package org.apache.maven.scm.provider.synergy.command.add;

/*
 * 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 java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFile;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmFileStatus;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.command.add.AbstractAddCommand;
import org.apache.maven.scm.command.add.AddScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.synergy.command.SynergyCommand;
import org.apache.maven.scm.provider.synergy.repository.SynergyScmProviderRepository;
import org.apache.maven.scm.provider.synergy.util.SynergyUtil;
import org.codehaus.plexus.util.FileUtils;

/**
 * @author <a href="mailto:julien.henry@capgemini.com">Julien Henry</a>
 *
 */
public class SynergyAddCommand
    extends AbstractAddCommand
    implements SynergyCommand
{
    /** {@inheritDoc} */
    protected ScmResult executeAddCommand( ScmProviderRepository repository, ScmFileSet fileSet, String message,
                                           boolean binary )
        throws ScmException
    {
        if ( getLogger().isDebugEnabled() )
        {
            getLogger().debug( "executing add command..." );
        }

        SynergyScmProviderRepository repo = (SynergyScmProviderRepository) repository;

        if ( getLogger().isDebugEnabled() )
        {
            getLogger().debug( "basedir: " + fileSet.getBasedir() );
        }

        if ( message == null || message.equals( "" ) )
        {
            message = "Maven SCM Synergy provider: adding file(s) to project " + repo.getProjectSpec();
        }

        String ccmAddr = SynergyUtil.start( getLogger(), repo.getUser(), repo.getPassword(), null );

        try
        {
            int taskNum = SynergyUtil.createTask( getLogger(), message, repo.getProjectRelease(), true, ccmAddr );
            String projectSpec =
                SynergyUtil.getWorkingProject( getLogger(), repo.getProjectSpec(), repo.getUser(), ccmAddr );
            if ( projectSpec == null )
            {
                throw new ScmException( "You should checkout a working project first" );
            }
            File waPath = SynergyUtil.getWorkArea( getLogger(), projectSpec, ccmAddr );
            File destPath = new File( waPath, repo.getProjectName() );
            for ( File source : fileSet.getFileList() )
            {
                File dest = new File( destPath, SynergyUtil.removePrefix( fileSet.getBasedir(), source ) );
                if ( !source.equals( dest ) )
                {
                    if ( getLogger().isDebugEnabled() )
                    {
                        getLogger().debug( "Copy file [" + source + "] to Synergy Work Area [" + dest + "]." );
                    }
                    try
                    {
                        FileUtils.copyFile( source, dest );
                    }
                    catch ( IOException e )
                    {
                        throw new ScmException( "Unable to copy file in Work Area", e );
                    }
                }
                SynergyUtil.create( getLogger(), dest, message, ccmAddr );
            }
            SynergyUtil.checkinTask( getLogger(), taskNum, message, ccmAddr );

        }
        finally
        {
            SynergyUtil.stop( getLogger(), ccmAddr );
        }
        List<ScmFile> scmFiles = new ArrayList<ScmFile>( fileSet.getFileList().size() );
        for ( File f : fileSet.getFileList() )
        {
            scmFiles.add( new ScmFile( f.getPath(), ScmFileStatus.ADDED ) );
        }
        return new AddScmResult( "", scmFiles );
    }


}
