package universalelectricity.prefab.vector;

import java.util.ArrayList;
import java.util.List;
import net.minecraft.entity.Entity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.World;
import universalelectricity.core.vector.Vector3;
import universalelectricity.prefab.vector.Region2;

public class Region3 {

   public Vector3 min;
   public Vector3 max;


   public Region3() {
      this(new Vector3(), new Vector3());
   }

   public Region3(Vector3 min, Vector3 max) {
      this.min = min;
      this.max = max;
   }

   public Region3(AxisAlignedBB aabb) {
      this.min = new Vector3(aabb.minX, aabb.minY, aabb.minZ);
      this.max = new Vector3(aabb.maxX, aabb.maxY, aabb.maxZ);
   }

   public AxisAlignedBB toAABB() {
      return AxisAlignedBB.getBoundingBox(this.min.x, this.min.y, this.min.z, this.max.x, this.max.y, this.max.z);
   }

   public Region2 toRegion2() {
      return new Region2(this.min.toVector2(), this.max.toVector2());
   }

   public boolean isIn(Vector3 point) {
      return point.x > this.min.x && point.x < this.max.x && point.y > this.min.y && point.y < this.max.y && point.z > this.min.z && point.z < this.max.z;
   }

   public boolean isIn(Region3 region) {
      return region.max.x > this.min.x && region.min.x < this.max.x?(region.max.y > this.min.y && region.min.y < this.max.y?region.max.z > this.min.z && region.min.z < this.max.z:false):false;
   }

   public void expand(Vector3 difference) {
      this.min.subtract(difference);
      this.max.add(difference);
   }

   public List getVectors() {
      ArrayList vectors = new ArrayList();

      for(int x = this.min.intX(); x < this.max.intX(); ++x) {
         for(int y = this.min.intY(); x < this.max.intY(); ++y) {
            for(int z = this.min.intZ(); x < this.max.intZ(); ++z) {
               vectors.add(new Vector3((double)x, (double)y, (double)z));
            }
         }
      }

      return vectors;
   }

   public List getVectors(Vector3 center, int radius) {
      ArrayList vectors = new ArrayList();

      for(int x = this.min.intX(); x < this.max.intX(); ++x) {
         for(int y = this.min.intY(); x < this.max.intY(); ++y) {
            for(int z = this.min.intZ(); x < this.max.intZ(); ++z) {
               Vector3 vector3 = new Vector3((double)x, (double)y, (double)z);
               if(center.distanceTo(vector3) <= (double)radius) {
                  vectors.add(vector3);
               }
            }
         }
      }

      return vectors;
   }

   public List getEntities(World world, Class entityClass) {
      return world.getEntitiesWithinAABB(entityClass, this.toAABB());
   }

   public List getEntitiesExlude(World world, Entity entity) {
      return world.getEntitiesWithinAABBExcludingEntity(entity, this.toAABB());
   }

   public List getEntities(World world) {
      return this.getEntities(world, Entity.class);
   }
}