/*
    * Copyright 2014 James Pether Sörling
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.web.impl.ui.application.views.pageclicklistener;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.hack23.cia.service.api.action.application.LogoutRequest;
  import com.hack23.cia.service.api.action.common.ServiceResponse;
  import com.hack23.cia.service.api.action.common.ServiceResponse.ServiceResult;
  import com.hack23.cia.web.impl.ui.application.views.common.viewnames.CommonsViews;
  import com.vaadin.server.VaadinService;
  import com.vaadin.ui.Button.ClickEvent;
  import com.vaadin.ui.Button.ClickListener;
  import com.vaadin.ui.Notification;
  import com.vaadin.ui.UI;
  
  /**
   * The Class LogoutClickListener.
   */
  public final class LogoutClickListener implements ClickListener {
  
  	/** The Constant LOG_MSG_LOGOUT_FAILURE. */
  	private static final String LOG_MSG_LOGOUT_FAILURE = "Logout {} failure";
  
  	/** The Constant ERROR_MESSAGE. */
  	private static final String ERROR_MESSAGE = "Error message";
  
  	/** The Constant LOGOUT_FAILED. */
  	private static final String LOGOUT_FAILED = "Logout failed";
  
  	/** The Constant serialVersionUID. */
  	private static final long serialVersionUID = 1L;
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory.getLogger(LogoutClickListener.class);
  
  	/** The logout request. */
  	private final LogoutRequest logoutRequest;
  
  	/**
  	 * Instantiates a new logout click listener.
  	 *
  	 * @param logoutRequest
  	 *            the logout request
  	 */
  	public LogoutClickListener(final LogoutRequest logoutRequest) {
  		this.logoutRequest = logoutRequest;
  	}
  
  	@Override
  	public void buttonClick(final ClickEvent event) {
  		final ServiceResponse response = ApplicationMangerAccess.getApplicationManager().service(logoutRequest);
  
  
  		if (ServiceResult.SUCCESS == response.getResult()) {
  			UI.getCurrent().getNavigator().navigateTo(CommonsViews.MAIN_VIEW_NAME);
  			UI.getCurrent().getSession().close();
  			VaadinService.getCurrentRequest().getWrappedSession().invalidate();
  		} else {
  			Notification.show(LOGOUT_FAILED,
  	                  ERROR_MESSAGE,
  	                  Notification.Type.WARNING_MESSAGE);
  			LOGGER.info(LOG_MSG_LOGOUT_FAILURE,logoutRequest.getSessionId());
  		}
  	}
  }