{ pkgs, lib, config, ... }:

let
  cfg = config.services.glados;
  ownerArgs = list: toString (map (id: "--owner ${id}") list);
  enableDataCollector =
    if cfg.dataCollector.enable then "--enable-data-collector" else "";

in {
  options.services.glados = {
    enable = lib.mkEnableOption "GLaDOS systemd service";

    dataCollector.enable =
      lib.mkEnableOption "Enable Minecraft -> InfluxDB data collector";

    envFile = lib.mkOption {
      type = lib.types.str;
      description = "Path to the environment configuration";
      example = "/run/secrets/my-env";
    };
  };

  config = lib.mkIf cfg.enable {
    systemd.services.glados = {
      wantedBy = [ "default.target" ];
      requires = [ "network-online.target" ];
      after = [ "network-online.target" ];
      serviceConfig = {
        ExecStart =
          "${pkgs.glados}/bin/glados --state $STATE_DIRECTORY/state.yml ${enableDataCollector}";
        EnvironmentFile = "${cfg.envFile}";
        Environment = "RUST_LOG=warn";
        StateDirectory = "glados";
        Restart = "always";
      };
    };
  };
}