/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  org.onap.dmaap
 *  ================================================================================
 *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 *  ================================================================================
 *  Modifications Copyright © 2021 Orange.
 *  ================================================================================
 *  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.
 *  ============LICENSE_END=========================================================
 *
 *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
 *
 *******************************************************************************/

package org.onap.dmaap.mr.test.clients;

import org.json.JSONObject;
import org.onap.dmaap.mr.client.MRBatchingPublisher;
import org.onap.dmaap.mr.client.MRClientFactory;
import org.onap.dmaap.mr.client.MRPublisher.Message;

import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.TimeUnit;

/**
 * An example of how to use the Java publisher.
 *
 * @author author
 */
public class SimpleExamplePublisher {
    static FileWriter routeWriter = null;
    static Properties props = null;
    static FileReader routeReader = null;

    public void publishMessage(String producerFilePath) throws IOException, InterruptedException, Exception {

        // create our publisher
        final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher(producerFilePath);
        // publish some messages
        final JSONObject msg1 = new JSONObject();
        msg1.put("Name", "Sprint");

        pub.send("First cambria messge");
        pub.send("MyPartitionKey", msg1.toString());

        final JSONObject msg2 = new JSONObject();


        // ...

        // close the publisher to make sure everything's sent before exiting. The batching
        // publisher interface allows the app to get the set of unsent messages. It could
        // write them to disk, for example, to try to send them later.
        final List<Message> stuck = pub.close(20, TimeUnit.SECONDS);
        if (stuck.isEmpty()) {
            System.err.println(stuck.size() + " messages unsent");
        } else {
            System.out.println("Clean exit; all messages sent.");
        }
    }

    public static void main(String[] args) throws InterruptedException, Exception {

        String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";

        SimpleExamplePublisher publisher = new SimpleExamplePublisher();


        File fo = new File(routeFilePath);
        if (!fo.exists()) {
            routeWriter = new FileWriter(new File(routeFilePath));
        }
        routeReader = new FileReader(new File(routeFilePath));
        props = new Properties();
        publisher.publishMessage("/src/main/resources/dme2/producer.properties");
    }

}