<?php

	/**
	 * Elgg Video Plugin
	 * This plugin allows users to create a library of videos
	 * 
	 * @package Elgg
	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
	 * @author Prateek Choudhary <synapticfield@gmail.com>
	 * @copyright Prateek Choudhary
	 */

		function videolist_init() {
			
			// Load system configuration
				global $CONFIG;
			if (isloggedin()) 
			{
					add_menu(elgg_echo('videolist'), $CONFIG->wwwroot . "pg/videolist/owned/" . $_SESSION['user']->username);
			}
					
			// Extend system CSS with our own styles
			extend_view('css','videolist/css');			
			// Load the language file - default is english
		  register_translations($CONFIG->pluginspath . "videolist/languages/");
			
			// Register a page handler, so we can have nice URLs
			register_page_handler('videolist','videolist_page_handler');
			
			//extend this plugin for groups
			extend_view('groups/left_column','videolist/groupprofile_videolist');
			
			 // Add a new videolist widget
		  add_widget_type('videolist_view',elgg_echo("videolist:widget"),elgg_echo("videolist:widget:description"), 'profile');
			
			if (is_callable('register_notification_object'))
				register_notification_object('object', 'videolist', elgg_echo('videolist:new'));
			register_plugin_hook('object:notifications','object','videolist_object_notifications_intercept');
			
			// Register URL handler
			register_entity_url_handler('video_url','object', 'videolist');
			register_entity_url_handler('video_url','object', 'watch');
			
			//register entity url handler
			register_entity_url_handler('videolist_url','object','videolist');
			// Register entity type
		  register_entity_type('object','videolist');

		  
		}
		
		/**
		 * videolist page handler; allows the use of fancy URLs
		 *
		 * @param array $page From the page_handler function
		 * @return true|false Depending on success
		 */
		function videolist_page_handler($page) {
		
			if (isset($page[0])) {
				switch($page[0]) {
					case "owned": if (isset($page[1])) set_input('username',$page[1]);
												@include(dirname(__FILE__) . "/index.php");
				  					break;
					case "search":		  @include(dirname(__FILE__) . "/world.php");
										break;
					case "video":		  @include(dirname(__FILE__) . "/video.php");
										break;
					case "new": if (isset($page[3])) set_input('add_videourl',$page[3]);
											if (isset($page[5])) set_input('page',$page[5]);	
											if (isset($page[1])) set_input('container',$page[1]);
										@include(dirname(__FILE__) . "/new.php");
										break;
					case "watch":	set_input('video_id',$page[1]);
												@include(dirname(__FILE__) . "/watch.php");
										break;
					case "browse":	if (isset($page[1])) set_input('container',$page[1]);	
												  @include(dirname(__FILE__) . "/browse.php");
										break;
				  default : if (isset($page[1])) set_input('username',$page[1]);
				  					@include(dirname(__FILE__) . "/index.php");
				  					break;
				}
			// If the URL is just 'videolist/username', or just 'videolist/', load the standard index file
			} else {
			  if (isset($page[1])) set_input('username',$page[1]);
				@include(dirname(__FILE__) . "/index.php");
				return true;
			}
			
			return false;

		}


		function videolist_pagesetup() {
			
			global $CONFIG;
			$page_owner = page_owner_entity();
			
			if ($page_owner instanceof ElggGroup && get_context() == "groups") {
					add_submenu_item(sprintf(elgg_echo("videolist:home"),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/owned/" . page_owner_entity()->username);
				}
			//add submenu options
				else if (get_context() == "videolist") {
						/**********************************************************************************************
						****if user is OR is not registered user then show him following page menus to choose from
						***********************************************************************************************/
					  /*
					  add_submenu_item(elgg_echo('videolist:home'),$CONFIG->wwwroot."pg/videolist/". $page_owner->username);
						
						add_submenu_item(elgg_echo('videolist:new'),$CONFIG->wwwroot."pg/videolist/new");
						
