/*
 * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     tware - initial implementation
package org.eclipse.persistence.testing.tests.collections.map;

import java.util.Iterator;

import org.eclipse.persistence.expressions.ExpressionBuilder;
import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.mappings.ManyToManyMapping;
import org.eclipse.persistence.queries.ReadObjectQuery;
import org.eclipse.persistence.sessions.UnitOfWork;
import org.eclipse.persistence.testing.framework.TestCase;
import org.eclipse.persistence.testing.framework.TestErrorException;
import org.eclipse.persistence.testing.models.collections.map.EntityMapValue;
import org.eclipse.persistence.testing.models.collections.map.DirectEntityMapHolder;

public class TestUpdateDirectEntityMapMapping extends TestCase {

    private DirectEntityMapHolder holder = null;

    protected ManyToManyMapping mapping = null;
    private boolean usePrivateOwned = false;
    private boolean oldPrivateOwnedValue = false;
    protected DirectEntityMapHolder changedHolder = null;

    public TestUpdateDirectEntityMapMapping(){
        super();
    }

    public TestUpdateDirectEntityMapMapping(boolean usePrivateOwned){
        this();
        this.usePrivateOwned = usePrivateOwned;
        setName("TestUpdateDirectEntityMapMapping privateOwned=" + usePrivateOwned);
    }

    @Override
    public void setup(){
        mapping = (ManyToManyMapping)getSession().getProject().getDescriptor(DirectEntityMapHolder.class).getMappingForAttributeName("directToEntityMap");
        oldPrivateOwnedValue = mapping.isPrivateOwned();
        mapping.setIsPrivateOwned(usePrivateOwned);

        UnitOfWork uow = getSession().acquireUnitOfWork();
        holder = new DirectEntityMapHolder();
        EntityMapValue value = new EntityMapValue();
        value.setId(1);
        holder.addDirectToEntityMapItem(11, value);


        EntityMapValue value2 = new EntityMapValue();
        value2.setId(2);
        holder.addDirectToEntityMapItem(22, value2);
        uow.registerObject(holder);
        uow.registerObject(value);
        uow.registerObject(value2);
        uow.commit();
        Object holderForComparison = uow.readObject(holder);
        if (!compareObjects(holder, holderForComparison)){
            throw new TestErrorException("Objects do not match after write");
        }
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
    }

    @Override
    public void test(){
        UnitOfWork uow = getSession().acquireUnitOfWork();
        changedHolder = (DirectEntityMapHolder)uow.readObject(holder);
        EntityMapValue value = new EntityMapValue();
        value.setId(3);
        changedHolder.addDirectToEntityMapItem(33, value);

        changedHolder.getDirectToEntityMap().remove(11);
        uow.commit();
        Object holderForComparison = uow.readObject(holder);
        if (!compareObjects(changedHolder, holderForComparison)){
            throw new TestErrorException("Objects do not match after write");
        }
    }

    @Override
    public void verify(){
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
        holder = (DirectEntityMapHolder)getSession().readObject(holder);
        if (!compareObjects(holder, changedHolder)){
            throw new TestErrorException("Objects do not match reinitialize");
        }
        if (holder.getDirectToEntityMap().size() != 2){
            throw new TestErrorException("Incorrect Number of MapEntityValues was read.");
        }
        EntityMapValue value = (EntityMapValue)holder.getDirectToEntityMap().get(33);
        if (value.getId() != 3){
            throw new TestErrorException("MapEntityValue was not added properly.");
        }
        value = (EntityMapValue)holder.getDirectToEntityMap().get(11);
        if (value != null){
            throw new TestErrorException("Deleted EntityMapValue still around.");
        }
        if (mapping.isPrivateOwned()){
            ReadObjectQuery query = new ReadObjectQuery(EntityMapValue.class);
            ExpressionBuilder values = new ExpressionBuilder();
            Expression criteria = values.get("id").equal(1);
            query.setSelectionCriteria(criteria);
            value = (EntityMapValue)getSession().executeQuery(query);
            if (value != null){
                throw new TestErrorException("PrivateOwned EntityMapValue was not deleted.");
            }
        }
    }

    @Override
    public void reset(){
        UnitOfWork uow = getSession().acquireUnitOfWork();
        Iterator j = holder.getDirectToEntityMap().keySet().iterator();
        while (j.hasNext()){
            uow.deleteObject(holder.getDirectToEntityMap().get(j.next()));
        }
        uow.deleteObject(holder);
        uow.commit();
        mapping.setIsPrivateOwned(oldPrivateOwnedValue);
    }

}