/*
 * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
 *
 * 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 com.hazelcast.client.test;

import com.hazelcast.client.connection.ClientConnectionManager;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.HazelcastClientProxy;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.nio.Address;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastTestSupport;

import static org.junit.Assert.assertEquals;

public class ClientTestSupport extends HazelcastTestSupport {

    /**
     * Blocks incoming messages to client from given instance
     */
    protected void blockMessagesFromInstance(HazelcastInstance instance, HazelcastInstance client) {
        HazelcastClientInstanceImpl clientImpl = getHazelcastClientInstanceImpl(client);
        ClientConnectionManager connectionManager = clientImpl.getConnectionManager();
        Address address = instance.getCluster().getLocalMember().getAddress();
        ((TestClientRegistry.MockClientConnectionManager) connectionManager).blockFrom(address);
    }

    /**
     * Unblocks incoming messages to client from given instance
     */
    protected void unblockMessagesFromInstance(HazelcastInstance instance, HazelcastInstance client) {
        HazelcastClientInstanceImpl clientImpl = getHazelcastClientInstanceImpl(client);
        ClientConnectionManager connectionManager = clientImpl.getConnectionManager();
        Address address = instance.getCluster().getLocalMember().getAddress();
        ((TestClientRegistry.MockClientConnectionManager) connectionManager).unblockFrom(address);
    }

    /**
     * Blocks outgoing messages from client to given instance
     */
    protected void blockMessagesToInstance(HazelcastInstance instance, HazelcastInstance client) {
        HazelcastClientInstanceImpl clientImpl = getHazelcastClientInstanceImpl(client);
        ClientConnectionManager connectionManager = clientImpl.getConnectionManager();
        Address address = instance.getCluster().getLocalMember().getAddress();
        ((TestClientRegistry.MockClientConnectionManager) connectionManager).blockTo(address);
    }

    /**
     * Unblocks outgoing messages from client to given instance
     */
    protected void unblockMessagesToInstance(HazelcastInstance instance, HazelcastInstance client) {
        HazelcastClientInstanceImpl clientImpl = getHazelcastClientInstanceImpl(client);
        ClientConnectionManager connectionManager = clientImpl.getConnectionManager();
        Address address = instance.getCluster().getLocalMember().getAddress();
        ((TestClientRegistry.MockClientConnectionManager) connectionManager).unblockTo(address);
    }

    protected HazelcastClientInstanceImpl getHazelcastClientInstanceImpl(HazelcastInstance client) {
        HazelcastClientProxy clientProxy = (HazelcastClientProxy) client;
        return clientProxy.client;
    }

    protected HazelcastInstance getOwnerServer(TestHazelcastFactory factory, HazelcastClientInstanceImpl client) {
        Address ownerConnectionAddress = client.getClientClusterService().getOwnerConnectionAddress();
        return factory.getInstance(ownerConnectionAddress);
    }

    protected void makeSureConnectedToServers(final HazelcastInstance client, final int numberOfServers) {
        assertTrueEventually(new AssertTask() {
            @Override
            public void run() throws Exception {
                ClientConnectionManager connectionManager = getHazelcastClientInstanceImpl(client).getConnectionManager();
                assertEquals(numberOfServers, connectionManager.getActiveConnections().size());
            }
        });
    }
}