!752

p {
  L<Msg> msgs = getLastMsgs(); // must be in order
  for (Msg msg : msgs)
    onMsg(msg);
  now();
  
  while true {
    msgs = getMoreMsgs();
    for (Msg msg : msgs)
      onMsg(msg);
    if (!msgs.isEmpty())
      now();
    sleepSeconds(10);
  }
}

static void onMsg(Msg msg) {
  if (isQuestion(msg))
    questions.add(msg);
  else if (isAnswer(msg)) {
    Msg q = getQuestion(msg);
    questions.remove(q);
    if (current == q)
      current = null;
  }
}

static void now() {
  if (current != null) ret; // still waiting for my own answer to appear
  if (!questions.isEmpty()) {
    current = questions.get(0);
    questions.remove(0);
    postAnswer(current);
  }
}

static Msg getQuestion(Msg a) {
  // TODO
}

static void postAnswer(Msg q) {
  // call the bot
  // if answer == null:
  //   if we're directly targeted in the question (@blabot),
  //   say "i don't know".
  //   if we're not targeted, delete the question from list.
  // if there is an answer, post the answer with time stamp of question.
}

Began life as a copy of #1001893