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.server.level.ServerPlayer;
import net.minecraft.world.item.ItemStack;

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

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

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

		public static Criterion<FilledBucketTrigger.TriggerInstance> filledBucket(ItemPredicate.Builder item) {
			return CriteriaTriggers.FILLED_BUCKET.createCriterion(new FilledBucketTrigger.TriggerInstance(Optional.empty(), Optional.of(item.build())));
		}

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