package org.apache.maven.continuum.utils;
   
   /*
    * 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.continuum.configuration.ConfigurationService;
  import org.apache.maven.continuum.model.project.Project;
  import org.codehaus.plexus.util.StringUtils;
  import org.springframework.stereotype.Service;
  
  import java.io.File;
  import java.util.List;
  import javax.annotation.Resource;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   * @version $Id: DefaultWorkingDirectoryService.java 1372260 2012-08-13 04:29:09Z brett $
   */
  @Service( "workingDirectoryService" )
  public class DefaultWorkingDirectoryService
      implements WorkingDirectoryService
  {
      @Resource
      private ConfigurationService configurationService;
  
      public void setConfigurationService( ConfigurationService configurationService )
      {
          this.configurationService = configurationService;
      }
  
      public ConfigurationService getConfigurationService()
      {
          return configurationService;
      }
  
      // ----------------------------------------------------------------------
      // WorkingDirectoryService Implementation
      // ----------------------------------------------------------------------
  
      public File getWorkingDirectory( Project project )
      {
          return getWorkingDirectory( project, null, null );
      }
  
      public File getWorkingDirectory( Project project, boolean shouldSet )
      {
          return getWorkingDirectory( project, null, null, shouldSet );
      }
  
      /**
       * @param project
       * @param projectScmRoot
       * @param projects       projects under the same projectScmRoot
       * @return
       */
      public File getWorkingDirectory( Project project, String projectScmRoot, List<Project> projects )
      {
          return getWorkingDirectory( project, projectScmRoot, projects, true );
      }
  
      /**
       * @param project
       * @param projectScmRoot
       * @param projects       projects under the same projectScmRoot
       * @param shouldSet
       * @return
       */
      public File getWorkingDirectory( Project project, String projectScmRoot, List<Project> projects, boolean shouldSet )
      {
  //        TODO: Enable, this is what we really want
  //        ContinuumProjectGroup projectGroup = project.getProjectGroup();
  //
  //        return new File( projectGroup.getWorkingDirectory(),
  //                         project.getPath() );
  
          String workingDirectory = project.getWorkingDirectory();
  
          if ( project.getWorkingDirectory() == null || "".equals( project.getWorkingDirectory() ) )
          {
              if ( project.isCheckedOutInSingleDirectory() && projectScmRoot != null && !"".equals( projectScmRoot ) )
              {
                  Project rootProject = project;
                  if ( projects != null )
                 {
                     // the root project should have the lowest id since it's always added first                    
                     for ( Project projectUnderScmRoot : projects )
                     {
                         if ( projectUnderScmRoot.getId() < rootProject.getId() )
                         {
                             rootProject = projectUnderScmRoot;
                         }
                     }
                 }
 
                 // determine the path
                 String projectScmUrl = project.getScmUrl();
                 int indexDiff = StringUtils.differenceAt( projectScmUrl, projectScmRoot );
 
                 String pathToProject = "";
                 if ( indexDiff != -1 )
                 {
                     pathToProject = projectScmUrl.substring( indexDiff );
                 }
 
                 if ( pathToProject.startsWith( "\\" ) || pathToProject.startsWith( "/" ) )
                 {
                     workingDirectory = Integer.toString( rootProject.getId() ) + pathToProject;
                 }
                 else
                 {
                     workingDirectory = Integer.toString( rootProject.getId() ) + File.separatorChar + pathToProject;
                 }
             }
             else
             {
                 workingDirectory = Integer.toString( project.getId() );
             }
         }
 
         if ( shouldSet )
         {
             project.setWorkingDirectory( workingDirectory );
         }
 
         File workDir;
         File projectWorkingDirectory = new File( workingDirectory );
 
         if ( projectWorkingDirectory.isAbsolute() )
         {
             // clean the project working directory path if it's a subdirectory of the global working directory
             if ( projectWorkingDirectory.getAbsolutePath().startsWith(
                 getConfigurationService().getWorkingDirectory().getAbsolutePath() ) )
             {
                 String pwd = projectWorkingDirectory.getAbsolutePath().substring(
                     getConfigurationService().getWorkingDirectory().getAbsolutePath().length() );
                 if ( pwd.startsWith( "/" ) || pwd.startsWith( "\\" ) )
                 {
                     pwd = pwd.substring( 1 );
                 }
 
                 if ( shouldSet )
                 {
                     project.setWorkingDirectory( pwd );
                 }
             }
 
             workDir = projectWorkingDirectory;
         }
         else
         {
             File baseWorkingDir = getConfigurationService().getWorkingDirectory();
 
             workDir = new File( baseWorkingDir, workingDirectory );
         }
 
         return workDir;
     }
 }