						add_submenu_item(elgg_echo('videolist:find'),$CONFIG->wwwroot."pg/videolist/search/");
						*/
						if ((page_owner() == $_SESSION['guid'] || !page_owner()) && isloggedin()) {
					add_submenu_item(sprintf(elgg_echo("videolist:home"),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/owned/" . page_owner_entity()->username);
					add_submenu_item(sprintf(elgg_echo('videolist:new'),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/new/". page_owner_entity()->username);
					add_submenu_item(sprintf(elgg_echo('videolist:browsemenu'),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/browse/". page_owner_entity()->username);
					add_submenu_item(sprintf(elgg_echo('videolist:find'),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/search/");			
				} else if (page_owner() && $page_owner instanceof ElggUser) {
					add_submenu_item(sprintf(elgg_echo("videolist:home"),$page_owner->name), $CONFIG->wwwroot . "pg/videolist/owned/". $page_owner->username);
				}	
			}
			else if (get_context() == "groupsvideos") {
				add_submenu_item(sprintf(elgg_echo("videolist:home"),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/owned/" . page_owner_entity()->username);
					if ($page_owner->canEdit()) {
						add_submenu_item(sprintf(elgg_echo('videolist:browsemenu'),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/browse/". page_owner_entity()->username);
						add_submenu_item(sprintf(elgg_echo('videolist:new'),page_owner_entity()->name), $CONFIG->wwwroot . "pg/videolist/new/". page_owner_entity()->username);
					}
			}
		}
	  
	  
	  function video_url($entity) {			
			global $CONFIG;
			$video_id = $entity->video_id;
			return $CONFIG->url . "pg/videolist/watch/" . $entity->getGUID() . "/" . $video_id;
			
		}
		
		function videolist_url($videolistpage) {
			
			global $CONFIG;
			$owner = $videolistpage->container_guid;
			$userdata = get_entity($owner);
			$title = $videolistpage->title;
			$title = friendly_title($title);
			return $CONFIG->url . "pg/videolist/watch/" . $videolistpage->getGUID();
		}
		
		/**
	 * Event handler for videolist
	 *
	 */
	function videolist_object_notifications($event, $object_type, $object) {
		
		static $flag;
		if (!isset($flag)) $flag = 0;
		
		if (is_callable('object_notifications'))
		if ($object instanceof ElggObject) {
			if ($object->getSubtype() == 'videolist') {
				if ($flag == 0) {
					$flag = 1;
					object_notifications($event, $object_type, $object);
				}
			}
		}	
	}
	
	/**
	 * Intercepts the notification on an event of new video being created and prevents a notification from going out
	 * (because one will be sent on the annotation)
	 *
	 * @param unknown_type $hook
	 * @param unknown_type $entity_type
	 * @param unknown_type $returnvalue
	 * @param unknown_type $params
	 * @return unknown
	 */
		function videolist_object_notifications_intercept($hook, $entity_type, $returnvalue, $params) {
			if (isset($params)) {
				if ($params['event'] == 'create' && $params['object'] instanceof ElggObject) {
					if ($params['object']->getSubtype() == 'videolist') {
						return true;
					}
				}
			}
			return null;
		}
		
		// Register a handler for adding videos
		register_elgg_event_handler('create', 'videolist', 'videolist_create_event_listener');

		// Register a handler for delete videos
		register_elgg_event_handler('delete', 'videolist', 'videolist_delete_event_listener');
		
		// Make sure the status initialisation function is called on initialisation
		register_elgg_event_handler('init','system','videolist_init');
		
		register_elgg_event_handler('pagesetup','system','videolist_pagesetup');
		register_elgg_event_handler('annotate','all','videolist_object_notifications');
	
	// Register actions
		global $CONFIG;
		
		register_action("videolist/addvideo", false, $CONFIG->pluginspath . "videolist/actions/addvideo.php");
		register_action("videolist/tubesearch", false, $CONFIG->pluginspath . "videolist/actions/tubesearch.php");
		//register_action("videolist/addcomment", false, $CONFIG->pluginspath . "videolist/actions/comments/add.php");
		register_action("videolist/remove", false, $CONFIG->pluginspath . "videolist/actions/delete.php");
		

?>