infrastructure/modules/nixos/dgn-chatops/default.nix

# SPDX-FileCopyrightText: 2024 Ryan Lahfa <ryan.lahfa@dgnum.eu>
#
# SPDX-License-Identifier: EUPL-1.2

{
  config,
  pkgs,
  lib,
  ...
}:
let
  cfg = config.dgn-chatops;
  inherit (lib) mkEnableOption mkIf;
  python3 = pkgs.python311;
  python3Pkgs = python3.pkgs;
  ircrobots = python3Pkgs.callPackage ./ircrobots.nix { };
  tortoise-orm = python3Pkgs.callPackage ./tortoise-orm.nix { };
  ps = python3Pkgs.makePythonPath [
    ircrobots
    tortoise-orm
    python3Pkgs.aiohttp
  ];
in
{
  options.dgn-chatops = {
    enable = mkEnableOption "the ChatOps layer";
  };

  # Our ChatOps bot.
  config = mkIf cfg.enable {
    systemd.services.irc-takumi = {
      description = "DGNum IRC automation bot, Takumi";
      wantedBy = [ "multi-user.target" ];
      after = [ "network.target" ];
      environment = {
        PYTHONPATH = ps;
      };
      serviceConfig = {
        RuntimeDirectory = "takumi";
        StateDirectory = "takumi";
        DynamicUser = true;
        ExecStart = "${lib.getExe python3} ${./takumi.py}";
      };
    };
  };
}