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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * 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.
 */

package com.liferay.calendar.notification.impl;

import com.liferay.calendar.constants.CalendarPortletKeys;
import com.liferay.calendar.model.Calendar;
import com.liferay.calendar.model.CalendarBooking;
import com.liferay.calendar.model.CalendarNotificationTemplate;
import com.liferay.calendar.notification.NotificationTemplateType;
import com.liferay.calendar.notification.NotificationType;
import com.liferay.calendar.service.CalendarNotificationTemplateLocalServiceUtil;
import com.liferay.calendar.util.CalendarUtil;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.model.Company;
import com.liferay.portal.kernel.model.Group;
import com.liferay.portal.kernel.model.GroupConstants;
import com.liferay.portal.kernel.model.Layout;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.service.CompanyLocalServiceUtil;
import com.liferay.portal.kernel.service.GroupLocalServiceUtil;
import com.liferay.portal.kernel.service.LayoutLocalServiceUtil;
import com.liferay.portal.kernel.util.FastDateFormatFactoryUtil;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.StringPool;

import java.io.Serializable;

import java.text.Format;

import java.util.HashMap;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.TimeZone;

import javax.portlet.PortletConfig;
import javax.portlet.WindowState;

/**
 * @author Eduardo Lundgren
 */
public class NotificationTemplateContextFactory {

	public static NotificationTemplateContext getInstance(
			NotificationType notificationType,
			NotificationTemplateType notificationTemplateType,
			CalendarBooking calendarBooking, User user)
		throws Exception {

		CalendarBooking parentCalendarBooking =
			calendarBooking.getParentCalendarBooking();

		Calendar calendar = parentCalendarBooking.getCalendar();

		NotificationTemplateContext notificationTemplateContext =
			new NotificationTemplateContext();

		CalendarNotificationTemplate calendarNotificationTemplate =
			CalendarNotificationTemplateLocalServiceUtil.
				fetchCalendarNotificationTemplate(
					calendar.getCalendarId(), notificationType,
					notificationTemplateType);

		notificationTemplateContext.setCalendarNotificationTemplate(
			calendarNotificationTemplate);

		notificationTemplateContext.setCompanyId(
			calendarBooking.getCompanyId());
		notificationTemplateContext.setGroupId(calendarBooking.getGroupId());
		notificationTemplateContext.setCalendarId(calendar.getCalendarId());
		notificationTemplateContext.setNotificationTemplateType(
			notificationTemplateType);
		notificationTemplateContext.setNotificationType(notificationType);

		// Attributes

		Map attributes = new HashMap<>();

		TimeZone userTimezone = user.getTimeZone();

		Format dateFormatDateTime = FastDateFormatFactoryUtil.getDateTime(
			user.getLocale(),
			CalendarUtil.getCalendarBookingDisplayTimeZone(
				calendarBooking, userTimezone));

		String userTimezoneDisplayName = userTimezone.getDisplayName(
			false, TimeZone.SHORT, user.getLocale());

		String endTime =
			dateFormatDateTime.format(calendarBooking.getEndTime()) +
				StringPool.SPACE + userTimezoneDisplayName;

		attributes.put("endTime", endTime);

		attributes.put("location", calendarBooking.getLocation());

		Group group = GroupLocalServiceUtil.getGroup(
			user.getCompanyId(), GroupConstants.GUEST);

		String portalURL = _getPortalURL(
			group.getCompanyId(), group.getGroupId());

		attributes.put("portalURL", portalURL);

		PortletConfig portletConfig = getPortletConfig();

		ResourceBundle resourceBundle = portletConfig.getResourceBundle(
			user.getLocale());

		attributes.put(
			"portletName",
			LanguageUtil.get(
				resourceBundle,
				"javax.portlet.title.".concat(CalendarPortletKeys.CALENDAR)));

		String startTime =
			dateFormatDateTime.format(calendarBooking.getStartTime()) +
				StringPool.SPACE + userTimezoneDisplayName;

		attributes.put("startTime", startTime);

		attributes.put("title", calendarBooking.getTitle(user.getLocale()));

		String calendarBookingURL = _getCalendarBookingURL(
			user, calendarBooking.getCalendarBookingId());

		attributes.put("url", calendarBookingURL);

		notificationTemplateContext.setAttributes(attributes);

		return notificationTemplateContext;
	}

	public static PortletConfig getPortletConfig() {
		return _portletConfig;
	}

	public static void setPortletConfig(PortletConfig portletConfig) {
		_portletConfig = portletConfig;
	}

	private static String _getCalendarBookingURL(
			User user, long calendarBookingId)
		throws PortalException {

		Group group = GroupLocalServiceUtil.getGroup(
			user.getCompanyId(), GroupConstants.GUEST);

		Layout layout = LayoutLocalServiceUtil.fetchLayout(
			group.getDefaultPublicPlid());

		String portalURL = _getPortalURL(
			group.getCompanyId(), group.getGroupId());

		String layoutActualURL = PortalUtil.getLayoutActualURL(layout);

		String url = portalURL + layoutActualURL;

		String namespace = PortalUtil.getPortletNamespace(
			CalendarPortletKeys.CALENDAR);

		url = HttpUtil.addParameter(
			url, namespace + "mvcPath", "/view_calendar_booking.jsp");

		url = HttpUtil.addParameter(
			url, "p_p_id", CalendarPortletKeys.CALENDAR);
		url = HttpUtil.addParameter(url, "p_p_lifecycle", "0");
		url = HttpUtil.addParameter(
			url, "p_p_state", WindowState.MAXIMIZED.toString());
		url = HttpUtil.addParameter(
			url, namespace + "calendarBookingId", calendarBookingId);

		return url;
	}

	private static String _getPortalURL(long companyId, long groupId)
		throws PortalException {

		Company company = CompanyLocalServiceUtil.getCompany(companyId);

		return company.getPortalURL(groupId);
	}

	private static PortletConfig _portletConfig;

}