import org.bukkit.Bukkit;
import org.bukkit.entity.Player;

import java.lang.reflect.Field;

/**
 * Created by Jakeeeee
 * https://bukkit.org/members/jakeeeee.91110457/
 */
public class Reflection {


    private static Object getPlayerConnection(Player player) {
        try {
            Object handle = player.getClass().getMethod("getHandle").invoke(player);
            return handle.getClass().getField("playerConnection").get(handle);
        } catch (Exception e) {

        }
        return null;
    }

    public static void setField(Object packet, Object value, String field) {
        try {

            Field f = packet.getClass().getDeclaredField(field);
            f.setAccessible(true);
            f.set(packet, value);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void sendPacket(Player player, Object packet) {
        try {
            Object playerConnection = getPlayerConnection(player);
            playerConnection.getClass().getMethod("sendPacket", getNMSClass("Packet")).invoke(playerConnection,
                    packet);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return;

    }

    public static Class getNMSClass(String name) {

        String version = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
        try {
            return Class.forName("net.minecraft.server." + version + "." + name);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Class getCraftbukkitClass(String name) {

        String version = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
        try {
            return Class.forName("org.bukkit.craftbukkit." + version + "." + name);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }


}