/*******************************************************************************
 * 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.ui.workspace;

import com.liferay.ide.core.util.FileUtil;
import com.liferay.ide.ui.LiferayUIPlugin;

import java.io.File;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.internal.preferences.WorkbenchSettingsTransfer;

/**
 * @author Andy Wu
 */
@SuppressWarnings( "restriction" )
public class WorkbenchPreferencesTransfer extends WorkbenchSettingsTransfer
{

    public WorkbenchPreferencesTransfer()
    {
        super();
    }

    @Override
    public IStatus transferSettings( IPath newWorkspaceRoot )
    {
        IPath currentWorkspace = Platform.getLocation();

        File srcDir = new File( currentWorkspace.toFile(), ".metadata/.plugins/org.eclipse.core.runtime/.settings" );
        File destDir = new File( newWorkspaceRoot.toFile(), ".metadata/.plugins/org.eclipse.core.runtime/.settings" );

        File[] srcSettings = srcDir.listFiles();

        if( !destDir.exists() )
        {
            if( !destDir.mkdirs() )
                return new Status( IStatus.ERROR, LiferayUIPlugin.PLUGIN_ID, "can't create dirs" );
        }

        for( File src : srcSettings )
        {
            File destSetting = new File( destDir.getAbsolutePath(), src.getName() );

            if( destSetting.exists() )
            {
                if( !destSetting.delete() )
                {
                    return new Status( IStatus.ERROR, LiferayUIPlugin.PLUGIN_ID, "can't delete settings file" );
                }
            }

            FileUtil.copyFile( src, destSetting );
        }

        return Status.OK_STATUS;
    }

    @Override
    public String getName()
    {
        return "Preferences";
    }

}