/**
 * EGroupware Notifications - clientside javascript
 *
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @package notifications
 * @subpackage ajaxpoup
 * @link http://www.egroupware.org
 * @author Cornelius Weiss <nelius@cwtech.de>, Christian Binder <christian@jaytraxx.de>, Ralf Becker <rb@egroupware.org>
 */

'use strict';

/**
 * Installs app.notifications used to poll notifications from server and display them
 */
(function()
{
	window.egw_ready.then(()=>{

		var notifymessages = {};

		var _currentRawData = [];
		/**
		 * time range label today
		 * @type Number
		 */
		var TIME_LABEL_TODAY = 0;

		/**
		 * time range label yesterday
		 * @type Number
		 */
		var TIME_LABEL_YESTERDAY = 1;

		/**
		 * time range label this month
		 * @type Number
		 */
		var TIME_LABEL_THIS_MONTH = 2;

		/**
		 * time range label last month
		 * @type Number
		 */
		var TIME_LABEL_LAST_MONTH = 3;

		/**
		 * Heigh priorority action for notifing about an entry.
		 * Action: It pops up the entry once
		 * @type Number
		 */
		var EGW_PR_NOTIFY_HEIGH = 1;

		/**
		 * Medium priority for notifing about an entry
		 * Action: Not defined
		 * @type Number
		 */
		var EGW_PR_NOTIFY_MEDIUM = 2;

		/**
		 * Low priority for notifying about an entry
		 * Action: Not defined
		 * @type Number
		 */
		var EGW_PR_NOTIFY_LOW = 3;

		/**
		 * Interval set by user
		 * @type Number
		 */
		var POLL_INTERVAL = 60;

		/**
		 * Current interval set by system (gets increased by factor of 2 in case of request failure)
		 * @type Number
		 */
		var CURRENT_INTERVAL = 60;

		/**
		 * Current timeout ID
		 * @type Number
		 */
		var TIMEOUT = 0;

		/**
		 * Constructor inits polling and installs handlers, polling frequency is passed via data-poll-interval of script tag
		 */
		function notifications() {
			var notification_script = document.getElementById('notifications_script_id');
			CURRENT_INTERVAL = POLL_INTERVAL = notification_script && notification_script.getAttribute('data-poll-interval');
			TIMEOUT = this.setTimeout(10);	// defer first poll
			jQuery('#notificationbell').click(jQuery.proxy(this.display, this));

			// add click handler for refreshing Notifications
			let $egwpopup_header = jQuery('#egwpopup_header')
				.css({cursor:'pointer'})
				.attr('title', egw.lang('Refresh Notifications'))
				.click(jQuery.proxy(this.run_notifications, this));
			$egwpopup_header.children('.button_right_toggle').attr('title', egw.lang('close'));

			this.filter = '';
			// total number of notifications
			this.total = 0;
		}

		notifications.prototype.run_notifications = function ()
		{
			var self = this;
			this.get_notifications().then(function(_data){
				window.clearTimeout(TIMEOUT);
				if (_data && _data.isPushServer) return;
				self.check_browser_notify();
				TIMEOUT = self.setTimeout(POLL_INTERVAL);
			},
			function(){
				window.clearTimeout(TIMEOUT);
				CURRENT_INTERVAL *= 2;
				self.setTimeout(CURRENT_INTERVAL);
			});
		};

		/**
		 * Poll server for new notifications
		 */
		notifications.prototype.get_notifications = function()
		{
			var self = this;
			return new Promise (function(_resolve, _reject){
				egw.json(
					"notifications.notifications_ajax.get_notifications",[],
					function(_data){
						_resolve(_data);
						self.check_browser_notify()
					}).sendRequest(true,'POST', function(_err){
						if (_err && _err.statusText) egw.message(_err.statusText);
						_reject();
				});
			});
		};

		/**
		 * Poll server in given frequency via Ajax
		 * @param _i
		 */
		notifications.prototype.setTimeout = function(_i) {
			var self = this;
			return window.setTimeout(function(){
				self.run_notifications();
			}, _i*1000);
		};

