package net.minecraft.advancements.critereon;

import java.util.List;
import java.util.Optional;
import net.minecraft.core.HolderGetter;
import net.minecraft.util.ProblemReporter;
import net.minecraft.util.context.ContextKeySet;
import net.minecraft.world.level.storage.loot.ValidationContext;
import net.minecraft.world.level.storage.loot.parameters.LootContextParamSets;

public class CriterionValidator {
	private final ProblemReporter reporter;
	private final HolderGetter.Provider lootData;

	public CriterionValidator(ProblemReporter reporter, HolderGetter.Provider lootData) {
		this.reporter = reporter;
		this.lootData = lootData;
	}

	public void validateEntity(Optional<ContextAwarePredicate> entity, String name) {
		entity.ifPresent(contextAwarePredicate -> this.validateEntity(contextAwarePredicate, name));
	}

	public void validateEntities(List<ContextAwarePredicate> entities, String name) {
		this.validate(entities, LootContextParamSets.ADVANCEMENT_ENTITY, name);
	}

	public void validateEntity(ContextAwarePredicate entity, String name) {
		this.validate(entity, LootContextParamSets.ADVANCEMENT_ENTITY, name);
	}

	public void validate(ContextAwarePredicate entity, ContextKeySet contextKeySet, String name) {
		entity.validate(new ValidationContext(this.reporter.forChild(name), contextKeySet, this.lootData));
	}

	public void validate(List<ContextAwarePredicate> entities, ContextKeySet contextKeySet, String name) {
		for (int i = 0; i < entities.size(); i++) {
			ContextAwarePredicate contextAwarePredicate = (ContextAwarePredicate)entities.get(i);
			contextAwarePredicate.validate(new ValidationContext(this.reporter.forChild(name + "[" + i + "]"), contextKeySet, this.lootData));
		}
	}
}