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

let
  hostname = config.networking.hostName or "traveldroid";

  # Asset paths
  themeSrc = "${flakeRoot}/assets/traveldroid/theming/boot";
in
{
  #################################
  # Bootloader (UEFI + GRUB)
  #################################
  boot.loader = {
    efi = {
      canTouchEfiVariables = true;
      efiSysMountPoint = "/boot";
    };

    grub = {
      enable = true;
      efiSupport = true;
      device = "nodev";
      useOSProber = true;

      # 🔥 IMPORTANT for menu updates
      configurationLimit = 10;

      # Theme + background
      splashImage = "/boot/grub/themes/droidnix/background.png";
      extraConfig = ''
        set theme=/boot/grub/themes/droidnix/theme.txt
      '';
    };

    timeout = 5;
  };

  #################################
  # Copy GRUB theme assets
  #################################
  environment.etc = {
    # Copy theme into /boot (via activation)
    "grub/themes/droidnix/background.png".source =
      "${themeSrc}/background.png";

    "grub/themes/droidnix/theme.txt".source =
      "${themeSrc}/theming.txt";
  };

  #################################
  # Kernel / initrd
  #################################
  boot.kernelPackages = pkgs.linuxPackages_latest;

  boot.kernelParams = [
    "quiet"
    "splash"
    "udev.log_level=3"
    "rd.systemd.show_status=false"
  ];

  boot.consoleLogLevel = 0;

  boot.initrd.systemd.enable = true;
  boot.initrd.availableKernelModules = [
    "xhci_pci"
    "nvme"
    "usb_storage"
    "sd_mod"
    "rtsx_usb_sdmmc"
  ];

  boot.kernelModules = [ "kvm-intel" ];

  #################################
  # Plymouth
  #################################
  boot.plymouth = {
    enable = true;
    theme = "rings";
    themePackages = [
      (pkgs.adi1090x-plymouth-themes.override {
        selected_themes = [ "rings" ];
      })
    ];
  };

  #################################
  # CPU / platform
  #################################
  hardware.cpu.intel.updateMicrocode =
    lib.mkDefault config.hardware.enableRedistributableFirmware;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";

  #################################
  # State version
  #################################
  system.stateVersion = "26.05";
}