{ config, lib, pkgs, r6d, ... }:
let
  inherit (lib) mkEnableOption mkTextOption mkIf mkMerge mkOption singleton types;

  # TODO: Anglish :)
  machineOptions = types.submodule {
    options = {

      configuration-flags = types.submodule r6d.config-generator;
      profiles = types.submodule r6d.profiles;

      ipAddress = mkOption {
        description = "Adresse IP";
        type = lib.types.string;
      };
      nix-serve-server = mkEnableOption "nix-serve server";
      nix-serve-client = mkEnableOption "nix-serve client";

      tinc = {
        enable = mkEnableOption "Enable tinc service";
        connectToAddress = mkOption {
          default = "";
          example = "192.168.1.1";
          description = "External address to connect from another node.";
          type = lib.types.string;
        };
        vpnAddress = mkOption {
          example = "192.168.69.69/24";
          description = "VPN local node IP address.";
          type = lib.types.string;
        };
        vpnCidrLength = mkOption {
          default = 24;
          example = 24;
          description = "VPN netmask length.";
          type = lib.types.int;
        };
        extraConfig = mkOption {
          default = "";
          example = ''
              Mode = router
              ConnecTo = bar
          '';
          description = "Configuration supplémentaire pour tinc";
          type = lib.types.string;
        };
      };

      windowsBoot = {
        enable = mkEnableOption "Activation du démarrage de Windows par Grub";
        drive = mkOption {
          description = "Lecteur sur lequel est présent le système Windows (au format GRUB)";
          type = lib.types.string;
          default = "hd0,1";
        };
      };
      windowsMount ={
        enable = mkEnableOption "Montage de la partition data Windows";
        device = mkOption {
          description = "Lecteur sur lequel est présent le disque de data Windows";
          type = lib.types.string;
          default = "/dev/sda2";
        };
      };
    };
  };
in

{
  options = {
    r6d.machines = mkOption {
      type = types.attrsOf machineOptions;
      description = ''
          Machines directory.
      '';
    };
  };
}