<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Mobile

 * @subpackage Zend_Mobile_Push

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id$

 */

/** Zend_Http_Client **/

require_once 'Zend/Http/Client.php';

/** Zend_Mobile_Push_Abstract **/

require_once 'Zend/Mobile/Push/Abstract.php';

/** Zend_Mobile_Push_Message_Mpns **/

require_once 'Zend/Mobile/Push/Message/Mpns.php';

/**

 * Mpns Push

 *

 * @category   Zend

 * @package    Zend_Mobile

 * @subpackage Zend_Mobile_Push

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id$

 */

class Zend_Mobile_Push_Mpns extends Zend_Mobile_Push_Abstract

{

    /**

     * Http Client

     *

     */

    protected $_httpClient;

    /**

     * Get Http Client

     *

     * @return Zend_Http_Client

     */

    public function getHttpClient()

    {

        if (!$this->_httpClient) {

            $this->_httpClient = new Zend_Http_Client();

            $this->_httpClient->setConfig(array(

                'strictredirects' => true,

            ));

        }

        return $this->_httpClient;

    }

    /**

     * Set Http Client

     *

     * @return Zend_Mobile_Push_Mpns

     */

    public function setHttpClient(Zend_Http_Client $client)

    {

        $this->_httpClient = $client;

        return $this;

    }

    /**

     * Send Message

     *

     * @return boolean

     */

    public function send(Zend_Mobile_Push_Message_Abstract $message)

    {

        if (!$message->validate()) {

            throw new Zend_Mobile_Push_Exception('The message is not valid.');

        }

        $this->connect();

        $client = $this->getHttpClient();

        $client->setUri($message->getToken());

        $client->setHeaders(array(

            'Context-Type' => 'text/xml',

            'Accept' => 'application/*',

            'X-NotificationClass' => $message->getDelay()

        ));

        if ($message->getId()) {

            $client->setHeaders('X-MessageID', $message->getId());

        }

        if ($message->getNotificationType() != Zend_Mobile_Push_Message_Mpns::TYPE_RAW) {

            $client->setHeaders('X-WindowsPhone-Target', $message->getNotificationType());

        }

        $client->setRawData($message->getXmlPayload(), 'text/xml');

        $response = $client->request('POST');

        $this->close();

        switch ($response->getStatus())

        {

            case 200:

                // check headers for response?  need to test how this actually works to correctly handle different states.

                if ($response->getHeader('NotificationStatus') == 'QueueFull') {

                    require_once 'Zend/Mobile/Push/Exception/DeviceQuotaExceeded.php';

                    throw new Zend_Mobile_Push_Exception_DeviceQuotaExceeded('The devices push notification queue is full, use exponential backoff');

                }

                break;

            case 400:

                require_once 'Zend/Mobile/Push/Exception/InvalidPayload.php';

                throw new Zend_Mobile_Push_Exception_InvalidPayload('The message xml was invalid');

                break;

            case 401:

                require_once 'Zend/Mobile/Push/Exception/InvalidToken.php';

                throw new Zend_Mobile_Push_Exception_InvalidToken('The device token is not valid or there is a mismatch between certificates');

                break;

            case 404:

                require_once 'Zend/Mobile/Push/Exception/InvalidToken.php';

                throw new Zend_Mobile_Push_Exception_InvalidToken('The device subscription is invalid, stop sending notifications to this device');

                break;

            case 405:

                throw new Zend_Mobile_Push_Exception('Invalid method, only POST is allowed'); // will never be hit unless overwritten

                break;

            case 406:

                require_once 'Zend/Mobile/Push/Exception/QuotaExceeded.php';

                throw new Zend_Mobile_Push_Exception_QuotaExceeded('The unauthenticated web service has reached the per-day throttling limit');

                break;

            case 412:

                require_once 'Zend/Mobile/Push/Exception/InvalidToken.php';

                throw new Zend_Mobile_Push_Exception_InvalidToken('The device is in an inactive state.  You may retry once per hour');

                break;

            case 503:

                require_once 'Zend/Mobile/Push/Exception/ServerUnavailable.php';

                throw new Zend_Mobile_Push_Exception_ServerUnavailable('The server was unavailable.');

                break;

            default:

                break;

        }

        return true;

    }

}