package jalview.ws.jws2.dm;

import java.util.ArrayList;
import java.util.List;

import compbio.metadata.Argument;
import compbio.metadata.Preset;

import jalview.ws.jws2.JabaPreset;
import jalview.ws.jws2.jabaws2.Jws2Instance;
import jalview.ws.params.ArgumentI;
import jalview.ws.params.WsParamSetI;

/**
 * preferences for running AACons service
 * 
 * @author jprocter TODO: refactor to a generic 'last job and service run'
 *         container ?
 */
public class AAConsSettings
{
  boolean autoUpdate;

  Jws2Instance service;

  WsParamSetI preset;

  List<Argument> jobArgset;

  public AAConsSettings(boolean autoUpdate, Jws2Instance service,
          WsParamSetI preset, List<Argument> jobArgset)
  {
    super();
    this.autoUpdate = autoUpdate;
    this.service = service;
    this.preset = preset;
    this.jobArgset = jobArgset;
  }

  public boolean isAutoUpdate()
  {
    return autoUpdate;
  }

  public void setAutoUpdate(boolean autoUpdate)
  {
    this.autoUpdate = autoUpdate;
  }

  public Jws2Instance getService()
  {
    return service;
  }

  public void setService(Jws2Instance service)
  {
    this.service = service;
    if (preset != null)
    {
      // migrate preset to new service
      for (String url : preset.getApplicableUrls())
      {
        if (url.equals(service.getUri()))
        {
          return;
        }
      }
      WsParamSetI pr = service.getParamStore().getPreset(preset.getName());
      if (pr instanceof JabaPreset && preset instanceof JabaPreset)
      {
        // easy - Presets are identical (we assume)
        preset = pr;
        return;
      }
      List<ArgumentI> oldargs = new ArrayList<ArgumentI>(), newargs = new ArrayList<ArgumentI>();
      oldargs.addAll(preset.getArguments());
      // need to compare parameters
      for (ArgumentI newparg : pr.getArguments())
      {
        if (!oldargs.remove(newparg))
        {
          newargs.add(newparg);
        }
      }
      if (oldargs.size() == 0 && newargs.size() == 0)
      {
        // exact match.
        preset = pr;
        return;
      }
      // Try even harder to migrate arguments.
      throw new Error("Parameter migration not implemented yet");
    }
  }

  public WsParamSetI getPreset()
  {
    return preset;
  }

  public void setPreset(WsParamSetI preset)
  {
    // TODO: test if service URL is in presets
    this.preset = preset;
  }

  public List<Argument> getJobArgset()
  {
    return jobArgset;
  }

  public void setJobArgset(List<Argument> jobArgset)
  {
    // TODO: test if parameters valid for service
    this.jobArgset = jobArgset;
  }

}