package me.nock.test.Utils.KillauraDetection;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer;
import org.bukkit.craftbukkit.v1_8_R3.util.CraftChatMessage;
import org.bukkit.entity.Player;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.properties.Property;

import me.nock.test.Main;
import net.minecraft.server.v1_8_R3.BlockPosition;
import net.minecraft.server.v1_8_R3.DataWatcher;
import net.minecraft.server.v1_8_R3.ItemStack;
import net.minecraft.server.v1_8_R3.MathHelper;
import net.minecraft.server.v1_8_R3.Packet;
import net.minecraft.server.v1_8_R3.PacketPlayOutAnimation;
import net.minecraft.server.v1_8_R3.PacketPlayOutBed;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntity.PacketPlayOutEntityLook;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntityDestroy;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntityEquipment;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntityHeadRotation;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntityStatus;
import net.minecraft.server.v1_8_R3.PacketPlayOutEntityTeleport;
import net.minecraft.server.v1_8_R3.PacketPlayOutNamedEntitySpawn;
import net.minecraft.server.v1_8_R3.PacketPlayOutPlayerInfo;
import net.minecraft.server.v1_8_R3.WorldSettings.EnumGamemode;

@SuppressWarnings("all")
public class NPC {

    private ArrayList<Player> players = new ArrayList<>();
    private int entityID;
    private Location location;
    public GameProfile gameprofile;

    public NPC(Player p, String name, Location location) {
        this.players.add(p);
        entityID = (int) Math.ceil(Math.random() * 1000) + 2000;
        gameprofile = new GameProfile(UUID.randomUUID(), name);
        changeSkin(gameprofile);
        this.location = location.clone();
    }

    public NPC(String name, Location location) {
        entityID = (int) Math.ceil(Math.random() * 1000) + 2000;
        gameprofile = new GameProfile(UUID.randomUUID(), name);
        changeSkin(gameprofile);
        this.location = location.clone();
        for (Player ps : Bukkit.getOnlinePlayers()) {
            players.add(ps);
        }
    }

    public void changeSkin(GameProfile profile) {
        String signature = "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";
        String texture = "eyJ0aW1lc3RhbXAiOjE1MDA4NDI4NzUyNjIsInByb2ZpbGVJZCI6IjYwN2Y1Yzc2MGQ0YzQ1MzZiNTA4N2NlMTM1NjM4NWM3IiwicHJvZmlsZU5hbWUiOiJDaG9jb2xhdGUiLCJzaWduYXR1cmVSZXF1aXJlZCI6dHJ1ZSwidGV4dHVyZXMiOnsiU0tJTiI6eyJtZXRhZGF0YSI6eyJtb2RlbCI6InNsaW0ifSwidXJsIjoiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS9hY2RjYWZjYjk3MzlkMmJhYjQyNDFjZGRkZjE0YWQyYzZjMjRjNDFmOTg2Y2NiNzQ1ZjdiYzhlZjkyODgyOGExIn19fQ==";
        profile.getProperties().put("textures", new Property("textures", texture, signature));
    }

    public void animation(int animation) {
        PacketPlayOutAnimation packet = new PacketPlayOutAnimation();
        setValue(packet, "a", entityID);
        setValue(packet, "b", (byte) animation);
        for (Player ps : players) {
            sendPacket(packet, ps);
        }
    }

    public void status(int status) {
        PacketPlayOutEntityStatus packet = new PacketPlayOutEntityStatus();
        setValue(packet, "a", entityID);
        setValue(packet, "b", (byte) status);
        sendPacket(packet);
    }

    public void equip(int slot, ItemStack itemstack) {
        PacketPlayOutEntityEquipment packet = new PacketPlayOutEntityEquipment();
        setValue(packet, "a", entityID);
        setValue(packet, "b", slot);
        setValue(packet, "c", itemstack);
        sendPacket(packet);
    }

    public void sleep(boolean state) {
        if (state) {
            Location bedLocation = new Location(location.getWorld(), 1, 1, 1);
            PacketPlayOutBed packet = new PacketPlayOutBed();
            setValue(packet, "a", entityID);
            setValue(packet, "b", new BlockPosition(bedLocation.getX(), bedLocation.getY(), bedLocation.getZ()));

            for (Player pl : Bukkit.getOnlinePlayers()) {
                pl.sendBlockChange(bedLocation, Material.BED_BLOCK, (byte) 0);
            }

            for (Player ps : players) {
                sendPacket(packet, ps);
            }
            teleport(location.clone().add(0, 0.3, 0));
        } else {
            animation(2);
            teleport(location.clone().subtract(0, 0.3, 0));
        }
    }

