/*
    * Copyright (c) 2002-2018, 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.appstore.service;
  
  import fr.paris.lutece.plugins.appstore.business.Component;
  import fr.paris.lutece.portal.service.datastore.DatastoreService;
  import fr.paris.lutece.portal.service.util.AppLogService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.httpaccess.HttpAccess;
  import fr.paris.lutece.util.httpaccess.HttpAccessException;
  
  import org.jsoup.Jsoup;
  
  import org.jsoup.nodes.Document;
  import org.jsoup.nodes.Element;
  
  import org.jsoup.select.Elements;
  
  /**
   * Component Info Service
   */
  public class ComponentInfoService
  {
      private static final String PROPERTY_MAVEN_REPO_URL = "appstore.maven.repository.url";
      private static final String URL_MAVEN_REPO = AppPropertiesService.getProperty( PROPERTY_MAVEN_REPO_URL );
      private static final String PROPERTY_MAVEN_PATH_PLUGINS = "appstore.maven.repository.path.plugins";
      private static final String URL_PLUGINS = URL_MAVEN_REPO + AppPropertiesService.getProperty( PROPERTY_MAVEN_PATH_PLUGINS );
      private static final String PROPERTY_MAVEN_PATH_SITE_POM = "appstore.maven.repository.path.site-pom";
      private static final String URL_SITE_POM = URL_MAVEN_REPO + AppPropertiesService.getProperty( PROPERTY_MAVEN_PATH_SITE_POM );
      private static final String KEY_SITE_POM_VERSION = "appstore.pom.site.version";
      private static final String RELEASE_NOT_FOUND = "Release not found";
  
      /**
       * Set the component's version
       * 
       * @param component
       *            The component
       */
      public static void setReleaseVersion( Component component )
      {
          component.setVersion( getVersion( URL_PLUGINS + component.getArtifactId( ) ) );
      }
  
      /**
       * Set the POM site version
       */
      public static void setPomSiteVersion( )
      {
          String strVersion = getVersion( URL_SITE_POM );
          DatastoreService.setDataValue( KEY_SITE_POM_VERSION, strVersion );
      }
  
      /**
       * Retrieve a version from the maven repository
       * 
       * @param strUrl
       *            The maven repository URL
       * @return The version
       */
      private static String getVersion( String strUrl )
      {
          String strVersion = RELEASE_NOT_FOUND;
  
          try
          {
              HttpAccess httpAccess = new HttpAccess( );
              String strHtml = httpAccess.doGet( strUrl );
              Document jarList = Jsoup.parse( strHtml );
             Elements trList = jarList.select( "td a" );
 
             for ( int i = 0; i < trList.size( ); i++ )
             {
                 Element tr = trList.get( i );
                 String strAnchor = tr.text( );
                 if ( strAnchor.matches( "^[\\d].*" ) )
                 {
                     strVersion = strAnchor.replaceAll( "\\/", "" );
                 }
             }
         }
         catch( HttpAccessException e )
         {
             AppLogService.error( "AppStore - ComponentInfoService : Error retrieving release version : " + e.getMessage( ), e );
         }
 
         return strVersion;
     }
 }