/**
 * Copyright (C) 2010 Olafur Gauti Gudmundsson
 * <p/>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */


package org.mongodb.morphia;


import com.mongodb.BasicDBObject;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import org.junit.Test;
import org.mongodb.morphia.mapping.Mapper;
import org.mongodb.morphia.mapping.cache.DefaultEntityCache;
import org.mongodb.morphia.testmodel.Circle;
import org.mongodb.morphia.testmodel.Rectangle;
import org.mongodb.morphia.testmodel.Shape;
import org.mongodb.morphia.testmodel.ShapeShifter;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;


/**
 * @author Olafur Gauti Gudmundsson
 */
public class TestInterfaces extends TestBase {

    @Test
    public void testDynamicInstantiation() throws Exception {
        final DBCollection shapes = getDb().getCollection("shapes");
        final DBCollection shapeshifters = getDb().getCollection("shapeshifters");

        getMorphia().map(Circle.class).map(Rectangle.class).map(ShapeShifter.class);

        final Shape rectangle = new Rectangle(2, 5);

        final DBObject rectangleDbObj = getMorphia().toDBObject(rectangle);
        shapes.save(rectangleDbObj);

        final BasicDBObject rectangleDbObjLoaded = (BasicDBObject) shapes.findOne(new BasicDBObject(Mapper.ID_KEY,
                                                                                                    rectangleDbObj.get(Mapper.ID_KEY)));
        final Shape rectangleLoaded = getMorphia().fromDBObject(getDs(), Shape.class, rectangleDbObjLoaded, new DefaultEntityCache());

        assertTrue(rectangle.getArea() == rectangleLoaded.getArea());
        assertTrue(rectangleLoaded instanceof Rectangle);

        final ShapeShifter shifter = new ShapeShifter();
        shifter.setReferencedShape(rectangleLoaded);
        shifter.setMainShape(new Circle(2.2));
        shifter.getAvailableShapes().add(new Rectangle(3, 3));
        shifter.getAvailableShapes().add(new Circle(4.4));

        final DBObject shifterDbObj = getMorphia().toDBObject(shifter);
        shapeshifters.save(shifterDbObj);

        final BasicDBObject shifterDbObjLoaded = (BasicDBObject) shapeshifters.findOne(new BasicDBObject(Mapper.ID_KEY,
                                                                                                         shifterDbObj.get(Mapper.ID_KEY)));
        final ShapeShifter shifterLoaded = getMorphia().fromDBObject(getDs(), ShapeShifter.class, shifterDbObjLoaded,
                                                                     new DefaultEntityCache());
        assertNotNull(shifterLoaded);
        assertNotNull(shifterLoaded.getReferencedShape());
        assertNotNull(shifterLoaded.getReferencedShape().getArea());
        assertNotNull(rectangle);
        assertNotNull(rectangle.getArea());

        assertTrue(rectangle.getArea() == shifterLoaded.getReferencedShape().getArea());
        assertTrue(shifterLoaded.getReferencedShape() instanceof Rectangle);
        assertTrue(shifter.getMainShape().getArea() == shifterLoaded.getMainShape().getArea());
        assertEquals(shifter.getAvailableShapes().size(), shifterLoaded.getAvailableShapes().size());
    }
}