/*
    * Copyright (c) 2002-2014, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.extend.modules.feedback.web;
  
  import fr.paris.lutece.plugins.extend.modules.feedback.business.config.FeedbackExtenderConfig;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.ExtendFeedbackService;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.FeedbackCaptchaService;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.FeedbackPlugin;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.IExtendFeedbackService;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.IFeedbackCaptchaService;
  import fr.paris.lutece.plugins.extend.modules.feedback.service.extender.FeedbackResourceExtender;
  import fr.paris.lutece.plugins.extend.modules.feedback.util.constants.FeedbackConstants;
  import fr.paris.lutece.plugins.extend.service.extender.config.IResourceExtenderConfigService;
  import fr.paris.lutece.portal.service.message.SiteMessage;
  import fr.paris.lutece.portal.service.message.SiteMessageException;
  import fr.paris.lutece.portal.service.message.SiteMessageService;
  import fr.paris.lutece.portal.service.plugin.Plugin;
  import fr.paris.lutece.portal.service.security.UserNotSignedException;
  import fr.paris.lutece.portal.service.spring.SpringContextService;
  import fr.paris.lutece.portal.web.constants.Messages;
  import fr.paris.lutece.portal.web.xpages.XPage;
  import fr.paris.lutece.portal.web.xpages.XPageApplication;
  
  
  import javax.servlet.http.HttpServletRequest;
  
  import org.apache.commons.lang3.StringUtils;
  
  
  
  
  /**
   *
   * FeedbackApp
   *
   */
  public class FeedbackApp implements XPageApplication
  {
      /**
  	 * 
  	 */
  	private static final long serialVersionUID = 7290027035637324504L;
  	// TEMPLATES
      private IFeedbackCaptchaService _feedbackCaptchaService = SpringContextService.getBean( FeedbackCaptchaService.BEAN_SERVICE );
      private IExtendFeedbackService _extendFeedbackService = SpringContextService.getBean( ExtendFeedbackService.BEAN_SERVICE );
      private IResourceExtenderConfigService _configService = SpringContextService.getBean( FeedbackConstants.BEAN_CONFIG_SERVICE );
      
      /**
       * {@inheritDoc}
       */
      @Override
      public XPage getPage( HttpServletRequest request, int nMode, Plugin plugin )
          throws UserNotSignedException, SiteMessageException
      {
          // Test the captcha
          _feedbackCaptchaService.validateCaptcha( request );
          
          String strIdExtendableResource = request.getParameter( FeedbackConstants.PARAMETER_ID_EXTENDABLE_RESOURCE );
          String strExtendableResourceType = request.getParameter( FeedbackConstants.PARAMETER_EXTENDABLE_RESOURCE_TYPE );
          
          FeedbackExtenderConfig config = _configService.find( FeedbackResourceExtender.RESOURCE_EXTENDER, strIdExtendableResource, strExtendableResourceType );
          String strBackUrl = getBackUrl( request );
          
          if ( !_extendFeedbackService.isAuthorized( request, config ) )
          {
          	throw new UserNotSignedException( );
          }
  
         if ( _extendFeedbackService.doSubmitFeedback( request ) )
         {            
             SiteMessageService.setMessage( request, FeedbackConstants.MESSAGE_MESSAGE_SENT,
             		null, null, null, null, SiteMessage.TYPE_CONFIRMATION, null, strBackUrl );          
         }
 
         SiteMessageService.setMessage( request, Messages.MANDATORY_FIELDS, SiteMessage.TYPE_STOP );
 
         return null;
     }
     
     /**
      * Get backUrl
      * @param request
      * @return
      */
     private String getBackUrl ( HttpServletRequest request )
     {   	
         String strIdExtendableResource = request.getParameter( FeedbackConstants.PARAMETER_ID_EXTENDABLE_RESOURCE );
     	String strBackUrl = ( String ) request.getSession( ).getAttribute( FeedbackPlugin.PLUGIN_NAME + FeedbackConstants.PARAMETER_SESSION_BACK_URL + strIdExtendableResource );
     	
     	if( StringUtils.isEmpty( strBackUrl ) )
     	{
             String strbackUrl = request.getHeader( FeedbackConstants.PARAMETER_REFERER );
 
             request.getSession( ).setAttribute( FeedbackPlugin.PLUGIN_NAME + FeedbackConstants.PARAMETER_SESSION_BACK_URL  + strIdExtendableResource , strbackUrl );
             
             return strbackUrl;
     	}
     	
     	return strBackUrl;
     }
 }