/*
 *  Copyright (c) 2017 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.si.sample.kafka.consumer;

import io.siddhi.core.SiddhiAppRuntime;
import io.siddhi.core.SiddhiManager;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * Test server for Kafka sink.
 */
public class KafkaReceiver {
    private static final Logger log = LogManager.getLogger(KafkaReceiver.class);

    /**
     * Main method to start the test server.
     *
     * @param args no args need to be provided
     */
    public static void main(String[] args) throws InterruptedException {
        log.info("Initialize Kafka receiver.");
        SiddhiManager siddhiManager = new SiddhiManager();

        String bootstrapServers = args[0];
        String topics = args[1];
        String partitions = args[2];
        String groupId = args[3];
        String threadingOption = args[4];
        String isBinaryMessage = args[5];
        String optionalConfigs = args[6];
        String type = args[7];
        if (!partitions.isEmpty()) {
            partitions = "partition.no.list='" + partitions + "', ";
        }
        if (Boolean.parseBoolean(isBinaryMessage)) {
            type = "binary";
        }
        if (!optionalConfigs.isEmpty()) {
            optionalConfigs = "optional.configuration='" + optionalConfigs + "', ";
        }

        SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(
                "@App:name('KafkaSample') " +
                        "@sink(type='log')" +
                        "define stream logStream(batchNumber long, lowTotal double);\n" +
                        "@source(" +
                        "type='kafka', " +
                        "bootstrap.servers='" + bootstrapServers + "'," +
                        "topic.list='" + topics + "', " +
                        partitions +
                        "group.id='" + groupId + "', " +
                        "threading.option='" + threadingOption + "', " +
                        "is.binary.message='" + isBinaryMessage + "'," +
                        optionalConfigs +
                        "@map(type='" + type + "'))" +
                        "define stream LowProducitonAlertStream(batchNumber long, lowTotal double);\n" +
                        "from LowProducitonAlertStream\n" +
                        "select * \n" +
                        "insert into logStream;");
        siddhiAppRuntime.start();
        Thread.sleep(2000);
        while (true) {
        }
    }
}
