#
#  These are the different profiles that can be used when building NixOS.
#
#  flake.nix
#   └─ ./hosts
#       ├─ default.nix *
#       ├─ configuration_common.nix
#       ├─ configuration_desktop.nix
#       ├─ configuration_server.nix
#       ├─ home.nix
#       └─ ./desktop OR ./laptop OR ./vm
#            ├─ ./default.nix
#            └─ ./home.nix
#

{ lib, inputs, nixpkgs, nixpkgs-unstable, nixos-hardware, home-manager, home-manager-unstable, agenix, jovian-nixos, microvm, impermanence, lanzaboote, ... }:

let
  user = "kabbone";
  location = builtins.getEnv "HOME" + "/.setup";

  system = "x86_64-linux";

  pkgs = import nixpkgs {
    inherit system;
    config.allowUnfree = true;
  };

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

  pkgs-stable = pkgs;

  pkgs-kabbone = import ../packages {
    inherit system;
    inherit pkgs;
  };

  # Helper: returns [hm-module, config-attrset] for the modules list.
  # hm        - the home-manager flake input to use (stable or unstable)
  # hmImports - list of home.nix paths for this host
  mkHM = hm: hmImports: [
    hm.nixosModules.home-manager
    {
      home-manager.useGlobalPkgs = true;
      home-manager.useUserPackages = true;
      home-manager.extraSpecialArgs = { inherit user; };
      home-manager.users.${user}.imports = hmImports;
    }
  ];

in
{
  hades = lib.nixosSystem {                                # Desktop profile
    inherit system;
    specialArgs = { inherit inputs pkgs-stable user location nixos-hardware agenix microvm nixpkgs lanzaboote pkgs-kabbone; };
    modules = [
      agenix.nixosModules.default
      microvm.nixosModules.host
      lanzaboote.nixosModules.lanzaboote
      ./desktop
      ./configuration_desktop.nix
      ../modules/hardware/remoteBuilder.nix
      nixos-hardware.nixosModules.common-cpu-amd
      nixos-hardware.nixosModules.common-gpu-amd
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home.nix ./desktop/home.nix ]);
  };

  lifebook = lib.nixosSystem {                                # Laptop profile
    inherit system;
    specialArgs = { inherit inputs pkgs-stable user location nixos-hardware agenix lanzaboote; };
    modules = [
      agenix.nixosModules.default
      lanzaboote.nixosModules.lanzaboote
      ./lifebook
      ./configuration_desktop.nix
      nixos-hardware.nixosModules.common-cpu-intel
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home.nix ./lifebook/home.nix ]);
  };

  steamdeck = nixpkgs-unstable.lib.nixosSystem {            # steamdeck profile
    inherit system;
    specialArgs = { inherit inputs pkgs-stable user location nixos-hardware agenix jovian-nixos lanzaboote; };
    modules = [
      agenix.nixosModules.default
      jovian-nixos.nixosModules.default
      lanzaboote.nixosModules.lanzaboote
      ./steamdeck
      ./configuration_desktop.nix
    ] ++ (mkHM home-manager-unstable [ ./home.nix ./steamdeck/home.nix ]);
  };

  kabtop = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix impermanence; };
    modules = [
      agenix.nixosModules.default
      microvm.nixosModules.host
      ./kabtop
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-cpu-amd
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./kabtop/home.nix ]);
  };

  nasbak = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix; };
    modules = [
      agenix.nixosModules.default
      ./nasbackup
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-cpu-intel
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./nasbackup/home.nix ]);
  };

  jupiter = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix pkgs-kabbone; };
    modules = [
      agenix.nixosModules.default
      ./jupiter
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-cpu-intel
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./jupiter/home.nix ]);
  };

  kabtopci = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix impermanence; };
    modules = [
      agenix.nixosModules.default
      microvm.nixosModules.host
      ./kabtopci
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./kabtopci/home.nix ]);
  };

  kubemaster-1 = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix impermanence; };
    modules = [
      agenix.nixosModules.default
      microvm.nixosModules.host
      ./kubemaster-1
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-cpu-intel
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./kubemaster-1/home.nix ]);
  };

  dmz = lib.nixosSystem {                                # Server profile
    inherit system;
    specialArgs = { inherit inputs user location nixos-hardware agenix impermanence; };
    modules = [
      agenix.nixosModules.default
      microvm.nixosModules.host
      ./dmz
      ./configuration_server.nix
      nixos-hardware.nixosModules.common-pc-ssd
    ] ++ (mkHM home-manager [ ./home_server.nix ./dmz/home.nix ]);
  };

#  vm = lib.nixosSystem {                                    # VM profile
#    inherit system;
#    specialArgs = { inherit inputs user location; };
#    modules = [
#      ./vm
#      ./configuration.nix
#
#      (mkHM home-manager [ ./home.nix ./vm/home.nix ])
#    ];
#  };
}