    public void spawn() {
        PacketPlayOutNamedEntitySpawn packet = new PacketPlayOutNamedEntitySpawn();
        setValue(packet, "a", entityID);
        setValue(packet, "b", gameprofile.getId());
        setValue(packet, "c", getFixLocation(location.getX()));
        setValue(packet, "d", getFixLocation(location.getY()));
        setValue(packet, "e", getFixLocation(location.getZ()));
        setValue(packet, "f", getFixRotation(location.getYaw()));
        setValue(packet, "g", getFixRotation(location.getPitch()));
        setValue(packet, "h", 0);
        DataWatcher w = new DataWatcher(null);
        w.a(6, (float) 20);
        w.a(10, (byte) 127);
        setValue(packet, "i", w);
        addToTablist();
        for (Player ps : players) {
            sendPacket(packet, ps);
        }
        headRotation(location.getYaw(), location.getPitch());
    }

    public void teleport(Location location) {
        PacketPlayOutEntityTeleport packet = new PacketPlayOutEntityTeleport();
        setValue(packet, "a", entityID);
        setValue(packet, "b", getFixLocation(location.getX()));
        setValue(packet, "c", getFixLocation(location.getY()));
        setValue(packet, "d", getFixLocation(location.getZ()));
        setValue(packet, "e", getFixRotation(location.getYaw()));
        setValue(packet, "f", getFixRotation(location.getPitch()));

        for (Player ps : players) {
            sendPacket(packet, ps);
        }
        headRotation(location.getYaw(), location.getPitch());
        this.location = location.clone();
    }

    public void headRotation(float yaw, float pitch) {
        PacketPlayOutEntityLook packet = new PacketPlayOutEntityLook(entityID, getFixRotation(yaw),
                getFixRotation(pitch), true);
        PacketPlayOutEntityHeadRotation packetHead = new PacketPlayOutEntityHeadRotation();
        setValue(packetHead, "a", entityID);
        setValue(packetHead, "b", getFixRotation(yaw));

        sendPacket(packet);
        sendPacket(packetHead);
    }

    public void destroy() {
        PacketPlayOutEntityDestroy packet = new PacketPlayOutEntityDestroy(new int[] { entityID });
        rmvFromTablist();
        for (Player ps : players) {
            sendPacket(packet, ps);
        }
    }

    public void addToTablist() {
        PacketPlayOutPlayerInfo packet = new PacketPlayOutPlayerInfo();
        PacketPlayOutPlayerInfo.PlayerInfoData data = packet.new PlayerInfoData(gameprofile, 1, EnumGamemode.NOT_SET,
                CraftChatMessage.fromString(gameprofile.getName())[0]);
        @SuppressWarnings("unchecked")
        List<PacketPlayOutPlayerInfo.PlayerInfoData> players = (List<PacketPlayOutPlayerInfo.PlayerInfoData>) getValue(
                packet, "b");
        players.add(data);

        setValue(packet, "a", PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER);
        setValue(packet, "b", players);

        for (Player ps : this.players) {
            sendPacket(packet, ps);
        }
    }

    public void rmvFromTablist() {
        PacketPlayOutPlayerInfo packet = new PacketPlayOutPlayerInfo();
        PacketPlayOutPlayerInfo.PlayerInfoData data = packet.new PlayerInfoData(gameprofile, 1, EnumGamemode.NOT_SET,
                CraftChatMessage.fromString(gameprofile.getName())[0]);
        @SuppressWarnings("unchecked")
        List<PacketPlayOutPlayerInfo.PlayerInfoData> players = (List<PacketPlayOutPlayerInfo.PlayerInfoData>) getValue(
                packet, "b");
        players.add(data);

        setValue(packet, "a", PacketPlayOutPlayerInfo.EnumPlayerInfoAction.REMOVE_PLAYER);
        setValue(packet, "b", players);

        Bukkit.getScheduler().runTaskLater(Main.main, new Runnable() {

            @Override
            public void run() {
                sendPacket(packet);

            }
        }, 5);

    }

    public int getFixLocation(double pos) {
        return (int) MathHelper.floor(pos * 32.0D);
    }

    public int getEntityID() {
        return entityID;
    }

    public byte getFixRotation(float yawpitch) {
        return (byte) ((int) (yawpitch * 256.0F / 360.0F));
    }

    public void setValue(Object obj, String name, Object value) {
        try {
            Field field = obj.getClass().getDeclaredField(name);
            field.setAccessible(true);
            field.set(obj, value);
        } catch (Exception e) {
        }
    }

    public Object getValue(Object obj, String name) {
        try {
            Field field = obj.getClass().getDeclaredField(name);
            field.setAccessible(true);
            return field.get(obj);
        } catch (Exception e) {
        }
        return null;
    }

    public void sendPacket(Packet<?> packet, Player player) {
        ((CraftPlayer) player).getHandle().playerConnection.sendPacket(packet);
    }

    public void sendPacket(Packet<?> packet) {
        for (Player player : Bukkit.getOnlinePlayers()) {
            sendPacket(packet, player);
        }
    }

}