{ self
, utils
, nixpkgs
, nixpkgs-unstable
, nixos-generators
, sops-nix
, ...
} @inputs:

# filter i686-liux from defaultSystem to run nix flake check successfully
let filter_system = name: if name == utils.lib.system.i686-linux then false else true;
in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems) ( system:
  let
    pkgs-unstable = nixpkgs-unstable.legacyPackages."${system}";
    pkgs = nixpkgs.legacyPackages."${system}";
  in
  {
    devShells.default = pkgs.callPackage ./shell.nix {
      inherit (sops-nix.packages."${pkgs.system}") sops-import-keys-hook ssh-to-pgp sops-init-gpg-key;
    };
  })) // rec {
    nixosConfigurations = import ./machines/configuration.nix (inputs // {
      inherit inputs;
    });

    images.rpi1_base_image = nixosConfigurations.rpi1_base_image.config.system.build.sdImage;
    packages.x86_64-linux = {

      lucia_base_img = nixos-generators.nixosGenerate {
        system = "aarch64-linux";
        modules = [
          ./machines/modules/sshd.nix
          {
            networking.networkmanager.enable = true;
          }
        ];
        format = "sd-aarch64-installer";
      };
    };
}