/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.qpid.tests.protocol.v1_0.transport.link;

import static org.hamcrest.CoreMatchers.both;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.lessThan;
import static org.hamcrest.Matchers.notNullValue;

import java.net.InetSocketAddress;

import org.junit.Test;

import org.apache.qpid.server.protocol.v1_0.type.UnsignedInteger;
import org.apache.qpid.server.protocol.v1_0.type.messaging.Source;
import org.apache.qpid.server.protocol.v1_0.type.messaging.Target;
import org.apache.qpid.server.protocol.v1_0.type.transport.AmqpError;
import org.apache.qpid.server.protocol.v1_0.type.transport.Attach;
import org.apache.qpid.server.protocol.v1_0.type.transport.Close;
import org.apache.qpid.server.protocol.v1_0.type.transport.Role;
import org.apache.qpid.tests.protocol.v1_0.BrokerAdmin;
import org.apache.qpid.tests.protocol.v1_0.FrameTransport;
import org.apache.qpid.tests.protocol.v1_0.PerformativeResponse;
import org.apache.qpid.tests.protocol.v1_0.ProtocolTestBase;
import org.apache.qpid.tests.protocol.v1_0.SpecificationTest;

public class AttachTest extends ProtocolTestBase
{
    @Test
    @SpecificationTest(section = "1.3.4",
            description = "Attach without mandatory fields should result in a decoding error.")
    public void emptyAttach() throws Exception
    {
        final InetSocketAddress addr = getBrokerAdmin().getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
        try (FrameTransport transport = new FrameTransport(addr))
        {
            transport.doBeginSession();
            Attach attach = new Attach();

            transport.sendPerformative(attach);
            PerformativeResponse response = (PerformativeResponse) transport.getNextResponse();

            assertThat(response, is(notNullValue()));
            assertThat(response.getFrameBody(), is(instanceOf(Close.class)));
            Close responseClose = (Close) response.getFrameBody();
            assertThat(responseClose.getError(), is(notNullValue()));
            assertThat(responseClose.getError().getCondition(), equalTo(AmqpError.DECODE_ERROR));
        }
    }

    @Test
    @SpecificationTest(section = "2.6.3",
            description = "Links are established and/or resumed by creating a link endpoint associated with a local terminus, "
                          + "assigning it to an unused handle, and sending an attach frame.")
    public void successfulAttachAsSender() throws Exception
    {
        final InetSocketAddress addr = getBrokerAdmin().getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
        try (FrameTransport transport = new FrameTransport(addr))
        {
            transport.doBeginSession();
            Attach attach = new Attach();
            attach.setName("testLink");
            attach.setHandle(new UnsignedInteger(0));
            attach.setRole(Role.SENDER);
            attach.setInitialDeliveryCount(UnsignedInteger.ZERO);
            Source source = new Source();
            attach.setSource(source);
            Target target = new Target();
            attach.setTarget(target);

            transport.sendPerformative(attach);
            PerformativeResponse response = (PerformativeResponse) transport.getNextResponse();

            assertThat(response, is(notNullValue()));
            assertThat(response.getFrameBody(), is(instanceOf(Attach.class)));
            Attach responseAttach = (Attach) response.getFrameBody();
            assertThat(responseAttach.getName(), is(notNullValue()));
            assertThat(responseAttach.getHandle().longValue(), is(both(greaterThanOrEqualTo(0L)).and(lessThan(UnsignedInteger.MAX_VALUE.longValue()))));
            assertThat(responseAttach.getRole(), is(Role.RECEIVER));
            assertThat(responseAttach.getTarget(), is(notNullValue()));
            assertThat(responseAttach.getSource(), is(notNullValue()));
        }
    }

    @Test
    @SpecificationTest(section = "2.6.3",
            description = "Links are established and/or resumed by creating a link endpoint associated with a local terminus, "
                          + "assigning it to an unused handle, and sending an attach frame.")
    public void successfulAttachAsReceiver() throws Exception
    {
        String queueName = "testQueue";
        getBrokerAdmin().createQueue(queueName);
        final InetSocketAddress addr = getBrokerAdmin().getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
        try (FrameTransport transport = new FrameTransport(addr))
        {
            Role localRole = Role.RECEIVER;
            transport.doBeginSession();
            Attach attach = new Attach();
            attach.setName("testLink");
            attach.setHandle(new UnsignedInteger(0));
            attach.setRole(localRole);
            Source source = new Source();
            source.setAddress(queueName);
            attach.setSource(source);
            Target target = new Target();
            attach.setTarget(target);

            transport.sendPerformative(attach);
            PerformativeResponse response = (PerformativeResponse) transport.getNextResponse();

            assertThat(response, is(notNullValue()));
            assertThat(response.getFrameBody(), is(instanceOf(Attach.class)));
            Attach responseAttach = (Attach) response.getFrameBody();
            assertThat(responseAttach.getName(), is(notNullValue()));
            assertThat(responseAttach.getHandle().longValue(), is(both(greaterThanOrEqualTo(0L)).and(lessThan(UnsignedInteger.MAX_VALUE.longValue()))));
            assertThat(responseAttach.getRole(), is(Role.SENDER));
            assertThat(responseAttach.getSource(), is(notNullValue()));
        }
    }
}