<?php

declare(strict_types=1);

namespace Chill\MainBundle\Pagination;

/**
 * PageGenerator associated with a Paginator.
 */
class PageGenerator implements \Iterator
{
    protected Paginator $paginator;

    protected int $current = 1;

    public function __construct(Paginator $paginator)
    {
        $this->paginator = $paginator;;
    }

    public function current()
    {
        return $this->paginator->getPage($current);
    }

    public function key()
    {
        return $this->current;
    }

    public function next()
    {
        $this->current++;
    }

    public function rewind()
    {
        $this->current = 1;
    }

    public function valid()
    {
        return $this->current > 0
              && $this->current <= $this->paginator->countPages();
    }
}