public class SkeletonManager implements Listener {
    public List<AbstractSkeleton> skeletonsList = new ArrayList<>(Arrays.asList(
            new AbstractSkeleton("overgrown_skeleton", PotionEffectType.POISON,
                    15, 0.37f, "карапузік", new ArrayList<>(Arrays.asList(Biome.LUSH_CAVES))),
            new AbstractSkeleton("desert_skeleton",
                    PotionEffectType.WITHER, 22, 0.3f, "десерт",
                    new ArrayList<>(Arrays.asList(Biome.DESERT)))
    ));


    @EventHandler
    public void onEntitySpawn(EntitySpawnEvent e){
        if(!(e.getEntity().getType().equals(EntityType.SKELETON))) return;
        for(AbstractSkeleton skeleton: skeletonsList){
            if(!isInBiome(skeleton, e.getLocation().getBlock().getBiome())) return;
            e.getEntity().remove();
            skeleton.spawnSkeleton(e.getLocation());
        }

    }

    @EventHandler
    public void onArrowHit(EntityShootBowEvent e){
        for(AbstractSkeleton skeleton: skeletonsList){
            if(!isSkeleton(skeleton, e.getEntity())) return;
            ((Arrow) e.getProjectile()).addCustomEffect(new PotionEffect(
                    skeleton.potionEffectType(), 40, 2), true
            );
        }

    }

    public boolean isInBiome(AbstractSkeleton skeleton, Biome biome){
        return skeleton.biomeList().contains(biome);
    }

    public boolean isSkeleton(AbstractSkeleton skeleton, Entity entity){
        if(!(entity.getType().equals(EntityType.SKELETON))) return false;
        if(!(entity.hasMetadata("mob_type"))) return false;
        return entity.getMetadata("mob_type").contains(skeleton.dataValue());
    }