/**
 * *******************************************************************************
 * Copyright (c) 2020 Robert Bosch GmbH.
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *     Robert Bosch GmbH - initial API and implementation
 * *******************************************************************************
 */

package org.eclipse.app4mc.slg.commons.m2t;

import org.eclipse.app4mc.amalthea.model.AmaltheaFactory;
import org.eclipse.app4mc.transformation.executiontype.IModelToTextConfig;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class M2TTransformationConfig implements IModelToTextConfig {

	private static final Logger LOG = LoggerFactory.getLogger(M2TTransformationConfig.class);

	protected AmaltheaMultiFileLoader amaltheaMultiFileLoader = new AmaltheaMultiFileLoader();
	protected String folderPath;

	public ResourceSet getInputResourceSet() {
		if (this.folderPath != null) {
			ResourceSet resourceSet = this.amaltheaMultiFileLoader.loadMultipleFiles(this.folderPath);

			if (resourceSet.getResources().isEmpty()) {
				LOG.error(
						"No Amalthea model files are loaded. Verify if the model version is : {}",
						AmaltheaFactory.eINSTANCE.createAmalthea().getVersion());
			}

			return resourceSet;
		}
		LOG.error("input_models_folder parameter not set");

		return null;
	}
}