package net.minecraft.world.entity.animal;

import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.Holder;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.registries.Registries;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.tags.ItemTags;
import net.minecraft.world.Difficulty;
import net.minecraft.world.DifficultyInstance;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.AgeableMob;
import net.minecraft.world.entity.ConversionParams;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.ItemBasedSteering;
import net.minecraft.world.entity.ItemSteerable;
import net.minecraft.world.entity.LightningBolt;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Pose;
import net.minecraft.world.entity.SpawnGroupData;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder;
import net.minecraft.world.entity.ai.goal.BreedGoal;
import net.minecraft.world.entity.ai.goal.FloatGoal;
import net.minecraft.world.entity.ai.goal.FollowParentGoal;
import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
import net.minecraft.world.entity.ai.goal.PanicGoal;
import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
import net.minecraft.world.entity.ai.goal.TemptGoal;
import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
import net.minecraft.world.entity.monster.ZombifiedPiglin;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.variant.SpawnContext;
import net.minecraft.world.entity.variant.VariantUtils;
import net.minecraft.world.entity.vehicle.DismountHelper;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.equipment.Equippable;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.ServerLevelAccessor;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;

public class Pig extends Animal implements ItemSteerable {
	private static final EntityDataAccessor<Integer> DATA_BOOST_TIME = SynchedEntityData.defineId(Pig.class, EntityDataSerializers.INT);
	private static final EntityDataAccessor<Holder<PigVariant>> DATA_VARIANT_ID = SynchedEntityData.defineId(Pig.class, EntityDataSerializers.PIG_VARIANT);
	private final ItemBasedSteering steering = new ItemBasedSteering(this.entityData, DATA_BOOST_TIME);

	public Pig(EntityType<? extends Pig> entityType, Level level) {
		super(entityType, level);
	}

	@Override
	protected void registerGoals() {
		this.goalSelector.addGoal(0, new FloatGoal(this));
		this.goalSelector.addGoal(1, new PanicGoal(this, 1.25));
		this.goalSelector.addGoal(3, new BreedGoal(this, 1.0));
		this.goalSelector.addGoal(4, new TemptGoal(this, 1.2, itemStack -> itemStack.is(Items.CARROT_ON_A_STICK), false));
		this.goalSelector.addGoal(4, new TemptGoal(this, 1.2, itemStack -> itemStack.is(ItemTags.PIG_FOOD), false));
		this.goalSelector.addGoal(5, new FollowParentGoal(this, 1.1));
		this.goalSelector.addGoal(6, new WaterAvoidingRandomStrollGoal(this, 1.0));
		this.goalSelector.addGoal(7, new LookAtPlayerGoal(this, Player.class, 6.0F));
		this.goalSelector.addGoal(8, new RandomLookAroundGoal(this));
	}

	public static Builder createAttributes() {
		return Animal.createAnimalAttributes().add(Attributes.MAX_HEALTH, 10.0).add(Attributes.MOVEMENT_SPEED, 0.25);
	}

	@Nullable
	@Override
	public LivingEntity getControllingPassenger() {
		return (LivingEntity)(this.isSaddled() && this.getFirstPassenger() instanceof Player player && player.isHolding(Items.CARROT_ON_A_STICK)
			? player
			: super.getControllingPassenger());
	}

	@Override
	public void onSyncedDataUpdated(EntityDataAccessor<?> dataAccessor) {
		if (DATA_BOOST_TIME.equals(dataAccessor) && this.level().isClientSide) {
			this.steering.onSynced();
		}

		super.onSyncedDataUpdated(dataAccessor);
	}

	@Override
	protected void defineSynchedData(net.minecraft.network.syncher.SynchedEntityData.Builder builder) {
		super.defineSynchedData(builder);
		builder.define(DATA_BOOST_TIME, 0);
		builder.define(DATA_VARIANT_ID, VariantUtils.getDefaultOrAny(this.registryAccess(), PigVariants.DEFAULT));
	}

	@Override
	public void addAdditionalSaveData(CompoundTag tag) {
		super.addAdditionalSaveData(tag);
		VariantUtils.writeVariant(tag, this.getVariant());
	}

	@Override
	public void readAdditionalSaveData(CompoundTag tag) {
		super.readAdditionalSaveData(tag);
		VariantUtils.readVariant(tag, this.registryAccess(), Registries.PIG_VARIANT).ifPresent(this::setVariant);
	}

	@Override
	protected SoundEvent getAmbientSound() {
		return SoundEvents.PIG_AMBIENT;
	}

	@Override
	protected SoundEvent getHurtSound(DamageSource damageSource) {
		return SoundEvents.PIG_HURT;
	}

	@Override
	protected SoundEvent getDeathSound() {
		return SoundEvents.PIG_DEATH;
	}

	@Override
	protected void playStepSound(BlockPos pos, BlockState state) {
		this.playSound(SoundEvents.PIG_STEP, 0.15F, 1.0F);
	}

	@Override
	public InteractionResult mobInteract(Player player, InteractionHand hand) {
		boolean bl = this.isFood(player.getItemInHand(hand));
		if (!bl && this.isSaddled() && !this.isVehicle() && !player.isSecondaryUseActive()) {
			if (!this.level().isClientSide) {
				player.startRiding(this);
			}

			return InteractionResult.SUCCESS;
		} else {
			InteractionResult interactionResult = super.mobInteract(player, hand);
			if (!interactionResult.consumesAction()) {
				ItemStack itemStack = player.getItemInHand(hand);
				return (InteractionResult)(this.isEquippableInSlot(itemStack, EquipmentSlot.SADDLE)
					? itemStack.interactLivingEntity(player, this, hand)
					: InteractionResult.PASS);
			} else {
				return interactionResult;
			}
		}
	}

