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

{
  config = lib.mkIf (config.services.powerdns.role == "primary") {
    services.powerdns-admin = {
      enable = false;
      secretKeyFile = "/var/lib/pdns/secret.key";
      saltFile = "/var/lib/pdns/salt";
      extraArgs = [
        "-b"
        "10.10.0.1:8000"
      ];
      config = ''
        SQLALCHEMY_DATABASE_URI = 'postgresql://powerdnsadmin@/pdns?host=/run/postgresql'
        # SAML_ENABLED = True
        # SAML_DEBUG = True
        # SAML_METADATA_URL = 'https://auth.vapor.systems/application/saml/powerdns/metadata/'
        # SAML_METADATA_CACHE_LIFETIME = 1
        # SAML_LOGOUT_URL = 'https://auth.vapor.systems/application/saml/powerdns/slo/binding/redirect/'
        # SAML_SP_ENTITY_ID = 'pdns-admin'
        # SAML_SP_CONTACT_NAME = 'me'
        # SAML_SP_CONTACT_MAIL = 'me'
        # SAML_NAMEID_FORMAT = 'urn:oasis:names:tc:SAML:2.0:nameid-format:persistent'
        # SAML_ATTRIBUTE_USERNAME = 'http://schemas.goauthentik.io/2021/02/saml/username'
        # SAML_ATTRIBUTE_NAME = 'http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name'
        # SAML_ATTRIBUTE_EMAIL = 'http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress'
        # SAML_ATTRIBUTE_GROUP = 'http://schemas.xmlsoap.org/claims/Group'
        # SAML_GROUP_ADMIN_NAME = 'admin'
        # SAML_SIGN_REQUEST = False
        # SAML_ASSERTION_ENCRYPTED = False
        # SAML_WANT_MESSAGE_SIGNED = False
        # SAML_CERT = '/var/lib/pdns/saml.crt'
      '';
    };

    security.acme.certs = {
      "vapor.systems" = {
        extraDomainNames = [ "*.vapor.systems" ];
      };
    };

    services.nginx = {
      enable = true;
      virtualHosts."ns.vapor.systems" =
        self.lib.nginx.proxyDomain "vapor.systems" "http://10.10.0.1:8000";
    };

    systemd.services.powerdns-admin.serviceConfig = {
      BindPaths = [ "/run/postgresql" ];
    };

    services.postgresql = {
      ensureDatabases = [ "pdns" ];
      ensureUsers = [
        {
          name = "pdns";
          # ensurePermissions = { "DATABASE pdns" = "ALL PRIVILEGES"; };
        }
        {
          name = "powerdnsadmin";
          # ensurePermissions = { "DATABASE pdns" = "ALL PRIVILEGES"; };
        }
      ];
    };
  };
}