package org.apache.maven.scm.provider.git.jgit.command.remove;

/*
 * 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.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.ScmResult;
import org.apache.maven.scm.command.remove.AbstractRemoveCommand;
import org.apache.maven.scm.command.remove.RemoveScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.git.command.GitCommand;
import org.apache.maven.scm.provider.git.jgit.command.JGitUtils;
import org.eclipse.jgit.api.Git;

/**
 * @author Georg Tsakumagos
 * @since 2.0.0-M2
 */
public class JGitRemoveCommand
    extends AbstractRemoveCommand
    implements GitCommand
{

    @Override
    protected ScmResult executeRemoveCommand( ScmProviderRepository repository, ScmFileSet fileSet, String message )
        throws ScmException
    {

        if ( fileSet.getFileList().isEmpty() )
        {
            throw new ScmException( "You must provide at least one file/directory to remove" );
        }
        Git git = null;
        try
        {
            git = JGitUtils.openRepo( fileSet.getBasedir() );

            List<ScmFile> removedFiles = JGitUtils.removeAllFiles( git, fileSet );

            if ( logger.isDebugEnabled() )
            {
                for ( ScmFile scmFile : removedFiles )
                {
                    logger.info( "Removed file: " + scmFile );
                }
            }

            return new RemoveScmResult( "JGit remove", removedFiles );

        }
        catch ( Exception e )
        {
            throw new ScmException( "JGit remove failure!", e );
        }
        finally
        {
            JGitUtils.closeRepo( git );
        }
    }

}
