package net.minecraft.core.component.predicates;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.advancements.critereon.CollectionPredicate;
import net.minecraft.advancements.critereon.ItemPredicate;
import net.minecraft.advancements.critereon.SingleComponentItemPredicate;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.component.ItemContainerContents;

public record ContainerPredicate(Optional<CollectionPredicate<ItemStack, ItemPredicate>> items) implements SingleComponentItemPredicate<ItemContainerContents> {
	public static final Codec<ContainerPredicate> CODEC = RecordCodecBuilder.create(
		instance -> instance.group(CollectionPredicate.codec(ItemPredicate.CODEC).optionalFieldOf("items").forGetter(ContainerPredicate::items))
			.apply(instance, ContainerPredicate::new)
	);

	@Override
	public DataComponentType<ItemContainerContents> componentType() {
		return DataComponents.CONTAINER;
	}

	public boolean matches(ItemContainerContents itemContainerContents) {
		return !this.items.isPresent() || ((CollectionPredicate)this.items.get()).test(itemContainerContents.nonEmptyItems());
	}
}