package net.minecraft.advancements.critereon;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.critereon.SimpleCriterionTrigger.SimpleInstance;
import net.minecraft.core.HolderGetter;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.ItemLike;

public class UsedTotemTrigger extends SimpleCriterionTrigger<UsedTotemTrigger.TriggerInstance> {
	@Override
	public Codec<UsedTotemTrigger.TriggerInstance> codec() {
		return UsedTotemTrigger.TriggerInstance.CODEC;
	}

	public void trigger(ServerPlayer player, ItemStack item) {
		this.trigger(player, triggerInstance -> triggerInstance.matches(item));
	}

	public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ItemPredicate> item) implements SimpleInstance {
		public static final Codec<UsedTotemTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
			instance -> instance.group(
					EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(UsedTotemTrigger.TriggerInstance::player),
					ItemPredicate.CODEC.optionalFieldOf("item").forGetter(UsedTotemTrigger.TriggerInstance::item)
				)
				.apply(instance, UsedTotemTrigger.TriggerInstance::new)
		);

		public static Criterion<UsedTotemTrigger.TriggerInstance> usedTotem(ItemPredicate item) {
			return CriteriaTriggers.USED_TOTEM.createCriterion(new UsedTotemTrigger.TriggerInstance(Optional.empty(), Optional.of(item)));
		}

		public static Criterion<UsedTotemTrigger.TriggerInstance> usedTotem(HolderGetter<Item> itemRegistry, ItemLike item) {
			return CriteriaTriggers.USED_TOTEM
				.createCriterion(new UsedTotemTrigger.TriggerInstance(Optional.empty(), Optional.of(ItemPredicate.Builder.item().of(itemRegistry, item).build())));
		}

		public boolean matches(ItemStack item) {
			return this.item.isEmpty() || ((ItemPredicate)this.item.get()).test(item);
		}
	}
}