'use client';

import * as React from 'react';
import { ChevronLeftIcon, ChevronRightIcon, MoreHorizontalIcon } from '@/icons';

import { cn } from '@/lib/utils';
import { buttonVariants, type ButtonProps } from '@/components/button/button';

export type PaginationProps = React.ComponentProps<'nav'>;
export type PaginationLinkProps = {
  isActive?: boolean;
} & Pick<ButtonProps, 'size'> &
  React.ComponentProps<'a'>;

/**
 * Page navigation.
 *
 * Renders real anchors so pages stay linkable and open-in-new-tab works. Wire
 * each link to a route or query string rather than a click handler.
 */
function Pagination({ className, ...props }: PaginationProps) {
  return (
    <nav
      role="navigation"
      aria-label="pagination"
      data-slot="pagination"
      className={cn('mx-auto flex w-full justify-center', className)}
      {...props}
    />
  );
}

function PaginationContent({ className, ...props }: React.ComponentProps<'ul'>) {
  return (
    <ul
      data-slot="pagination-content"
      className={cn('flex flex-row items-center gap-1', className)}
      {...props}
    />
  );
}

function PaginationItem(props: React.ComponentProps<'li'>) {
  return <li data-slot="pagination-item" {...props} />;
}

function PaginationLink({ className, isActive, size = 'icon', ...props }: PaginationLinkProps) {
  return (
    <a
      aria-current={isActive ? 'page' : undefined}
      data-slot="pagination-link"
      data-active={isActive}
      className={cn(
        buttonVariants({ variant: isActive ? 'outline' : 'ghost', size }),
        className
      )}
      {...props}
    />
  );
}

function PaginationPrevious({ className, ...props }: PaginationLinkProps) {
  return (
    <PaginationLink
      aria-label="Go to previous page"
      size="md"
      className={cn('gap-1 px-2.5 sm:pl-2.5', className)}
      {...props}
    >
      <ChevronLeftIcon />
      <span className="hidden sm:block">Previous</span>
    </PaginationLink>
  );
}

function PaginationNext({ className, ...props }: PaginationLinkProps) {
  return (
    <PaginationLink
      aria-label="Go to next page"
      size="md"
      className={cn('gap-1 px-2.5 sm:pr-2.5', className)}
      {...props}
    >
      <span className="hidden sm:block">Next</span>
      <ChevronRightIcon />
    </PaginationLink>
  );
}

function PaginationEllipsis({ className, ...props }: React.ComponentProps<'span'>) {
  return (
    <span
      aria-hidden
      data-slot="pagination-ellipsis"
      className={cn('flex size-9 items-center justify-center', className)}
      {...props}
    >
      <MoreHorizontalIcon className="size-4" />
      <span className="sr-only">More pages</span>
    </span>
  );
}

export {
  Pagination,
  PaginationContent,
  PaginationLink,
  PaginationItem,
  PaginationPrevious,
  PaginationNext,
  PaginationEllipsis,
};