Ext.namespace('Zarafa.plugins.emailtracking');

/**
 * @class Zarafa.plugins.emailtracking.EmailTrackingPlugin
 * @extends Zarafa.core.Plugin
 */
Zarafa.plugins.emailtracking.EmailTrackingPlugin = Ext.extend(Zarafa.core.Plugin, {
	/*
	 * Called after constructor.
	 * Registers insertion points.
	 * @protected
	 */
	initPlugin : function()
	{	
		Zarafa.plugins.emailtracking.EmailTrackingPlugin.superclass.initPlugin.apply(this, arguments);

		// Tracking button in mailcreatecontentpanel
		this.registerInsertionPoint('context.mail.mailcreatecontentpanel.toolbar.options', this.showTrackButton, this);

		// Insertion point which shows the read status
		this.registerInsertionPoint('previewpanel.toolbar.detaillinks', this.showTrackingInfo, this);

		Zarafa.core.data.SharedComponentType.addProperty('plugin.emailtracking.ui.trackinginfopanel');
	},
	/**
	 * Displays Tracking information in the previewpanel  
	 *
	 * @return {Object} a box which on record update displays Tracking information
	 */
	showTrackingInfo : function() 
	{
		return {
			xtype: 'button',
			style: 'margin-top: 4px; border: 2px solid red;',
			plugins : [ 'zarafa.recordcomponentupdaterplugin' ],
			autoEl: {
				tag: 'div',
				ref: 'trackingInfoBox'
			},
			scope : this,
			update : this.onTrackingInfo,
			handler : this.onTrackingButton
		};
	},

	/**
	 * Handler for the button which is displayed when a encrypted / signed message is openend
	 * When an encrypted message is opened, we will send a request to unlock the certificate.
	 * When an signed email is openend, we will show a popup with extra information about the signed message
	 */
	onTrackingButton: function(button, config)
	{
		var user = container.getUser();

		container.getRequest().singleRequest(
			'plugintrackingmodule',
			'gettrackinglog',
			{
				'trackingid' : button.record.get("trackingcode"),
				'user' : user.getSMTPAddress()
			},
			new Zarafa.plugins.emailtracking.data.ResponseHandler({
				successCallback : this.onTrackingLogLoaded
			})
		);
	},

	onTrackingLogLoaded: function(response) {
		if(response.status) {
			Zarafa.core.data.UIFactory.openLayerComponent(Zarafa.core.data.SharedComponentType['plugin.emailtracking.ui.trackinginfopanel'], response, {
				manager: Ext.WindowMgr
			});
		} else {
			container.getNotifier().notify('info.saved', _('Error'), "No tracking log available!");
		}
	},

	/**
	 * Function which displays information in the previewpanel.
	 * In the case of a encrypted message, we either show a button to unlock the certificate
	 * or shows the message that the message has been decrypted.
	 * If the message is signed we display information depending on the state of the verification.
	 *
	 * @param {Zarafa.core.data.IPMRecord} record record which is displayed
	 * @param {Boolean} contentReset force the component to perform a full update of the data.
	 */
	onTrackingInfo : function(record, resetContent) {
		// Set button.record for use in onSmimeButton
		this.record = record;
		var infoBox = this.getEl();

		// Set smimeBox to empty value by default, to override previous S/MIME message text
		infoBox.update("");

		if (this.record.opened) {
			// get the tracking code from the body
			var body = this.record.getBody(true);
			var trackingRegex = /(?:^|.*)track.php\?img=(.*?)(?:\"|\s|$)/g;
			var match = trackingRegex.exec(body);

			if(match) {
				infoBox.update("This message is getting tracked (" + match[1] + ")");
				infoBox.show();
				this.record.set("trackingcode", match[1]);
			}
		} else {
			infoBox.hide();
		}
	},

	/**
	 * Create button which adds some tracking specials to the mail content.
	 *
	 * @return {Config} creates a button for tracking email
	 */
	showTrackButton : function() 
	{
		return {
			xtype : 'button',
			text : _('Track'),
			tooltip: {
				title: _('Track message'),
				text: _('Track this message and get detailed information about the current status.')
			},
			iconCls : 'icon_tracking_off',
			handler : this.onTrackButton,
			scope : this
		};
	},

	/**
	 * Handler for the sign button, when clicked it checks if the private certificate exists.
	 * If we have signing already set and click it again, we unset it.
	 * If we already set have encryption set, we set a special message_class for both sign+ecnrypt.
	 *
	 *
	 * @param {Ext.button} button
	 * @param {Object} config
	 */
	onTrackButton : function(button, config)
	{
		var owner = button.ownerCt;
		var record = owner.record;
		var doTrack = button.iconCls === "icon_tracking_on" ? false : true;
		if(record && doTrack) {
			button.setIconClass('icon_tracking_on');
			record.set('message_class', 'IPM.Note.Tracking');
			record.set('entryid', record.entryid);
		} else {
			record.set('message_class', 'IPM.Note');
			button.setIconClass('icon_tracking_off');
		}

		owner.dialog.saveRecord();
	},

	/*
	 * Bid for the type of shared component
	 * and the given record.
	 * This will bid on calendar.dialogs.importevents
	 * @param {Zarafa.core.data.SharedComponentType} type Type of component a context can bid for.
	 * @param {Zarafa.mail.dialogs.MailCreateContentPanel} owner Optionally passed panel
	 * @return {Number} The bid for the shared component
	 */
	bidSharedComponent : function(type, record) {
		var bid = -1;

		switch(type) {
			case Zarafa.core.data.SharedComponentType['plugin.emailtracking.ui.trackinginfopanel']:
				bid = 1;
				break;
		}
		return bid;
	},

	/**
	 * Will return the reference to the shared component.
	 * Based on the type of component requested a component is returned.
	 * @param {Zarafa.core.data.SharedComponentType} type Type of component a context can bid for.
	 * @param {Zarafa.mail.dialogs.MailCreateContentPanel} owner Optionally passed panel
	 * @return {Ext.Component} Component
	 */
	getSharedComponent : function(type, record) {
		var component;

		switch(type) {
			case Zarafa.core.data.SharedComponentType['plugin.emailtracking.ui.trackinginfopanel']:
				component = Zarafa.plugins.emailtracking.ui.TrackingInfoPanel;
				break;
		}

		return component;
	}
});

Zarafa.onReady(function() {
	container.registerPlugin(new Zarafa.core.PluginMetaData({
		name : 'emailtracking',
		displayName : _('Tracking Plugin'),
		pluginConstructor : Zarafa.plugins.emailtracking.EmailTrackingPlugin
	}));
});