{
  config,
  lib,
  nixpkgs,
  ...
}:

let
  domain = "netbird.dgnum.eu";

  s = name: config.age.secrets.${name}.path;
in
{
  services = {
    netbird.server = {
      enable = true;

      package = nixpkgs.nixos.unstable.netbird;

      inherit domain;

      enableNginx = true;

      coturn.enable = lib.mkForce false;

      relay = {
        environmentFile = s "netbird-relay_environment_file";
        metricsPort = 9094;
      };

      dashboard = {
        settings = {
          AUTH_AUTHORITY = "https://sso.dgnum.eu/oauth2/openid/dgn_netbird";
          AUTH_AUDIENCE = "dgn_netbird";
          AUTH_CLIENT_ID = "dgn_netbird";
        };
      };

      management = {
        oidcConfigEndpoint = "https://sso.dgnum.eu/oauth2/openid/dgn_netbird/.well-known/openid-configuration";

        dnsDomain = "dgnum";

        metricsPort = 9092;

        settings = {
          DataStoreEncryptionKey._secret = s "netbird-data_store_encryption_key_file";

          PKCEAuthorizationFlow.ProviderConfig = {
            Audience = "dgn_netbird";
            ClientID = "dgn_netbird";
            AuthorizationEndpoint = "https://sso.dgnum.eu/ui/oauth2";
            TokenEndpoint = "https://sso.dgnum.eu/oauth2/token";
          };

          IdpManagerConfig.ClientConfig.ClientID = "dgn_netbird";

          DeviceAuthorizationFlow = {
            Provider = "none";
            ProviderConfig = {
              Audience = "dgn_netbird";
              ClientID = "dgn_netbird";
            };
          };

          Relay = {
            Addresses = [ "rels://${domain}:443" ];
            CredentialsTTL = "24h";
            Secret._secret = s "netbird-relay_secret_file";
          };
        };
      };
    };

    nginx.virtualHosts.${domain} = {
      enableACME = true;
      forceSSL = true;
    };
  };

  dgn-backups.jobs.netbird.settings.paths = [ "/var/lib/netbird-mgmt" ];
}