toplevel @ {
  inputs,
  withSystem,
  ...
}: let
  system = "x86_64-linux";
  mods = toplevel.config.flake.nixosModules;
  hardwareConfigurations = toplevel.config.flake.hardwareConfigurations;
  essential = with mods; [grub base shell security wireless intranet];
  desktop = with mods; [sound wayland];
  configWithModules = {
    hardware ? {nixpkgs.hostPlatform = system;},
    modules,
  }:
    withSystem system (ctx @ {
      config,
      inputs',
      pkgs,
      ...
    }:
      inputs.nixpkgs.lib.nixosSystem {
        specialArgs = {
          inherit inputs inputs' pkgs;
          packages = config.packages;
        };
        modules = [hardware] ++ modules;
      });
  novaConfig = mods:
    configWithModules {
      hardware = hardwareConfigurations.nova;
      modules = essential ++ desktop ++ mods;
    };
in {
  flake.nixosConfigurations = {
    nova = novaConfig [mods.ivand];
    nova-music = novaConfig (with mods; [ivand music]);
    nova-crypto = novaConfig (with mods; [ivand cryptocurrency]);
    nova-nonya = novaConfig (with mods; [ivand anon cryptocurrency]);
    nova-ai = novaConfig (with mods; [ivand ai]);
    install-iso = configWithModules {modules = with mods; [grub base shell wireless];};
    vps = configWithModules {modules = with mods; [base shell security vps mailserver nginx wireguard-output anonymous-dns firewall rest];};
    stara-miner = configWithModules {modules = essential ++ [mods.monero-miner];};
  };
}