/*
    * Copyright 2013 Grzegorz Slowikowski (gslowikowski at gmail dot com)
    *
    * 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 com.google.code.sbt;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.plugins.annotations.ResolutionScope;
  import org.apache.maven.project.MavenProject;
  
  /**
   * Compile Scala and Java test sources
   * 
   * @author <a href="mailto:gslowikowski@gmail.com">Grzegorz Slowikowski</a>
   * @since 1.0.0
   */
  @Mojo( name = "testCompile", defaultPhase = LifecyclePhase.TEST_COMPILE, requiresDependencyResolution = ResolutionScope.TEST )
  public class SBTTestCompileMojo
      extends AbstractSBTCompileMojo
  {
      /**
       * A list of inclusion filters for the compiler.
       * 
       * @since 1.0.0
       */
      @Parameter
      private Set<String> testIncludes = new HashSet<String>();
  
      /**
       * A list of exclusion filters for the compiler.
       * 
       * @since 1.0.0
       */
      @Parameter
      private Set<String> testExcludes = new HashSet<String>();
  
      /**
       * Set this to 'true' to bypass compilation of test sources.
       * Its use is NOT RECOMMENDED, but quite convenient on occasion.
       * 
       * @since 1.0.0
       */
      @Parameter( property = "maven.test.skip" )
      private boolean skipTest;
  
      /**
       * The source directories containing the test-source to be compiled.
       */
      @Parameter( defaultValue = "${project.testCompileSourceRoots}", readonly = true, required = true )
      private List<String> compileSourceRoots;
  
      /**
       * Project test classpath.
       */
      @Parameter( defaultValue = "${project.testClasspathElements}", required = true, readonly = true )
      private List<String> classpathElements;
  
      /**
       * The directory where compiled test classes go.
       */
      @Parameter( defaultValue = "${project.build.testOutputDirectory}", required = true, readonly = true )
      private File outputDirectory;
  
      @Override
      protected void internalExecute()
          throws MojoExecutionException, MojoFailureException, IOException
      {
          if ( skipTest )
          {
              getLog().info( "Not compiling test sources" );
              return;
          }
          super.internalExecute();
     }
 
     @Override
     protected List<String> getCompileSourceRoots()
     {
         return compileSourceRoots;
     }
 
     @Override
     protected Set<String> getSourceIncludes()
     {
         return testIncludes;
     }
     
     @Override
     protected Set<String> getSourceExcludes()
     {
         return testExcludes;
     }
 
     @Override
     protected List<String> getClasspathElements()
     {
         return classpathElements;
     }
 
     @Override
     protected File getOutputDirectory()
     {
         return outputDirectory;
     }
 
     @Override
     protected File getAnalysisCacheFile()
     {
         return defaultTestAnalysisCacheFile( project );
     }
 
     @Override
     protected Map<File, File> getAnalysisCacheMap()
     {
         HashMap<File, File> map = new HashMap<File, File>();
         for ( MavenProject reactorProject : reactorProjects )
         {
             if ( reactorProject != project )
             {
                 File analysisCacheFile = defaultAnalysisCacheFile( reactorProject );
                 if ( analysisCacheFile.isFile() )
                 {
                     File reactorProjectArtifactFile = reactorProject.getArtifact().getFile();
                     if ( reactorProjectArtifactFile != null )
                     {
                         map.put( reactorProjectArtifactFile.getAbsoluteFile(), analysisCacheFile.getAbsoluteFile() );
                     }
                 }
                 
                 File testAnalysisCacheFile = defaultTestAnalysisCacheFile( reactorProject );
                 if ( testAnalysisCacheFile.isFile() )
                 {
                     List<Artifact> reactorProjectattachedArtifacts = reactorProject.getAttachedArtifacts();
                     for ( Artifact artifact: reactorProjectattachedArtifacts )
                     {
                         if ( "tests".equals( artifact.getClassifier() ) )
                         {
                             map.put( artifact.getFile().getAbsoluteFile(), testAnalysisCacheFile.getAbsoluteFile() );
                             break;
                         }
                     }
                 }
             }
         }
         return map;
     }
 
 }