		/**
		 * Check to see if browser supports / allows desktop notifications
		 */
		notifications.prototype.check_browser_notify = function() {
			return egw.checkNotification();
		};

		/**
		 * This function gets created time and current time then finds out if
		 * the time range of the event.
		 *
		 * @param {type} _created
		 * @param {type} _current
		 *
		 * @returns {int} returns type of range
		 */
		notifications.prototype.getTimeLabel = function (_created, _current) {
			var created = typeof _created == 'string'? new Date(_created): _created;
			var current = new Date(_current.date);
			var time_diff = (current - created) / 1000;
			var result = '';
			if (time_diff < current.getHours() * 3600)
			{
				result = TIME_LABEL_TODAY;
			}
			else if ((time_diff > current.getHours() * 3600) &&
					(time_diff < (current.getHours() * 3600 + 86400)))
			{
				result = TIME_LABEL_YESTERDAY;
			}
			else if (current.getFullYear() == created.getFullYear() &&
					(current.getMonth() - created.getMonth()) == 0 &&
					time_diff > (current.getHours() * 3600 + 86400))
			{
				result = TIME_LABEL_THIS_MONTH;
			}
			else if (current.getFullYear() == created.getFullYear() &&
					(current.getMonth() - created.getMonth()) == 1)
			{
				result = TIME_LABEL_LAST_MONTH;
			}

			return result;
		};

		/**
		 * Display notifications window
		 */
		notifications.prototype.display = function() {
			// list container
			var $egwpopup_list = jQuery("#egwpopup_list");

			// Preserve already poped notifications
			var poped = [];
			$egwpopup_list.find('.egwpopup_expanded').each(function(index, item){
				// store messages ids of poped messages
				poped.push(item.id.replace('egwpopup_message_', ''));
			});
			// clear the list
			$egwpopup_list.empty();
			// define time label dividers
			var $today = jQuery(document.createElement('div'))
						.addClass('egwpopup_time_label')
						.text(egw.lang('today'))
				, $yesterday = jQuery(document.createElement('div'))
						.addClass('egwpopup_time_label')
						.text(egw.lang('yesterday'))
				, $this_month = jQuery(document.createElement('div'))
						.addClass('egwpopup_time_label')
						.text(egw.lang('this month'))
				, $last_month = jQuery(document.createElement('div'))
						.addClass('egwpopup_time_label')
						.text(egw.lang('last month'));
			// reverse indexes to get the latest messages at the top
			var indexes = Object.keys(notifymessages).reverse()
			for(var index in indexes)
			{
				var id = indexes[index];
				var $message, $mark, $delete, $inner_container, $nav_prev, $nav_next,
					$more_info, $top_toolbar, $open_entry, $date, $collapse;
				var message_id = 'egwpopup_message_'+id;
				var time_label = this.getTimeLabel(notifymessages[id]['created'], notifymessages[id]['current']);
				if (jQuery('#'+message_id,$egwpopup_list).length > 0)
				{
					this.update_message_status(id, notifymessages[id]['status'], true);
					continue;
				}
				if (this.filter && notifymessages[id]['data']['app'] != this.filter) continue;
				// set the time labels on
				switch (time_label)
				{
					case TIME_LABEL_TODAY:
						if (!$egwpopup_list.has($today).length) $today.appendTo($egwpopup_list);
						break;
					case TIME_LABEL_YESTERDAY:
						if (!$egwpopup_list.has($yesterday).length) $yesterday.appendTo($egwpopup_list);
						break;
					case TIME_LABEL_THIS_MONTH:
						if (!$egwpopup_list.has($this_month).length) $this_month.appendTo($egwpopup_list);
						break;
					case TIME_LABEL_LAST_MONTH:
						if (!$egwpopup_list.has($last_month).length) $last_month.appendTo($egwpopup_list);
						break;
				}

