# Config for framework16
{ config, pkgs, lib, ... }:

#... luksOpen /dev/mapper/crypt
#zpool import -f rpool
#mount -t zfs rpool/local/root /mnt
#mkdir -p /mnt/{boot,nix,home,persist,var/lib,var/log}
#mount /dev/nvme0n1p1 /mnt/boot
#mount -t zfs rpool/local/nix /mnt/nix
#mount -t zfs rpool/safe/home /mnt/home
#mount -t zfs rpool/safe/persist /mnt/persist
#mount -t zfs rpool/local/var/lib /mnt/var/lib
#mount -t zfs rpool/local/var/log /mnt/var/log
let
  impermanence = builtins.fetchTarball "https://github.com/nix-community/impermanence/archive/master.tar.gz";
in
{
  imports =
    [
      ./hardware-configuration.nix
      "${impermanence}/nixos.nix"
    ];

  boot = {
    kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
    kernelParams = [ "nohibernate" ];
    supportedFilesystems = [ "zfs" ];
    loader.systemd-boot.enable = true;
    loader.efi.canTouchEfiVariables = true;
    zfs.requestEncryptionCredentials = false;
    zfs.devNodes = "/dev/disk/by-path";
    initrd.luks.devices."crypt".device = "/dev/disk/by-uuid/9f40ebbb-b4b6-42bc-9ae3-493ee933142a";
    initrd.postResumeCommands = lib.mkAfter ''
      zfs rollback -r rpool/local/root@blank
    '';
  };

  fileSystems = {
    "/persist" = {
      device = "rpool/safe/persist";
      fsType = "zfs";
      neededForBoot = true; # Only /persist needs to be marked as needed for boot
    };
  };

  swapDevices = [ {
    device = "/dev/nvme0n1p2"; 
    randomEncryption.enable = true;
  } ];

  networking.hostId = "3294c9a2"; # Required for ZFS
  networking.hostName = "cryochamber";
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  environment.persistence."/persist" = {
    hideMounts = true;
    directories = [
      "/root"
      "/etc/nixos"
      "/etc/ssh"
    ];
    files = [
      "/etc/machine-id"
      #"/etc/nix/id_rsa" # Needed?
    ];
  };
  # Files are not copied to /persist during install, so need to do so manually
  #rsync -azPH /mnt/root/ /mnt/persist/root
  #rsync -azPH /mnt/etc/nixos/ /mnt/persist/etc/nixos
  #rsync -azPH /mnt/etc/ssh/ /mnt/persist/etc/ssh
  #cp /mnt/etc/machine-id /mnt/persist/etc/machine-id

  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "America/Los_Angeles";

  # Select internationalisation properties.
  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";
  };

  virtualisation.docker = {
    enable = true;
    extraOptions = "--storage-driver=overlay2";
  };
  programs.zsh.enable = true;
  services.openssh.enable = true;
  services.openssh.settings.PermitRootLogin = "yes";

  # Enable the X11 windowing system.
  services.xserver.enable = true;

  # Enable the GNOME Desktop Environment.
  services.xserver.displayManager.gdm.enable = true;
  services.xserver.desktopManager.gnome.enable = true;

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "us";
    variant = "";
  };

  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound with pipewire.
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    # If you want to use JACK applications, uncomment this
    #jack.enable = true;

    # use the example session manager (no others are packaged yet so this is enabled by default,
    # no need to redefine it in your config for now)
    #media-session.enable = true;
  };

  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.hunner = {
    isNormalUser = true;
    description = "Hunter Haugen";
    extraGroups = [ "docker" "networkmanager" "wheel" ];
    hashedPassword = "$y$j9T$hLqdzlz7dbJZgUnKs.eo3/$25s/2X18vGtDKj53qD1sn/.Omp/6CBJWbn7d9KAiOK7";
    shell = pkgs.zsh;
    packages = with pkgs; [
    #  thunderbird
    ];
  };

  # Enable automatic login for the user.
  services.displayManager.autoLogin.enable = true;
  services.displayManager.autoLogin.user = "hunner";

  # Workaround for GNOME autologin: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229
  systemd.services."getty@tty1".enable = false;
  systemd.services."autovt@tty1".enable = false;

  # Install firefox.
  programs.firefox.enable = true;

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
  #  wget
    git
    vim
    wget
    curl
    htop
    zfs
    tmux
    docker-compose
  ];

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  # services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # 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 = "24.11"; # Did you read the comment?

}