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package eventstore.j.examples;

import akka.actor.*;
import akka.actor.Status.Failure;
import akka.event.*;
import eventstore.*;
import eventstore.j.*;
import eventstore.tcp.ConnectionActor;

import java.net.InetSocketAddress;


public class ReadEventExample {

    public static void main(String[] args) {
        final ActorSystem system = ActorSystem.create();
        final Settings settings = new SettingsBuilder()
                .address(new InetSocketAddress("127.0.0.1", 1113))
                .defaultCredentials("admin", "changeit")
                .build();
        final ActorRef connection = system.actorOf(ConnectionActor.getProps(settings));
        final ActorRef readResult = system.actorOf(Props.create(ReadResult.class));

        final ReadEvent readEvent = new ReadEventBuilder("my-stream")
                .first()
                .resolveLinkTos(false)
                .requireMaster(true)
                .build();

        connection.tell(readEvent, readResult);
    }


    public static class ReadResult extends UntypedActor {
        final LoggingAdapter log = Logging.getLogger(getContext().system(), this);

        public void onReceive(Object message) throws Exception {
            if (message instanceof ReadEventCompleted) {
                final ReadEventCompleted completed = (ReadEventCompleted) message;
                final Event event = completed.event();
                log.info("event: {}", event);
            } else if (message instanceof Failure) {
                final Failure failure = ((Failure) message);
                final EsException exception = (EsException) failure.cause();
                log.error(exception, exception.toString());
            } else
                unhandled(message);

            context().system().terminate();
        }
    }
}