{ lib, config, options, pkgs, ... }:

with lib;
let cfg = config.modules.system.boot.grub;
in {
  options.modules.system.boot.grub = {
    enable = mkBoolOpt true;
  };

  config = mkIf cfg.enable {
    boot.loader = {
        grub = {
            enable = true;
            useOSProver = true;
            efiSupport = true;
            fsIdentifier = "label";
            devices = [ "nodev" ];
            extraEntries = ''
                menuentry "Reboot" {
                    reboot
                }
                menuentry "Poweroff" {
                    halt
                }
            '';
            theme = pkgs.stdenv.mkDerivation {
                pname = "distro-grub-themes";
                version = "3.1";
                src = pkgs.fetchFromGitHub {
                    owner = "AdisonCavani";
                    repo = "distro-grub-themes";
                    rev = "v3.1";
                    hash = "sha256-ZcoGbbOMDDwjLhsvs77C7G7vINQnprdfI37a9ccrmPs=";
                };
                installPhase = "cp -r customize/nixos $out";
            };
        };
        efi = {
            canTouchEfiVariables = true;
        };
    };
  };
}