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.CollectionTools;
import org.eclipse.jpt.common.utility.internal.iterators.ArrayIterator;
import org.eclipse.jpt.jaxb.core.context.JaxbClass;
import org.eclipse.jpt.jaxb.core.context.JaxbClassMapping;
import org.eclipse.jpt.jaxb.core.context.JaxbPersistentAttribute;
import org.eclipse.jpt.jaxb.core.resource.java.JAXB;
import org.eclipse.jpt.jaxb.eclipselink.core.context.java.ELXmlElementMapping;
import org.eclipse.jpt.jaxb.eclipselink.core.context.java.ELXmlPath;
import org.eclipse.jpt.jaxb.eclipselink.core.internal.context.java.ELJavaXmlElementMapping;
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;


public class ELJavaXmlPathTests
		extends ELJaxbContextModelTestCase {
	
	public ELJavaXmlPathTests(String name) {
		super(name);
	}
	
	
	private ICompilationUnit createTypeWithXmlPath() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return new ArrayIterator<String>(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 testModifyValue() throws Exception {
		createTypeWithXmlPath();
		
		JaxbClass jaxbClass = (JaxbClass) CollectionTools.get(getContextRoot().getTypes(), 0);
		JaxbClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = CollectionTools.get(classMapping.getAttributes(), 0);
		ELXmlElementMapping mapping = (ELXmlElementMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		ELXmlPath xpath = mapping.getXmlPath();
		XmlPathAnnotation annotation = (XmlPathAnnotation) resourceAttribute.getAnnotation(0, ELJaxb.XML_PATH);
		
		assertNull(annotation.getValue());
		assertNull(xpath.getValue());
		
		xpath.setValue("foo");
		
		assertEquals("foo", annotation.getValue());
		assertEquals("foo", xpath.getValue());
		
		xpath.setValue("");
		
		assertEquals("", annotation.getValue());
		assertEquals("", xpath.getValue());
		
		xpath.setValue(null);
		
		assertNull(annotation.getValue());
		assertNull(xpath.getValue());
	}

	public void testUpdateValue() throws Exception {
		createTypeWithXmlPath();
		
		JaxbClass jaxbClass = (JaxbClass) CollectionTools.get(getContextRoot().getTypes(), 0);
		JaxbClassMapping classMapping = jaxbClass.getMapping();
		JaxbPersistentAttribute persistentAttribute = CollectionTools.get(classMapping.getAttributes(), 0);
		ELJavaXmlElementMapping mapping = (ELJavaXmlElementMapping) persistentAttribute.getMapping();
		JavaResourceAttribute resourceAttribute = mapping.getPersistentAttribute().getJavaResourceAttribute();
		ELXmlPath xpath = mapping.getXmlPath();
		XmlPathAnnotation annotation = (XmlPathAnnotation) resourceAttribute.getAnnotation(0, ELJaxb.XML_PATH);
		
		assertNull(annotation.getValue());
		assertNull(xpath.getValue());
		
		AnnotatedElement annotatedElement = this.annotatedElement(resourceAttribute);
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlPathTests.this.setMemberValuePair(
						declaration, ELJaxb.XML_PATH, "foo");
			}
		});
		
		assertEquals("foo", annotation.getValue());
		assertEquals("foo", xpath.getValue());
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlPathTests.this.setMemberValuePair(
						declaration, ELJaxb.XML_PATH, "");
			}
		});
		
		assertEquals("", annotation.getValue());
		assertEquals("", xpath.getValue());
		
		annotatedElement.edit(new Member.Editor() {
			public void edit(ModifiedDeclaration declaration) {
				ELJavaXmlPathTests.this.removeMemberValuePair(
						declaration, ELJaxb.XML_PATH);
			}
		});
		
		assertNull(annotation.getValue());
		assertNull(xpath.getValue());
	}
}