/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2016, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.as.weld.deployment.processor;

import java.util.HashSet;
import java.util.Properties;
import java.util.Set;

import org.jboss.as.jpa.config.Configuration;
import org.jboss.as.jpa.config.PersistenceUnitMetadataHolder;
import org.jboss.as.jpa.service.PersistenceUnitServiceImpl;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUtils;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.as.weld.spi.DeploymentUnitDependenciesProvider;
import org.jboss.msc.service.ServiceName;
import org.jipijapa.plugin.spi.PersistenceUnitMetadata;

/**
 *
 * @author Martin Kouba
 */
public class JpaDependenciesProvider implements DeploymentUnitDependenciesProvider {

    @Override
    public Set<ServiceName> getDependencies(DeploymentUnit deploymentUnit) {
        Set<ServiceName> dependencies = new HashSet<>();
        for (ResourceRoot root : DeploymentUtils.allResourceRoots(deploymentUnit)) {
            final PersistenceUnitMetadataHolder persistenceUnits = root.getAttachment(PersistenceUnitMetadataHolder.PERSISTENCE_UNITS);
            if (persistenceUnits != null && persistenceUnits.getPersistenceUnits() != null) {
                for (final PersistenceUnitMetadata pu : persistenceUnits.getPersistenceUnits()) {
                    final Properties properties = pu.getProperties();
                    final String jpaContainerManaged = properties.getProperty(Configuration.JPA_CONTAINER_MANAGED);
                    final boolean deployPU = (jpaContainerManaged == null || Boolean.parseBoolean(jpaContainerManaged));
                    if (deployPU) {
                        final ServiceName serviceName = PersistenceUnitServiceImpl.getPUServiceName(pu);
                        dependencies.add(serviceName);
                    }
                }
            }
        }
        return dependencies;
    }

}