/*
    * 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.portal.web.system;
  
  import fr.paris.lutece.portal.service.daemon.AppDaemonService;
  import fr.paris.lutece.portal.service.i18n.I18nService;
  import fr.paris.lutece.portal.service.message.AdminMessage;
  import fr.paris.lutece.portal.service.message.AdminMessageService;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.web.admin.AdminPageJspBean;
  import fr.paris.lutece.util.html.HtmlTemplate;
  
  import org.apache.commons.lang.StringUtils;
  
  import java.util.HashMap;
  
  import javax.servlet.http.HttpServletRequest;
  
  
  /**
   *
   */
  public class DaemonsJspBean extends AdminPageJspBean
  {
      public static final String RIGHT_DAEMONS_MANAGEMENT = "CORE_DAEMONS_MANAGEMENT";
      private static final long serialVersionUID = 3636973660388119199L;
      private static final String TEMPLATE_MANAGE_DAEMONS = "admin/system/manage_daemons.html";
      private static final String MARK_DAEMONS_LIST = "daemons_list";
      private static final String PARAMETER_DAEMON = "daemon";
      private static final String PARAMETER_ACTION = "action";
      private static final String PARAMETER_INTERVAL = "interval";
      private static final String ACTION_START = "START";
      private static final String ACTION_STOP = "STOP";
      private static final String ACTION_UPDATE_INTERVAL = "UPDATE_INTERVAL";
      private static final String PROPERTY_FIELD_INTERVAL = "portal.system.manage_daemons.columnTitleInterval";
      private static final String MESSAGE_MANDATORY_FIELD = "portal.util.message.mandatoryField";
      private static final String MESSAGE_NUMERIC_FIELD = "portal.util.message.errorNumericField";
  
      /**
       * Build the manage daemon page
       * @param request The HTTP request
       * @return The Manage daemon page
       */
      public String getManageDaemons( HttpServletRequest request )
      {
          HashMap<String, Object> model = new HashMap<String, Object>(  );
          model.put( MARK_DAEMONS_LIST, AppDaemonService.getDaemonEntries(  ) );
  
          HtmlTemplate template = AppTemplateService.getTemplate( TEMPLATE_MANAGE_DAEMONS, getLocale(  ), model );
  
          return getAdminPage( template.getHtml(  ) );
      }
  
      /**
       * Process the daemon action
       * @param request The HTTP request
       * @return The forward URL
       */
      public String doDaemonAction( HttpServletRequest request )
      {
          String strAction = request.getParameter( PARAMETER_ACTION );
          String strDaemonKey = request.getParameter( PARAMETER_DAEMON );
  
          if ( strAction.equalsIgnoreCase( ACTION_START ) )
          {
              AppDaemonService.startDaemon( strDaemonKey );
          }
          else if ( strAction.equalsIgnoreCase( ACTION_STOP ) )
         {
             AppDaemonService.stopDaemon( strDaemonKey );
         }
 
         else if ( strAction.equalsIgnoreCase( ACTION_UPDATE_INTERVAL ) )
         {
             String strErrorMessage = null;
             String strDaemonInterval = request.getParameter( PARAMETER_INTERVAL );
 
             Object[] tabFieldInterval = { I18nService.getLocalizedString( PROPERTY_FIELD_INTERVAL, getLocale(  ) ) };
 
             if ( StringUtils.isEmpty( strDaemonInterval ) )
             {
                 strErrorMessage = MESSAGE_MANDATORY_FIELD;
             }
             else if ( !StringUtils.isNumeric( strDaemonInterval ) )
             {
                 strErrorMessage = MESSAGE_NUMERIC_FIELD;
             }
 
             if ( strErrorMessage != null )
             {
                 return AdminMessageService.getMessageUrl( request, strErrorMessage, tabFieldInterval,
                     AdminMessage.TYPE_STOP );
             }
 
             AppDaemonService.modifyDaemonInterval( strDaemonKey, strDaemonInterval );
         }
 
         return getHomeUrl( request );
     }
 }