{
  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-unstable";
    };

    hyprland.url = "github:hyprwm/Hyprland";
  };

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

  #   system = "x86_64-linux";
       
  #   defFlakeSystem = baseCfg: nixpkgs.lib.nixosSystem {
  #   # defFlakeSystem = nixpkgs.lib.nixosSystem {

  #       pkgs = import nixpkgs {
  #         inherit system;
  #         config.allowUnfree = true;
  #       };
  #       pkgsUnstable = import nixpkgs-unstable {
  #         inherit system;
  #         config.allowUnfree = true;
  #       };

  #       modules = [({ ... }: {
  #         imports = [
  #           baseCfg
  #           home-manager.nixosModules.home-manager
  #           {
  #             # home-manager.useGlobalPkgs = true;
  #             home-manager.useUserpackages = true;
  #           }
  #         ];
  #         # 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 = {

      nixos-zenbook = nixpkgs.lib.nixosSystem {
        modules = [
          ./machines/zenbook/configuration.nix
          
          ./machines/zenbook/hardware-configuration.nix

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

          imports = [ 
            home-manager.nixosModules.home-manager {

              # home-manager.useGlobalPkgs = true;
              home-manager.useUserpackages = true;
              home-manager.users.defin = import ./home-manager/home.nix;

              # Optionally, use home-manager.extraSpecialArgs to pass
              # arguments to home.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

          # # 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;
        ];
      };
    };
  };
}