/**
 * Copyright (c) 2013 itemis AG and others.
 * 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:
 *   itemis AG - initial API and implementation
 */
package org.eclipse.rmf.tests.serialization.load;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.rmf.tests.serialization.model.nodes.Node;
import org.eclipse.rmf.tests.serialization.model.nodes.NodesPackage;
import org.eclipse.rmf.tests.serialization.model.nodes.SubNode;
import org.eclipse.rmf.tests.serialization.util.AbstractTestCase;
import org.eclipse.sphinx.emf.serialization.XMLPersistenceMappingResourceFactoryImpl;
import org.junit.Before;
import org.junit.Test;

@SuppressWarnings("nls")
public class BasicLoadTests extends AbstractTestCase {

	static final String INPUT_PATH = "org.eclipse.rmf.tests.serialization.load/";

	@Override
	@Before
	public void setUp() throws Exception {
		super.setUp();
		EPackage.Registry.INSTANCE.put(NodesPackage.eNS_URI, NodesPackage.eINSTANCE);
	}

	@Test
	public void testEAtribute_Atribute0100Many() {
		String inputFileName = INPUT_PATH + "EAttribute_Attribute0100Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateEAttributeMany(modelRoot, NodesPackage.eINSTANCE.getNode_EAttribute_Attribute0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEAtribute_Atribute1000Many() {
		String inputFileName = INPUT_PATH + "EAttribute_Attribute1000Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateEAttributeMany(modelRoot, NodesPackage.eINSTANCE.getNode_EAttribute_Attribute1000Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	public void testEAtribute_Atribute0100Single() {
		String inputFileName = INPUT_PATH + "EAttribute_Attribute0100Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateEAttributeSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EAttribute_Attribute0100Single());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEAtribute_Atribute1000Single() {
		String inputFileName = INPUT_PATH + "EAttribute_Attribute1000Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateEAttributeSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EAttribute_Attribute1000Single());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0001_Many() {
		String inputFileName = INPUT_PATH + "EReference_Contained0001Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelMulti(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0001Many(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0001_Single() {
		String inputFileName = INPUT_PATH + "EReference_Contained0001Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0001Many(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0001Many());
		} catch (Exception ex) {

			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0100_Many() {
		String inputFileName = INPUT_PATH + "EReference_Contained0100Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelMulti(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0100Many(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0100_Single() {
		String inputFileName = INPUT_PATH + "EReference_Contained0100Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0100Single(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0100Single());
		} catch (Exception ex) {
			ex.printStackTrace();
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0101_Many() {
		String inputFileName = INPUT_PATH + "EReference_Contained0101Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelMulti(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0101Many(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained0101_Single() {
		String inputFileName = INPUT_PATH + "EReference_Contained0101Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained0101Single(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0101Single());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained1001_Many() {
		String inputFileName = INPUT_PATH + "EReference_Contained1001Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelMulti(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained1001Many(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Contained1001_Single() {
		String inputFileName = INPUT_PATH + "EReference_Contained1001Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateModelSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Contained1001Single(),
					NodesPackage.eINSTANCE.getNode_EReference_Contained1001Single());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced0100_Many() {
		String inputFileName = INPUT_PATH + "EReference_Referenced0100Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedMany(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced0100Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced0100_Single() {
		String inputFileName = INPUT_PATH + "EReference_Referenced0100Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced0100Single());
		} catch (Exception ex) {
			ex.printStackTrace();
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced0101_Many() {
		String inputFileName = INPUT_PATH + "EReference_Referenced0101Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedMany(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced0101Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced0101_Single() {
		String inputFileName = INPUT_PATH + "EReference_Referenced0101Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced0101Single());
		} catch (Exception ex) {
			ex.printStackTrace();
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced1001_Many() {
		String inputFileName = INPUT_PATH + "EReference_Referenced1001Many.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedMany(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced1001Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced1001_Many_Empty() {
		String inputFileName = INPUT_PATH + "EReference_Referenced1001Many_Empty.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedMany_Empty(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced1001Many());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@Test
	public void testEReference_Referenced1001_Single() {
		String inputFileName = INPUT_PATH + "EReference_Referenced1001Single.xml";
		try {
			EObject modelRoot = loadInputFile(inputFileName, new XMLPersistenceMappingResourceFactoryImpl(), null);
			validateReferencedSingle(modelRoot, NodesPackage.eINSTANCE.getNode_EReference_Referenced1001Single());
		} catch (Exception ex) {
			assertTrue(ex.getMessage(), false);
		}
	}

