import ch.psi.pshell.scan.Scan;
import ch.psi.pshell.scan.ScanListener;
import ch.psi.pshell.scan.ScanRecord;
import ch.psi.pshell.ui.Plugin;
import ch.psi.utils.State;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPubSub;

/**
 *
 */
public class Redis implements Plugin {
    
    public static final String KEY_START = "Scan Start";
    public static final String KEY_RECORD = "Record";
    public static final String KEY_END = "Scan End";
    public static final String CHANNEL_START = "Scan Start";
    public static final String CHANNEL_RECORD = "Record";
    public static final String CHANNEL_END = "Scan End";    
    
    Jedis jedis;

    final ScanListener listener = new ScanListener() {
        @Override
        public void onScanStarted(Scan scan, String plotTitle) {
            jedis.publish(CHANNEL_START, scan.getResult().toString());
            jedis.set(KEY_START, scan.getResult().toString());
            jedis.del(KEY_RECORD);
            jedis.del(KEY_END);
        }

        @Override
        public void onNewRecord(Scan scan, ScanRecord record) {
            jedis.publish(CHANNEL_RECORD, record.toString());
            jedis.lpush(KEY_RECORD, record.toString());
        }

        @Override
        public void onScanEnded(Scan scan, Exception ex) {
            jedis.publish(CHANNEL_END,scan.getResult().getPath());
            jedis.set(KEY_END,scan.getResult().getPath());
            
            
        }
    };    
   
    //Overridable callbacks
    @Override
    public void onStart() {        
        jedis = new Jedis();        
        getContext().addScanListener(listener);        
    }

    @Override
    public void onStop() {      
        getContext().removeScanListener(listener);       
        if (jedis!=null){
            jedis.close();
        }
    }

    @Override
    public void onInitialize(int runCount) {

    }

    @Override
    public void onStateChange(State state, State former) {

    }

    @Override
    public void onExecutedFile(String fileName, Object result) {
Jedis jSubscriber = new Jedis();
jSubscriber.subscribe(new JedisPubSub() {
    @Override
    public void onMessage(String channel, String message) {
        // handle message
    }
}, "channel");



    }    
    
}