package de.suite4p.commons.maven.jboss;

import java.io.File;

import org.apache.maven.archiver.MavenArchiveConfiguration;
import org.apache.maven.archiver.MavenArchiver;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.archiver.jar.JarArchiver;

/**
 * @author <a href="mailto:thomas@kleinmantara.de">Thomas Hart</a>
 */
public abstract class AbstractPackMojo extends AbstractMojo
{
    /**
     * Directory containing the classes.
     * 
     * @parameter expression="${project.build.outputDirectory}"
     * @required
     */
    private File archetypeDirectory;

    /**
     * The maven archive configuration to use.
     * 
     * <p>
     * See <a
     * href="http://maven.apache.org/ref/current/maven-archiver/apidocs/org/apache/maven/archiver/MavenArchiveConfiguration.html">
     * the Javadocs for MavenArchiveConfiguration</a>.
     * </p>
     * 
     * @parameter
     */
    private MavenArchiveConfiguration archive = new MavenArchiveConfiguration();

    /**
     * Name of the generated Archive.
     * 
     * @parameter alias="archiveName" expression="${project.build.finalName}"
     * @required
     */
    private String finalName;

    /**
     * The JAR archiver.
     * 
     * @parameter expression="${component.org.codehaus.plexus.archiver.Archiver#jar}"
     * @required
     */
    private JarArchiver jarArchiver;

    /**
     * Directory containing the generated Archive.
     * 
     * @parameter expression="${project.build.directory}"
     * @required
     */
    private File outputDirectory;

    /**
     * The maven project.
     * 
     * @parameter expression="${project}"
     * @required
     * @readonly
     */
    private MavenProject project;

    public void execute() throws MojoExecutionException, MojoFailureException
    {
        getLog().error("******************************"); //$NON-NLS-1$
        getLog().error("HALLO"); //$NON-NLS-1$
        getLog().error("******************************"); //$NON-NLS-1$

        final File archiveFile = getArchiveFile(outputDirectory, finalName);
        final MavenArchiver archiver = new MavenArchiver();
        archiver.setArchiver(jarArchiver);
        archiver.setOutputFile(archiveFile);
        archive.setForced(true);

        try
        {
            if (archetypeDirectory.exists() == false)
            {
                getLog().warn("Archive will be empty - no content was marked for inclusion!"); //$NON-NLS-1$
            }
            else
            {
                archiver.getArchiver().addDirectory(archetypeDirectory);
            }

            archiver.createArchive(project, archive);
        }
        catch (Exception ex)
        {
            throw new MojoExecutionException("Error assembling archive", ex); //$NON-NLS-1$
        }

        project.getArtifact().setFile(archiveFile);
    }

    protected abstract File getArchiveFile(File basedir, String finalName);

}