	@SuppressWarnings("unchecked")
	protected void validateModelMulti(EObject modelRoot, EStructuralFeature topFeature, EStructuralFeature subFeature) {
		assert topFeature.isMany();
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		// check intermediate nodes
		EList<Object> intermediateNodes = (EList<Object>) node.eGet(topFeature);
		assertSame(4, intermediateNodes.size());

		Object intermediateNodeObject1 = intermediateNodes.get(0);
		assertTrue(intermediateNodeObject1 instanceof Node);
		Node intermediateNode1 = (Node) intermediateNodeObject1;
		assertEquals("intermediateNode1", intermediateNode1.getName());

		Object intermediateNodeObject2 = intermediateNodes.get(1);
		assertTrue(intermediateNodeObject2 instanceof Node);
		Node intermediateNode2 = (Node) intermediateNodeObject2;
		assertEquals("intermediateNode2", intermediateNode2.getName());

		Object intermediateSubNodeObject3 = intermediateNodes.get(2);
		assertTrue(intermediateSubNodeObject3 instanceof SubNode);
		Node intermediateSubNode3 = (Node) intermediateSubNodeObject3;
		assertEquals("intermediateSubNode3", intermediateSubNode3.getName());

		Object intermediateSubNodeObject4 = intermediateNodes.get(3);
		assertTrue(intermediateSubNodeObject4 instanceof SubNode);
		Node intermediateSubNode4 = (Node) intermediateSubNodeObject4;
		assertEquals("intermediateSubNode4", intermediateSubNode4.getName());

		// check leaf nodes
		EList<Object> leafNodes1 = (EList<Object>) intermediateNode1.eGet(subFeature);
		assertSame(2, leafNodes1.size());

		Object leafNodeObject11 = leafNodes1.get(0);
		assertTrue(leafNodeObject11 instanceof Node);
		Node leafNode11 = (Node) leafNodeObject11;
		assertEquals("leafNode11", leafNode11.getName());
		EList<Object> leafNodes11 = (EList<Object>) leafNode11.eGet(subFeature);
		assertSame(0, leafNodes11.size());

		Object leafNodeObject12 = leafNodes1.get(1);
		assertTrue(leafNodeObject12 instanceof Node);
		Node leafNode12 = (Node) leafNodeObject12;
		assertEquals("leafNode12", leafNode12.getName());
		EList<Object> leafNodes12 = (EList<Object>) leafNode12.eGet(subFeature);
		assertSame(0, leafNodes12.size());

		// check leaf nodes
		EList<Object> leafNodes2 = (EList<Object>) intermediateNode2.eGet(subFeature);
		assertSame(2, leafNodes2.size());

		Object leafNodeObject21 = leafNodes2.get(0);
		assertTrue(leafNodeObject21 instanceof Node);
		Node leafNode21 = (Node) leafNodeObject21;
		assertEquals("leafNode21", leafNode21.getName());
		EList<Object> leafNodes21 = (EList<Object>) leafNode21.eGet(subFeature);
		assertSame(0, leafNodes21.size());

		Object leafNodeObject22 = leafNodes2.get(1);
		assertTrue(leafNodeObject22 instanceof Node);
		Node leafNode22 = (Node) leafNodeObject22;
		assertEquals("leafNode22", leafNode22.getName());
		EList<Object> leafNodes22 = (EList<Object>) leafNode22.eGet(subFeature);
		assertSame(0, leafNodes22.size());

		// check leaf nodes
		EList<Object> leafNodes3 = (EList<Object>) intermediateSubNode3.eGet(subFeature);
		assertSame(2, leafNodes3.size());

		Object leafNodeObject31 = leafNodes3.get(0);
		assertTrue(leafNodeObject31 instanceof Node);
		Node leafNode31 = (Node) leafNodeObject31;
		assertEquals("leafNode31", leafNode31.getName());
		EList<Object> leafNodes31 = (EList<Object>) leafNode31.eGet(subFeature);
		assertSame(0, leafNodes31.size());

		Object leafNodeObject32 = leafNodes3.get(1);
		assertTrue(leafNodeObject32 instanceof Node);
		Node leafNode32 = (Node) leafNodeObject32;
		assertEquals("leafNode32", leafNode32.getName());
		EList<Object> leafNodes32 = (EList<Object>) leafNode32.eGet(subFeature);
		assertSame(0, leafNodes32.size());

