import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.plugin.java.JavaPlugin;

import io.netty.channel.Channel;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import net.minecraft.server.v1_8_R3.PacketPlayOutTabComplete;

public class Main extends JavaPlugin implements Listener {

	@Override
	public void onEnable() {

		Bukkit.getServer().getPluginManager().registerEvents(this, this);

	}

	@EventHandler
	public void onJoin(PlayerJoinEvent e) {

		injectPlayer(e.getPlayer());

	}

	@EventHandler
	public void onQuit(PlayerQuitEvent e) {
		removePlayer(e.getPlayer());
	}

	private void removePlayer(Player player) {
		Channel channel = ((CraftPlayer) player).getHandle().playerConnection.networkManager.channel;
		channel.eventLoop().submit(() -> {

			channel.pipeline().remove(player.getName());

		});
	}

	private void injectPlayer(Player player) {

		ChannelDuplexHandler handler = new ChannelDuplexHandler() {

			@Override
			public void channelRead(ChannelHandlerContext context, Object packet) throws Exception {

				super.channelRead(context, packet);

				if (packet instanceof PacketPlayOutTabComplete) {

					return;

				}

			}

			@Override
			public void write(ChannelHandlerContext context, Object packet, ChannelPromise promise) throws Exception {

				super.write(context, packet, promise);
			}

		};

		ChannelPipeline pipeline = ((CraftPlayer) player).getHandle().playerConnection.networkManager.channel
				.pipeline();
		pipeline.addBefore("packet_handler", player.getName(), handler);
	}

}