/*
    * Copyright 2010 SOFTEC sa. All rights reserved.
    *
    * Licensed 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.
   */
  package searls.jasmine;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.apache.maven.artifact.DefaultArtifact;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.mojo.javascript.archive.JavascriptArtifactManager;
  import org.codehaus.plexus.archiver.ArchiverException;
  import org.codehaus.plexus.util.DirectoryScanner;
  import org.codehaus.plexus.util.FileUtils;
  
  /**
   * Goal which copies scripts to the jasmine target directory.
   *
   * @goal prepare-jasmine-tests
   * @phase test-compile
   * @requiresDependencyResolution test
   */
  public class PrepareJasmineTestsMojo extends AbstractJasmineMojo
  {
      /**
       * The maven project.
       *
       * @parameter expression="${project}"
       * @required
       * @readonly
       */
      private MavenProject project;
  
      /**
       * @component
       */
      private JavascriptArtifactManager javascriptArtifactManager;
      
      /**
       * {@inheritDoc}
       *
       * @see org.apache.maven.plugin.Mojo#execute()
       */
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
          if(skipTests || !jasmineTestSourceDirectory.exists()) {
              getLog().info("No Jasmine tests, skipping Jasmine tests preparation.");
              return;
          }
  
          DirectoryScanner scanner = new DirectoryScanner();
          scanner.addDefaultExcludes();
          try
          {
              File destDir;
              String[] files;
  
              if( sourceDirectory.exists() ) {
                  destDir = new File(jasmineTargetDir, srcDirectoryName);
                  scanner.setBasedir( sourceDirectory );
                  scanner.scan();
                  files = scanner.getIncludedFiles();
                  for ( int i = 0; i < files.length; i++ )
                  {
                      File destFile = new File( destDir, files[i] );
                      destFile.getParentFile().mkdirs();
                      FileUtils.copyFile( new File( sourceDirectory, files[i] ), destFile );
                  }
              }
  
              destDir = new File(jasmineTargetDir, specDirectoryName);
              scanner.setBasedir( jasmineTestSourceDirectory );
              scanner.scan();
              files = scanner.getIncludedFiles();
              for ( int i = 0; i < files.length; i++ )
              {
                  File destFile = new File( destDir, files[i] );
                  destFile.getParentFile().mkdirs();
                  FileUtils.copyFile( new File( jasmineTestSourceDirectory, files[i] ), destFile );
              }
          }
          catch ( IOException e )
          {
              throw new MojoExecutionException( "Failed to copy scripts in " + jasmineTargetDir );
         }
 
         try
         {
             javascriptArtifactManager.unpack( project, DefaultArtifact.SCOPE_TEST, new File(
                 jasmineTargetDir, libsDirectory ), useArtifactId );
         }
         catch ( ArchiverException e )
         {
             throw new MojoExecutionException( "Failed to unpack javascript dependencies", e );
         }
     }
 }