# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).
{
  pkgs,
  inputs,
  config,
  hostname,
  ...
}:
{
  nix = {
    settings = {
      experimental-features = [
        "nix-command"
        "flakes"
      ];
      trusted-users = [
        "root"
        "@wheel"
      ];
      substituters = [
        "https://devenv.cachix.org"
        "https://cosmic.cachix.org"
      ];
      trusted-public-keys = [
        "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
        "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
      ];
    };
  };

  nixpkgs = {
    config = {
      allowUnfree = true;
    };
    overlays = [
      inputs.catppuccin-vsc.overlays.default
      inputs.nur.overlays.default
      inputs.gauntlet.overlays.default
    ];
  };

  # install the most recent stable linux kernel
  /*
    TODO: change this back to 'pkgs.linuxPackages_latest' once
    https://github.com/NixOS/nixpkgs/commit/c805021f3a95da44a1811f1235b997f57d893dc3
    and https://github.com/NixOS/nixpkgs/pull/375838
    trickle down to nixos-unstable
  */
  boot.kernelPackages = pkgs.linuxPackages_6_12;

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  # boot.loader.grub = {
  #   enable = true;
  #   efiSupport = true;
  #   device = "nodev";
  #   theme = pkgs.catppuccin-grub;
  #   extraEntries = ''
  #     menuentry "Firmware Setup" --class menu {
  #       fwsetup
  #     }
  #   '';
  #   extraFiles = {
  #     "theme/icons/menu.png" = "/etc/nixos/assets/img/grub/menu.png";
  #   };
  # };
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = hostname; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Enable networking
  networking.networkmanager.enable = true;

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

  # 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";
  };

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

  # Add /etc/current-system-packages
  environment.etc."current-system-packages".text =
    let
      packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
      sortedUnique = builtins.sort builtins.lessThan (pkgs.lib.lists.unique packages);
      formatted = builtins.concatStringsSep "\n" sortedUnique;
    in
    formatted;

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

  # Enable sound with pipewire.
  services.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.cswimr = {
    isNormalUser = true;
    hashedPasswordFile = config.sops.secrets."users/cswimr/password".path;
    description = "Seaswimmer";
    extraGroups = [
      "networkmanager"
      "wheel"
      "docker"
      "gamemode"
    ];
    openssh = {
      authorizedKeys.keys = [
        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILOka7plvb0hAwDq04mb+hs+a+P3XDhyYyvhw1L5tvlz cswimr@eclipse"
      ];
    };
    # packages = with pkgs; []; use home-manager instead!
  };

  # 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;
    enableExtraSocket = true; # VSCode devcontainers require this
  };
  programs.ssh = {
    startAgent = true;
    extraConfig = ''
      AddKeysToAgent yes
      IdentityFile ~/.ssh/id_ed25519
    '';
  };

  # PAM modules
  security.pam = {
    loginLimits = [
      {
        domain = "*";
        type = "soft";
        item = "nofile";
        value = 8192;
      }
    ];
  };

  # 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 = "24.05"; # Did you read the comment?

}