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

import java.util.List;
import java.util.Optional;
import java.util.Set;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.EntityTypes;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.ai.memory.MemoryModuleType;

public class GolemSensor extends Sensor<LivingEntity> {
	private static final int GOLEM_SCAN_RATE = 200;
	private static final int MEMORY_TIME_TO_LIVE = 599;

	public GolemSensor() {
		this(200);
	}

	public GolemSensor(final int scanRate) {
		super(scanRate);
	}

	@Override
	protected void doTick(final ServerLevel level, final LivingEntity body) {
		checkForNearbyGolem(body);
	}

	@Override
	public Set<MemoryModuleType<?>> requires() {
		return Set.of(MemoryModuleType.NEAREST_LIVING_ENTITIES, MemoryModuleType.GOLEM_DETECTED_RECENTLY);
	}

	public static void checkForNearbyGolem(final LivingEntity body) {
		Optional<List<LivingEntity>> livingEntitiesMemory = body.getBrain().getMemory(MemoryModuleType.NEAREST_LIVING_ENTITIES);
		if (!livingEntitiesMemory.isEmpty()) {
			boolean golemPresent = ((List)livingEntitiesMemory.get()).stream().anyMatch(entity -> entity.is(EntityTypes.IRON_GOLEM));
			if (golemPresent) {
				golemDetected(body);
			}
		}
	}

	public static void golemDetected(final LivingEntity body) {
		body.getBrain().setMemoryWithExpiry(MemoryModuleType.GOLEM_DETECTED_RECENTLY, true, 599L);
	}
}