{
  lib,
  config,
  ...
}:
with lib;
let
  wmMeta = config.addons.desktop.wmMeta;

  # Gets all the vm's that are enabled and checks which protocols are used
  enabledWMs = (filter (wm: wm.enable) (attrValues wmMeta));
  protos = (unique (map (wm: wm.protocol) enabledWMs));
  desktopEnabled = protos != [ ];
  x11Enabled = elem "x11" protos;
  waylandEnabled = elem "wayland" protos;

in
{
  imports = [
    ./common.nix
    ./x11.nix
    ./wayland.nix
    ./wms
    ./steam.nix
  ];
  options.addons.desktop = with types; {
    wmMeta = mkOption {
      type = attrsOf (submodule {
        options = {
          enable = mkOption {
            type = bool;
            default = false;
          };
          protocol = mkOption {
            type = str;
            description = "Used display protocol (x11 or wayland)";
          };
        };
      });
      default = { };
      description = "Window manager metadata used for determining which protocol to enable.";
    };

    # enable = lib.mkEnableOption "Whenever any desktop environment is enabled.";
    # x11.enable = lib.mkEnableOption "Whenever x11 desktop environment is enabled.";
    # wayland.enable = lib.mkEnableOption "Whenever wayland desktop environment is enabled.";
  };

  config.addons.desktop = {
    enable = desktopEnabled;
    x11.enable = x11Enabled;
    wayland.enable = waylandEnabled;
  };
}