/* 
 * 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.
 */
package org.apache.felix.obr.plugin;


import java.io.File;
import java.net.URI;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.settings.Settings;


/**
 * construct the repository.xml with a project Maven compiled
 *
 * @goal repository
 * @phase install
 * @requiresDependencyResolution compile
 * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
 */
public class ObrInstall extends AbstractMojo
{
    /**
     * The local Maven repository.
     * 
     * @parameter expression="${localRepository}"
     * @required
     */
    private ArtifactRepository m_localRepo;

    /**
     * path to the repository.xml.
     * 
     * @parameter expression="${repository-path}"
     * @require
     */
    private String m_repositoryPath;

    /**
     * Project in use.
     * 
     * @parameter expression="${project}"
     * @require
     */

    private MavenProject m_project;

    /**
     * setting of maven.
     * 
     * @parameter expression="${settings}"
     * @require
     */

    private Settings m_settings;

    /**
     * Enable/Disable this goal
     * @description If true evrything the goal do nothing, the goal just skip over 
     * @parameter expression="${maven.obr.installToLocalOBR}" default-value="true"
     */
    private boolean installToLocalOBR;

    /**
     * path to file in the maven local repository.
     */
    private String m_fileInLocalRepo;


    /**
     * main method for this goal.
     * @implements org.apache.maven.plugin.Mojo.execute 
     * @throws MojoExecutionException if the plugin failed
     */
    public void execute() throws MojoExecutionException
    {
        getLog().info( "Obr Plugin starts:" );
        if ( !installToLocalOBR )
        {
            getLog().info( "maven-obr-plugin:repository goal is disable due to one of the following reason:" );
            getLog().info( " - 'installToLocalOBR' configuration set to false" );
            getLog().info( " - JVM property maven.obr.installToLocalOBR set to false" );
            return;
        }

        if ( m_repositoryPath == null )
        {
            m_repositoryPath = "file:/" + m_localRepo.getBasedir() + File.separator + "repository.xml";
            getLog().info( "-Drepository-path is not set, using default repository: " + m_repositoryPath );
        }

        PathFile file = new PathFile( m_repositoryPath );
        if ( file.isExists() )
        {
            if ( !m_repositoryPath.startsWith( "file:/" ) )
            {
                m_repositoryPath = "file:/" + m_repositoryPath;
            }
        }

        // locate the obr.xml file
        URI obrXml = ObrUtils.findObrXml( m_project.getResources() );

        // the obr.xml file is not present
        if ( null == obrXml )
        {
            getLog().info( "obr.xml is not present, use default" );
        }

        // get the path to local maven repository
        file = new PathFile( PathFile.uniformSeparator( m_settings.getLocalRepository() ) + File.separator
            + PathFile.uniformSeparator( m_localRepo.pathOf( m_project.getArtifact() ) ) );

        if ( file.isExists() )
        {
            m_fileInLocalRepo = file.getOnlyAbsoluteFilename();
        }
        else
        {
            getLog().error(
                "file not found in local repository: " + m_settings.getLocalRepository() + File.separator
                    + m_localRepo.pathOf( m_project.getArtifact() ) );
            getLog().error(
                "file not found in local repository: " + m_localRepo.getBasedir() + File.separator
                    + m_localRepo.pathOf( m_project.getArtifact() ) );
            return;
        }

        // verify the repository.xml
        PathFile fileRepo = new PathFile( m_repositoryPath );
        if ( fileRepo.isRelative() )
        {
            fileRepo.setBaseDir( m_settings.getLocalRepository() );
        }

        // create the folder to the repository
        PathFile repoExist = new PathFile( fileRepo.getAbsolutePath() );
        if ( !repoExist.isExists() )
        {
            fileRepo.createPath();
        }

        // build the user configuration (use default)
        Config user = new Config();

        getLog().debug( "Maven2 Local File repository = " + fileRepo.getAbsoluteFilename() );
        getLog().debug( "OBR repository = " + obrXml );

        ObrUpdate obrUpdate = new ObrUpdate( fileRepo, obrXml, m_project, m_fileInLocalRepo, PathFile
            .uniformSeparator( m_settings.getLocalRepository() ), user, getLog() );
        try
        {
            obrUpdate.updateRepository();
        }
        catch ( MojoExecutionException e )
        {
            e.printStackTrace();
            throw new MojoExecutionException( "MojoFailureException" );
        }
    }

}