/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2013, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.jpa.test.convert;

import static org.junit.Assert.assertEquals;

import java.math.BigDecimal;
import java.math.RoundingMode;

import javax.persistence.AttributeConverter;
import javax.persistence.Column;
import javax.persistence.Converter;
import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.Id;
import javax.persistence.Table;

import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.testing.TestForIssue;
import org.junit.Test;

/**
 * Test AttributeConverter functioning in case where entity type is derived from jdbc type.
 *
 * @author Karthik Abram
 */
@TestForIssue( jiraKey = "HHH-10549" )
public class ConversionAutoApplyTest extends BaseEntityManagerFunctionalTestCase {


	@Test
	public void testConverterIsNotIncorrectlyApplied() {
		Widget w = new Widget();
		w.setId( 1 );
		w.setDimension( new BigDecimal( "1.0" ) );
		w.setCost( new Money( "2.0" ) );

		EntityManager em = entityManagerFactory().createEntityManager();
		em.getTransaction().begin();
		em.persist( w );
		em.getTransaction().commit();
		em.close();		

		em = entityManagerFactory().createEntityManager();
		em.getTransaction().begin();
		Widget recorded = em.find( Widget.class, 1 );
		assertEquals( 1, recorded.getId() );

		em.remove(recorded);
		em.getTransaction().commit();
		em.close();
	}


	@Override
	protected Class<?>[] getAnnotatedClasses() {
		return new Class[] { Widget.class, MoneyConverter.class };
	}


	public static class Money extends BigDecimal {

		public Money(String value) {
			super( value );
		}


		public Money(BigDecimal value) {
			super( value.toString() );
		}


		@Override
		public BigDecimal add(BigDecimal augend) {
			return new Money( this.add( augend ).setScale( 10, RoundingMode.HALF_EVEN ) );
		}
	}


	@Converter( autoApply = true )
	public static class MoneyConverter implements AttributeConverter<Money, BigDecimal> {

		@Override
		public BigDecimal convertToDatabaseColumn(Money attribute) {
			return attribute == null ? null : new BigDecimal(attribute.toString());
		}


		@Override
		public Money convertToEntityAttribute(BigDecimal dbData) {
			return dbData == null ? null : new Money( dbData.toString() );
		}

	}


	@Entity
	@Table( name = "Widget" )
	public static class Widget {

		private int id;
		private BigDecimal dimension;
		private Money cost;


		@Id
		public int getId() {
			return id;
		}


		public void setId(int id) {
			this.id = id;
		}


		public BigDecimal getDimension() {
			return dimension;
		}


		public void setDimension(BigDecimal dimension) {
			this.dimension = dimension;
		}


		@Column( name = "cost" )
		public Money getCost() {
			return cost;
		}


		public void setCost(Money cost) {
			this.cost = cost;
		}

	}
	



	
}