All files / src/components/features/admin/AdminPagination index.tsx

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"use client";

import { useMemo } from "react";
import { Button } from "@/components/ui";
import { Icon } from "@/components/ui/icons";

interface AdminPaginationProps {
  page: number;
  pageSize: number;
  total: number;
  onPageChange: (page: number) => void;
  onPageSizeChange: (size: number) => void;
  pageSizeOptions?: number[];
  className?: string;
}

export const AdminPagination: React.FC<AdminPaginationProps> = ({
  page,
  pageSize,
  total,
  onPageChange,
  onPageSizeChange,
  pageSizeOptions = [10, 20, 50, 100],
  className = "",
}) => {
  const totalPages = Math.ceil(total / pageSize);
  const startItem = total === 0 ? 0 : (page - 1) * pageSize + 1;
  const endItem = Math.min(page * pageSize, total);

  // Generate page numbers with ellipsis
  const getPaginationRange = useMemo(() => {
    const delta = 1; // Pages to show on each side of current
    const range: (number | string)[] = [];

    // Always show first page
    range.push(1);

    // Calculate start and end of middle range
    const rangeStart = Math.max(2, page - delta);
    const rangeEnd = Math.min(totalPages - 1, page + delta);

    // Add ellipsis after first page if needed
    if (rangeStart > 2) {
      range.push("...");
    }

    // Add middle pages
    for (let i = rangeStart; i <= rangeEnd; i++) {
      range.push(i);
    }

    // Add ellipsis before last page if needed
    if (rangeEnd < totalPages - 1) {
      range.push("...");
    }

    // Always show last page if more than 1 page
    if (totalPages > 1) {
      range.push(totalPages);
    }

    return range;
  }, [page, totalPages]);

  if (total === 0) {
    return null;
  }

  return (
    <div className={`flex flex-col sm:flex-row items-center justify-between gap-4 ${className}`}>
      {/* Results info and page size selector */}
      <div className="flex items-center gap-4 text-sm text-gray-600 dark:text-gray-400">
        <span>
          Showing {startItem}-{endItem} of {total} items
        </span>
        <div className="flex items-center gap-2">
          <label htmlFor="adminPageSize" className="text-gray-600 dark:text-gray-400">
            Show:
          </label>
          <select
            id="adminPageSize"
            value={pageSize}
            onChange={(e) => onPageSizeChange(Number(e.target.value))}
            className="bg-white dark:bg-gray-800 border border-gray-300 dark:border-gray-600 rounded-md px-2 py-1 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500 dark:text-gray-200"
          >
            {pageSizeOptions.map((size) => (
              <option key={size} value={size}>
                {size}
              </option>
            ))}
          </select>
        </div>
      </div>

      {/* Pagination controls */}
      {totalPages > 1 && (
        <nav aria-label="Pagination">
          <ul className="flex items-center gap-1" role="list">
            {/* Previous button */}
            <li>
              <Button
                onClick={() => onPageChange(Math.max(1, page - 1))}
                disabled={page === 1}
                aria-label="Go to previous page"
                type="button"
                variant="ghost"
                size="sm"
                className="w-9 h-9 rounded-md"
              >
                <Icon name="chevron-left" className="fill-current" size={18} aria-hidden="true" />
              </Button>
            </li>

            {/* Page numbers with ellipsis */}
            {getPaginationRange.map((item, index) => (
              <li key={index}>
                {item === "..." ? (
                  <span className="px-2 py-1 text-gray-500 dark:text-gray-400">...</span>
                ) : (
                  <Button
                    onClick={() => onPageChange(item as number)}
                    variant={page === item ? "primary" : "ghost"}
                    size="sm"
                    className={`w-9 h-9 rounded-md ${page === item ? "" : "hover:bg-gray-100 dark:hover:bg-gray-700"}`}
                    aria-label={`Page ${item}${page === item ? ", current page" : ""}`}
                    aria-current={page === item ? "page" : undefined}
                  >
                    {item}
                  </Button>
                )}
              </li>
            ))}

            {/* Next button */}
            <li>
              <Button
                onClick={() => onPageChange(Math.min(totalPages, page + 1))}
                disabled={page === totalPages}
                aria-label="Go to next page"
                type="button"
                variant="ghost"
                size="sm"
                className="w-9 h-9 rounded-md"
              >
                <Icon name="chevron-right" className="fill-current" size={18} aria-hidden="true" />
              </Button>
            </li>
          </ul>
        </nav>
      )}
    </div>
  );
};

export default AdminPagination;