package org.apache.maven.model.path;

/*
 * 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.util.ArrayList;
import java.util.List;

import org.apache.maven.model.Build;
import org.apache.maven.model.Model;
import org.apache.maven.model.Reporting;
import org.apache.maven.model.Resource;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;

/**
 * Resolves relative paths within a model against a specific base directory.
 * 
 * @author Benjamin Bentmann
 */
@Component( role = ModelPathTranslator.class )
public class DefaultModelPathTranslator
    implements ModelPathTranslator
{

    @Requirement
    private PathTranslator pathTranslator;

    public DefaultModelPathTranslator setPathTranslator( PathTranslator pathTranslator )
    {
        this.pathTranslator = pathTranslator;
        return this;
    }

    public void alignToBaseDirectory( Model model, File basedir, ModelBuildingRequest request )
    {
        if ( model == null || basedir == null )
        {
            return;
        }

        Build build = model.getBuild();

        if ( build != null )
        {
            build.setDirectory( alignToBaseDirectory( build.getDirectory(), basedir ) );

            build.setSourceDirectory( alignToBaseDirectory( build.getSourceDirectory(), basedir ) );

            build.setTestSourceDirectory( alignToBaseDirectory( build.getTestSourceDirectory(), basedir ) );

            build.setScriptSourceDirectory( alignToBaseDirectory( build.getScriptSourceDirectory(), basedir ) );

            for ( Resource resource : build.getResources() )
            {
                resource.setDirectory( alignToBaseDirectory( resource.getDirectory(), basedir ) );
            }

            for ( Resource resource : build.getTestResources() )
            {
                resource.setDirectory( alignToBaseDirectory( resource.getDirectory(), basedir ) );
            }

            if ( build.getFilters() != null )
            {
                List<String> filters = new ArrayList<String>( build.getFilters().size() );
                for ( String filter : build.getFilters() )
                {
                    filters.add( alignToBaseDirectory( filter, basedir ) );
                }
                build.setFilters( filters );
            }

            build.setOutputDirectory( alignToBaseDirectory( build.getOutputDirectory(), basedir ) );

            build.setTestOutputDirectory( alignToBaseDirectory( build.getTestOutputDirectory(), basedir ) );
        }

        Reporting reporting = model.getReporting();

        if ( reporting != null )
        {
            reporting.setOutputDirectory( alignToBaseDirectory( reporting.getOutputDirectory(), basedir ) );
        }
    }

    private String alignToBaseDirectory( String path, File basedir )
    {
        return pathTranslator.alignToBaseDirectory( path, basedir );
    }

}