				// message container
				$message = jQuery(document.createElement('div'))
						.addClass('egwpopup_message')
						.attr({
							id:message_id,
							'data-entryid': notifymessages[id]['data']['id'],
							'data-appname': notifymessages[id]['data']['app'],
				});
				// wrapper for message content
				$inner_container =  jQuery(document.createElement('div'))
						.addClass('egwpopup_message_inner_container')
						.appendTo($message);
				$inner_container[0].innerHTML = notifymessages[id]['message'];
				if (notifymessages[id]['children'])
				{
					for (var c in notifymessages[id]['children'])
					{
						if (Object.keys(notifymessages[id]['children']).indexOf(c) < Object.keys(notifymessages[id]['children']).length-2) continue;
						$inner_container[0].innerHTML += notifymessages[id]['children'][c]['message'];
					}
				}
				$more_info = jQuery(document.createElement('div'))
						.addClass('egwpopup_message_more_info')
						.text(egw.lang('More info')+'...')
						.appendTo($message);
				// top toolbar NODE
				$top_toolbar = jQuery(document.createElement('div'))
						.addClass('egwpopup_message_top_toolbar');
				// Date indicator NODE
				$date = jQuery(document.createElement('span'))
						.addClass('egwpopup_message_date')
						.prependTo($top_toolbar)
						.text(notifymessages[id]['created']);
				if (notifymessages[id]['data']['id'] || notifymessages[id]['data']['url']) {
					// OPEN entry button
					$open_entry = jQuery(document.createElement('span'))
							.addClass('egwpopup_message_open')
							.attr('title',egw.lang('open notified entry'))
							.click(jQuery.proxy(this.open_entry, this,[$message]))
							.prependTo($top_toolbar);
				}
				// Previous button
				$nav_prev = jQuery(document.createElement('span'))
						.addClass('egwpopup_nav_prev')
						.attr('title',egw.lang('previous'))
						.click(jQuery.proxy(this.nav_button, this,[$message, "prev"]))
						.prependTo($top_toolbar);
				// Next button
				$nav_next = jQuery(document.createElement('span'))
						.addClass('egwpopup_nav_next')
						.attr('title',egw.lang('next'))
						.click(jQuery.proxy(this.nav_button, this,[$message, "next"]))
						.prependTo($top_toolbar);
				// Delete button
				$delete = jQuery(document.createElement('span'))
						.addClass('egwpopup_delete')
						.attr('title',egw.lang('delete this message'))
						.click(jQuery.proxy(this.button_delete, this,[$message]))
						.prependTo($top_toolbar);
				// Mark as read button
				$mark = jQuery(document.createElement('span'))
						.addClass('egwpopup_mark')
						.prependTo($top_toolbar);
				// Collapse button (close icon)
				$collapse = jQuery(document.createElement('span'))
						.addClass('egwpopup_collapse')
						.click(jQuery.proxy(this.collapseMessage, this, [$message]))
						.prependTo($top_toolbar);

				if (notifymessages[id]['status'] != 'SEEN')
				{
					$mark.click(jQuery.proxy(this.message_seen, this,[$message]))
						.attr('title',egw.lang('mark as read'));
				}

