/*******************************************************************************
 * Copyright (c) 2012, 2013 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0, which accompanies this distribution
 * and is available at https://www.eclipse.org/legal/epl-2.0/.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.jaxb.eclipselink.core.tests.internal.context.java;

import java.util.Iterator;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute;
import org.eclipse.jpt.common.core.utility.jdt.AnnotatedElement;
import org.eclipse.jpt.common.core.utility.jdt.Member;
import org.eclipse.jpt.common.core.utility.jdt.ModifiedDeclaration;
import org.eclipse.jpt.common.utility.internal.iterable.IterableTools;
import org.eclipse.jpt.common.utility.internal.iterator.IteratorTools;
import org.eclipse.jpt.jaxb.core.MappingKeys;
import org.eclipse.jpt.jaxb.core.context.JaxbPersistentAttribute;
import org.eclipse.jpt.jaxb.core.context.java.JavaClass;
import org.eclipse.jpt.jaxb.core.context.java.JavaClassMapping;
import org.eclipse.jpt.jaxb.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jaxb.core.resource.java.JAXB;
import org.eclipse.jpt.jaxb.eclipselink.core.internal.context.java.ELJavaXmlAttributeMapping;
import org.eclipse.jpt.jaxb.eclipselink.core.internal.v2_2.ELJaxb_2_2_PlatformDefinition;
import org.eclipse.jpt.jaxb.eclipselink.core.resource.java.ELJaxb;
import org.eclipse.jpt.jaxb.eclipselink.core.resource.java.XmlPathAnnotation;
import org.eclipse.jpt.jaxb.eclipselink.core.tests.internal.context.ELJaxbContextModelTestCase;

@SuppressWarnings("nls")
public class ELJavaXmlAttributeMappingTests
		extends ELJaxbContextModelTestCase {
	
	public ELJavaXmlAttributeMappingTests(String name) {
		super(name);
	}
	
	
	@Override
	protected String getPlatformID() {
		return ELJaxb_2_2_PlatformDefinition.ID;
	}
	
	private ICompilationUnit createTypeWithXmlAttribute() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return IteratorTools.iterator(JAXB.XML_TYPE, JAXB.XML_ATTRIBUTE);
			}
			
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@XmlType");
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append("@XmlAttribute");
			}
		});
	}
	
	private ICompilationUnit createTypeWithXmlPath() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return IteratorTools.iterator(JAXB.XML_TYPE, ELJaxb.XML_PATH);
			}
			
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@XmlType");
			}
			
			@Override
			public void appendIdFieldAnnotationTo(StringBuilder sb) {
				sb.append("@XmlPath");
			}
		});
	}
	
	
	public void testModifyXmlPath() throws Exception {
		createTypeWithXmlAttribute();
		
		JavaClass jaxbClass = (JavaClass) IterableTools.get(getContextRoot().getJavaTypes(), 0);
		JavaClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = IterableTools.get(classMapping.getAttributes(), 0);
		ELJavaXmlAttributeMapping mapping = (ELJavaXmlAttributeMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		
		assertEquals(0, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNull(mapping.getXmlPath());
		
		mapping.addXmlPath();
		
		assertEquals(1, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNotNull(mapping.getXmlPath());
		
		mapping.removeXmlPath();
		
		assertEquals(0, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNull(mapping.getXmlPath());
	}
	
	public void testUpdateXmlPath() throws Exception {
		createTypeWithXmlAttribute();
		
		JavaClass jaxbClass = (JavaClass) IterableTools.get(getContextRoot().getJavaTypes(), 0);
		JavaClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = IterableTools.get(classMapping.getAttributes(), 0);
		ELJavaXmlAttributeMapping mapping = (ELJavaXmlAttributeMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		
		assertEquals(0, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNull(mapping.getXmlPath());
		
