!752

// TODO: When in a dialog, this should be prioritized by dispatcher

static new Map<S, Status> statusMap; // key = dialog id

p {
  load("statusMap");
}

static abstract class Status {
  abstract S answer(S s);
}

static class AgainThis extends Status {
  S q;
  *() {}
  *(S *q) {}
  
  S answer(S s) {
    status(null); // always forget question after one line
    
    if (isYes(s)) exceptionToUser {
      ret quote(q) + " >> " + askSelf(q);
    } else if (isNo(s))
      ret "OK";
    null;
  }
}

static void status(Status s) {
  if (s == null)
    statusMap.remove(getDialogID());
  else
    statusMap.put(getDialogID(), s);
  save("statusMap");
}

answer {
  if "again" {
    Map last = last(getDialog());
    if (last == null)
      ret "Again what?";
    else {
      S q = getString(last, "question");
      status(new AgainThis(q));
      ret "Again this? >> " + q;
    }
  }
  
  Status status = statusMap.get(getDialogID());
  if (status != null)
    ret status.answer(s);
}