package net.minecraft.advancements.triggers;

import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.advancements.predicates.ContextAwarePredicate;
import net.minecraft.advancements.predicates.entity.EntityPredicate;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.entity.monster.zombie.Zombie;
import net.minecraft.world.entity.npc.villager.Villager;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.level.storage.loot.Validatable;
import net.minecraft.world.level.storage.loot.ValidationContextSource;

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

	public void trigger(final ServerPlayer player, final Zombie zombie, final Villager villager) {
		LootContext zombieContext = EntityPredicate.createContext(player, zombie);
		LootContext villagerContext = EntityPredicate.createContext(player, villager);
		this.trigger(player, t -> t.matches(zombieContext, villagerContext));
	}

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

		public static Criterion<CuredZombieVillagerTrigger.TriggerInstance> curedZombieVillager() {
			return CriteriaTriggers.CURED_ZOMBIE_VILLAGER
				.createCriterion(new CuredZombieVillagerTrigger.TriggerInstance(Optional.empty(), Optional.empty(), Optional.empty()));
		}

		public boolean matches(final LootContext zombie, final LootContext villager) {
			return this.zombie.isPresent() && !((ContextAwarePredicate)this.zombie.get()).matches(zombie)
				? false
				: !this.villager.isPresent() || ((ContextAwarePredicate)this.villager.get()).matches(villager);
		}

		@Override
		public void validate(final ValidationContextSource validator) {
			SimpleCriterionTrigger.SimpleInstance.super.validate(validator);
			Validatable.validate(validator.entityContext(), "zombie", this.zombie);
			Validatable.validate(validator.entityContext(), "villager", this.villager);
		}
	}
}