package org.apache.maven.index;
   
   /*
    * 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.lucene.search.BooleanClause;
  import org.apache.lucene.search.BooleanQuery;
  import org.apache.maven.index.context.IndexCreator;
  import org.apache.maven.index.context.IndexingContext;
  import org.apache.maven.index.expr.StringSearchExpression;
  import org.apache.maven.index.packer.IndexPacker;
  import org.apache.maven.index.packer.IndexPackingRequest;
  import org.codehaus.plexus.PlexusTestCase;
  import org.codehaus.plexus.util.FileUtils;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  /**
   * @author Olivier Lamy
   */
  public class SearchWithAnEmptyIndexTest
      extends PlexusTestCase
  {
      protected List<IndexCreator> indexCreators;
  
      private NexusIndexer nexusIndexer;
  
      static final String INDEX_ID1 = "osgi-test1";
  
      static final String INDEX_ID2 = "empty-repo";
  
      private IndexPacker indexPacker;
  
      @Override
      public void setUp()
          throws Exception
      {
          super.setUp();
  
          indexCreators = this.getContainer().lookupList( IndexCreator.class );
  
          nexusIndexer = this.lookup( NexusIndexer.class );
  
          indexPacker = this.lookup( IndexPacker.class );
  
          if ( !nexusIndexer.getIndexingContexts().isEmpty() )
          {
              for ( IndexingContext context : nexusIndexer.getIndexingContexts().values() )
              {
                  nexusIndexer.removeIndexingContext( context, true );
              }
          }
      }
  
      public void testWithTwoContextWithOneEmptyFirstInContextsListSearchFlat()
          throws Exception
      {
  
          String repoPath = "target/test/empty-repo-for-searchtest";
  
          File emptyRepo = new File( getBasedir(), repoPath );
  
          if ( emptyRepo.exists() )
          {
              FileUtils.deleteDirectory( emptyRepo );
          }
  
          emptyRepo.mkdirs();
  
          //createIndex( "/src/test/repo", repoPath + "/.index", INDEX_ID2 );
          createIndex( repoPath, repoPath, INDEX_ID2 );
  
          createIndex( "src/test/repo-with-osgi", "target/test/repo-with-osgi/", INDEX_ID1 );
  
          try
          {
              BooleanQuery q = new BooleanQuery();
  
              q.add( nexusIndexer.constructQuery( OSGI.SYMBOLIC_NAME,
                                                  new StringSearchExpression( "org.apache.karaf.features.command" ) ),
                    BooleanClause.Occur.MUST );
 
             FlatSearchRequest request = new FlatSearchRequest( q );
             assertEquals( 2, nexusIndexer.getIndexingContexts().values().size() );
             request.setContexts( Arrays.asList( nexusIndexer.getIndexingContexts().get( INDEX_ID2 ),
                                                 nexusIndexer.getIndexingContexts().get( INDEX_ID1 ) ) );
 
             FlatSearchResponse response = nexusIndexer.searchFlat( request );
 
             assertEquals( 1, response.getResults().size() );
 
             q = new BooleanQuery();
 
             q.add( nexusIndexer.constructQuery( OSGI.SYMBOLIC_NAME,
                                                 new StringSearchExpression( "org.apache.karaf.features.core" ) ),
                    BooleanClause.Occur.MUST );
 
             request = new FlatSearchRequest( q );
             request.setContexts( new ArrayList( nexusIndexer.getIndexingContexts().values() ) );
 
             response = nexusIndexer.searchFlat( request );
 
             assertEquals( 2, response.getResults().size() );
 