		AnnotatedElement annotatedElement = this.annotatedElement(resourceAttribute);
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.addMarkerAnnotation(
						declaration.getDeclaration(), ELJaxb.XML_PATH);
			}
		});
		
		assertEquals(1, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNotNull(mapping.getXmlPath());
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.removeAnnotation(declaration, ELJaxb.XML_PATH);
			}
		});
		
		assertEquals(0, IterableTools.size(resourceAttribute.getAnnotations(ELJaxb.XML_PATH)));
		assertNull(mapping.getXmlPath());
	}
	
	public void testDefault() throws Exception {
		createTypeWithXmlPath();
		
		JavaClass jaxbClass = (JavaClass) IterableTools.get(getContextRoot().getJavaTypes(), 0);
		JavaClassMapping classMapping = jaxbClass.getMapping();
		JavaPersistentAttribute persistentAttribute = IterableTools.get(classMapping.getAttributes(), 0);
		JavaResourceAttribute resourceAttribute = persistentAttribute.getJavaResourceAttribute();
		XmlPathAnnotation xmlPathAnnotation = (XmlPathAnnotation) resourceAttribute.getAnnotation(0, ELJaxb.XML_PATH);
		
		assertNotNull(xmlPathAnnotation);
		assertFalse(persistentAttribute.getMapping().getKey() == MappingKeys.XML_ATTRIBUTE_ATTRIBUTE_MAPPING_KEY);
		
		AnnotatedElement annotatedElement = this.annotatedElement(resourceAttribute);
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.setMemberValuePair(
						declaration, ELJaxb.XML_PATH, "./element[@name=\"foo\"]/element[1]/text()");
			}
		});
		
		assertNotNull(xmlPathAnnotation.getValue());
		assertFalse(persistentAttribute.getMapping().getKey() == MappingKeys.XML_ATTRIBUTE_ATTRIBUTE_MAPPING_KEY);
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.setMemberValuePair(
						declaration, ELJaxb.XML_PATH, "element/@attribute");
			}
		});
		
		assertNotNull(xmlPathAnnotation.getValue());
		assertTrue(persistentAttribute.getMapping().getKey() == MappingKeys.XML_ATTRIBUTE_ATTRIBUTE_MAPPING_KEY);
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.removeMemberValuePair(
						declaration, ELJaxb.XML_PATH);
			}
		});
		
		assertNull(xmlPathAnnotation.getValue());
		assertFalse(persistentAttribute.getMapping().getKey() == MappingKeys.XML_ATTRIBUTE_ATTRIBUTE_MAPPING_KEY);
	}
	
	public void testModifyXmlKey() throws Exception {
		createTypeWithXmlAttribute();
		
		JavaClass jaxbClass = (JavaClass) IterableTools.get(getContextRoot().getJavaTypes(), 0);
		JavaClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = IterableTools.get(classMapping.getAttributes(), 0);
		ELJavaXmlAttributeMapping mapping = (ELJavaXmlAttributeMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		
		assertNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNull(mapping.getXmlKey());
		
		mapping.addXmlKey();
		
		assertNotNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNotNull(mapping.getXmlKey());
		
		mapping.removeXmlKey();
		
		assertNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNull(mapping.getXmlKey());
	}
	
	public void testUpdateXmlKey() throws Exception {
		createTypeWithXmlAttribute();
		
		JavaClass jaxbClass = (JavaClass) IterableTools.get(getContextRoot().getJavaTypes(), 0);
		JavaClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = IterableTools.get(classMapping.getAttributes(), 0);
		ELJavaXmlAttributeMapping mapping = (ELJavaXmlAttributeMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		
		assertNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNull(mapping.getXmlKey());
		
		AnnotatedElement annotatedElement = this.annotatedElement(resourceAttribute);
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.addMarkerAnnotation(
						declaration.getDeclaration(), ELJaxb.XML_KEY);
			}
		});
		
		assertNotNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNotNull(mapping.getXmlKey());
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlAttributeMappingTests.this.removeAnnotation(declaration, ELJaxb.XML_KEY);
			}
		});
		
		assertNull(resourceAttribute.getAnnotation(ELJaxb.XML_KEY));
		assertNull(mapping.getXmlKey());
	}
}