package crazypants.enderio.machine.capbank.network;

import net.minecraftforge.common.util.ForgeDirection;

import com.enderio.core.common.util.BlockCoord;

import crazypants.enderio.conduit.IConduitBundle;
import crazypants.enderio.conduit.power.IPowerConduit;
import crazypants.enderio.machine.IoMode;
import crazypants.enderio.machine.capbank.TileCapBank;
import crazypants.enderio.power.IPowerInterface;

public class EnergyReceptor {

  private final IPowerInterface receptor;
  private final ForgeDirection fromDir;
  private final IoMode mode;
  private final BlockCoord location;

  private final IPowerConduit conduit;

  public EnergyReceptor(TileCapBank cb, IPowerInterface receptor, ForgeDirection dir) {
    this.receptor = receptor;
    fromDir = dir;
    mode = cb.getIoMode(dir);
    if(receptor.getDelegate() instanceof IConduitBundle) {
      conduit = ((IConduitBundle) receptor.getDelegate()).getConduit(IPowerConduit.class);
    } else {
      conduit = null;
    }
    location = cb.getLocation();
  }

  public IPowerConduit getConduit() {
    return conduit;
  }

  public IPowerInterface getReceptor() {
    return receptor;
  }

  public ForgeDirection getDir() {
    return fromDir;
  }

  public IoMode getMode() {
    return mode;
  }

  //NB: Special impl of equals and hash code based solely on the location and dir
  //This is done to ensure the receptors in the Networks Set are added / removed correctly

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((fromDir == null) ? 0 : fromDir.hashCode());
    result = prime * result + ((location == null) ? 0 : location.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if(this == obj) {
      return true;
    }
    if(obj == null) {
      return false;
    }
    if(getClass() != obj.getClass()) {
      return false;
    }
    EnergyReceptor other = (EnergyReceptor) obj;
    if(fromDir != other.fromDir) {
      return false;
    }
    if(location == null) {
      if(other.location != null) {
        return false;
      }
    } else if(!location.equals(other.location)) {
      return false;
    }
    return true;
  }

  @Override
  public String toString() {
    return "EnergyReceptor [receptor=" + receptor + ", fromDir=" + fromDir + ", mode=" + mode + ", conduit=" + conduit + "]";
  }

}