/*
 * 	BSD 3-Clause License
 *
 * Copyright (c) 2019, NTT Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 *  Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 *  Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import { config, logger, input, pubSub } from "./env";
import Consumer from "./consumer";
import ConnectorFactory from "./connectorFactory";
import cluster from "cluster";


function master(worker) {

    const connectorFactory = new ConnectorFactory();

    connectorFactory.loadConnectors();
    return connectorFactory.connectConnectors()
        .then(() => {

            for (const connector of connectorFactory.getConnectors()) {

                if (worker){
                    connector.onMessage((message) => {
                        worker.send(connector.name + "-" + message);
                    });
                } else {
                    connector.onMessage((message) => {
                        pubSub.publish("data", connector.name + "-" + message);
                    });
                }

                connector.onError(error => {
                    logger.log({
                        level: 'error',
                        message: error
                    });
                });
                connector.onConnect(error => {
                    logger.log({
                        level: 'info',
                        message: error
                    });
                });
            }
        })
        .then(() => connectorFactory.subscribeConnectors(input))
        .catch(error => {
            logger.log({
                level: 'error',
                message: error
            });
        });
}

module.exports = pubSub;

console.log("RUNNING ENVIRONMENT:", config.environment);
if (config.environment === "test") {

    master();
    new Consumer();

} else {
    if (cluster.isMaster) {
        master(cluster.fork());
    } else {
        new Consumer();
    }
}