# 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’).
{
  config,
  pkgs,
  ...
}: {
  imports = [
    # Include the results of the hardware scan.
    /etc/nixos/hardware-configuration.nix
  ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "stardust"; # Define your hostname.
  # Pick only one of the below networking options.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  # networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.

  # Set your time zone.
  time.timeZone = "America/New_York";
  time.hardwareClockInLocalTime = true;

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

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    #keyMap = "us";
    useXkbConfig = true; # use xkbOptions in tty.
  };

  nix.settings.experimental-features = ["nix-command" "flakes"];

  nixpkgs.config.allowUnfree = true;

  environment.variables = {
    GDK_SCALE = "2";
    GDK_DPI_SCALE = "0.5";
    QT_AUTO_SCREEN_SCALE_FACTOR = "1";
    QT_FONT_DPI = "192";
    _JAVA_OPTIONS = "-Dsun.java2d.uiScale=2";
  };

  hardware = {
    opengl.enable = true;
    video.hidpi.enable = true;
  };

  services.autorandr.enable = true;
  services.xserver = {
    # Enable the X11 windowing system.
    enable = true;
    dpi = 192;
    layout = "us";
    xkbOptions = "eurosign:e, compose:menu, caps:escape";
    xrandrHeads = [{output = "DP-0";} {output = "DP-2";}];

    videoDrivers = ["nvidia"];
    wacom.enable = true;

    windowManager = {
      xmonad = {
        enable = true;
        enableContribAndExtras = true;
      };
    };

    displayManager = {
      defaultSession = "none+xmonad";
      lightdm = {
        greeters.enso = {
          enable = true;
          blur = true;
        };
      };

      sessionCommands = ''
        xrander --output DP-0 --mode2560x2880 --pos 0x0 --output DP-2 --mode 2560x2880 --pos 2560x0
      '';
    };
  };

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

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio.enable = true;

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

  # Enable Docker
  virtualisation.docker.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.christian = {
    isNormalUser = true;
    extraGroups = ["wheel" "docker"]; # Enable ‘sudo’ for the user.
    packages = with pkgs; [
      slack
      discord
    ];
  };

  security.sudo.wheelNeedsPassword = false;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    git
    gnupg
    lsof
    pinentry
    sqlite-interactive
    tmux
    vim
    wget
  ];

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

  programs.ssh.startAgent = true;

  services.openssh = {
    enable = true;
    passwordAuthentication = false;
  };

  services.avahi = {
    enable = true;
    publish = {
      enable = true;
      addresses = true;
      workstation = 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;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;

  # 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 = "22.05"; # Did you read the comment?
}