/*
    * 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.mylutece.modules.openid.web;
  
  import fr.paris.lutece.plugins.mylutece.web.MyLuteceApp;
  import fr.paris.lutece.portal.service.i18n.I18nService;
  import fr.paris.lutece.portal.service.plugin.Plugin;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.web.xpages.XPage;
  import fr.paris.lutece.portal.web.xpages.XPageApplication;
  import fr.paris.lutece.util.html.HtmlTemplate;
  
  import java.util.HashMap;
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  
  
  /**
   * OpenID XPage Application
   */
  public class OpenIDApp implements XPageApplication
  {
      // Parameters
      public static final String PARAMETER_PAGE = "page";
      public static final String PARAMETER_PAGE_VALUE = "openid";
      public static final String PARAMETER_ERROR = "error";
      private static final String PARAMETER_ACTION = "action";
  
      // Templates
      private static final String TEMPLATE_LOGIN_PAGE = "skin/plugins/mylutece/modules/openid/login_form.html";
  
      // Markers
      private static final String MARK_ERROR_MESSAGE = "error_message";
      private static final String MARK_URL_DOLOGIN = "url_dologin";
  
      // Actions
      private static final String ACTION_LOGIN = "login";
      private static final String PROPERTY_PAGETITLE_LOGIN = "module.mylutece.openid.loginPageTitle";
      private static final String PROPERTY_PATHLABEL_LOGIN = "module.mylutece.openid.loginPagePath";
  
      /**
       * Build the XPage
       * @param request The HTTP request
       * @param nMode The current mode
       * @param plugin The current plugin
       * @return The XPage
       */
      public XPage getPage( HttpServletRequest request, int nMode, Plugin plugin )
      {
          XPage page = new XPage(  );
  
          String strAction = request.getParameter( PARAMETER_ACTION );
          Locale locale = request.getLocale(  );
  
          if ( ( strAction == null ) || strAction.equals( ACTION_LOGIN ) )
          {
              return getLoginPage( page, request, locale );
          }
  
          return page;
      }
  
      /**
       * Build the Login page
       * @param page The XPage object to fill
       * @param request The HTTP request
       * @param locale The current locale
      * @return The XPage object containing the page content
      */
     private XPage getLoginPage( XPage page, HttpServletRequest request, Locale locale )
     {
         HashMap model = new HashMap(  );
 
         String strError = request.getParameter( PARAMETER_ERROR );
         String strErrorMessage = "";
 
         if ( strError != null )
         {
             strErrorMessage = I18nService.getLocalizedString( strError, locale );
         }
 
         model.put( MARK_ERROR_MESSAGE, strErrorMessage );
         model.put( MARK_URL_DOLOGIN, MyLuteceApp.getDoLoginUrl(  ) );
 
         HtmlTemplate template = AppTemplateService.getTemplate( TEMPLATE_LOGIN_PAGE, locale, model );
 
         page.setContent( template.getHtml(  ) );
         page.setTitle( I18nService.getLocalizedString( PROPERTY_PAGETITLE_LOGIN, locale ) );
         page.setPathLabel( I18nService.getLocalizedString( PROPERTY_PATHLABEL_LOGIN, locale ) );
 
         return page;
     }
 }