<?php
/**
* @copyright (C) 2013 iJoomla, Inc. - All rights reserved.
* @license GNU General Public License, version 2 (http://www.gnu.org/licenses/gpl-2.0.html)
* @author iJoomla.com <webmaster@ijoomla.com>
* @url https://www.jomsocial.com/license-agreement
* The PHP code portions are distributed under the GPL license. If not otherwise stated, all images, manuals, cascading style sheets, and included JavaScript *are NOT GPL, and are released under the IJOOMLA Proprietary Use License v1.0
* More info at https://www.jomsocial.com/license-agreement
*/
defined('_JEXEC') or die('Restricted access');

require_once( JPATH_ROOT .'/components/com_community/libraries/core.php' );

class CUserPoints {

	/**
	 * return the path to karma image
	 * @param	user	CUser object
	 */
	static public function getPointsImage( $user ) {
		$CKarma = new CKarma();
		return $CKarma->getKarmaImage($user);
	}


    /**
     * add points to user based on the action.
     * @param $action
     * @param null $userId
     */
	static public function assignPoint( $action, $userId=null)
	{
		//get the rule points
		//must use the JFactory::getUser to get the aid
		$juser	= JFactory::getUser($userId);

        //since 4.0, check if this action is published, else return false (boolean)
        $userPointModel = CFactory::getModel('Userpoints');
        $point = $userPointModel->getPointData($action);
        if(!isset($point->published) || !$point->published){
            return false;
        }

		if( $juser->id != 0 )
		{
			if (!method_exists($juser,'getAuthorisedViewLevels')) {
				$aid    = $juser->aid;
				// if the aid is null, means this is not the current logged-in user.
				// so we need to manually get this aid for this user.
				if(is_null($aid))
				{
					$aid = 0; //defautl to 0
					// Get an ACL object
					$acl 	= JFactory::getACL();
					$grp 	= $acl->getAroGroup($juser->id);
					$group	= 'USERS';

					if($acl->is_group_child_of( $grp->name, $group))
					{
						$aid	= 1;
						// Fudge Authors, Editors, Publishers and Super Administrators into the special access group
						if ($acl->is_group_child_of($grp->name, 'Registered') ||
							$acl->is_group_child_of($grp->name, 'Public Backend'))    {
							$aid	= 2;
						}
					}
				}
			} else {
				//joomla 1.6
				$aid    = $juser->getAuthorisedViewLevels();
			}

			$points	= $actionPoints = CUserPoints::_getActionPoint($action, $aid);

            //since 4.0
            $model = CFactory::getModel('user');
            $points = $model->updatePoints($juser->id, $points);

            //@since 4.1, we will dump the points added to the user into profile stats
            $statModel = CFactory::getModel('stats');
            $statModel->addProfileStats($juser->id, 'points', $actionPoints);

			//Event trigger
			$appsLib = CAppPlugins::getInstance();
            $appsLib->loadApplications();

            // because this event function not exist at /community/events, it will return in JSON
            $params = array('action'=>$action,'points'=>$points,'userId'=>$juser->id);
            $params = array('action' => json_encode($params));
            $appsLib->triggerEvent('onAfterAssignPoint', $params);

            return true;
		}
	}


	/**
	 * Private method. DO NOT call this method directly.
	 * Return points for various actions. Return value should be configurable from the backend.
	 */
	static public function _getActionPoint( $action, $aid = 0) {


		$userPoint = '';
		if( class_exists('CFactory') ){
			$userPoint = CFactory::getModel('userpoints');
		} else {
			$userPoint = new CommunityModelUserPoints();
		}

		$point	= 0;
		$upObj	= $userPoint->getPointData( $action );

		if(! empty($upObj))
		{
			$published	= $upObj->published;
			$access		= $upObj->access;
			$point = $upObj->points;

			if ($published == '0')
				$point = 0;
		}

		return $point;

	}//end _getActionPoint


}