CraterLib/Paper/src/main/java/com/hypherionmc/craterlib/common/PaperCompatHelper.java

package com.hypherionmc.craterlib.common;

import com.hypherionmc.craterlib.core.platform.CompatUtils;
import com.hypherionmc.craterlib.core.platform.ModloaderEnvironment;
import com.hypherionmc.craterlib.nojang.world.entity.player.BridgedPlayer;
import com.hypherionmc.craterlib.utils.ChatUtils;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.metadata.MetadataValue;
import org.bukkit.plugin.Plugin;

import java.lang.reflect.Method;

public class PaperCompatHelper implements CompatUtils {

    @Override
    public boolean isPlayerActive(BridgedPlayer player) {
        // Essentials Vanish
        if (ModloaderEnvironment.INSTANCE.isModLoaded("Essentials")) {
            return !isEssentialsVanished(player);
        }

        // PhantomAdmin Vanish
        if (ModloaderEnvironment.INSTANCE.isModLoaded("PhantomAdmin"))
            return !isPhantomVanished(player);

        // Other vanish mods
        try {
            Player p = (Player) player.toMojangServerPlayer();
            for (MetadataValue meta : p.getMetadata("vanished")) {
                if (meta.asBoolean()) return true;
            }
        } catch (Exception ignored) {}

        return true;
    }

    @Override
    public String getSkinUUID(BridgedPlayer player) {
        return player.getStringUUID();
    }

    private boolean isEssentialsVanished(BridgedPlayer player) {
        try {
            Plugin p = Bukkit.getPluginManager().getPlugin("Essentials");
            if (p == null)
                return false;

            Method getUser = p.getClass().getMethod("getUser", String.class);
            Object essentialsPlayer = getUser.invoke(p, ChatUtils.resolve(player.getName(), false));

            if (essentialsPlayer != null) {
                Method isVanished = essentialsPlayer.getClass().getMethod("isVanished");
                return (boolean) isVanished.invoke(essentialsPlayer);
            }
        } catch (Exception ignored) {}

        return false;
    }

    private boolean isPhantomVanished(BridgedPlayer player) {
        try {
            Plugin p = Bukkit.getPluginManager().getPlugin("PhantomAdmin");
            if (p == null)
                return false;

            Method isInvisible = p.getClass().getDeclaredMethod("isInvisible", Player.class);
            isInvisible.setAccessible(true);

            return (boolean) isInvisible.invoke(p, (Player) player.toMojangServerPlayer());
        } catch (Exception ignored) {
            ignored.printStackTrace();
        }

        return false;
    }

    @Override
    public boolean isPlayerBleeding(BridgedPlayer player) {
        return false;
    }

    @Override
    public boolean playerBledOut(BridgedPlayer player) {
        return false;
    }

    @Override
    public boolean playerRevived(BridgedPlayer player) {
        return false;
    }

    @Override
    public boolean isPrivateMessage(BridgedPlayer player) {
        return false;
    }

    @Override
    public Component getChannelPrefix(BridgedPlayer player) {
        return Component.empty();
    }
}