import lombok.SneakyThrows;
import net.minecraft.server.v1_16_R3.*;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.Server;
import org.bukkit.craftbukkit.v1_16_R3.entity.CraftPlayer;
import org.bukkit.entity.Player;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class UpdateTittleContainers {


    @SneakyThrows
    public static void update(Player p, String title, Material container, int inventorySize) {
        Containers<?> inventoryType = null;
        EntityPlayer ep = ((CraftPlayer) p).getHandle();
        IChatBaseComponent icbc = IChatBaseComponent.ChatSerializer.b("'" + title + "'");

        if (container == Material.HOPPER)
            inventoryType = Containers.HOPPER;
        if (container == Material.CHEST)
            inventoryType = inventorySize == 9 ? Containers.GENERIC_9X1 : inventorySize == 9 * 2 ?
                    Containers.GENERIC_9X2 : inventorySize == 9 * 3 ? Containers.GENERIC_9X3 : inventorySize == 9 * 4 ?
                    Containers.GENERIC_9X4 : inventorySize == 9 * 5 ? Containers.GENERIC_9X5 : null;

        if (inventoryType != null) {
            PacketPlayOutOpenWindow packet = new PacketPlayOutOpenWindow(ep.activeContainer.windowId, inventoryType, icbc);
            ep.playerConnection.sendPacket((Packet<?>) packet);
            ep.updateInventory(ep.activeContainer);
        }
        versionCheck(Bukkit.getServer(), p);
    }

    public static void versionCheck(Server server, Player p) {
        String version = server.getVersion();
        int start = version.indexOf("MC: ") + 4;
        int end = version.length() - 1;
        System.out.println(version.substring(start, end));
        System.out.println(Bukkit.getServer().getClass().getPackageName().split("\\.")[3]);
        String title = "Testar";
        try {
            EntityPlayer ep = ((CraftPlayer) p).getHandle();
            IChatBaseComponent icbc = IChatBaseComponent.ChatSerializer.b("'" + title + "'");

            Class<?> exemple = Class.forName("net.minecraft.server.v1_16_R3.Containers");
            Class<?> exemplee = Class.forName("net.minecraft.server.v1_16_R3.Container");
            Class<?> tests155 = Class.forName("net.minecraft.server.v1_16_R3.EntityPlayer");
            Class<?> testshuman = Class.forName("net.minecraft.server.v1_16_R3.EntityHuman");


            int windowId = exemplee.getDeclaredField("windowId").getInt("windowId");

            Class<?> tests1 = Class.forName("net.minecraft.server.v1_16_R3.IChatBaseComponent");

            Class<?> chatCompenent = Class.forName("net.minecraft.server.v1_16_R3.IChatBaseComponent$ChatSerializer");
            Method declaredMethodChat = chatCompenent.getDeclaredMethod("b", String.class);
            Object inventoryTittle = declaredMethodChat.invoke(null, "'" + title + "'");


            Object inventoryType = exemple.getDeclaredField("HOPPER").get("HOPPER");

            Class<?> tests = Class.forName("net.minecraft.server.v1_16_R3.PacketPlayOutOpenWindow");
            Constructor<?> tesst = tests.getDeclaredConstructor(int.class, exemple, tests1);
            Object methods = tesst.newInstance(ep.activeContainer.windowId, inventoryType, inventoryTittle);

            System.out.println("windows    ");
            PacketPlayOutOpenWindow packet = new PacketPlayOutOpenWindow(ep.activeContainer.windowId, (Containers<?>) inventoryType, icbc);
            ep.playerConnection.sendPacket((Packet<?>) methods);
            ep.updateInventory(ep.activeContainer);
            System.out.println(inventoryType);
            //System.out.println(Arrays.toString(new String[]{exemple.getDeclaredField("GENERIC_9X1").toString()}));

        } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException | NoSuchMethodException | InstantiationException | InvocationTargetException e) {
            e.printStackTrace();
        }
    }
}