				// Activate links
				jQuery('div[data-id],div[data-url]', $message).on('click',
					function() {
						if(this.dataset.id)
						{
							egw.open(this.dataset.id,this.dataset.app);
						}
						else
						{
							egw.open_link(this.dataset.url,'_blank',this.dataset.popup);
						}
					}
				).addClass('et2_link');
				if (notifymessages[id]['data'] && notifymessages[id]['data']['actions'] && notifymessages[id]['data']['actions'].length > 0)
				{
					var $actions_container = jQuery(document.createElement('div')).addClass('egwpopup_actions_container');
					for(var action in notifymessages[id].data.actions)
					{
						var func = new Function(notifymessages[id].data.actions[action].onExecute);
						jQuery(document.createElement('button'))
								.addClass('et2_button')
								.css({'background-image':'url('+egw.image(notifymessages[id].data.actions[action].icon,notifymessages[id].data.app)+')'})
								.text(notifymessages[id].data.actions[action].caption)
								.click(jQuery.proxy(func, this, [$message]))
								.prependTo($actions_container);
					}
					$actions_container.appendTo($message);
				}
				$top_toolbar.prependTo($message);
				$egwpopup_list.append($message);
				// bind click handler after the message container is attached
				$message.click(jQuery.proxy(this.clickOnMessage, this,[$message]));
				this.update_message_status(id, notifymessages[id]['status'], true);
				if (notifymessages[id]['extra_data']
						&& !notifymessages[id]['status']
						&& notifymessages[id]['extra_data']['egw_pr_notify'])
				{
					switch (notifymessages[id]['extra_data']['egw_pr_notify'])
					{
						case EGW_PR_NOTIFY_HEIGH:
							if (notifymessages[id]['extra_data']['videoconference'] && notifymessages[id]['extra_data']['alarm-offset'] <= 300 &&
									app.status && typeof app.status.scheduled_receivedCall == 'function')
							{
								app.status.scheduled_receivedCall({
									url: notifymessages[id]['extra_data']['videoconference'],
									account_id: notifymessages[id]['extra_data']['account_id'],
									avatar: 'account:'+	notifymessages[id]['extra_data']['account_id'],
									title: notifymessages[id]['data']['title'],
									owner: notifymessages[id]['extra_data']['name']
								});
							}
							else {
								this.toggle(true);
							}
							poped.push(id);
							break;
						case EGW_PR_NOTIFY_MEDIUM:
						case EGW_PR_NOTIFY_LOW:
							//Could be define with all sort of stuffs
					}
				}
			}

			if (poped.length > 0)
			{
				for (var key in poped)
				{
					// pop again those where opened before refresh
					$egwpopup_list.find('#egwpopup_message_'+poped[key]).trigger('click');
				}
			}
			this.counterUpdate();
		};

		/**
		 * Opens the relevant entry from clicked message
		 *
		 * @param {jquery object} _node
		 * @param {object} _event
		 */
		notifications.prototype.open_entry = function (_node, _event){
			_event.stopPropagation();
			this.message_seen(_node, _event);
			var egwpopup_message = _node[0];
			var id = egwpopup_message[0].id.replace(/egwpopup_message_/ig,'');
			if (notifymessages[id]['data'])
			{
				if (notifymessages[id]['data']['id'])
				{
					egw.open(notifymessages[id]['data']['id'], notifymessages[id]['data']['app']);
				}
				else
				{
					egw.open_link(notifymessages[id]['data']['url'],'_blank',notifymessages[id]['data']['popup']);
				}
			}
		};

		/**
		 * Reposition the expanded message back in the list & removes the clone node
		 * @param {jquery object} _node
		 */
		notifications.prototype.collapseMessage = function (_node, _event){
			_event.stopPropagation();
			var cloned = _node[0].prev();
			if (cloned.length > 0 && cloned[0].id == _node[0].attr('id')+'_expanded')
				cloned.remove();
			_node[0].removeClass('egwpopup_expanded');
			_node[0].css('z-index', 0);
			this.checkNavButtonStatus();
			egw.loading_prompt('popup_notifications', false);
		};

		/**
		 * Expand a clicked message into bigger view
		 * @param {jquery object} _node
		 * @param {object} _event
		 *
		 * @return undefined
		 */
		notifications.prototype.clickOnMessage = function (_node, _event){
			// Do not run the click handler if it's been already expanded
			if (_node[0].hasClass('egwpopup_expanded') || jQuery(_event.target).hasClass('et2_button')) return;
			this.message_seen(_node, _event);
			var $node = jQuery(_node[0][0].cloneNode());
			if ($node)
			{
				$node.attr('id', _node[0].attr('id')+'_expanded')
						.addClass('egwpopup_message_clone')
						.insertBefore(_node[0]);
			}
			var zindex = jQuery('.egwpopup_expanded').length;
			_node[0].addClass('egwpopup_expanded').css('z-index', zindex++);
			this.checkNavButtonStatus();
			if (jQuery('#egwpopup').is(':visible') && !egwIsMobile()) egw.loading_prompt('popup_notifications', true);
		};

