/*
    * Copyright (c) 2002-2022, City of 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.portal.web;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  
  import fr.paris.lutece.portal.service.content.ContentService;
  import fr.paris.lutece.portal.service.content.XPageAppService;
  import fr.paris.lutece.portal.service.message.ISiteMessageHandler;
  import fr.paris.lutece.portal.service.message.SiteMessageException;
  import fr.paris.lutece.portal.service.plugin.Plugin;
  import fr.paris.lutece.portal.service.plugin.PluginService;
  import fr.paris.lutece.portal.service.portal.StandaloneAppService;
  import fr.paris.lutece.portal.service.security.UserNotSignedException;
  import fr.paris.lutece.portal.service.spring.SpringContextService;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.service.util.AppPathService;
  import fr.paris.lutece.portal.web.xpages.XPageApplicationEntry;
  import fr.paris.lutece.util.html.HtmlTemplate;
  
  /**
   * Class of the StandaloneAppJspBean object.
   */
  public class StandaloneAppJspBean
  {
      // //////////////////////////////////////////////////////////////////////////
      // Constants
      private static final int MODE_HTML = 0;
      private static final String TEMPLATE_STANDALONE = "skin/site/standalone_app.html";
      private static final String MARK_ENTRY_LIST = "entry_list";
      private static final String MARK_BASE_URL = "base_url";
      private static final String MARK_CORE_PLUGIN = "core_plugin";
      private static final String BEAN_SITE_MESSAGE_HANDLER = "siteMessageHandler";
  
      /**
       * Returns the content of a page according to the parameters found in the http request. One distinguishes article, page and xpage and the mode.
       *
       * @param request
       *            The http request
       * @return the html code for the display of a page of a site
       * @throws UserNotSignedException
       *             The UserNotSignedException
       * @throws SiteMessageException
       *             occurs when a site message need to be displayed
       */
      public String getContent( HttpServletRequest request ) throws UserNotSignedException, SiteMessageException
      {
          return getContent( request, MODE_HTML );
      }
  
      /**
       * Returns the content of a page according to the parameters found in the http request. One distinguishes article, page and xpage and the mode.
       *
       * @param request
       *            The http request
       * @param nMode
       *            The mode (normal or administration)
       * @return the html code for the display of a page of a site
       * @throws UserNotSignedException
       *             The UserNotSignedException
       * @throws SiteMessageException
      *             occurs when a site message need to be displayed
      */
     public String getContent( HttpServletRequest request, int nMode ) throws UserNotSignedException, SiteMessageException
     {
         // Handle site messages first
         ISiteMessageHandler handlerSiteMessage = SpringContextService.getBean( BEAN_SITE_MESSAGE_HANDLER );
 
         if ( handlerSiteMessage.hasMessage( request ) )
         {
             return handlerSiteMessage.getPage( request, nMode );
         }
 
         ContentService csStandalone = new StandaloneAppService( );
         String htmlPage = csStandalone.getPage( request, nMode );
 
         if ( htmlPage == null )
         {
             // Return the welcome page
             return getPluginList( request );
         }
 
         return htmlPage;
     }
 
     /**
      * Display the list of plugins app installed on the instance of lutece
      *
      * @param request
      *            The HTTP request
      * @return the list
      */
     public String getPluginList( HttpServletRequest request )
     {
         HashMap<String, Object> modelList = new HashMap<>( );
         Collection<XPageApplicationEntry> entryList = new ArrayList<>( );
         Locale locale = ( request == null ) ? null : request.getLocale( );
 
         Collection<XPageApplicationEntry> applications = XPageAppService.getXPageApplicationsList( );
         List<XPageApplicationEntry> applicationsSorted = new ArrayList<>( applications );
 
         Collections.sort( applicationsSorted, ( XPageApplicationEntry../../fr/paris/lutece/portal/web/xpages/XPageApplicationEntry.html#XPageApplicationEntry">XPageApplicationEntry c1, XPageApplicationEntry c2 ) -> {
             Plugin p1 = ( c1.getPlugin( ) == null ) ? PluginService.getCore( ) : c1.getPlugin( );
             Plugin p2 = ( c2.getPlugin( ) == null ) ? PluginService.getCore( ) : c2.getPlugin( );
 
             return p1.getName( ).compareTo( p2.getName( ) );
         } );
 
         // Scan of the list
         for ( XPageApplicationEntry entry : applicationsSorted )
         {
             if ( entry.isEnable( ) )
             {
                 entryList.add( entry );
             }
         }
 
         // Insert the rows in the list
         modelList.put( MARK_ENTRY_LIST, entryList );
         modelList.put( MARK_BASE_URL, AppPathService.getBaseUrl( request ) );
         modelList.put( MARK_CORE_PLUGIN, PluginService.getCore( ) );
 
         HtmlTemplate templateList = AppTemplateService.getTemplate( TEMPLATE_STANDALONE, locale, modelList );
 
         return templateList.getHtml( );
     }
 }