public class NPCUtils {
    public EntityPlayer createNPC(Location location, String npcName, String texture, String signature) {
        MinecraftServer nmsServer = ((CraftServer) Bukkit.getServer()).getServer();
        WorldServer nmsWorld = ((CraftWorld) location.getWorld()).getHandle();
        GameProfile gameProfile = new GameProfile(UUID.randomUUID(), npcName);
        Property property = new Property("textures", texture, signature);
        gameProfile.getProperties().put("textures", property);
        EntityPlayer npc = new EntityPlayer(nmsServer, nmsWorld, gameProfile);
        npc.setLocation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
        npc.displayName = npcName;
        return npc;
    }

    private PlayerConnection getPlayerConnection(Player player) {
        return ((CraftPlayer) player).getHandle().b;
    }

    private void fixSkinHelmetLayer(EntityPlayer npc, Player player) {
        DataWatcher dataWatcher = npc.getDataWatcher();
        dataWatcher.set(new DataWatcherObject<>(17, DataWatcherRegistry.a), (byte) 127);
        getPlayerConnection(player).sendPacket(new PacketPlayOutEntityMetadata(npc.getId(), dataWatcher, true));
    }

    public void showNPCAsClientSide(EntityPlayer npc, Player player) {

        PlayerConnection playerConnection = getPlayerConnection(player);

        PacketPlayOutPlayerInfo packetPlayOutPlayerInfo = new PacketPlayOutPlayerInfo(
                PacketPlayOutPlayerInfo.EnumPlayerInfoAction.a,
                npc
        );
        PacketPlayOutNamedEntitySpawn packetPlayOutNamedEntitySpawn = new PacketPlayOutNamedEntitySpawn(
                npc
        );

        playerConnection.sendPacket(packetPlayOutPlayerInfo);
        playerConnection.sendPacket(packetPlayOutNamedEntitySpawn);

        CraftScoreboardManager scoreboardManager = ((CraftServer) Bukkit.getServer()).getScoreboardManager();
        CraftScoreboard mainScoreboard = scoreboardManager.getNewScoreboard();
        Scoreboard scoreboard = mainScoreboard.getHandle();
        ScoreboardTeam scoreboardTeam = scoreboard.getPlayerTeam(npc.getName());

        if(scoreboardTeam == null) {
            scoreboardTeam = scoreboard.createTeam("NPC");
            scoreboard.addPlayerToTeam(npc.getName(), scoreboardTeam);
        } else {
            scoreboard.addPlayerToTeam(npc.getName(), scoreboardTeam);
        }

        Bukkit.getServer().getScheduler().runTaskLater(Main.getPlugin(Main.class), () -> {
            PacketPlayOutPlayerInfo removeFromTabPacket = new PacketPlayOutPlayerInfo(
                    PacketPlayOutPlayerInfo.EnumPlayerInfoAction.e,
                    npc
            );
            playerConnection.sendPacket(removeFromTabPacket);
            fixSkinHelmetLayer(npc, player);
        }, 1);
    }
}