{
  description = "NixOS configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager/release-23.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland.url = "github:hyprwm/Hyprland";
  };

  # outputs = { self, nixpkgs }: {
  outputs = { self, nixpkgs, nixpkgs-unstable, home-manager, hyprland, ... }: let

    system = "x86_64-linux";
       
    defFlakeSystem = baseCfg: nixpkgs.lib.nixosSystem {
    # defFlakeSystem = nixpkgs.lib.nixosSystem {
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        };
        unstable = import nixpkgs-unstable {
          inherit system;
          config.allowUnfree = true;
        };
        modules = [({ ... }: {
          imports = [
            baseCfg
            home-manager.nixosModules.home-manager {
              # home-manager.useGlobalPkgs = true;
              home-manager.useUserpackages = true;
              # home-manager.users.defin = import ./home-manager/home.nix { inherit pkgs unstable; };
              home-manager.users.defin = import ./home-manager/home.nix;
              # Optionally, use home-manager.extraSpecialArgs to pass
              # arguments to home.nix
            }
          ];
          # Let 'nixos-version --json' know the Git revision of this flake.
          system.configurationRevision = nixpkgs.lib.mkIf (self ? rev) self.rev;
          nix.registry.nixpkgs.flake = nixpkgs;
        })];
    };
  in {

    nixosConfigurations = {
      zenbook = defFlakeSystem {
        inherit system;
        modules = [
          ./machines/zenbook/configuration.nix
          
          ./hardware-configuation.nix

          # Default users
          ./modules/user-profiles/defin.nix

          hyprland.homeManagerModules.default
          {wayland.windowManager.hyprland.enable = true;}
          ./modules/hyprland.nix

          ./modules/bluetooth.nix
          ./modules/environment.nix
          ./modules/kde-connect.nix
          ./modules/nix-common.nix
          ./modules/services.nix
          ./modules/sway.nix

          
        ];
      };
    };
  };
}