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/*
 * Copyright 2013 Hanson Robokind LLC.
 *
 * 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.
 */

package org.robokind.client.basic;

import java.net.URISyntaxException;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Session;
import org.jflux.api.core.util.EmptyAdapter;
import org.jflux.api.messaging.rk.MessageAsyncReceiver;
import org.jflux.api.messaging.rk.MessageSender;
import org.robokind.api.sensor.CompassConfigEvent;
import org.robokind.api.sensor.DeviceReadPeriodEvent;
import org.robokind.api.sensor.FilteredVector3Event;
import org.robokind.api.sensor.imu.RemoteCompassServiceClient;
import org.robokind.impl.sensor.CompassConfigRecord;
import org.robokind.impl.sensor.DeviceReadPeriodRecord;
import org.robokind.impl.sensor.FilteredVector3Record;
import org.robokind.impl.sensor.HeaderRecord;
import org.robokind.client.basic.ConnectionContext.RkServiceConnector;

/**
 *
 * @author Jason G. Pallack 
 */
final class RkCompassConnector extends RkServiceConnector{
    final static String COMPASS_VALUE_RECEIVER = "compassValueReceiver";
    final static String COMPASS_CONFIG_SENDER = "compassConfigSender";
    final static String COMPASS_READ_PERIOD_SENDER = "compassReadPeriodSender";
    
    private static RkCompassConnector theRkCompassConnector;
    
    private String theCompassInputDest = "compassEvent";
    private String theCompassConfigDest = "compassConfig";
    private String theCompassReadDest = "compassRead";
    
    static synchronized RkCompassConnector getConnector(){
        if(theRkCompassConnector == null){
            theRkCompassConnector = new RkCompassConnector();
        }
        return theRkCompassConnector;
    }
    
    @Override
    protected synchronized void addConnection(Session session) 
            throws JMSException, URISyntaxException{
        if(myConnectionContext == null || myConnectionsFlag){
            return;
        }
        Destination compassValReceiver = ConnectionContext.getTopic(theCompassInputDest);
        myConnectionContext.addAsyncReceiver(COMPASS_VALUE_RECEIVER, session, compassValReceiver,
                FilteredVector3Record.class, FilteredVector3Record.SCHEMA$,
                new EmptyAdapter());
        Destination compassCfgSender = ConnectionContext.getTopic(theCompassConfigDest);
        myConnectionContext.addSender(COMPASS_CONFIG_SENDER, session, compassCfgSender, 
                new EmptyAdapter());
        Destination compassPerSender = ConnectionContext.getTopic(theCompassReadDest);
        myConnectionContext.addSender(COMPASS_READ_PERIOD_SENDER, session, compassPerSender, 
                new EmptyAdapter());
        myConnectionsFlag = true;
    }
    
    synchronized RemoteCompassServiceClient buildRemoteClient() {
        if(myConnectionContext == null || !myConnectionsFlag){
            return null;
        }
        MessageAsyncReceiver compassValReceiver = 
                myConnectionContext.getAsyncReceiver(COMPASS_VALUE_RECEIVER);
        MessageSender> compassCfgSender = 
                myConnectionContext.getSender(COMPASS_CONFIG_SENDER);
        MessageSender> compassPerSender = 
                myConnectionContext.getSender(COMPASS_READ_PERIOD_SENDER);
        
        RemoteCompassServiceClient client =
                new RemoteCompassServiceClient(
                compassCfgSender, compassPerSender, compassValReceiver);
        return client;
    }
}