package org.apache.maven.report.projectinfo;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.doxia.sink.Sink;
  import org.apache.maven.model.MailingList;
  import org.apache.maven.model.Model;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.codehaus.plexus.i18n.I18N;
  import org.codehaus.plexus.util.StringUtils;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Locale;
  
  /**
   * Generates the Mailing Lists report.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter </a>
   * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton </a>
   * @since 2.0
   */
  @Mojo( name = "mailing-lists" )
  public class MailingListsReport
      extends AbstractProjectInfoReport
  {
      // ----------------------------------------------------------------------
      // Public methods
      // ----------------------------------------------------------------------
  
      @Override
      public boolean canGenerateReport()
      {
          boolean result = super.canGenerateReport();
          if ( result && skipEmptyReport )
          {
              result = !isEmpty( getProject().getModel().getMailingLists() );
          }
  
          return result;
      }
  
      @Override
      public void executeReport( Locale locale )
      {
          MailingListsRenderer r =
              new MailingListsRenderer( getSink(), getProject().getModel(), getI18N( locale ), locale );
  
          r.render();
      }
  
      /**
       * {@inheritDoc}
       */
      public String getOutputName()
      {
          return "mailing-lists";
      }
  
      @Override
      protected String getI18Nsection()
      {
          return "mailing-lists";
      }
  
      // ----------------------------------------------------------------------
      // Private
      // ----------------------------------------------------------------------
  
      /**
       * Internal renderer class
       */
      protected static class MailingListsRenderer
          extends AbstractProjectInfoRenderer
      {
          private final Model model;
  
          MailingListsRenderer( Sink sink, Model model, I18N i18n, Locale locale )
          {
              super( sink, i18n, locale );
              this.model = model;
 
         }
 
         @Override
         protected String getI18Nsection()
         {
             return "mailing-lists";
         }
 
         @Override
         public void renderBody()
         {
             List<MailingList> mailingLists = model.getMailingLists();
 
             if ( mailingLists == null || mailingLists.isEmpty() )
             {
                 startSection( getTitle() );
 
                 paragraph( getI18nString( "nolist" ) );
 
                 endSection();
 
                 return;
             }
 
             startSection( getTitle() );
 
             paragraph( getI18nString( "intro" ) );
 
             startTable();
 
             // To beautify the display with other archives
             boolean otherArchives = false;
             for ( MailingList m : mailingLists )
             {
                 if ( m.getOtherArchives() != null && !m.getOtherArchives().isEmpty() )
                 {
                     otherArchives = true;
                 }
             }
 
             String name = getI18nString( "column.name" );
             String subscribe = getI18nString( "column.subscribe" );
             String unsubscribe = getI18nString( "column.unsubscribe" );
             String post = getI18nString( "column.post" );
             String archive = getI18nString( "column.archive" );
             String archivesOther = getI18nString( "column.otherArchives" );
 
             if ( otherArchives )
             {
                 tableHeader( new String[] { name, subscribe, unsubscribe, post, archive, archivesOther } );
             }
             else
             {
                 tableHeader( new String[] { name, subscribe, unsubscribe, post, archive } );
             }
 
             for ( MailingList mailingList : model.getMailingLists() )
             {
                 List<String> textRow = new ArrayList<>();
 
                 // Validate here subsribe/unsubsribe lists and archives?
                 textRow.add( mailingList.getName() );
 
                 textRow.add( createLinkPatternedText( subscribe, mailingList.getSubscribe() ) );
 
                 textRow.add( createLinkPatternedText( unsubscribe, mailingList.getUnsubscribe() ) );
 
                 if ( mailingList.getPost() != null && mailingList.getPost().length() > 0 )
                 {
                     textRow.add( createLinkPatternedText( post, mailingList.getPost() ) );
                 }
                 else
                 {
                     textRow.add( "-" );
                 }
 
                 if ( mailingList.getArchive() != null && mailingList.getArchive().length() > 0 )
                 {
                     textRow.add( createLinkPatternedText( getArchiveServer( mailingList.getArchive() ),
                                                           mailingList.getArchive() ) );
                 }
                 else
                 {
                     textRow.add( "-" );
                 }
 
                 if ( mailingList.getOtherArchives() != null && !mailingList.getOtherArchives().isEmpty() )
                 {
                     // For the first line
                     Iterator<String> it = mailingList.getOtherArchives().iterator();
                     String otherArchive = it.next();
 
                     textRow.add( createLinkPatternedText( getArchiveServer( otherArchive ), otherArchive ) );
 
                     tableRow( textRow.toArray( new String[textRow.size()] ) );
 
                     // Other lines...
                     while ( it.hasNext() )
                     {
                         otherArchive = it.next();
 
                         // Reinit the list to beautify the display
                         textRow = new ArrayList<>();
 
                         // Name
                         textRow.add( " " );
 
                         // Subscribe
                         textRow.add( " " );
 
                         // UnSubscribe
                         textRow.add( " " );
 
                         // Post
                         textRow.add( " " );
 
                         // Archive
                         textRow.add( " " );
 
                         textRow.add( createLinkPatternedText( getArchiveServer( otherArchive ), otherArchive ) );
 
                         tableRow( textRow.toArray( new String[textRow.size()] ) );
                     }
                 }
                 else
                 {
                     if ( otherArchives )
                     {
                         textRow.add( null );
                     }
 
                     tableRow( textRow.toArray( new String[textRow.size()] ) );
                 }
             }
 
             endTable();
 
             endSection();
         }
 
         /**
          * Convenience method to return the name of a web-based mailing list archive server. <br>
          * For instance, if the archive uri is <code>http://www.mail-archive.com/dev@maven.apache.org</code>, this
          * method return <code>www.mail-archive.com</code>
          *
          * @param uri
          * @return the server name of a web-based mailing list archive server
          */
         private static String getArchiveServer( String uri )
         {
             if ( StringUtils.isEmpty( uri ) )
             {
                 return "???UNKNOWN???";
             }
 
             int at = uri.indexOf( "//" );
             int fromIndex;
             if ( at >= 0 )
             {
                 fromIndex = uri.lastIndexOf( '/', at - 1 ) >= 0 ? 0 : at + 2;
             }
             else
             {
                 fromIndex = 0;
             }
 
             int from = uri.indexOf( '/', fromIndex );
 
             if ( from == -1 )
             {
                 return uri.substring( at + 2 );
             }
 
             return uri.substring( at + 2, from );
         }
     }
 }