/*
 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
 * Copyright (C) $$Year-Rel$$ The Jalview Authors
 *
 * This file is part of Jalview.
 *
 * Jalview is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * Jalview is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
 * The Jalview Authors are detailed in the 'AUTHORS' file.
 */
package jalview.util.dialogrunner;

public class Response
{
  int type = 0; // int = 0, String = 1, Object = 2;

  int intresp;

  String stringresp;

  Object objresp;

  public Response(int response)
  {
    type = 0;
    intresp = response;
  }

  public Response(String response)
  {
    type = 1;
    stringresp = response;
  }

  public Response(Object response)
  {
    if (response instanceof String)
    {
      type = 1;
      stringresp = (String) response;
      return;
    }
    if (response instanceof Integer)
    {
      type = 0;
      intresp = ((Integer) response).intValue();
      return;
    }
    objresp = response;
    type = 2;
  }

  @Override
  public boolean equals(Object obj)
  {
    if (obj == null || !(obj instanceof Response))
    {
      return false;
    }
    ;
    if (((Response) obj).type == type)
    {
      switch (type)
      {
      case 0:
        return ((((Response) obj).intresp) == intresp);
      case 1:
        return (((Response) obj).stringresp.equals(stringresp));
      case 2:
        return (((Response) obj).objresp).equals(objresp);
      }
    }
    return false;
  }

  @Override
  public int hashCode()
  {
    switch (type)
    {
    case 0:
      return Integer.valueOf(intresp).hashCode();
    case 1:
      return stringresp.hashCode();
    case 2:
      return objresp.hashCode();
    }
    return super.hashCode();
  }

  @Override
  public String toString()
  {
    switch (type)
    {
    case 0:
      return "DialogRunner int: " + intresp;
    case 1:
      return "DialogRunner str: '" + stringresp + "'";
    case 2:
      return "DialogRunner obj: " + String.valueOf(objresp);
    }
    return "Unconfigured response.";
  }

  /**
   * null response - triggers the default response
   * @return
   */
  public boolean isNull()
  {
    return (type==2 && objresp==null) || (type==1 && (stringresp==null || stringresp.equals("")));
  }
}