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!7

concept Msg {
  long msgID, channelID, userID;
  long date, edited; // epochSeconds
  S text;
  
  S text() { ret text; }
}

concept HasMsg {
  new Ref<Msg> msg;
  
  S text() { ret msg->text; }
}  

concept Question > HasMsg {
  Answer acceptedAnswer;
}

concept Answer > HasMsg {
  Question question;
}

standardBot1 Asker {
  init {
    dbIndexing(Msg, 'msgID, Msg, 'channelID);
    thread {
      temp enter();
      for (Question q)
        print(q.msg->text + " => " + mapMethod text(linesAfterQuestion(q)));
    }
  }
  
  allServers {
    !include #1025906 // DiscordScanner
    
    L<Msg> linesAfterQuestion(Question q) {
      long channelID = q.msg->channelID;
      if (channelID == 0) null;
      L<Msg> l = conceptsWhere(Msg, +channelID);
      l = takeFirst(10, sortByField date(filter(l, m -> m.date > q.msg->date)));
      ret l;
    }
  }
  
  processSimplified {
    optPar Message msg;
    optPar long channelID;
    optPar long userID;
    storeMsg(msg);
    
    if null (s = dropMyPrefixOrNull(s)) null;
    
    if "ask me something" {
      S q = "Is " + random(100) + " bigger than " + random(100) + "?";
      postInChannel(channelID, discordAt(userID) + " " + q, mm -> {
        Msg stored = pairA(storeMsg(mm));
        printStruct("New question: " + cnew Question(msg := stored));
      });
      null;
    }
  }
}