/*
 * Copyright (c) 2019-2023 Team Galacticraft
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package dev.galacticraft.mod.events;

import net.fabricmc.fabric.api.event.Event;
import net.fabricmc.fabric.api.event.EventFactory;
import net.minecraft.world.item.ItemStack;

public final class GiveCommandEvents {
    private GiveCommandEvents() {
    }

    /**
     * An event that is called when using {@code /give} to get items.
     *
     * <p>Used for modify {@link ItemStack} before spawn an {@link ItemStack} to the executor.<p>
     */
    public static final Event<Modify> MODIFY = EventFactory.createArrayBacked(Modify.class, callbacks -> previousItemStack -> {
        for (var callback : callbacks) {
            return callback.modify(previousItemStack);
        }
        return previousItemStack;
    });

    @FunctionalInterface
    public interface Modify {
        /**
         * Modifies current {@link ItemStack} on give command.
         *
         * @param previousItemStack a default value of {@link ItemStack}.
         * @return Modified {@code ItemStack} or default value.
         */
        ItemStack modify(ItemStack previousItemStack);
    }
}