bazaarflux/src/main/java/me/lethunderhawk/minion/enchantedVariant/item/abstraction/EnchantedItemRegistry.java

package me.lethunderhawk.minion.enchantedVariant.item.abstraction;

import org.bukkit.NamespacedKey;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.persistence.PersistentDataContainer;
import org.bukkit.persistence.PersistentDataType;

import java.util.HashSet;
import java.util.Set;

public final class EnchantedItemRegistry {

    private EnchantedItemRegistry() {}

    // Items that are NOT allowed to be placed
    private static final Set<NamespacedKey> NO_PLACE_ITEMS = new HashSet<>();

    public static void registerNoPlaceItem(NamespacedKey key) {
        NO_PLACE_ITEMS.add(key);
    }

    public static boolean isNoPlaceItem(ItemStack item) {
        if (item == null || !item.hasItemMeta()) return false;

        ItemMeta meta = item.getItemMeta();
        PersistentDataContainer pdc = meta.getPersistentDataContainer();

        for (NamespacedKey key : NO_PLACE_ITEMS) {
            if (pdc.has(key, PersistentDataType.STRING)) {
                return true;
            }
        }
        return false;
    }
}