!7

set flag DynModule.

cmodule DiscordBot > DynPrintLogAndEnabled {

  transient JDA bot;

  transient new Set<Long> msgsReactedTo;

  transient double deleteDelay = 60.0;

  start {

    logModuleOutput();

    // TODO: log JDA output

    bot = discordBot(new ListenerAdapter {

      public void onMessageReceived(MessageReceivedEvent e) pcall {

        ret if !enabled || !licensed();

        ret if e.getAuthor().isBot();

        print("Channel type: " + e.getChannelType());

        bool isPrivate = e.getChannelType() == ChannelType.PRIVATE;

        print("Msg from " + e.getAuthor().getName() + ": " + e.getMessage().getContentDisplay());

        S content = trim(e.getMessage().getContentRaw());

        if (empty(content)) ret;

        GazelleEvalContext ctx = dm_gazelle_stdEvalContext(dm_gazelle_allRulesWithComment("discord"));

        GazelleTree tree = new(ctx, content);

        L<GazelleTree> l = dm_gazelle_getChildren(tree);

        if (empty(l)) ret;

        for (GazelleTree t : takeFirst(10, l))

          e.getChannel().sendMessage(t.line).queue(msg -> {

            final long msgId = msg.getIdLong();

            print("I sent msg: " + msgId);

            doLater(deleteDelay, r {

              ret if contains(msgsReactedTo, msgId);

              print("Deleting msg " + msg.getIdLong());

              msg.delete().queue();

            });

          });

      }

      public void onMessageReactionAdd(MessageReactionAddEvent e) {

        ret if !enabled || !licensed();

        MessageReaction r = e.getReaction();

        bool bot = e.getUser().isBot();

        long msgId = r.getMessageIdLong();

        add(msgsReactedTo, msgId);

        print("User " + e.getUser() + (bot ? " (bot)" : "") + " reacted to message " + msgId + " with " + r.getReactionEmote());

        if (bot) ret;

        //e.getChannel().sendMessage("You just " + r.getReactionEmote().getName() + " ed").queue();

      }

    });

    print("Started bot");

  }

  void cleanMeUp {

    if (bot != null) pcall {

      print("Shutting down bot");

      bot.shutdown();

      print("Bot shut down");

    }

    bot = null;

  }

}