{
  lib,
  pkgs,
  config,
  ...
}:
let
  inherit (lib) mkOption mkIf mkPackageOption types;
in {
  options = {
    type = mkOption {
      type = types.enum [ "klipper" ];
    };

    klipper = {
      klipper-firmware = mkPackageOption pkgs "klipper-firmware" {};

      mcu = mkOption {
        type = types.str;
      };

      firmwareConfig = mkOption {
        type = types.path;
      };

      build = {
        bin = mkOption {
          type = types.path;
          default = "${config.klipper.klipper-firmware.override {
            inherit (config.klipper) mcu firmwareConfig;
          }}/klipper.bin";
        };
        flash = mkOption {
          type = types.functionTo <| types.either types.str types.package;
        };
      };
    };
  };

  config = mkIf (config.type == "klipper") {
  };
}