
package org.apache.directmemory.lightning.maven.integration;

import java.io.IOException;
import java.util.List;
import java.util.Map;

import org.apache.directmemory.lightning.Source;
import org.apache.directmemory.lightning.Target;
import org.apache.directmemory.lightning.Marshaller;
import org.apache.directmemory.lightning.SerializationContext;
import org.apache.directmemory.lightning.instantiator.ObjectInstantiatorFactory;
import org.apache.directmemory.lightning.internal.ClassDescriptorAwareSerializer;
import org.apache.directmemory.lightning.internal.generator.AbstractGeneratedMarshaller;
import org.apache.directmemory.lightning.metadata.ValuePropertyAccessor;
import org.apache.directmemory.lightning.metadata.PropertyDescriptor;

public final class FooLightningGeneratedMarshaller extends AbstractGeneratedMarshaller {

	private final PropertyDescriptor DESCRIPTOR_BAR_LIGHTNING;
	private final Marshaller MARSHALLER_BAR_LIGHTNING;
	private final ValuePropertyAccessor ACCESSOR_BAR_LIGHTNING;
	private final PropertyDescriptor DESCRIPTOR_FOO_LIGHTNING;
	private final Marshaller MARSHALLER_FOO_LIGHTNING;
	private final ValuePropertyAccessor ACCESSOR_FOO_LIGHTNING;

	public FooLightningGeneratedMarshaller (Class<?> marshalledType, Map<Class<?>, Marshaller> marshallers,
		ClassDescriptorAwareSerializer serializer, ObjectInstantiatorFactory objectInstantiatorFactory,
		List<PropertyDescriptor> propertyDescriptors) {
		
		super(marshalledType, marshallers, serializer, objectInstantiatorFactory);
		DESCRIPTOR_BAR_LIGHTNING = propertyDescriptors.get(0);
		
		PropertyDescriptor bar = findPropertyDescriptor("bar", propertyDescriptors);
		Marshaller barMarshaller = bar.getMarshaller();
		if (barMarshaller == null) {
			barMarshaller = findMarshaller(bar);
		}
		MARSHALLER_BAR_LIGHTNING = barMarshaller;

		ACCESSOR_BAR_LIGHTNING = (ValuePropertyAccessor) getPropertyAccessor("bar");
		DESCRIPTOR_FOO_LIGHTNING = propertyDescriptors.get(1);
		
		PropertyDescriptor foo = findPropertyDescriptor("foo", propertyDescriptors);
		Marshaller fooMarshaller = foo.getMarshaller();
		if (fooMarshaller == null) {
			fooMarshaller = findMarshaller(foo);
		}
		MARSHALLER_FOO_LIGHTNING = fooMarshaller;

		ACCESSOR_FOO_LIGHTNING = (ValuePropertyAccessor) getPropertyAccessor("foo");
	}
	
	public void marshall(Object value, PropertyDescriptor propertyDescriptor, Target target, SerializationContext serializationContext) throws IOException {
		if (isAlreadyMarshalled(value, propertyDescriptor.getType(), target, serializationContext)) {
			return;
		}

		ValuePropertyAccessor barPropertyAccessor = this.ACCESSOR_BAR_LIGHTNING;
		PropertyDescriptor barPropertyDescriptor = this.DESCRIPTOR_BAR_LIGHTNING;
		this.MARSHALLER_BAR_LIGHTNING.marshall(Integer.valueOf(barPropertyAccessor.readInt(value)), barPropertyDescriptor, target, serializationContext);

		ValuePropertyAccessor fooPropertyAccessor = this.ACCESSOR_FOO_LIGHTNING;
		PropertyDescriptor fooPropertyDescriptor = this.DESCRIPTOR_FOO_LIGHTNING;
		this.MARSHALLER_FOO_LIGHTNING.marshall(fooPropertyAccessor.readObject(value), fooPropertyDescriptor, target, serializationContext);

	}
	
	public <V> V unmarshall(V instance, PropertyDescriptor propertyDescriptor, Source source, SerializationContext serializationContext) throws IOException {
		ValuePropertyAccessor barPropertyAccessor = this.ACCESSOR_BAR_LIGHTNING;
		PropertyDescriptor barPropertyDescriptor = this.DESCRIPTOR_BAR_LIGHTNING;
		Object barValue = this.MARSHALLER_BAR_LIGHTNING.unmarshall(barPropertyDescriptor, source, serializationContext);
		barPropertyAccessor.writeInt(instance, ((Integer) barValue).intValue());

		ValuePropertyAccessor fooPropertyAccessor = this.ACCESSOR_FOO_LIGHTNING;
		PropertyDescriptor fooPropertyDescriptor = this.DESCRIPTOR_FOO_LIGHTNING;
		Object fooValue = this.MARSHALLER_FOO_LIGHTNING.unmarshall(fooPropertyDescriptor, source, serializationContext);
		fooPropertyAccessor.writeObject(instance, fooValue);

		return instance;
	}
	
	private PropertyDescriptor findPropertyDescriptor(String propertyName, List<PropertyDescriptor> propertyDescriptors) {
		for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
			if (propertyDescriptor.getPropertyName().equals(propertyName)) {
				return propertyDescriptor;
			}
		}
		return null;
	}
}