/*
 * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. 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.wso2.carbon.esb.rabbitmq.transport.test;

import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import org.wso2.carbon.esb.rabbitmq.utils.RabbitMQServerInstance;
import org.wso2.carbon.esb.rabbitmq.utils.RabbitMQTestUtils;
import org.wso2.carbon.integration.common.admin.client.LogViewerClient;
import org.wso2.carbon.logging.view.stub.types.carbon.LogEvent;
import org.wso2.esb.integration.common.utils.ESBIntegrationTest;
import org.wso2.esb.integration.common.utils.clients.rabbitmqclient.RabbitMQProducerClient;

import java.io.File;
import java.io.IOException;

/**
 * RabbitMQJSONConsumerTestCase tests EI as a rabbitmq consumer using a proxy service where the payload is a JSON
 * object.
 */
public class RabbitMQJSONConsumerTestCase extends ESBIntegrationTest {

    private LogViewerClient logViewer;
    private RabbitMQProducerClient sender;

    @BeforeClass(alwaysRun = true)
    public void init() throws Exception {
        super.init();
        sender = RabbitMQServerInstance.createProducerWithDeclaration("exchange2", "consumer_json");
        //The consumer proxy cannot be pre-deployed since the queue declaration(which is done in 'initRabbitMQBroker')
        // must happen before deployment.
        loadESBConfigurationFromClasspath(File.separator + "artifacts" + File.separator
                                          + "ESB" + File.separator + "rabbitmq" + File.separator +
                                          "transport" + File.separator + "rabbitmq_consumer_json.xml");
        logViewer = new LogViewerClient(contextUrls.getBackEndUrl(), getSessionCookie());
    }

    @Test(groups = { "wso2.esb" },
          description = "Test ESB as a RabbitMQ consumer for JSON messages ")
    public void testRabbitMQJSONConsumer() throws Exception {
        int beforeLogSize = logViewer.getAllRemoteSystemLogs().length;

        try {
            String message = "{\"name\":\"device1\"}";
            sender.sendMessage(message, "application/json");
        } catch (IOException e) {
            Assert.fail("Could not connect to RabbitMQ broker");
        }

        RabbitMQTestUtils.waitForLogToGetUpdated();

        LogEvent[] logs = logViewer.getAllRemoteSystemLogs();
        int afterLogSize = logs.length;
        int count = 0;

        for (int i = (afterLogSize - beforeLogSize - 1); i >= 0; i--) {
            String message = logs[i].getMessage();
            if (message.contains("received = true")) {
                count++;
                System.out.println("message = " + message);
            }
        }

        Assert.assertEquals(count, 1, "All messages are not received from queue");
    }

    @AfterClass(alwaysRun = true)
    public void end() throws Exception {
        super.cleanup();
        sender.disconnect();
        sender = null;
        logViewer = null;
    }
}
