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

let
  cfg = config.modules.system.tailscale;
  authkey_file = "/run/secrets/tailscale_authkey";
in
{
  options.modules.system.tailscale = {
    enable = lib.mkEnableOption "enables tailscale";
  };

  config = lib.mkIf cfg.enable {
    services.tailscale = {
      enable = true;
      useRoutingFeatures = "both";
      authKeyFile = authkey_file;
    };
  };
}