             String term = "org.apache.karaf.features";
 
             q = new BooleanQuery();
 
             q.add( nexusIndexer.constructQuery( MAVEN.GROUP_ID, new StringSearchExpression( term ) ),
                    BooleanClause.Occur.SHOULD );
             q.add( nexusIndexer.constructQuery( MAVEN.ARTIFACT_ID, new StringSearchExpression( term ) ),
                    BooleanClause.Occur.SHOULD );
             q.add( nexusIndexer.constructQuery( MAVEN.VERSION, new StringSearchExpression( term ) ),
                    BooleanClause.Occur.SHOULD );
             q.add( nexusIndexer.constructQuery( MAVEN.PACKAGING, new StringSearchExpression( term ) ),
                    BooleanClause.Occur.SHOULD );
             q.add( nexusIndexer.constructQuery( MAVEN.CLASSNAMES, new StringSearchExpression( term ) ),
                    BooleanClause.Occur.SHOULD );
 
             request = new FlatSearchRequest( q );
             request.setContexts( new ArrayList( nexusIndexer.getIndexingContexts().values() ) );
 
             response = nexusIndexer.searchFlat( request );
 
             System.out.println( " result size with term usage " + response.getResults().size() );
 
             assertEquals( 3, response.getResults().size() );
 
         }
         finally
         {
             closeAllIndexs();
         }
     }
 
     /**
      * both repos contains commons-cli so ensure we don't return duplicates
      */
     public void testSearchNoDuplicateArtifactInfo()
         throws Exception
     {
 
         String repoPathIndex = "target/test/repo-for-searchdupe";
 
         File emptyRepo = new File( getBasedir(), repoPathIndex );
 
         if ( emptyRepo.exists() )
         {
             FileUtils.deleteDirectory( emptyRepo );
         }
 
         emptyRepo.mkdirs();
 
         //createIndex( "/src/test/repo", repoPath + "/.index", INDEX_ID2 );
         createIndex( "/src/test/repo", repoPathIndex, INDEX_ID2 );
 
         createIndex( "src/test/repo-with-osgi", "target/test/repo-with-osgi/", INDEX_ID1 );
 
         try
         {
             BooleanQuery q = new BooleanQuery();
 
             q.add( nexusIndexer.constructQuery( MAVEN.GROUP_ID, new StringSearchExpression( "commons-cli" ) ),
                    BooleanClause.Occur.MUST );
 
             q.add( nexusIndexer.constructQuery( MAVEN.PACKAGING, new StringSearchExpression( "jar" ) ),
                    BooleanClause.Occur.MUST );
 
             q.add( nexusIndexer.constructQuery( MAVEN.CLASSIFIER, new StringSearchExpression( "sources" ) ),
                    BooleanClause.Occur.MUST );
 
             FlatSearchRequest request = new FlatSearchRequest( q );
             assertEquals( 2, nexusIndexer.getIndexingContexts().values().size() );
             request.setContexts( Arrays.asList( nexusIndexer.getIndexingContexts().get( INDEX_ID2 ),
                                                 nexusIndexer.getIndexingContexts().get( INDEX_ID1 ) ) );
 
             FlatSearchResponse response = nexusIndexer.searchFlat( request );
 
             assertEquals( 1, response.getResults().size() );
 
         }
         finally
         {
             closeAllIndexs();
         }
     }
 
     private void closeAllIndexs()
         throws Exception
     {
         for ( IndexingContext context : nexusIndexer.getIndexingContexts().values() )
         {
             context.close( true );
         }
     }
 
     private void createIndex( String filePath, String repoIndex, String contextId )
         throws Exception
     {
 
         File repo = new File( getBasedir(), filePath );
 
         File repoIndexDir = new File( getBasedir(), repoIndex + "/.index" );
 
         if ( repoIndexDir.exists() )
         {
             FileUtils.deleteDirectory( repoIndexDir );
         }
 
         repoIndexDir.mkdirs();
 
         System.out.println(
             "creating Index with id " + contextId + " path : " + filePath + " , indexPath " + repoIndex );
 
         IndexingContext indexingContext =
             nexusIndexer.addIndexingContext( contextId, contextId, repo, repoIndexDir, "http://www.apache.org",
                                              "http://www.apache.org/.index", indexCreators );
         indexingContext.setSearchable( true );
         nexusIndexer.scan( indexingContext, false );
 
         indexingContext.optimize();
 
         File managedRepository = new File( repoIndex );
         final File indexLocation = new File( managedRepository, ".index" );
         IndexPackingRequest request = new IndexPackingRequest( indexingContext, indexLocation );
         indexPacker.packIndex( request );
 
     }
 }