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!7

set flag DynModule. // for evals

cmodule Gazelle2 > DynDiscordHopper {
  S myName = "Gazelle";
  
  void init after super {
    dm_vmBus_onMessage_q editedDiscordMessage(voidfunc(Map map) {
      ret if !enabled || !dm_isMe(map.get('module));
      ret if isTrue(map.get('bot));
      S s = getString content(map);
      Message msg = cast map.get('msg);
      long msgID = getLong msgID(map);
      MessageChannel channel = cast map.get('channel);
      long userID = getLong userID(map);
      
      print("Got edited message: " + s);
      
      // experimental edited msg handling for evals
      if (startsWith(s, "!")) {
        // postInChannel(channel, "I saw your edit, " + discordAt(userID));
        
        RecordedAnswer oldAnswer = firstWhere(recordedAnswers, questionMsgID := msgID);
        print("Have " + n2(recordedAnswers, "recorded answer")
          + ", found " + oldAnswer);
        if (oldAnswer != null) {
          recordedAnswers.remove(oldAnswer);
          change();
          pcall {
            print("Deleting my old answer: " + oldAnswer.answerMsgID);
            discord.getTextChannelById(oldAnswer.channelID)
              .deleteMessageById(oldAnswer.answerMsgID).queue();
          }
        }
        S answer = answer(s, map);
        sendReply(map, answer);
      }
    });
  }
  
  transient new InheritableThreadLocal<Map> msgMap; // while answering
  
  @Override S answer(S s, Map map) {
    new Matches m;
    
    temp tempSetTL(msgMap, map);
    
    long ch = getLong channelID(map);
    long userID = getLong userID(map);

    S sOld = s;    
    s = dropPrefix_trim(atSelf() + " ", s);
    if (sOld != s) print("dropped atSelf >> " + s);
      
    s = simpleSpaces_javaTok(s);
    
    if (eqicOneOf(s, "source", "sources", "source code"))
      ret snippetLink(programID());
      
    if "what's your name" ret myName;
    
    if (swic_trim(s, myName + ", show me ", m)) {
      iAmTyping(map);
      S query = m.rest();
      BufferedImage img = quickVisualize(query);
      if (img == null) ret "No image found, sorry!";
      postImage(map, uploadToImageServer(img, query));
      null;
    }
    
    if (swic_trim(s, myName + ", look up ", m)) {
      if (isSingleWord($1))
        try answer wordNet_pretty($1);
      
      ret ":cry: I don't know";
    }
    
    if (ellipsisToDotStarRegexpFindIC("days...year", collapse(s)))
      ret nDays(daysUntilEndOfYear()) + " till end of year";

    S content = s;      
    try {
      if (swicOneOf(content, "!eval ", "!fresh ", "!real-eval", "!safe-eval ") || eqic(content, "!fresh")) {
        O safetyCheck = null;
        bool authed = dm_discord_userCanEval(userID);
        print("Authed " + userID + " => " + authed);
        if (swic_trim(content, "!safe-eval ", m)) {
          content = "!eval " + m.rest();
          authed = false;
        }
        
        /*if (regexpMatches("![a-z\\-]+\\s+again", content)) {
          GazelleLine last = dm_discord_nextToLastEvalByUser(userID);
          if (last == null) ret "No last eval found";
          content = replaceSuffix("again", afterSpace(last.text), content);
        }*/
        
        if (!authed)
          safetyCheck = botEval_strictSafetyCheck();
        
        iAmTyping(map);
        dm_bot_execEvalCmd(voidfunc(S s) {
          if (s != null)
            postInChannel(ch, shorten(ifEmpty(s, [[""]]), 1000))
        }, content, +safetyCheck);
        null;
      }
    } catch print error {
      postInChannel(ch, exceptionToStringShort(error));
    }

    ret super.answer(s, map);
  }
  
  // for evals with gazelle_msg()
  Message respondingTo() { ret (Message) get msg(msgMap!); }
  
  MessageChannel currentChannel() { ret (MessageChannel) get channel(msgMap!); }
  
  void postImage(S url) {
    postImage(msgMap!, url);
}

  void postImage(S url, S description) {
    postImage(msgMap!, url, description);
  }
}