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.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.storage.loot.LootContext;

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

	public void trigger(ServerPlayer player, Entity entity, DamageSource source, float amountDealt, float amountTaken, boolean blocked) {
		LootContext lootContext = EntityPredicate.createContext(player, entity);
		this.trigger(player, triggerInstance -> triggerInstance.matches(player, lootContext, source, amountDealt, amountTaken, blocked));
	}

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

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntity() {
			return CriteriaTriggers.PLAYER_HURT_ENTITY
				.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), Optional.empty(), Optional.empty()));
		}

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntityWithDamage(Optional<DamagePredicate> damage) {
			return CriteriaTriggers.PLAYER_HURT_ENTITY.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), damage, Optional.empty()));
		}

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntityWithDamage(DamagePredicate.Builder damage) {
			return CriteriaTriggers.PLAYER_HURT_ENTITY
				.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), Optional.of(damage.build()), Optional.empty()));
		}

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntity(Optional<EntityPredicate> entity) {
			return CriteriaTriggers.PLAYER_HURT_ENTITY
				.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), Optional.empty(), EntityPredicate.wrap(entity)));
		}

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntity(Optional<DamagePredicate> damage, Optional<EntityPredicate> entity) {
			return CriteriaTriggers.PLAYER_HURT_ENTITY
				.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), damage, EntityPredicate.wrap(entity)));
		}

		public static Criterion<PlayerHurtEntityTrigger.TriggerInstance> playerHurtEntity(DamagePredicate.Builder damage, Optional<EntityPredicate> entity) {
			return CriteriaTriggers.PLAYER_HURT_ENTITY
				.createCriterion(new PlayerHurtEntityTrigger.TriggerInstance(Optional.empty(), Optional.of(damage.build()), EntityPredicate.wrap(entity)));
		}

		public boolean matches(ServerPlayer player, LootContext context, DamageSource damage, float dealt, float taken, boolean blocked) {
			return this.damage.isPresent() && !((DamagePredicate)this.damage.get()).matches(player, damage, dealt, taken, blocked)
				? false
				: !this.entity.isPresent() || ((ContextAwarePredicate)this.entity.get()).matches(context);
		}

		@Override
		public void validate(CriterionValidator validator) {
			SimpleCriterionTrigger.SimpleInstance.super.validate(validator);
			validator.validateEntity(this.entity, ".entity");
		}
	}
}