<?php
/**
 * Shopware 5
 * Copyright (c) shopware AG
 *
 * According to our dual licensing model, this program can be used either
 * under the terms of the GNU Affero General Public License, version 3,
 * or under a proprietary license.
 *
 * The texts of the GNU Affero General Public License with an additional
 * permission and of our proprietary license can be found at and
 * in the LICENSE file you have received along with this program.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * "Shopware" is a registered trademark of shopware AG.
 * The licensing of the program under the AGPLv3 does not imply a
 * trademark license. Therefore any rights, title and interest in
 * our trademarks remain entirely with us.
 */

namespace Shopware\Components\LegacyRequestWrapper;

class CookieWrapper implements \ArrayAccess
{
    /**
     * @var \Enlight_Controller_Request_Request
     */
    private $request;

    /**
     * @param \Enlight_Controller_Request_Request $request The request object
     */
    public function __construct(\Enlight_Controller_Request_Request $request)
    {
        $this->request = $request;
    }

    /**
     * (PHP 5 &gt;= 5.0.0)<br/>
     * Whether a offset exists
     *
     * @see http://php.net/manual/en/arrayaccess.offsetexists.php
     *
     * @param mixed $offset <p>
     *                      An offset to check for.
     *                      </p>
     *
     * @return bool true on success or false on failure.
     *              </p>
     *              <p>
     *              The return value will be casted to boolean if non-boolean was returned
     */
    public function offsetExists($offset)
    {
        $cookieData = $this->request->getCookie();

        return array_key_exists($offset, $cookieData);
    }

    /**
     * (PHP 5 &gt;= 5.0.0)<br/>
     * Offset to retrieve
     *
     * @see http://php.net/manual/en/arrayaccess.offsetget.php
     *
     * @param mixed $offset <p>
     *                      The offset to retrieve.
     *                      </p>
     *
     * @return mixed can return all value types
     */
    public function offsetGet($offset)
    {
        return $this->request->getCookie($offset);
    }

    /**
     * (PHP 5 &gt;= 5.0.0)<br/>
     * Offset to set
     *
     * @see http://php.net/manual/en/arrayaccess.offsetset.php
     *
     * @param mixed $offset <p>
     *                      The offset to assign the value to.
     *                      </p>
     * @param mixed $value  <p>
     *                      The value to set.
     *                      </p>
     *
     * @throws \Exception
     */
    public function offsetSet($offset, $value)
    {
        throw new \Exception('Please use setcookie() to set cookie data');
    }

    /**
     * (PHP 5 &gt;= 5.0.0)<br/>
     * Offset to unset
     *
     * @see http://php.net/manual/en/arrayaccess.offsetunset.php
     *
     * @param mixed $offset <p>
     *                      The offset to unset.
     *                      </p>
     *
     * @throws \Exception
     */
    public function offsetUnset($offset)
    {
        throw new \Exception('Unsupported operation');
    }

    /**
     * Returns an array with all current values in _COOKIE
     *
     * @return array
     */
    public function toArray()
    {
        return $this->request->getCookie();
    }
}