		notifications.prototype.nav_button = function (_params, _event){
			var $expanded = jQuery('.egwpopup_expanded');
			var $messages = jQuery('.egwpopup_message').not('.egwpopup_message_clone');
			var self = this;
			var current = 0;
			$messages.each(function(i, j){if (j.id == _params[0][0].id) current = i;});
			$expanded.each(function(index, item){
				self.collapseMessage([jQuery(item)], _event);
			});
			if (_params[1] == "prev")
			{
				$messages[current-1].click();
			}
			else
			{
				$messages[current+1].click();
			}
		}

		notifications.prototype.checkNavButtonStatus = function (){
			var top = 0;
			var $expanded = jQuery('.egwpopup_expanded');
			var $messages = jQuery('.egwpopup_message').not('.egwpopup_message_clone');
			$expanded.removeClass('egwpopup_nav_disable');
			$expanded.each(function(index, item){
				if (item.style.getPropertyValue('z-index') > $expanded[top].style.getPropertyValue('z-index'))
				{
					top = index;
				}
			});
			var $topNode = jQuery($expanded[top]);
			if ($topNode[top] == $messages[0]) $topNode.find('.egwpopup_nav_prev').addClass('egwpopup_nav_disable');
			if ($topNode[top] == $messages[$messages.length-1]) $topNode.find('.egwpopup_nav_next').addClass('egwpopup_nav_disable');
		}

		/**
		 * Display or hide notifcation-bell
		 *
		 * @param {string} mode "active"
		 */
		notifications.prototype.bell = function(mode) {
			var notificationbell;
			notificationbell = document.getElementById("notificationbell");
			if(mode == "active") {
				notificationbell.style.display = "inline";
			} else {
				notificationbell.style.display = "none";
			}
		};

		/**
		 * Callback for OK button: confirms message on server and hides display
		 */
		notifications.prototype.message_seen = function(_node, _event) {
			_event.stopPropagation();
			var egwpopup_message = _node[0];
			var id = egwpopup_message[0].id.replace(/egwpopup_message_/ig,'');
			if (notifymessages[id]['status'] !='SEEN')
			{
				var request = egw.json("notifications.notifications_ajax.update_status", [[notifymessages[id]], "SEEN"]);
				request.sendRequest(true);
				this.update_message_status(id, "SEEN");
				if (notifymessages[id]['extra_data']['onSeenAction'])
				{
					var func = new Function(notifymessages[id]['extra_data']['onSeenAction']);
					func.apply(this,[notifymessages[id]['extra_data']]);
				}
			}
		};

		notifications.prototype.mark_all_seen = function()
		{
			if (!notifymessages || Object.keys(notifymessages).length == 0) return false;
			egw.json("notifications.notifications_ajax.update_status", [notifymessages, "SEEN"]).sendRequest(true);
			for (var id in notifymessages)
			{
				this.update_message_status(id, "SEEN");
			}
		};

		notifications.prototype.update_message_status = function (_id, _status, _noCounterUpdate)
		{
			var $egwpopup_message = jQuery('#egwpopup_message_'+_id);
			notifymessages[_id]['status'] = _status;
			if ($egwpopup_message.length>0)
			{
				switch (_status)
				{
					case 'SEEN':
						$egwpopup_message.addClass('egwpopup_message_seen');
						break;
					case 'UNSEEN':
					case 'DISPLAYED':
						$egwpopup_message.removeClass('egwpopup_message_seen');
						break;
				}
			}
			if (!_noCounterUpdate) this.counterUpdate();
		};

		notifications.prototype.delete_all = function () {
			if (!notifymessages || Object.entries(notifymessages).length == 0) return false;
			const app_ids = {};
			for(const id in notifymessages)
			{
				const notification = notifymessages[id];
				if (notification.data?.id && notification.data.app)
				{
					if (typeof app_ids[notification.data.app] === "undefined") app_ids[notification.data.app] = [];
					app_ids[notification.data.app].push(notification.data.id);
				}
			}
			egw.request("notifications.notifications_ajax.delete_message", [Object.keys(notifymessages), app_ids]);
			notifymessages = {};
			_currentRawData = [];	// otherwise response from delete_message/get_notifications might not get parsed
			this.total = 0;
			this.counterUpdate();
			jQuery("#egwpopup_list").empty();
			egw.loading_prompt('popup_notifications', false);
			this.bell("inactive");
		};

