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

{
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
    ../../../modules/sops.nix
  ];

  networking.hostName = "iris";

  system.nixos.tags = let
    cfg = config.boot.loader.raspberry-pi;
  in [
    "raspberry-pi-${cfg.variant}"
    cfg.bootloader
    config.boot.kernelPackages.kernel.version
  ];

  boot.loader.grub.enable = false;
  boot.loader.raspberry-pi.bootloader = "kernel";

  environment.systemPackages = with pkgs; [
    swiftpm
    (python3.withPackages (ps: with ps; [ gpiozero rpi-gpio ]))
  ];
  services.udev.extraRules = ''
    SUBSYSTEM=="gpio", KERNEL=="gpiochip*", GROUP="gpio", MODE="0660"
    SUBSYSTEM=="gpiomem", GROUP="gpio", MODE="0660"
  '';

  nix.settings = {
    substituters = [
      "https://nixos-raspberrypi.cachix.org"
    ];
    trusted-public-keys = [
      "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
    ];
  };

  users.groups.gpio = {};
  users.users.nyxerinys.extraGroups = [ "gpio" ];

  boot.supportedFilesystems.zfs = false;
  boot.initrd.availableKernelModules = [ "usbhid" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ ];
  boot.extraModulePackages = [ ];

  fileSystems."/" = { 
    device = "/dev/disk/by-label/NIXOS_SD";
    fsType = "ext4";
  };

  fileSystems."/boot/firmware" = {
    device = "/dev/disk/by-label/FIRMWARE"; 
    fsType = "vfat";
    options = [
      "nofail"
      "fmask=0077"
      "dmask=0077"
      "flush"
    ];
  };

  swapDevices = [{
    device = "/swapfile";
    size = 8 * 1024; # Adjust size in MiB as needed
  }];

  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
}