package net.minecraft.world.entity.monster.hoglin;

import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.RandomSource;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.ai.attributes.Attributes;
import net.minecraft.world.item.enchantment.EnchantmentHelper;
import net.minecraft.world.phys.Vec3;

public interface HoglinBase {
	int ATTACK_ANIMATION_DURATION = 10;
	float PROBABILITY_OF_SPAWNING_AS_BABY = 0.2F;

	int getAttackAnimationRemainingTicks();

	static boolean hurtAndThrowTarget(final ServerLevel level, final LivingEntity body, final LivingEntity target) {
		float attackDamage = (float)body.getAttributeValue(Attributes.ATTACK_DAMAGE);
		float actualDamage;
		if (!body.isBaby() && (int)attackDamage > 0) {
			actualDamage = attackDamage / 2.0F + level.getRandom().nextInt((int)attackDamage);
		} else {
			actualDamage = attackDamage;
		}

		DamageSource damageSource = body.damageSources().mobAttack(body);
		boolean wasHurt = target.hurtServer(level, damageSource, actualDamage);
		if (wasHurt) {
			EnchantmentHelper.doPostAttackEffects(level, target, damageSource);
			if (!body.isBaby()) {
				throwTarget(body, target);
			}
		}

		return wasHurt;
	}

	static void throwTarget(final LivingEntity body, final LivingEntity target) {
		double knockbackPower = body.getAttributeValue(Attributes.ATTACK_KNOCKBACK);
		double knockbackResistance = target.getAttributeValue(Attributes.KNOCKBACK_RESISTANCE);
		double effectiveKnockbackPower = knockbackPower - knockbackResistance;
		if (!(effectiveKnockbackPower <= 0.0)) {
			double xd = target.getX() - body.getX();
			double zd = target.getZ() - body.getZ();
			RandomSource random = body.level().getRandom();
			float horizontalPushAngle = random.nextInt(21) - 10;
			double horizontalScale = effectiveKnockbackPower * (random.nextFloat() * 0.5F + 0.2F);
			Vec3 horizontalPushVector = new Vec3(xd, 0.0, zd).normalize().scale(horizontalScale).yRot(horizontalPushAngle);
			double verticalScale = effectiveKnockbackPower * random.nextFloat() * 0.5;
			target.push(horizontalPushVector.x, verticalScale, horizontalPushVector.z);
			target.hurtMarked = true;
		}
	}
}