package net.minecraft.world.entity.animal.fish;

import java.util.List;
import net.minecraft.network.protocol.game.ClientboundGameEventPacket;
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.server.level.ServerPlayer;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.tags.EntityTypeTags;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.effect.MobEffectInstance;
import net.minecraft.world.effect.MobEffects;
import net.minecraft.world.entity.EntityDimensions;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.Pose;
import net.minecraft.world.entity.ai.goal.Goal;
import net.minecraft.world.entity.ai.targeting.TargetingConditions;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.storage.ValueInput;
import net.minecraft.world.level.storage.ValueOutput;

public class Pufferfish extends AbstractFish {
	private static final EntityDataAccessor<Integer> PUFF_STATE = SynchedEntityData.defineId(Pufferfish.class, EntityDataSerializers.INT);
	private int inflateCounter;
	private int deflateTimer;
	private static final TargetingConditions.Selector SCARY_MOB = (target, level) -> target instanceof Player player && player.isCreative()
		? false
		: !target.is(EntityTypeTags.NOT_SCARY_FOR_PUFFERFISH);
	private static final TargetingConditions TARGETING_CONDITIONS = TargetingConditions.forNonCombat()
		.ignoreInvisibilityTesting()
		.ignoreLineOfSight()
		.selector(SCARY_MOB);
	public static final int STATE_SMALL = 0;
	public static final int STATE_MID = 1;
	public static final int STATE_FULL = 2;
	private static final int DEFAULT_PUFF_STATE = 0;

	public Pufferfish(final EntityType<? extends Pufferfish> type, final Level level) {
		super(type, level);
		this.refreshDimensions();
	}

	@Override
	protected void defineSynchedData(final SynchedEntityData.Builder entityData) {
		super.defineSynchedData(entityData);
		entityData.define(PUFF_STATE, 0);
	}

	public int getPuffState() {
		return this.entityData.get(PUFF_STATE);
	}

	public void setPuffState(final int state) {
		this.entityData.set(PUFF_STATE, state);
	}

	@Override
	public void onSyncedDataUpdated(final EntityDataAccessor<?> accessor) {
		if (PUFF_STATE.equals(accessor)) {
			this.refreshDimensions();
		}

		super.onSyncedDataUpdated(accessor);
	}

	@Override
	protected void addAdditionalSaveData(final ValueOutput output) {
		super.addAdditionalSaveData(output);
		output.putInt("PuffState", this.getPuffState());
	}

	@Override
	protected void readAdditionalSaveData(final ValueInput input) {
		super.readAdditionalSaveData(input);
		this.setPuffState(Math.min(input.getIntOr("PuffState", 0), 2));
	}

	@Override
	public ItemStack getBucketItemStack() {
		return new ItemStack(Items.PUFFERFISH_BUCKET);
	}

	@Override
	protected void registerGoals() {
		super.registerGoals();
		this.goalSelector.addGoal(1, new Pufferfish.PufferfishPuffGoal(this));
	}

	@Override
	public void tick() {
		if (!this.level().isClientSide() && this.isAlive() && this.isEffectiveAi()) {
			if (this.inflateCounter > 0) {
				if (this.getPuffState() == 0) {
					this.makeSound(SoundEvents.PUFFER_FISH_BLOW_UP);
					this.setPuffState(1);
				} else if (this.inflateCounter > 40 && this.getPuffState() == 1) {
					this.makeSound(SoundEvents.PUFFER_FISH_BLOW_UP);
					this.setPuffState(2);
				}

				this.inflateCounter++;
			} else if (this.getPuffState() != 0) {
				if (this.deflateTimer > 60 && this.getPuffState() == 2) {
					this.makeSound(SoundEvents.PUFFER_FISH_BLOW_OUT);
					this.setPuffState(1);
				} else if (this.deflateTimer > 100 && this.getPuffState() == 1) {
					this.makeSound(SoundEvents.PUFFER_FISH_BLOW_OUT);
					this.setPuffState(0);
				}

				this.deflateTimer++;
			}
		}

		super.tick();
	}

	@Override
	public void aiStep() {
		super.aiStep();
		if (this.level() instanceof ServerLevel level && this.isAlive() && this.getPuffState() > 0) {
			for (Mob mob : this.level().getEntitiesOfClass(Mob.class, this.getBoundingBox().inflate(0.3), target -> TARGETING_CONDITIONS.test(level, this, target))) {
				if (mob.isAlive()) {
					this.touch(level, mob);
				}
			}
		}
	}

	private void touch(final ServerLevel level, final Mob mob) {
		int puffState = this.getPuffState();
		if (mob.hurtServer(level, this.damageSources().mobAttack(this), 1 + puffState)) {
			mob.addEffect(new MobEffectInstance(MobEffects.POISON, 60 * puffState, 0), this);
			this.playSound(SoundEvents.PUFFER_FISH_STING, 1.0F, 1.0F);
		}
	}

	@Override
	public void playerTouch(final Player player) {
		int puffState = this.getPuffState();
		if (player instanceof ServerPlayer serverPlayer
			&& puffState > 0
			&& player.hurtServer(serverPlayer.level(), this.damageSources().mobAttack(this), 1 + puffState)) {
			if (!this.isSilent()) {
				serverPlayer.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.PUFFER_FISH_STING, 0.0F));
			}

			player.addEffect(new MobEffectInstance(MobEffects.POISON, 60 * puffState, 0), this);
		}
	}

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

	@Override
	protected SoundEvent getHurtSound(final DamageSource source) {
		return SoundEvents.PUFFER_FISH_HURT;
	}

	@Override
	protected SoundEvent getFlopSound() {
		return SoundEvents.PUFFER_FISH_FLOP;
	}

	@Override
	public EntityDimensions getDefaultDimensions(final Pose pose) {
		return super.getDefaultDimensions(pose).scale(getScale(this.getPuffState()));
	}

	private static float getScale(final int state) {
		return switch (state) {
			case 0 -> 0.5F;
			case 1 -> 0.7F;
			default -> 1.0F;
		};
	}

	private static class PufferfishPuffGoal extends Goal {
		private final Pufferfish fish;

		public PufferfishPuffGoal(final Pufferfish fish) {
			this.fish = fish;
		}

		@Override
		public boolean canUse() {
			List<LivingEntity> entities = this.fish
				.level()
				.getEntitiesOfClass(
					LivingEntity.class, this.fish.getBoundingBox().inflate(2.0), target -> Pufferfish.TARGETING_CONDITIONS.test(getServerLevel(this.fish), this.fish, target)
				);
			return !entities.isEmpty();
		}

		@Override
		public void start() {
			this.fish.inflateCounter = 1;
			this.fish.deflateTimer = 0;
		}

		@Override
		public void stop() {
			this.fish.inflateCounter = 0;
		}
	}
}