		// check leaf nodes
		EList<Object> leafNodes4 = (EList<Object>) intermediateSubNode4.eGet(subFeature);
		assertSame(2, leafNodes4.size());

		Object leafNodeObject41 = leafNodes4.get(0);
		assertTrue(leafNodeObject41 instanceof Node);
		Node leafNode41 = (Node) leafNodeObject41;
		assertEquals("leafNode41", leafNode41.getName());
		EList<Object> leafNodes41 = (EList<Object>) leafNode41.eGet(subFeature);
		assertSame(0, leafNodes41.size());

		Object leafNodeObject42 = leafNodes4.get(1);
		assertTrue(leafNodeObject42 instanceof Node);
		Node leafNode42 = (Node) leafNodeObject42;
		assertEquals("leafNode42", leafNode42.getName());
		EList<Object> leafNodes42 = (EList<Object>) leafNode42.eGet(subFeature);
		assertSame(0, leafNodes42.size());

	}

	protected void validateModelSingle(EObject modelRoot, EReference topFeature, EReference subFeature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		// check intermediate node
		Object intermediateNodeObject1;
		if (topFeature.isMany()) {
			EList<EObject> intermediateNodeObjects = (EList<EObject>) node.eGet(topFeature);
			assertSame(1, intermediateNodeObjects.size());
			intermediateNodeObject1 = intermediateNodeObjects.get(0);
		} else {
			intermediateNodeObject1 = node.eGet(topFeature);
		}
		assertNotNull(intermediateNodeObject1);
		assertTrue(intermediateNodeObject1 instanceof Node);
		Node intermediateNode1 = (Node) intermediateNodeObject1;
		assertEquals("intermediateNode1", intermediateNode1.getName());

		// check leaf node
		Object leafNodeObject1;
		if (topFeature.isMany()) {
			EList<EObject> leafNodeObjects = (EList<EObject>) intermediateNode1.eGet(subFeature);
			assertSame(1, leafNodeObjects.size());
			leafNodeObject1 = leafNodeObjects.get(0);
		} else {
			leafNodeObject1 = intermediateNode1.eGet(subFeature);
		}
		assertNotNull(leafNodeObject1);
		assertTrue(leafNodeObject1 instanceof Node);
		Node leafNode11 = (Node) leafNodeObject1;
		assertEquals("leafNode1", leafNode11.getName());
	}

	@SuppressWarnings("unchecked")
	protected void validateEAttributeMany(EObject modelRoot, EStructuralFeature feature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		// check intermediate node
		EList<Object> valueObjects = (EList<Object>) node.eGet(feature);
		assertSame(2, valueObjects.size());
		assertEquals("value1", valueObjects.get(0));
		assertEquals("value2", valueObjects.get(1));
	}

	protected void validateEAttributeSingle(EObject modelRoot, EStructuralFeature feature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		Object valueObject = node.eGet(feature);
		assertNotNull(valueObject);
		assertEquals("value1", valueObject);
	}

	@SuppressWarnings("unchecked")
	protected void validateReferencedMany(EObject modelRoot, EReference feature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		EList<Node> childNodes = node.getEReference_Contained0100Many();
		assertSame(2, childNodes.size());
		Node childNode1 = childNodes.get(0);
		Node childNode2 = childNodes.get(1);

		EList<Object> values = (EList<Object>) node.eGet(feature);
		assertSame(2, values.size());

		assertSame(childNode1, values.get(0));
		assertSame(childNode2, values.get(1));
	}

	@SuppressWarnings("unchecked")
	protected void validateReferencedMany_Empty(EObject modelRoot, EReference feature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		EList<Node> childNodes = node.getEReference_Contained0100Many();
		assertSame(2, childNodes.size());

		EList<Object> values = (EList<Object>) node.eGet(feature);
		assertSame(0, values.size());
		assertTrue(node.eIsSet(feature));
	}

	protected void validateReferencedSingle(EObject modelRoot, EReference feature) {
		// check root node
		assertNotNull(modelRoot);
		assertSame(NodesPackage.eINSTANCE.getNode(), modelRoot.eClass());
		Node node = (Node) modelRoot;

		Object valueObject = node.eGet(feature);
		assertNotNull(valueObject);
		assertFalse(((EObject) valueObject).eIsProxy());
		assertSame(node, valueObject);
	}

}