nix/lib/default.nix

{ self, inputs, outputs, stateVersion, hmStateVersion , ... }: {
  deploy = {
    hostname, 
    system    ? "x86_64-linux", 
    username  ? "albert"
  }: {
    user = "root";
    sshUser = "${username}";
    hostname = "${hostname}";
    sshOpts = [ "-A" "-q"];

    profiles = {
      system.path = inputs.deploy-rs.lib.${system}.activate.nixos self.nixosConfigurations.${hostname};
      home-manager.path = inputs.deploy-rs.lib.${system}.activate.home-manager self.homeConfigurations."${username}@${hostname}";
      home-manager.user = "${username}";
    };
  };

  # Helper function for generating home-manager configs
  mkHome = { 
    hostname, 
    username ? "albert",
    desktop  ? null, 
    system   ? "x86_64-linux", 
    theme    ? "stylix",
    type     ? "default"
  }: inputs.home-manager.lib.homeManagerConfiguration {
    pkgs = inputs.nixpkgs.legacyPackages.${system};
    extraSpecialArgs = { inherit inputs outputs desktop hostname system username hmStateVersion theme; };
    modules = [ 
      ../home-manager/${type}.nix
    ];
  };

  # Helper function for generating host configs
  mkHost = { 
    hostname, 
    username  ? "albert",
    desktop   ? null, 
    gpu       ? null, 
    system    ? "x86_64-linux", 
    theme     ? "stylix",
    type      ? "default",
    repo      ? "nixpkgs",
    unfree    ? false
  }: 
    let 
    pkgs = import inputs.${repo} { 
      inherit system; 
      config.allowUnfree = unfree; 
      hostPlatform = system;
    };
    unstable-pkgs = import inputs.nixpkgs-unstable {
      inherit system;
      config.allowUnfree = unfree;
      hostPlatform = system;
    };
  in {
    inputs.${repo}.lib.nixosSystem {
      specialArgs = { inherit inputs outputs desktop hostname username stateVersion gpu system theme; };
      modules = [
        # Types are 'default', 'small', and 'minimal'
        ../nixos/${type}.nix
        inputs.sops-nix.nixosModules.sops
        inputs.lanzaboote.nixosModules.lanzaboote
      ];
    };
  };

  # Combines mkHost and mkHome for image building
  mkImage = {
    hostname  , 
    username  ? "albert",
    desktop   ? null, 
    system    ? "x86_64-linux",
    gpu       ? null, 
    theme     ? "stylix",
    format
  }: inputs.nixos-generators.nixosGenerate {
    specialArgs = { inherit inputs outputs desktop hostname username stateVersion hmStateVersion gpu system theme format; };
    system = system;
    format = format;

    modules = [
      ../nixos
      ../nixos/common/modules/installer.nix
      inputs.sops-nix.nixosModules.sops
      inputs.lanzaboote.nixosModules.lanzaboote
      inputs.home-manager.nixosModules.home-manager {
        home-manager.extraSpecialArgs  = { inherit inputs outputs desktop hostname username hmStateVersion stateVersion gpu system theme format; };
        home-manager.users."${username}" = import ../home-manager;
      }
    ];
  };

  # Small version
  mkMinImage = {
    hostname  , 
    username  ? "albert",
    desktop   ? null, 
    system    ? "x86_64-linux",
    gpu       ? null, 
    theme     ? "stylix",
    format
  }: 
  inputs.nixos-generators.nixosGenerate {
    specialArgs = { inherit inputs outputs desktop hostname username stateVersion hmStateVersion gpu system theme format; };
    system = system;
    format = format;

    modules = [
      ../nixos/minimal.nix
      ../nixos/common/modules/installer.nix
      inputs.sops-nix.nixosModules.sops
    ];
  };

  forAllSystems = inputs.nixpkgs.lib.genAttrs [
    "aarch64-linux"
    "x86_64-linux"
  ];
}