/*******************************************************************************
 * 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.service.core;

import com.liferay.ide.core.ILiferayPortal;
import com.liferay.ide.core.ILiferayProject;
import com.liferay.ide.core.IWebProject;
import com.liferay.ide.core.LiferayCore;
import com.liferay.ide.project.core.ProjectCore;
import com.liferay.ide.project.core.util.ProjectUtil;
import com.liferay.ide.project.core.util.WizardUtil;
import com.liferay.ide.service.core.operation.INewServiceBuilderDataModelProperties;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.osgi.framework.Version;

/**
 * @author Gregory Amerson
 * @author Cindy Li
 */
@SuppressWarnings( { "restriction" } )
public class AddServiceBuilderOperation extends AbstractDataModelOperation
    implements INewServiceBuilderDataModelProperties
{

    public AddServiceBuilderOperation( IDataModel model )
    {
        super( model );
    }

    public void createDefaultServiceBuilderFile( IFile serviceBuilderFile, IProgressMonitor monitor )
        throws CoreException
    {
        String descriptorVersion = null;

        try
        {
            final ILiferayProject liferayProject = LiferayCore.create( serviceBuilderFile.getProject() );
            final ILiferayPortal portal = liferayProject.adapt( ILiferayPortal.class );
            final Version portalVersion = new Version( portal.getVersion() );

            descriptorVersion = portalVersion.getMajor() + "." + portalVersion.getMinor() + ".0";  //$NON-NLS-1$//$NON-NLS-2$
        }
        catch( Exception e )
        {
            ProjectCore.logError( "Could not determine liferay runtime version", e ); //$NON-NLS-1$
            descriptorVersion = "6.0.0"; //$NON-NLS-1$
        }

        WizardUtil.createDefaultServiceBuilderFile(
            serviceBuilderFile, descriptorVersion, getDataModel().getBooleanProperty( USE_SAMPLE_TEMPLATE ),
            getDataModel().getStringProperty( PACKAGE_PATH ), getDataModel().getStringProperty( NAMESPACE ),
            getDataModel().getStringProperty( AUTHOR ), monitor );

        getDataModel().setProperty( CREATED_SERVICE_FILE, serviceBuilderFile );
    }

    private IStatus createServiceBuilderFile( IProject project, IProgressMonitor monitor )
    {
        // IDE-110 IDE-648
        final IWebProject webproject = LiferayCore.create( IWebProject.class, project );

        if( webproject == null || webproject.getDefaultDocrootFolder() == null )
        {
            return ServiceCore.createErrorStatus( "Could not find webapp root folder." ); //$NON-NLS-1$
        }

        final IFolder defaultDocroot = webproject.getDefaultDocrootFolder();
        final Path path = new Path( "WEB-INF/" + getDataModel().getStringProperty( SERVICE_FILE ) ); //$NON-NLS-1$
        final IFile serviceBuilderFile = defaultDocroot.getFile( path );

        if( !serviceBuilderFile.exists() )
        {
            try
            {
                createDefaultServiceBuilderFile( serviceBuilderFile, monitor );
            }
            catch( Exception ex )
            {
                return ServiceCore.createErrorStatus( ex );
            }
        }

        return Status.OK_STATUS;
    }

    public IStatus execute( IProgressMonitor monitor, IAdaptable info ) throws ExecutionException
    {
        IStatus retval = null;

        IStatus status = createServiceBuilderFile( getTargetProject(), monitor );

        if( !status.isOK() )
        {
            return status;
        }

        return retval;
    }

    protected IProject getTargetProject()
    {
        String projectName = model.getStringProperty( PROJECT_NAME );

        return ProjectUtil.getProject( projectName );
    }

}