
    },
    size: 120,
  },
];

export default function Component() {
  const pageSize = 5;

  const [pagination, setPagination] = useState<PaginationState>({
    pageIndex: 0,
    pageSize: pageSize,
  });

  const [sorting, setSorting] = useState<SortingState>([
    {
      id: "name",
      desc: false,
    },
  ]);

  const [data, setData] = useState<Item[]>([]);
  useEffect(() => {
    async function fetchPosts() {
      const res = await fetch(
        "https://res.cloudinary.com/dlzlfasou/raw/upload/users-01_fertyx.json",
      );
      const data = await res.json();
      setData(data);
    }
    fetchPosts();
  }, []);

  const table = useReactTable({
    data,
    columns,
    getCoreRowModel: getCoreRowModel(),
    getSortedRowModel: getSortedRowModel(),
    onSortingChange: setSorting,
    enableSortingRemoval: false,
    getPaginationRowModel: getPaginationRowModel(),
    onPaginationChange: setPagination,
    state: {
      sorting,
      pagination,
    },
  });

  const { pages, showLeftEllipsis, showRightEllipsis } = usePagination({
    currentPage: table.getState().pagination.pageIndex + 1,
    totalPages: table.getPageCount(),
    paginationItemsToDisplay: 5,
  });

  return (
    <div className="space-y-4">
      <div className="overflow-hidden rounded-lg border border-border bg-background">
        <Table className="table-fixed">
          <TableHeader>
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id} className="hover:bg-transparent">
                {headerGroup.headers.map((header) => {
                  return (
                    <TableHead
                      key={header.id}
                      style={{ width: `${header.getSize()}px` }}
                      className="h-11"
                    >
                      {header.isPlaceholder ? null : header.column.getCanSort() ? (
                        <div
                          className={cn(
                            header.column.getCanSort() &&
                              "flex h-full cursor-pointer select-none items-center justify-between gap-2",
                          )}
                          onClick={header.column.getToggleSortingHandler()}
                          onKeyDown={(e) => {
                            // Enhanced keyboard handling for sorting
                            if (
                              header.column.getCanSort() &&
                              (e.key === "Enter" || e.key === " ")
                            ) {
                              e.preventDefault();
                              header.column.getToggleSortingHandler()?.(e);
                            }
                          }}
                          tabIndex={header.column.getCanSort() ? 0 : undefined}
                        >
                          {flexRender(header.column.columnDef.header, header.getContext())}
                          {{
                            asc: (
                              <ChevronUp
                                className="shrink-0 opacity-60"
                                size={16}
                                strokeWidth={2}
                                aria-hidden="true"
                              />
                            ),
                            desc: (
                              <ChevronDown
                                className="shrink-0 opacity-60"
                                size={16}
                                strokeWidth={2}
                                aria-hidden="true"
                              />
                            ),
                          }[header.column.getIsSorted() as string] ?? null}
                        </div>
                      ) : (
                        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>

      {/* Pagination */}
      <div className="flex items-center justify-between gap-3 max-sm:flex-col">
        {/* Page number information */}
        <p className="flex-1 whitespace-nowrap text-sm text-muted-foreground" aria-live="polite">
          Page <span className="text-foreground">{table.getState().pagination.pageIndex + 1}</span>{" "}
          of <span className="text-foreground">{table.getPageCount()}</span>
        </p>

        {/* Pagination buttons */}
        <div className="grow">
          <Pagination>
            <PaginationContent>
              {/* Previous page button */}
              <PaginationItem>
                <Button
                  size="icon"
                  variant="outline"
                  className="disabled:pointer-events-none disabled:opacity-50"
                  onClick={() => table.previousPage()}
                  disabled={!table.getCanPreviousPage()}
                  aria-label="Go to previous page"
                >
                  <ChevronLeft size={16} strokeWidth={2} aria-hidden="true" />
                </Button>
              </PaginationItem>

              {/* Left ellipsis (...) */}
              {showLeftEllipsis && (
                <PaginationItem>
                  <PaginationEllipsis />
                </PaginationItem>
              )}

              {/* Page number buttons */}
              {pages.map((page) => {
                const isActive = page === table.getState().pagination.pageIndex + 1;
                return (
                  <PaginationItem key={page}>
                    <Button
                      size="icon"
                      variant={`${isActive ? "outline" : "ghost"}`}
                      onClick={() => table.setPageIndex(page - 1)}
                      aria-current={isActive ? "page" : undefined}
                    >
                      {page}
                    </Button>
                  </PaginationItem>
                );
              })}

              {/* Right ellipsis (...) */}
              {showRightEllipsis && (
                <PaginationItem>
                  <PaginationEllipsis />
                </PaginationItem>
              )}

              {/* Next page button */}
              <PaginationItem>
                <Button
                  size="icon"
                  variant="outline"
                  className="disabled:pointer-events-none disabled:opacity-50"
                  onClick={() => table.nextPage()}
                  disabled={!table.getCanNextPage()}
                  aria-label="Go to next page"
                >
                  <ChevronRight size={16} strokeWidth={2} aria-hidden="true" />
                </Button>
              </PaginationItem>
            </PaginationContent>
          </Pagination>
        </div>

        {/* Results per page */}
        <div className="flex flex-1 justify-end">
          <Select
            value={table.getState().pagination.pageSize.toString()}
            onValueChange={(value) => {
              table.setPageSize(Number(value));
            }}
            aria-label="Results per page"
          >
            <SelectTrigger id="results-per-page" className="w-fit whitespace-nowrap">
              <SelectValue placeholder="Select number of results" />
            </SelectTrigger>
            <SelectContent>
              {[5, 10, 25, 50].map((pageSize) => (
                <SelectItem key={pageSize} value={pageSize.toString()}>
                  {pageSize} / page
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
        </div>
      </div>
      <p className="mt-4 text-center text-sm text-muted-foreground">
        Numeric pagination made with{" "}
        <a
          className="underline hover:text-foreground"
          href="https://tanstack.com/table"
          target="_blank"
          rel="noopener noreferrer"
        >
          TanStack Table
        </a>
      </p>
    </div>
  );
}

export { Component }