!752

sclass Tag {
  S name;
}

sclass SlackMsg {
  S user, botName; // one of these is going to be set
  S userName; // looked up if user != null
  S type, text, ts;
  O reactions;
  S channelID;
  
  int index;
  new TreeSet<S> tags;
}

static PersistentMap<S, L<Tag>> tagMap;
static PersistentLog<SlackMsg> msgs;
static new L<SlackMsg> taggedMsgs;
static new TreeMap<Integer, SlackMsg> msgsByIndex;
static new MultiMap<S, SlackMsg> msgsByTag;

p {
  tagMap = new PersistentMap("#1002192", "tagsByTS.log");
  print("Tags: " + l(tagMap));
  
  S channelName = "talkingbots";
  msgs = new PersistentLog("#1002185", parseChannelName(channelName) + ".msgs");
  print("Msgs: " + l(msgs));
  if (empty(tagMap) || empty(msgs)) fail("no data");
  
  //printStructure(last(msgs));
  
  // put tags and index in messages
  int n = 1;
  for (SlackMsg msg : msgs) {
    L<Tag> tags = tagMap.get(msg.ts);
    /*if (nempty(tags))
      print(structure(tags) + " " + structure(msg));*/
    msg.index = n++;
    msgsByIndex.put(msg.index, msg);
    for (Tag t : unnull(tags)) {
      if (msg.tags.add(t.name))
        msgsByTag.put(t.name, msg);
    }
    if (nempty(msg.tags))
      taggedMsgs.add(msg);
  }
  
  print(l(taggedMsgs) + " tagged msgs.");
  
  for (SlackMsg msg : taggedMsgs) {
    for (S tag : msg.tags) {
      if (tag.startsWith("@") && isInteger(tag.substring(1))) pcall {
        int i = parseInt(tag.substring(1));
        if (i < 0) i += msg.index;
        SlackMsg m2 = msgsByIndex.get(i);
        S t2 = m2 == null ? "NOT FOUND" : m2.userName + ": " + m2.text;
        S t1 = msg.userName + ": " + msg.text;
        //print(msg.text + " => " + (m2 == null ? "NOT FOUND" : m2.text));
        print(t2);
        print("  " + t1);
        print();
      }
    }
  }
  
  print("Bot greetings: " + structure(collect(msgsByTag.get("bot greeting"), "text")));
}