package net.minecraft.world.entity.ai.sensing;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import java.util.List;
import java.util.Set;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.ai.memory.MemoryModuleType;
import net.minecraft.world.entity.ai.memory.NearestVisibleLivingEntities;

public class VillagerBabiesSensor extends Sensor<LivingEntity> {
    @Override
    public Set<MemoryModuleType<?>> requires() {
        return ImmutableSet.of(MemoryModuleType.VISIBLE_VILLAGER_BABIES);
    }

    @Override
    protected void doTick(ServerLevel p_26834_, LivingEntity p_26835_) {
        p_26835_.getBrain().setMemory(MemoryModuleType.VISIBLE_VILLAGER_BABIES, this.getNearestVillagerBabies(p_26835_));
    }

    private List<LivingEntity> getNearestVillagerBabies(LivingEntity p_26837_) {
        return ImmutableList.copyOf(this.getVisibleEntities(p_26837_).findAll(this::isVillagerBaby));
    }

    private boolean isVillagerBaby(LivingEntity p_26839_) {
        return p_26839_.getType() == EntityType.VILLAGER && p_26839_.isBaby();
    }

    private NearestVisibleLivingEntities getVisibleEntities(LivingEntity p_186204_) {
        return p_186204_.getBrain().getMemory(MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES).orElse(NearestVisibleLivingEntities.empty());
    }
}