package net.minecraft.advancements;

import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import net.minecraft.util.ExtraCodecs;

public record Criterion<T extends CriterionTriggerInstance>(CriterionTrigger<T> trigger, T triggerInstance) {
	private static final MapCodec<Criterion<?>> MAP_CODEC = ExtraCodecs.dispatchOptionalValue(
		"trigger", "conditions", CriteriaTriggers.CODEC, Criterion::trigger, Criterion::criterionCodec
	);
	public static final Codec<Criterion<?>> CODEC = MAP_CODEC.codec();

	private static <T extends CriterionTriggerInstance> Codec<Criterion<T>> criterionCodec(CriterionTrigger<T> trigger) {
		return trigger.codec().xmap(criterionTriggerInstance -> new Criterion<>(trigger, (T)criterionTriggerInstance), Criterion::triggerInstance);
	}
}