	@Override
	public boolean canUseSlot(EquipmentSlot slot) {
		return slot != EquipmentSlot.SADDLE ? super.canUseSlot(slot) : this.isAlive() && !this.isBaby();
	}

	@Override
	protected boolean canDispenserEquipIntoSlot(EquipmentSlot slot) {
		return slot == EquipmentSlot.SADDLE || super.canDispenserEquipIntoSlot(slot);
	}

	@Override
	protected Holder<SoundEvent> getEquipSound(EquipmentSlot slot, ItemStack stack, Equippable equippable) {
		return (Holder<SoundEvent>)(slot == EquipmentSlot.SADDLE ? SoundEvents.PIG_SADDLE : super.getEquipSound(slot, stack, equippable));
	}

	@Override
	public Vec3 getDismountLocationForPassenger(LivingEntity passenger) {
		Direction direction = this.getMotionDirection();
		if (direction.getAxis() == Direction.Axis.Y) {
			return super.getDismountLocationForPassenger(passenger);
		} else {
			int[][] is = DismountHelper.offsetsForDirection(direction);
			BlockPos blockPos = this.blockPosition();
			BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();

			for (Pose pose : passenger.getDismountPoses()) {
				AABB aABB = passenger.getLocalBoundsForPose(pose);

				for (int[] js : is) {
					mutableBlockPos.set(blockPos.getX() + js[0], blockPos.getY(), blockPos.getZ() + js[1]);
					double d = this.level().getBlockFloorHeight(mutableBlockPos);
					if (DismountHelper.isBlockFloorValid(d)) {
						Vec3 vec3 = Vec3.upFromBottomCenterOf(mutableBlockPos, d);
						if (DismountHelper.canDismountTo(this.level(), passenger, aABB.move(vec3))) {
							passenger.setPose(pose);
							return vec3;
						}
					}
				}
			}

			return super.getDismountLocationForPassenger(passenger);
		}
	}

	@Override
	public void thunderHit(ServerLevel level, LightningBolt lightning) {
		if (level.getDifficulty() != Difficulty.PEACEFUL) {
			ZombifiedPiglin zombifiedPiglin = this.convertTo(EntityType.ZOMBIFIED_PIGLIN, ConversionParams.single(this, false, true), zombifiedPiglinx -> {
				if (this.getMainHandItem().isEmpty()) {
					zombifiedPiglinx.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.GOLDEN_SWORD));
				}

				zombifiedPiglinx.setPersistenceRequired();
			});
			if (zombifiedPiglin == null) {
				super.thunderHit(level, lightning);
			}
		} else {
			super.thunderHit(level, lightning);
		}
	}

	@Override
	protected void tickRidden(Player player, Vec3 travelVector) {
		super.tickRidden(player, travelVector);
		this.setRot(player.getYRot(), player.getXRot() * 0.5F);
		this.yRotO = this.yBodyRot = this.yHeadRot = this.getYRot();
		this.steering.tickBoost();
	}

	@Override
	protected Vec3 getRiddenInput(Player player, Vec3 travelVector) {
		return new Vec3(0.0, 0.0, 1.0);
	}

	@Override
	protected float getRiddenSpeed(Player player) {
		return (float)(this.getAttributeValue(Attributes.MOVEMENT_SPEED) * 0.225 * this.steering.boostFactor());
	}

	@Override
	public boolean boost() {
		return this.steering.boost(this.getRandom());
	}

	@Nullable
	public Pig getBreedOffspring(ServerLevel serverLevel, AgeableMob ageableMob) {
		Pig pig = EntityType.PIG.create(serverLevel, EntitySpawnReason.BREEDING);
		if (pig != null && ageableMob instanceof Pig pig2) {
			pig.setVariant(this.random.nextBoolean() ? this.getVariant() : pig2.getVariant());
		}

		return pig;
	}

	@Override
	public boolean isFood(ItemStack stack) {
		return stack.is(ItemTags.PIG_FOOD);
	}

	@Override
	public Vec3 getLeashOffset() {
		return new Vec3(0.0, 0.6F * this.getEyeHeight(), this.getBbWidth() * 0.4F);
	}

	private void setVariant(Holder<PigVariant> variant) {
		this.entityData.set(DATA_VARIANT_ID, variant);
	}

	public Holder<PigVariant> getVariant() {
		return this.entityData.get(DATA_VARIANT_ID);
	}

	@Nullable
	@Override
	public <T> T get(DataComponentType<? extends T> component) {
		return component == DataComponents.PIG_VARIANT ? castComponentValue((DataComponentType<T>)component, this.getVariant()) : super.get(component);
	}

	@Override
	protected void applyImplicitComponents(DataComponentGetter componentGetter) {
		this.applyImplicitComponentIfPresent(componentGetter, DataComponents.PIG_VARIANT);
		super.applyImplicitComponents(componentGetter);
	}

	@Override
	protected <T> boolean applyImplicitComponent(DataComponentType<T> component, T value) {
		if (component == DataComponents.PIG_VARIANT) {
			this.setVariant(castComponentValue(DataComponents.PIG_VARIANT, value));
			return true;
		} else {
			return super.applyImplicitComponent(component, value);
		}
	}

	@Override
	public SpawnGroupData finalizeSpawn(
		ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
	) {
		PigVariants.selectVariantToSpawn(this.random, this.registryAccess(), SpawnContext.create(level, this.blockPosition())).ifPresent(this::setVariant);
		return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
	}
}