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

    options.sysconfig.opts.dynamicDNS.enable = lib.options.mkOption {

        type = lib.types.bool;
        default = false;
    };

    config = lib.mkIf config.sysconfig.opts.dynamicDNS {

        systemd.timers.dynamicDNS = {
            
            wantedBy = [ "timers.target" ];

            timerConfig = {

                OnBootSec = "5m";
                
                OnUnitActiveSec = "1h";

                Unit = "dynamicDNS.service";
            };
        };

        systemd.services.dynamicDNS = {

            name = "dynamicDNS.service";

            serviceConfig = {

                Type = "oneshot";

                LoadCredential = [ "cloudflare-api-key" ];

            };

            script = '''';
        };
    };
}