{
    nixpkgs,
    home-manager,
    specialArgs,
    home-module,
    nixos-modules,
    system,
    inputs
}: let
    username = specialArgs.username;
in
    nixpkgs.lib.nixosSystem {
        inherit system specialArgs;
        modules = [
            ({pkgs, config, ... }: {
                config = {
                nix.settings = {
                    # add binary caches
                    trusted-public-keys = [
                        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
                        #"nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
                    ];
                    substituters = [
                        "https://cache.nixos.org"
                        #"https://nixpkgs-wayland.cachix.org"
                    ];
                };

                # use it as an overlay
                #nixpkgs.overlays = [ specialArgs.inputs.nixpkgs-wayland.overlay ];
                };
            })
            nixos-modules
            inputs.agenix.nixosModules.default
            home-manager.nixosModules.home-manager
            {
                home-manager.useGlobalPkgs = true;
                home-manager.useUserPackages = true;

                home-manager.extraSpecialArgs = specialArgs;
                home-manager.sharedModules = [inputs.catppuccin.homeManagerModules.catppuccin];
                home-manager.users."${username}" = home-module;
            }
        ];
    }