/*******************************************************************************
 * Copyright (c) 2018 Robert Bosch GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Robert Bosch GmbH - initial API and implementation
 *******************************************************************************/

package app4mc.example.transform.m2m.transformers

import app4mc.example.transform.samplemodel.SampleModelFactory
import java.io.File
import java.util.Map
import org.eclipse.app4mc.amalthea.model.Amalthea
import org.eclipse.app4mc.amalthea.model.HWModel
import org.eclipse.app4mc.transformation.ServiceConstants
import org.eclipse.app4mc.transformation.transformers.Model2ModelRootTransformer
import org.eclipse.emf.common.util.URI
import org.eclipse.emf.ecore.resource.ResourceSet
import org.osgi.service.component.annotations.Activate
import org.osgi.service.component.annotations.Component
import org.osgi.service.component.annotations.ConfigurationPolicy
import org.osgi.service.component.annotations.Reference
import org.slf4j.Logger
import org.slf4j.LoggerFactory

@Component(
	configurationPid = ServiceConstants.SESSION_CONFIGURATION_PID,
	configurationPolicy = ConfigurationPolicy.REQUIRE,
	property=#[
	"transformation=Amalthea2SampleModel"
], service=Model2ModelRootTransformer)
class AmaltheaModel2ModelTransformer extends Model2ModelRootTransformer {

	static final Logger LOG = LoggerFactory.getLogger(typeof(AmaltheaModel2ModelTransformer))

	/*- Factory initiaization */
	val outputModelFactory = SampleModelFactory.eINSTANCE

	String outputFolder

	@Reference  HWTransformer hardwareTransformer
	
	@Activate
	def package void activate(Map<String, ?> properties) {
		LOG.debug("AmaltheaModel2ModelTransformer activated")
		
		outputFolder = getProperty("m2m_output_folder", properties)
	}

	override m2mTransformation(ResourceSet inputResourceSet, ResourceSet outputResourceSet) {

		LOG.debug("HWTransformer : "+hardwareTransformer.hashCode())

		var int fileIndex = 1

		for (resource : inputResourceSet.resources) {
			for (content : resource.contents) {

				LOG.info("Processing file : " + resource.URI)

				val simulationModelRoot = transform(content as Amalthea)

				val out_uri = URI.createFileURI(
					outputFolder + File.separator + fileIndex++ + ".root")

				val out_resource = outputResourceSet.createResource(out_uri)

				out_resource.contents.add(simulationModelRoot)

				out_resource.save(null)

				LOG.info("Transformed model file generated at : " + out_uri)

			}
		}
	}

	def create outputModelFactory.createModel transform(Amalthea amalthea) {
		hardwareTransformer.transfromHWModel(amalthea.hwModel as HWModel, it)
	}

}