package com.mcbouncer.auth.mcbauthserver;

import com.beust.jcommander.JCommander;
import com.mcbouncer.auth.mcbauthserver.console.ConsoleLogManager;
import com.mcbouncer.auth.mcbauthserver.net.MinecraftPipelineFactory;
import com.mcbouncer.auth.mcbauthserver.net.SessionRegistry;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.Timer;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Logger;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.DefaultChannelGroup;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;

public final class AuthServer {

    public static final Logger log = Logger.getLogger("MCBAuthServer");
    public static CLIArgs settings;
    public static int PROTOCOL_VERSION;
    private final ExecutorService executor = Executors.newCachedThreadPool();
    private final ServerBootstrap bootstrap = new ServerBootstrap();
    private final ChannelGroup group = new DefaultChannelGroup();
    private final SessionRegistry sessions = new SessionRegistry();
    private Timer timer = new Timer();

    public static void main(String[] args) {
        AuthServer server = new AuthServer(args);
    }

    public AuthServer(String[] args) {
        
        ConsoleLogManager.init();
        
        log.info("Starting MCBouncer Authentication Server");
        log.info("Custom Written for MCBouncer by Yetanotherx");
        log.info("Based on code from Glowstone");
        log.info("Enjoy.");
        log.info(" ");
        log.info(" ");

        ChannelFactory factory = new NioServerSocketChannelFactory(executor, executor);
        bootstrap.setFactory(factory);

        ChannelPipelineFactory pipelineFactory = new MinecraftPipelineFactory(this);
        bootstrap.setPipelineFactory(pipelineFactory);

        settings = new CLIArgs();
        JCommander jcommander = new JCommander(settings, args);
        PROTOCOL_VERSION = settings.version;

        timer.scheduleAtFixedRate(new AuthServerTimerTask(this), 0, 50);
        
        bind(new InetSocketAddress(25565));
        
        log.info("Ready for connections.");
        
        Runtime.getRuntime().addShutdownHook(new ServerShutdownThread());
    }
    
    public void bind(SocketAddress address) {
        log.info("Listening to address " + address);
        group.add(bootstrap.bind(address));
    }

    public void stop() {
        log.info("Shutting down the server!");
        
        // Gracefully stop Netty
        group.close();
        bootstrap.getFactory().releaseExternalResources();
        
    }

    public ServerBootstrap getBootstrap() {
        return bootstrap;
    }

    public ExecutorService getExecutor() {
        return executor;
    }

    public ChannelGroup getChannelGroup() {
        return group;
    }

    public SessionRegistry getSessionRegistry() {
        return sessions;
    }

    public Logger getLogger() {
        return AuthServer.log;
    }

}