/**
 * plugin.calendarimporter.js zarafa calender to ics im/exporter
 *
 * Author: Christoph Haas <christoph.h@sprinternet.at>
 * Copyright (C) 2012-2016 Christoph Haas
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

Ext.namespace("Zarafa.plugins.calendarimporter");									// Assign the right namespace

Zarafa.plugins.calendarimporter.ImportPlugin = Ext.extend(Zarafa.core.Plugin, {		// create new import plugin

	/**
	 * @constructor
	 * @param {Object} config Configuration object
	 *
	 */
	constructor: function (config) {
		config = config || {};

		Zarafa.plugins.calendarimporter.ImportPlugin.superclass.constructor.call(this, config);
	},

	/**
	 * initialises insertion point for plugin
	 * @protected
	 */
	initPlugin: function () {
		Zarafa.plugins.calendarimporter.ImportPlugin.superclass.initPlugin.apply(this, arguments);

		/* our panel */
		Zarafa.core.data.SharedComponentType.addProperty('plugins.calendarimporter.dialogs.importevents');

		/* directly import received icals */
		this.registerInsertionPoint('common.contextmenu.attachment.actions', this.createAttachmentImportButton);

		/* add settings widget */
		this.registerInsertionPoint('context.settings.category.calendar', this.createSettingsWidget);

		/* export a calendar entry via rightclick */
		this.registerInsertionPoint('context.calendar.contextmenu.actions', this.createItemExportInsertionPoint, this);

		/* ical sync stuff */
		if (container.getSettingsModel().get("zarafa/v1/plugins/calendarimporter/enable_sync") === true) {
			/* edit panel */
			Zarafa.core.data.SharedComponentType.addProperty('plugins.calendarimporter.settings.dialogs.calsyncedit');

			/* enable the settings widget */
			this.registerInsertionPoint('context.settings.category.calendar', this.createSettingsCalSyncWidget);
		}
	},

	/**
	 * This method hooks to the contact context menu and allows users to export users to vcf.
	 *
	 * @param include
	 * @param btn
	 * @returns {Object}
	 */
	createItemExportInsertionPoint: function (include, btn) {
		return {
			text   : dgettext('plugin_files', 'Export Event'),
			handler: this.exportToICS.createDelegate(this, [btn]),
			scope  : this,
			iconCls: 'icon_calendarimporter_export'
		};
	},

	/**
	 * Generates a request to download the selected records as vCard.
	 * @param {Ext.Button} btn
	 */
	exportToICS: function (btn) {
		if (btn.records.length == 0) {
			return; // skip if no records where given!
		}

		var recordIds = [];

		for (var i = 0; i < btn.records.length; i++) {
			recordIds.push(btn.records[i].get("entryid"));
		}

		var responseHandler = new Zarafa.plugins.calendarimporter.data.ResponseHandler({
			successCallback: Zarafa.plugins.calendarimporter.data.Actions.downloadICS,
			scope          : this
		});

		// request attachment preperation
		container.getRequest().singleRequest(
			'calendarmodule',
			'export',
			{
				storeid: btn.records[0].get("store_entryid"),
				records: recordIds
			},
			responseHandler
		);
	},

	/**
	 * Creates the button
	 *
	 * @return {Object} Configuration object for a {@link Ext.Button button}
	 *
	 */
	createSettingsWidget: function () {
		return [{
			xtype: 'calendarimporter.settingswidget'
		}];
	},

	/**
	 * Creates the button
	 *
	 * @return {Object} Configuration object for a {@link Ext.Button button}
	 *
	 */
	createSettingsCalSyncWidget: function () {
		return [{
			xtype: 'calendarimporter.settingscalsyncwidget'
		}];
	},

	/**
	 * Insert import button in all attachment suggestions

	 * @return {Object} Configuration object for a {@link Ext.Button button}
	 */
	createAttachmentImportButton: function (include, btn) {
		return {
			text      : _('Import to Calendar'),
			handler   : this.getAttachmentFileName.createDelegate(this, [btn]),
			scope     : this,
			iconCls   : 'icon_calendarimporter_button',
			beforeShow: function (item, record) {
				var extension = record.data.name.split('.').pop().toLowerCase();

				if (record.data.filetype == "text/calendar" || extension == "ics" || extension == "ifb" || extension == "ical" || extension == "ifbf") {
					item.setVisible(true);
				} else {
					item.setVisible(false);
				}
			}
		};
	},

