package jalview.ws.jws2;

import java.util.HashSet;
import java.util.List;

import compbio.metadata.*;
public class ParameterUtils
{

  public static Option copyOption(Option option)
  {
    Option copy = new Option(option.getName(), option.getDescription());
    setOptionFrom(copy, option);
    return copy;
  }
  public static void setOptionFrom(Option copy, Option option)
  {
    copy.setName(option.getName());
    copy.setDescription(option.getDescription());
    copy.setFurtherDetails(option.getFurtherDetails());
    copy.setRequired(option.isRequired());
    List<String> names = option.getOptionNames();
    if (names!=null){
      if (names.size()==1)
      {
        HashSet<String> st = new HashSet();
        st.add(names.get(0));
        copy.setOptionNames(st);
      } else {
      copy.addOptionNames(names.toArray(new String[]{}));
      }
    }
    try {
      if (option.getDefaultValue()!=null)
      {
        copy.setDefaultValue(option.getDefaultValue());
      }
    } catch (Exception ex)
    {
      ex.printStackTrace();
    }
  }

  public static ValueConstrain copyValueConstrain(ValueConstrain vc)
  {
    try {ValueConstrain copy = new ValueConstrain();
    if (vc.getMax()!=null) {
      copy.setMax(vc.getMax().toString());
    }
    if (vc.getMin()!=null) {
      copy.setMin(vc.getMin().toString());
    }
    if (vc.getType()!=null) {
      copy.setType(vc.getType());
    }
    return copy;
    }
    catch (Exception e)
    {
      e.printStackTrace();
      throw new Error("Implementation error: could not copy ValueConstrain!");
    }
  }
  public static Parameter copyParameter(Parameter parameter)
  {
    Parameter copy = new Parameter(parameter.getName(), parameter.getDescription());
    if (parameter.getValidValue()!=null) {
      copy.setValidValue(copyValueConstrain(parameter.getValidValue()));
    }
    List<String> pv = parameter.getPossibleValues();
    if (pv!=null)
    {
      copy.addPossibleValues(pv.toArray(new String[]{}));
    }
    setOptionFrom(copy, parameter);
    return copy;
  }

}