/**
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 * Thales Corporate Services S.A.S - initial API and implementation
 */
package org.eclipse.egf.core.test.task.resource;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.egf.core.domain.RuntimePlatformResourceSet;
import org.eclipse.egf.core.test.EGFCoreTestPlugin;
import org.eclipse.egf.model.fcore.Activity;
import org.eclipse.egf.model.ftask.Task;
import org.eclipse.egf.producer.EGFProducerPlugin;
import org.eclipse.egf.producer.ftask.manager.TaskManagerFactory;
import org.eclipse.egf.producer.manager.ActivityManagerProducer;
import org.eclipse.egf.producer.manager.IActivityManager;
import org.eclipse.emf.codegen.merge.java.JMerger;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.osgi.util.NLS;

public class ContextTaskResource extends TestCase {

    public static Test suite() {
        return new TestSuite(ContextTaskResource.class);
    }

    public void testInvokeH1() throws Exception {

        ResourceSet resourceSet = new RuntimePlatformResourceSet();
        URI uri = URI.createURI("platform:/plugin/org.eclipse.egf.example.task.h1/egf/task_h1.fcore"); //$NON-NLS-1$

        // Load Resource
        Resource resource = resourceSet.getResource(uri, true);
        assertNotNull(NLS.bind("Unable to load Resource ''{0}''", uri.toString()), resource); //$NON-NLS-1$

        // Fetch Activity
        EObject eObject = resource.getContents().get(0);
        assertTrue(NLS.bind("We Expected to find an ''Task'' however we found ''{0}''", eObject.eClass().getName()), eObject instanceof Activity); //$NON-NLS-1$

        // Invoke Activity
        Activity activity = (Activity) eObject;

        ActivityManagerProducer<Activity> producer = EGFProducerPlugin.getActivityManagerProducer(activity);

        IActivityManager<Activity> manager = producer.createActivityManager(activity);

        try {
            manager.initializeContext();
            manager.invoke(new NullProgressMonitor());
        } catch (Exception e) {
            EGFCoreTestPlugin.getDefault().logError(e);
            fail(e.getMessage());
            return;
        } finally {
            try {
                manager.dispose();
            } catch (Exception e) {
                EGFCoreTestPlugin.getDefault().logError(e);
                fail(e.getMessage());
                return;
            }
        }

    }

    public void testContractH1() throws Exception {

        ResourceSet resourceSet = new RuntimePlatformResourceSet();
        URI uri = URI.createURI("platform:/plugin/org.eclipse.egf.example.task.h1/egf/task_h1.fcore"); //$NON-NLS-1$

        // Load Resource
        Resource resource = resourceSet.getResource(uri, true);
        assertNotNull(NLS.bind("Unable to load Resource ''{0}''", uri.toString()), resource); //$NON-NLS-1$

        // Fetch Task Java
        EObject eObject = resource.getContents().get(0);
        assertTrue(NLS.bind("We Expected to find an ''Task'' however we found ''{0}''", eObject.eClass().getName()), eObject instanceof Task); //$NON-NLS-1$

        // Invoke Task Java
        Task task = (Task) eObject;

        IActivityManager<Task> manager = TaskManagerFactory.createProductionManager(task);

        try {
            manager.initializeContext();
            manager.invoke(new NullProgressMonitor());
        } catch (Exception e) {
            EGFCoreTestPlugin.getDefault().logError(e);
            fail(e.getMessage());
            return;
        } finally {
            try {
                manager.dispose();
            } catch (Exception e) {
                EGFCoreTestPlugin.getDefault().logError(e);
                fail(e.getMessage());
                return;
            }
        }

        Float amount = manager.getProductionContext().getOutputValue("amount", Float.class); //$NON-NLS-1$

        assertEquals(new Float("1050"), amount); //$NON-NLS-1$

    }

    public void testOutputContractClassNotTheSameH1() throws Exception {

        ResourceSet resourceSet = new RuntimePlatformResourceSet();
        URI uri = URI.createURI("platform:/plugin/org.eclipse.egf.example.task.h1/egf/task_h1.fcore"); //$NON-NLS-1$

        // Load Resource
        Resource resource = resourceSet.getResource(uri, true);
        assertNotNull(NLS.bind("Unable to load Resource ''{0}''", uri.toString()), resource); //$NON-NLS-1$

        // Fetch Task
        EObject eObject = resource.getContents().get(0);
        assertTrue(NLS.bind("We Expected to find an ''Task'' however we found ''{0}''", eObject.eClass().getName()), eObject instanceof Task); //$NON-NLS-1$

        // Invoke Task
        Task task = (Task) eObject;

        IActivityManager<Task> manager = TaskManagerFactory.createProductionManager(task);

        JMerger defaultValue = null;

        try {
            manager.initializeContext();
            defaultValue = manager.getProductionContext().getOutputValue("jmerger", JMerger.class); //$NON-NLS-1$
            manager.invoke(new NullProgressMonitor());
        } catch (Exception e) {
            EGFCoreTestPlugin.getDefault().logError(e);
            fail(e.getMessage());
            return;
        } finally {
            try {
                manager.dispose();
            } catch (Exception e) {
                EGFCoreTestPlugin.getDefault().logError(e);
                fail(e.getMessage());
                return;
            }
        }

        assertNotSame(manager.getProductionContext().getOutputValue("jmerger", JMerger.class), defaultValue); //$NON-NLS-1$

    }

}