<?php
/*+**********************************************************************************
 * The content of this file is subject to the ITS4GoogleCalendarSync license.
 * ("License"); You may not use this file except in compliance with the License
 * The Initial Developer of the Original Code is IT-Solutions4You s.r.o.
 * Portions created by IT-Solutions4You s.r.o. are Copyright(C) IT-Solutions4You s.r.o.
 * All Rights Reserved.
 ************************************************************************************/

vimport('~~/libraries/google-api-php-client/autoload.php');

class ITS4YouGoogleCalendarSync_GoogleClient_Model
{

    /**
     * @var Google_Client
     */
    protected $client;

    /**
     * @var Vtiger_Request
     */
    protected $request;
    protected $is_logged = false;
    protected $UserCalendarList;

    /**
     * @var Google_Service_Calendar
     */
    protected $calendarService;

    /**
     * @var ITS4YouGoogleCalendarSync_Oauth2_Connector
     */
    protected $oauth2Connector;

    /**
     * ITS4YouGoogleCalendarSync_GoogleClient_Model constructor.
     * @param $oauth2Connector  ITS4YouGoogleCalendarSync_Oauth2_Connector
     */
    function __construct($oauth2Connector)
    {
        $oauth2Connector->authorize();
        $this->oauth2Connector = $oauth2Connector;

        $client = new Google_Client();
        $client->setClientId($this->oauth2Connector->getClientId());
        $client->setClientSecret($this->oauth2Connector->getClientSecret());
        $client->setAccessToken($this->oauth2Connector->getAccessToken());
        $client->setRedirectUri($this->oauth2Connector->getRedirectUri());
        $client->addScope($this->oauth2Connector->getScope());
        $client->setAccessType($this->oauth2Connector->getAccessType());

        $this->client = $client;
    }

    public function isLogged()
    {
        return $this->is_logged;
    }

    public function setRequest(Vtiger_Request $request)
    {
        $this->request = $request;
    }

    public function getClient()
    {
        return $this->client;
    }

    public function getCalendarList()
    {

        $service = $this->getCalendarService();

        $calendarList = $service->calendarList->listCalendarList();
        $userCalendars = array();

        while (true) {
            /**
             * @var $calendarListEntry  Google_Service_Calendar_CalendarListEntry
             */
            foreach ($calendarList->getItems() as $calendarListEntry) {
                array_push($userCalendars, $calendarListEntry);
            }

            $pageToken = $calendarList->getNextPageToken();
            if ($pageToken) {
                $optParams = array('pageToken' => $pageToken);
                $calendarList = $service->calendarList->listCalendarList($optParams);
            } else {
                break;
            }
        }

        return $userCalendars;
    }

    public function getCalendarService()
    {
        if (!isset($this->calendarService)) {
            $this->calendarService = new Google_Service_Calendar($this->client);
        }
        return $this->calendarService;
    }

    public function getCalendarById($calendarId)
    {
        $myCalendarInstance = null;
        if (!empty($calendarId)) {
            $service = $this->getCalendarService();
            $calendarInstance = $service->calendarList->get($calendarId);

            $myCalendarInstance = ITS4YouGoogleCalendarSync_GoogleCalendar_Model::getInstanceFromGoogleCalendarInstace($calendarInstance);
        }

        return $myCalendarInstance;
    }

}