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let
  username = "jolheiser";
  key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM7cgpIUaEY3q12xBct9a0gIl7rdckBBPsWQea7Wtj7P";
in
{
  imports = [
    ./beszel.nix
    ./homeassistant.nix
    ./hardware.nix
  ];

  boot.loader.grub = {
    enable = true;
    device = "/dev/sda";
    useOSProber = true;
  };

  networking = {
    hostName = "jasmine"; # Define your hostname.
    networkmanager.enable = true;
    firewall.enable = true;
  };

  time.timeZone = "America/Chicago";

  i18n.defaultLocale = "en_US.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  services.xserver = {
    enable = true;
    displayManager.lightdm.enable = true;
    desktopManager.xfce.enable = true;
    layout = "us";
    xkbVariant = "";
  };

  services = {
    tailscale = {
      enable = true;
      useRoutingFeatures = "server";
      extraSetFlags = [ "--advertise-exit-node" ];
    };
    openssh.enable = true;
    fail2ban.enable = true;
  };

  users.users = {
    "${username}" = {
      isNormalUser = true;
      extraGroups = [
        "networkmanager"
        "wheel"
      ];
      openssh.authorizedKeys.keys = [ key ];
    };
    "root".openssh.authorizedKeys.keys = [ key ];
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  nix = {
    gc = {
      automatic = true;
      randomizedDelaySec = "15m";
    };
    optimise.automatic = true;
    settings = {
      trusted-users = [
        "@sudo"
        "@wheel"
        "jolheiser"
      ];
      experimental-features = [
        "flakes"
        "nix-command"
      ];
    };
  };

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "23.11"; # Did you read the comment?

}