		/**
		 * Callback for close button: close and mark all as read
		 */
		notifications.prototype.button_delete = function(_node, _event) {
			_event.stopPropagation();
			const egwpopup_message = _node[0];
			const id = egwpopup_message[0].id.replace(/egwpopup_message_/ig,'');
			const notification = notifymessages[id];
			const app_ids = {};
			if (notification.data?.id) app_ids[notification.data.app] = [notification.data.id];
			egw.request("notifications.notifications_ajax.delete_message", [[id], app_ids]);
			const nextNode = egwpopup_message.next();
			let keepLoadingPrompt = false;
			delete (notifymessages[id]);
			this.total -= 1;
			this.counterUpdate();
			if (nextNode.length > 0 && nextNode[0].id.match(/egwpopup_message_/ig) && egwpopup_message.hasClass('egwpopup_expanded'))
			{
				nextNode.trigger('click');
				keepLoadingPrompt = true;
			}
			// try to close the dialog if expanded before hidding it
			this.collapseMessage(_node, _event);
			if (keepLoadingPrompt && !egwIsMobile()) egw.loading_prompt('popup_notifications', true);
			egwpopup_message.remove();
			this.bell("inactive");
		};

		/**
		 * Find all children ids from notifications
		 * @returns {Array} returns ids of all children from all parents
		 */
		notifications.prototype.findAllChildrenIds = function ()
		{
			var map = [];
			for (var i in notifymessages)
			{
				map = map.concat(this.findChildrenIds(notifymessages[i]));
			}
			return map;
		};

		/**
		 * Find children of a parent
		 * @param {object} _notification parent object
		 * @returns {Array} return ids of children
		 */
		notifications.prototype.findChildrenIds = function (_notification)
		{
			if(_notification.children)
			{
				return Object.keys(_notification.children);
			}
			return [];
		};

		/**
		 * Finds potential parent
		 *
		 * @param {type} _id
		 * @param {type} _app
		 * @returns {int} return id of notification
		 */
		notifications.prototype.findParent = function (_id, _app)
		{
			if (!_id && !_app) return null;
			for(var i in notifymessages)
			{
				if (notifymessages[i]['data']['id'] == _id && notifymessages[i]['data']['app'] == _app)
				{
					return i;
				}
			}
		};

		/**
		 * Add message to internal display-queue
		 *
		 * @param _rowData
		 * @param _browser_notify
		 */
		notifications.prototype.append = function(_rawData, _browser_notify, _total) {

			var hasUnseen = [];
			_rawData = _rawData || [];
			// Don't process the data if they're the same as it could get very expensive to
			// process html their content.
			if (_currentRawData.length && _currentRawData.length == _rawData.length &&
				// check objects in both arrays have the same id
				!_rawData.some((d, i) => d.id != _currentRawData[i].id))
			{
				return;
			}
			_currentRawData = _rawData || [];
			var old_notifymessages = notifymessages;
			notifymessages = {};
			var browser_notify = _browser_notify || this.check_browser_notify();
			this.total = _total || 0;
			for (var i=0; i < _rawData.length; i++)
			{
				var data = this.getData(_rawData[i]['message'], _rawData[i]['extra_data']);
				var parent;
				if ((parent = this.findParent(data['id'], data['app']))
						&& typeof _rawData[i]['extra_data']['egw_pr_notify'] == 'undefined')
				{
					if (parent == _rawData[i]['id']) continue;
					if (!notifymessages[parent]['children']) notifymessages[parent] = jQuery.extend(notifymessages[parent], {children:{}});
					notifymessages[parent]['children'][_rawData[i]['id']] = {
						message:_rawData[i]['message'],
						data: data,
						status: _rawData[i]['status'],
						created: _rawData[i]['created'],
						current: _rawData[i]['current'],
						extra_data: _rawData[i]['extra_data']
					};
					if (_rawData[i]['actions'] && _rawData[i]['actions'].length > 0) notifymessages[parent]['children'][_rawData[i]['id']]['data']['actions'] = _rawData[i]['actions'];
					continue;
				}

