/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.test.annotations.basic;

import java.util.HashSet;
import java.util.Set;
import javax.persistence.Basic;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

import org.hibernate.annotations.Type;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.type.AbstractSingleColumnStandardBasicType;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.AbstractTypeDescriptor;
import org.hibernate.type.descriptor.java.MutableMutabilityPlan;
import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor;

import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.junit.Test;

/**
 * @author Steve Ebersole
 */
public class CollectionAsBasicTest extends BaseUnitTestCase {
	@Test
	public void testCollectionAsBasic() {
		StandardServiceRegistry ssr = new StandardServiceRegistryBuilder().build();
		try {
			Metadata metadata = new MetadataSources(ssr).addAnnotatedClass( Post.class )
					.getMetadataBuilder().applyBasicType( new DelimitedStringsType() )
					.build();
			PersistentClass postBinding = metadata.getEntityBinding( Post.class.getName() );
			Property tagsAttribute = postBinding.getProperty( "tags" );
		}
		finally {
			StandardServiceRegistryBuilder.destroy( ssr );
		}
	}

	@Entity
	@Table( name = "post")
	public static class Post {
		@Id
		public Integer id;
		@Basic
		@Type( type = "delimited_strings" )
		Set<String> tags;
	}

	public static class DelimitedStringsType extends AbstractSingleColumnStandardBasicType<Set> {

		public DelimitedStringsType() {
			super(
					VarcharTypeDescriptor.INSTANCE,
					new DelimitedStringsJavaTypeDescriptor()
			);
		}

		@Override
		public String getName() {
			return "delimited_strings";
		}
	}

	public static class DelimitedStringsJavaTypeDescriptor extends AbstractTypeDescriptor<Set> {
		public DelimitedStringsJavaTypeDescriptor() {
			super(
					Set.class,
					new MutableMutabilityPlan<Set>() {
						@Override
						protected Set deepCopyNotNull(Set value) {
							Set<String> copy = new HashSet<String>();
							copy.addAll( value );
							return copy;
						}
					}
			);
		}

		@Override
		public String toString(Set value) {
			return null;
		}

		@Override
		public Set fromString(String string) {
			return null;
		}

		@Override
		public <X> X unwrap(Set value, Class<X> type, WrapperOptions options) {
			return null;
		}

		@Override
		public <X> Set wrap(X value, WrapperOptions options) {
			return null;
		}
	}
}