	/**
	 * Callback for getAttachmentFileName
	 */
	gotAttachmentFileName: function (response) {
		if (response.status == true) {
			this.scope.openImportDialog(response.tmpname);
		} else {
			Zarafa.common.dialogs.MessageBox.show({
				title  : _('Error'),
				msg    : _(response["message"]),
				icon   : Zarafa.common.dialogs.MessageBox.ERROR,
				buttons: Zarafa.common.dialogs.MessageBox.OK
			});
		}
	},

	/**
	 * Clickhandler for the button
	 */
	getAttachmentFileName: function (btn, callback) {
		Zarafa.common.dialogs.MessageBox.show({
			title       : 'Please wait',
			msg         : 'Loading attachment...',
			progressText: 'Initializing...',
			width       : 300,
			progress    : true,
			closable    : false
		});

		// progress bar... ;)
		var f = function (v) {
			return function () {
				if (v == 100) {
					Zarafa.common.dialogs.MessageBox.hide();
				} else {
					Zarafa.common.dialogs.MessageBox.updateProgress(v / 100, Math.round(v) + '% loaded');
				}
			};
		};

		for (var i = 1; i < 101; i++) {
			setTimeout(f(i), 20 * i);
		}

		/* store the attachment to a temporary folder and prepare it for uploading */
		var attachmentRecord = btn.records;
		var attachmentStore = attachmentRecord.store;

		var store = attachmentStore.getParentRecord().get('store_entryid');
		var entryid = attachmentStore.getAttachmentParentRecordEntryId();
		var attachNum = new Array(1);
		if (attachmentRecord.get('attach_num') != -1) {
			attachNum[0] = attachmentRecord.get('attach_num');
		} else {
			attachNum[0] = attachmentRecord.get('tmpname');
		}
		var dialog_attachments = attachmentStore.getId();
		var filename = attachmentRecord.data.name;

		var responseHandler = new Zarafa.plugins.calendarimporter.data.ResponseHandler({
			successCallback: this.gotAttachmentFileName,
			scope          : this
		});

		// request attachment preperation
		container.getRequest().singleRequest(
			'calendarmodule',
			'importattachment',
			{
				entryid           : entryid,
				store             : store,
				attachNum         : attachNum,
				dialog_attachments: dialog_attachments,
				filename          : filename
			},
			responseHandler
		);
	},

	/**
	 * Open the import dialog.
	 * @param {String} filename
	 */
	openImportDialog: function (filename) {
		var componentType = Zarafa.core.data.SharedComponentType['plugins.calendarimporter.dialogs.importevents'];
		var config = {
			filename: filename,
			modal   : true
		};

		Zarafa.core.data.UIFactory.openLayerComponent(componentType, undefined, config);
	},

	/**
	 * 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 {Ext.data.Record} record Optionally passed record.
	 * @return {Number} The bid for the shared component
	 */
	bidSharedComponent: function (type, record) {
		var bid = -1;
		switch (type) {
			case Zarafa.core.data.SharedComponentType['plugins.calendarimporter.dialogs.importevents']:
				bid = 2;
				break;
			case Zarafa.core.data.SharedComponentType['plugins.calendarimporter.settings.dialogs.calsyncedit']:
				bid = 2;
				break;
			case Zarafa.core.data.SharedComponentType['common.contextmenu']:
				if (record instanceof Zarafa.core.data.MAPIRecord) {
					if (record.get('object_type') == Zarafa.core.mapi.ObjectType.MAPI_FOLDER && record.get('container_class') == "IPF.Appointment") {
						bid = 2;
					}
				}
				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 {Ext.data.Record} record Optionally passed record.
	 * @return {Ext.Component} Component
	 */
	getSharedComponent: function (type, record) {
		var component;
		switch (type) {
			case Zarafa.core.data.SharedComponentType['plugins.calendarimporter.dialogs.importevents']:
				component = Zarafa.plugins.calendarimporter.dialogs.ImportContentPanel;
				break;
			case Zarafa.core.data.SharedComponentType['plugins.calendarimporter.settings.dialogs.calsyncedit']:
				component = Zarafa.plugins.calendarimporter.settings.dialogs.CalSyncEditContentPanel;
				break;
			case Zarafa.core.data.SharedComponentType['common.contextmenu']:
				component = Zarafa.plugins.calendarimporter.ui.ContextMenu;
				break;
		}

		return component;
	}
});


/*############################################################################################################################*
 * STARTUP 
 *############################################################################################################################*/
Zarafa.onReady(function () {
	container.registerPlugin(new Zarafa.core.PluginMetaData({
		name             : 'calendarimporter',
		displayName      : _('Calendarimporter Plugin'),
		about            : Zarafa.plugins.calendarimporter.ABOUT,
		pluginConstructor: Zarafa.plugins.calendarimporter.ImportPlugin
	}));
});