				// Prevent the same thing popping up multiple times
				notifymessages[_rawData[i]['id']] = {
					message:_rawData[i]['message'],
					data: data,
					status: _rawData[i]['status'],
					created: _rawData[i]['created'],
					current: _rawData[i]['current'],
					extra_data: _rawData[i]['extra_data'],
					id: _rawData[i]['id']
				};
				if (_rawData[i]['actions'] && _rawData[i]['actions'].length > 0) notifymessages[_rawData[i]['id']]['data']['actions'] = _rawData[i]['actions'];
				// Notification API
				if(browser_notify && !_rawData[i]['status'])
				{
					egw.notification(data.title, {
						tag: data.app+":"+_rawData[i]['id'],
						body: data.message,
						icon: data.icon,
						requireInteraction: true,
						onclose:function(e){
							// notification id
							var id = this.tag.split(":");
							// delete the message
							var request = egw.json("notifications.notifications_ajax.update_status", [[id[1]], 'DISPLAYED']);
							request.sendRequest();
						},
						onclick:function(e){
							// notification id
							var id = this.tag.split(":");

							// get the right data from messages object
							var notify = notifymessages[id[1]];

							if (!notifymessages[id[1]]) this.close();

							if (notify && notify.data && notify.data.id)
							{
								egw.open(notify.data.id, notify.data.app);
							}
							else if (notify && notify.data)
							{
								egw.open_link(notify.data.url,'_blank',notify.data.popup);
							}
							this.close();
						}
					});
				}
				if (!_rawData[i]['status'])
				{
					egw.json("notifications.notifications_ajax.update_status", [[_rawData[i]['id']], 'DISPLAYED']);
					hasUnseen.push(_rawData[i]['id']);
				}

			}
			var egwpopup = document.getElementById('egwpopup');
			switch(egw.preference('egwpopup_verbosity', 'notifications'))
			{
				case 'low':
					if (Object.keys(notifymessages).length>0 && this.counterUpdate()>0)
					{
						this.bell('active');
					}
					break;
				case 'high':
					if (hasUnseen.length > 0)
					{
						alert(egw.lang('EGroupware has notifications for you'));
						egw.json("notifications.notifications_ajax.update_status", [hasUnseen, 'DISPLAYED']).sendRequest();
					}
					if (egwpopup.style.display != 'none')
					{
						this.display();
					}
					else
					{
						this.counterUpdate();
					}
					break;
				case 'medium':
					if (egwpopup.style.display != 'none' && Object.keys(old_notifymessages).length != Object.keys(notifymessages).length)
					{
						this.display();
					}
					else
					{
						this.counterUpdate();
					}

			}
		};

		/**
		 * Extract useful data out of HTML message
		 *
		 * @param {type} _message
		 * @returns {notificationajaxpopup_L15.notifications.prototype.getData.data}
		 */
		notifications.prototype.getData = function (_message, _extra_data) {
			var parser = new DOMParser();
			var dom = jQuery(parser.parseFromString(_message, 'text/html'));

			var extra_data = _extra_data || {};
			var link = dom.find('div[data-id],div[data-url]');
			var data = {
				message: dom.text(),
				title: link.text(),
				icon: link.find('img').attr('src')
			};
			jQuery.extend(data,link.data(), extra_data);
			return typeof data == 'object'? data: {};
		};


		notifications.prototype.tabToggle = function (_appname)
		{
			for (var i in notifymessages)
			{
				if (notifymessages[i]['extra_data']['app'] == _appname)
				{
					this.filter = _appname;
					this.toggle();
					this.display();
					return true;
				}
			}
			return false;
		};

