<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Exception;

use Piwik\Common;
use Piwik\Url;
use Piwik\UrlHelper;
class RedirectException extends \Piwik\Exception\Exception implements \Piwik\Exception\IRedirectException
{
    private $redirectTo;
    private $countdown;
    /**
     * @param $message
     * @param string $redirectTo
     * @param int $countdown
     */
    public function __construct($message, $redirectTo, $countdown = 5)
    {
        $this->redirectTo = $redirectTo;
        $this->countdown = $countdown;
        $this->message = $message;
    }
    public function getRedirectionUrl() : string
    {
        return $this->isValidRedirect() ? Common::sanitizeInputValue($this->redirectTo) : '';
    }
    public function getCountdown() : int
    {
        return $this->countdown;
    }
    private function isValidRedirect() : bool
    {
        $host = Url::getHostFromUrl($this->redirectTo);
        return $host !== null && UrlHelper::isLookLikeUrl($this->redirectTo) && Url::isValidHost($host);
    }
}