niveum/systems/catullus/telegram-bots/nachtischsatan.nix

{ pkgs, lib, ... }:
let
  nachtischsatan-bot = { token }:
    pkgs.writers.writePython3 "nachtischsatan-bot" {
      libraries = [ pkgs.python3Packages.python-telegram-bot ];
    } ''
      import random
      import time

      from telegram.ext import Updater, MessageHandler
      from telegram.ext.filters import Filters


      def flubber(bot, update):
          time.sleep(random.randrange(4000) / 1000)
          update.message.reply_text("*flubberflubber*")


      updater = Updater(
        '${token}'
      )

      updater.dispatcher.add_handler(MessageHandler(Filters.all, flubber))

      updater.start_polling()
      updater.idle()
    '';
in {
  systemd.services.telegram-nachtischsatan = {
    wantedBy = [ "multi-user.target" ];
    description = "*flubberflubber*";
    enable = true;
    script = toString (nachtischsatan-bot {
      token = lib.strings.fileContents <system-secrets/telegram/nachtischsatan.token>;
    });
    serviceConfig.Restart = "always";
  };
}