		/**
		 * toggle notifications container
		 * @param boolean _stat true keeps the popup on
		 */
		notifications.prototype.toggle = function (_stat)
		{
			var $egwpopup = jQuery('#egwpopup');
			var $body = jQuery('body');
			var $counter = jQuery('#topmenu_info_notifications');
			if (!_stat) this.display();
			var self = this;
			if (!$egwpopup.is(":visible"))
			{
				$body.on('click', function(e){
					if (!$counter.is(e.target) && $counter.find(e.target).length == 0 &&
							!$egwpopup.is(e.target) && $egwpopup.has(e.target).length == 0)
					{
						jQuery(this).off(e);
						self.filter = '';
						$egwpopup.toggle('slide');
						egw.loading_prompt('popup_notifications', false);
					}
				});
				egw.loading_prompt('popup_notifications', jQuery("#egwpopup_list").find('.egwpopup_expanded').length>0);
			}
			else
			{
				this.filter = '';
				egw.loading_prompt('popup_notifications', false);
				if (_stat) return;
				$body.off('click');
			}

			if ($egwpopup.length>0) $egwpopup.toggle('slide');
		};

		/**
		 * Set new state of notifications counter
		 * @return number of new messages
		 */
		notifications.prototype.counterUpdate = function ()
		{
			var $topmenu_info_notifications = jQuery('#topmenu_info_notifications');
			var counter = 0;
			var apps = {};

			// set total number
			document.getElementById("egwpopup_header").childNodes[0].textContent = (egw.lang("Notifications")+" ("+this.total+")");
			document.getElementById('topmenu_info_notifications').title = egw.lang('total')+":"+this.total;

			for (var id in notifymessages)
			{
				if (typeof apps[notifymessages[id]['extra_data']['app']] == 'undefined')
				{
					apps[notifymessages[id]['extra_data']['app']] = 0;
				}
				if (notifymessages[id]['status'] != 'SEEN')
				{
					counter++;
					if (typeof apps[notifymessages[id]['extra_data']['app']] != 'undefined')
					{
						apps[notifymessages[id]['extra_data']['app']] +=1;
					}
				}
			}
			if (counter > 0)
			{
				for (var app in apps)
				{
					if (framework.notifyAppTab) framework.notifyAppTab(app, apps[app]);
				}

				$topmenu_info_notifications.addClass('egwpopup_notify');
				framework.topmenu_info_notify('notifications', true, counter,egw.lang('You have %1 unread notifications', counter));
			}
			else
			{
				framework.topmenu_info_notify('notifications', false);
			}
			return counter;
		};

		var self = notifications;
		var langRequire = jQuery('#notifications_script_id').attr('data-langRequire');
		Promise.all([
			egw.langRequire(window, [JSON.parse(langRequire)]),
			egw.preference('notification_chain','notifications', true)
		]).then(() =>
		{
			var $egwpopup_fw = jQuery('#topmenu_info_notifications');
			switch (egw.preference('notification_chain','notifications'))
			{
				case 'popup_only':
				case 'popup_and_email':
				case 'popup_or_email':
				case 'all':
					break;
				default:
					$egwpopup_fw.hide();
					return;
			}
			if (typeof window.app == 'undefined') window.app = {};

			window.onbeforeunload = function()
			{
				if (typeof egw.killAliveNotifications =='function') egw.killAliveNotifications();
			};
			window.app.notifications = new self();
			// toggle notifications bar
			jQuery('.button_right_toggle', '#egwpopup').click(function(){window.app.notifications.toggle();});
			$egwpopup_fw.click(function(){window.app.notifications.toggle();});
			jQuery(".egwpopup_deleteall", '#egwpopup').click(function(_ev){
				_ev.stopPropagation();
				Et2Dialog.show_dialog(function (_button)
					{
						if (_button == 2) window.app.notifications.delete_all();
					},
					egw.lang('Are you sure you want to delete all notifications?'),
					egw.lang('Delete notifications'),
					null, Et2Dialog.BUTTON_YES_NO, Et2Dialog.WARNING_MESSAGE, undefined, egw
				);
			});
			jQuery(".egwpopup_seenall", '#egwpopup').click(function(){window.app.notifications.mark_all_seen()});
		}, this);
	});
})();