/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library 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 library 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.
 *
 *******************************************************************************/
package com.liferay.ide.project.core.upgrade;

import com.liferay.ide.core.util.CoreUtil;
import com.liferay.ide.project.core.ProjectCore;
import com.liferay.ide.project.core.AbstractUpgradeProjectHandler;
import com.liferay.ide.project.core.util.ProjectUtil;

import java.util.Collections;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.sapphire.modeling.Status;
import org.eclipse.sapphire.platform.StatusBridge;
import org.eclipse.wst.common.project.facet.core.IFacetedProject;
import org.eclipse.wst.common.project.facet.core.runtime.RuntimeManager;

/**
 * @author Simon Jiang
 */
public class UpgradeRuntimeHandler extends AbstractUpgradeProjectHandler
{

    @Override
    public Status execute( IProject project, String runtimeName, IProgressMonitor monitor, int perUnit )
    {
        Status retval = Status.createOkStatus();

        try
        {
            int worked = 0;
            final IProgressMonitor submon = CoreUtil.newSubMonitor( monitor, 25 );
            submon.subTask( "Update project runtime" );

            final org.eclipse.wst.common.project.facet.core.runtime.IRuntime runtime =
                RuntimeManager.getRuntime( runtimeName );

            if( runtime != null )
            {
                worked = worked + perUnit;
                submon.worked( worked );

                if( runtime != null )
                {
                    final IFacetedProject fProject = ProjectUtil.getFacetedProject( project );

                    final org.eclipse.wst.common.project.facet.core.runtime.IRuntime primaryRuntime =
                        fProject.getPrimaryRuntime();

                    if( !runtime.equals( primaryRuntime ) )
                    {

                        worked = worked + perUnit;
                        submon.worked( worked );

                        fProject.setTargetedRuntimes( Collections.singleton( runtime ), monitor );

                        worked = worked + perUnit;
                        submon.worked( worked );

                        fProject.setPrimaryRuntime( runtime, monitor );
                        worked = worked + perUnit;
                        submon.worked( worked );
                    }
                }
            }
        }
        catch( Exception e )
        {
            final IStatus error =
                ProjectCore.createErrorStatus( "Unable to upgrade target runtime for " + project.getName(), e );
            ProjectCore.logError( error );

            retval = StatusBridge.create( error );
        }

        return retval;
    }
}