/*
    * Copyright (c) 2002-2020, 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.plugins.seo.service;
  
  import fr.paris.lutece.plugins.seo.business.FriendlyUrl;
  import fr.paris.lutece.plugins.seo.business.FriendlyUrlHome;
  import fr.paris.lutece.plugins.seo.business.UrlRewriterRule;
  import fr.paris.lutece.plugins.seo.business.UrlRewriterRuleHome;
  import fr.paris.lutece.portal.service.datastore.DatastoreService;
  import fr.paris.lutece.portal.service.i18n.I18nService;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.service.util.AppPathService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.html.HtmlTemplate;
  
  import org.apache.commons.io.FileUtils;
  
  import java.io.File;
  import java.io.IOException;
  
  import java.text.DateFormat;
  import java.text.MessageFormat;
  
  import java.util.Collection;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  
  /**
   * RuleFileService
   */
  public final class RuleFileService
  {
      private static final String TEMPLATE_FILE = "/admin/plugins/seo/urlrewrite.xml";
      private static final String MARK_RULES_LIST = "rules_list";
      private static final String MARK_URL_LIST = "url_list";
      private static final String PROPERTY_FILE = "seo.configFilePath";
      private static final String PROPERTY_REWRITE_CONFIG_LOG = "seo.config.log";
  
      /**
       * Private constructor
       */
      private RuleFileService( )
      {
      }
  
      /**
       * Generate the rule file
       * 
       * @throws java.io.IOException
       *             If an error occurs
       */
      public static void generateFile( ) throws IOException
      {
          String strFilePath = AppPathService.getWebAppPath( ) + AppPropertiesService.getProperty( PROPERTY_FILE );
          File file = new File( strFilePath );
          FileUtils.writeStringToFile( file, generateFileContent( ) );
      }
  
      /**
       * Generate the rule file content
       * 
       * @return The file content
       */
      private static String generateFileContent( )
      {
          HashMap model = new HashMap( );
         Collection<UrlRewriterRule> listRules = UrlRewriterRuleHome.findAll( );
         List<FriendlyUrl> listUrl = FriendlyUrlHome.findAll( );
 
         model.put( MARK_RULES_LIST, listRules );
         model.put( MARK_URL_LIST, listUrl );
 
         HtmlTemplate t = AppTemplateService.getTemplate( TEMPLATE_FILE, Locale.getDefault( ), model );
 
         String strResult = "OK";
         String strDate = DateFormat.getDateTimeInstance( ).format( new Date( ) );
         Object [ ] args = {
                 strDate, listRules.size( ) + listUrl.size( ), strResult
         };
         String strLogFormat = I18nService.getLocalizedString( PROPERTY_REWRITE_CONFIG_LOG, Locale.getDefault( ) );
         String strLog = MessageFormat.format( strLogFormat, args );
         DatastoreService.setDataValue( SEODataKeys.KEY_REWRITE_CONFIG_UPDATE, strLog );
         DatastoreService.setDataValue( SEODataKeys.KEY_CONFIG_UPTODATE, DatastoreService.VALUE_TRUE );
 
         String strFileContent = t.getHtml( );
 
         int nStartXml = strFileContent.indexOf( "<?xml" );
         if ( nStartXml != 0 )
         {
             strFileContent = strFileContent.substring( nStartXml );
         }
 
         return strFileContent;
     }
 }