/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.blocks;

import com.sk89q.jnbt.CompoundTag;
import com.sk89q.jnbt.StringTag;
import com.sk89q.jnbt.Tag;
import com.sk89q.worldedit.world.NbtValued;

/**
 * Indicates a block that contains extra data identified as an NBT structure.
 * Compared to a {@link NbtValued}, tile entity blocks also contain an ID.
 *
 * @see NbtValued
 */
public interface TileEntityBlock extends NbtValued {

    /**
     * Return the name of the title entity ID.
     *
     * @return tile entity ID, non-null string
     */
    //FAWE start - Handle method here
    default String getNbtId() {
        CompoundTag nbtData = getNbtData();
        if (nbtData == null) {
            return "";
        }
        Tag idTag = nbtData.getValue().get("id");
        if (idTag instanceof StringTag) {
            return ((StringTag) idTag).getValue();
        } else {
            return "";
        }
        //FAWE end
    }

}
