<?php
/**
 * This is the whos online helper file
 *
 * PHP version 5
 *
 * @category   JFusion
 * @package    Modules
 * @subpackage Whosonline
 * @author     JFusion Team <webmaster@jfusion.org>
 * @copyright  2008 JFusion. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link       http://www.jfusion.org
*/

/**
 * Helper class
 *
 * @category   JFusion
 * @package    Modules
 * @subpackage Whosonline
 * @author     JFusion Team <webmaster@jfusion.org>
 * @copyright  2008 JFusion. All rights reserved.
 * @license    http://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link       http://www.jfusion.org
*/
class modjfusionWhosOnlineHelper {
    /**
     * @static
     * @param $jname
     * @param $config
     * @param $params
     * @param $output
     * @return mixed
     */
    public static function appendAutoOutput($jname, $config, $params, $output) {
		//get the itemid and jname to get any missing urls
		$link_itemid = $config['itemid'];
		if (is_numeric($link_itemid)) {
			$menu = JSite::getMenu();
            /**
             * @ignore
             * @var $menu_param JParameter
             */
			$menu_param = $menu->getParams($link_itemid);
			$plugin_param = unserialize(base64_decode($menu_param->get('JFusionPluginParam')));
			$link_jname = $plugin_param['jfusionplugin'];
		} else {
			$link_jname = $link_itemid;
		}

		if(empty($link_jname)) {
			$output->error = JText::_('NO_MENU_ITEM');
		} elseif(!JFusionFunction::validPlugin($link_jname)) {
			$output->error = JText::_('NOT_CONFIGURED');
		} else {
            $forum_links = JFusionFactory::getForum($link_jname);
            $public_users = JFusionFactory::getPublic($jname);


            //show the number of people online if set to do so
            $output->num_guests = $public_users->getNumberOnlineGuests();
            $output->num_members = $public_users->getNumberOnlineMembers();

            if(is_array($output->online_users)) {
                // process result
                foreach($output->online_users as $u) {
	                $u->output = new stdClass();
                    $jfusion_userid = 0;
                    //assign the joomla_userid and jfusion_userid variables
                    if($link_jname==$jname) {
                        $jfusion_userid = $u->userid;

                        if($jname=='joomla_int') {
                            //Joomla userid is readily available
                            $joomla_userid = $u->userid;
                        } elseif(!empty($userlookup)) {
                            //obtain the correct Joomla userid for the user
                            $lookupUsername = (!empty($u->username_clean)) ? $u->username_clean : $u->username;
                            //find it in the lookup table
                            $userlookup = JFusionFunction::lookupUser($link_jname, $u->userid, false, $lookupUsername);
                            if(!empty($userlookup)) {
                                $joomla_userid = $userlookup->id;
                            }
                        }
                    } else {
                        //first, the userid of the JFusion plugin for the menu item must be obtained
                        $JFusionUser = JFusionFactory::getUser($link_jname);
                        $userinfo = $JFusionUser->getUser($u);

                        if(!empty($userinfo)) {
                            $jfusion_userid = $userinfo->userid;

                            if($jname=="joomla_int") {
                                //Joomla userid is readily available
                                $joomla_userid = $u->userid;
                            } else {
                                $userlookup = JFusionFunction::lookupUser($link_jname, $userinfo->userid, false, $userinfo->username);
                                if(!empty($userlookup)) {
                                    $joomla_userid = $userlookup->id;
                                }
                            }
                        }
                    }

                    $u->output->display_name = ($config['name']==1) ? $u->name : $u->username;
                    $user_url = '';
                    if ($config['userlink']) {
                        if ($config['userlink_software']=='custom' && !empty($config['userlink_custom'])  && !empty($joomla_userid)) {
                            $user_url = $config['userlink_custom'].$joomla_userid;
                        } else if ($jfusion_userid) {
                            $user_url = JFusionFunction::routeURL($forum_links->getProfileURL($jfusion_userid, $u->username), $config['itemid'], $link_jname);
                        }
                    }
                    $u->output->user_url = $user_url;

                    if ($config['avatar']) {
                        // retrieve avatar
                        $avatarSrc = $config['avatar_software'];
                        if(!empty($avatarSrc) && $avatarSrc!='jfusion' && !empty($joomla_userid)) {
                            $avatar = JFusionFunction::getAltAvatar($avatarSrc, $joomla_userid);
                        } else if ($jfusion_userid) {
                            $avatar = $forum_links->getAvatar($jfusion_userid);
                        }

                        if(empty($avatar)) {
                            $avatar = JFusionFunction::getJoomlaURL().'components/com_jfusion/images/noavatar.png';
                        }

                        $u->output->avatar_source = $avatar;

                        $maxheight =& $config['avatar_height'];
                        $maxwidth =& $config['avatar_width'];
                        $size = ($config['avatar_keep_proportional']) ? @getimagesize($avatar) : false;
                        //size the avatar to fit inside the dimensions if larger
                        if($size!==false && ($size[0] > $maxwidth || $size[1] > $maxheight)) {
                            $wscale = $maxwidth/$size[0];
                            $hscale = $maxheight/$size[1];
                            $scale = min($hscale, $wscale);
                            $w = floor($scale*$size[0]);
                            $h = floor($scale*$size[1]);
                        }
                        elseif($size!==false) {
                            //the avatar is within the limits
                            $w = $size[0];
                            $h = $size[1];
                        } else {
                            //getimagesize failed
                            $w = $maxwidth;
                            $h = $maxheight;
                        }

                        $u->output->avatar_height = $h;
                        $u->output->avatar_width = $w;
                    } else {
                        $u->output->avatar_source = '';
                        $u->output->avatar_height = '';
                        $u->output->avatar_width = '';
                    }
                }
            }
        }
	}
}