#<BS> 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,
  ...
}: {
  nixpkgs.config.allowUnfree = true;

  services.flatpak.enable = true;

  nix.settings.experimental-features = ["nix-command" "flakes"];
  programs.hyprland.enable = true;

  programs.fish.enable = true;

  services.tailscale.enable = true;

  services.keyd = {
    enable = true;
    keyboards = {
      default = {
        settings = {
          main = {
            capslock = "escape";
          };
        };
      };
    };
  };

  virtualisation.libvirtd.enable = true;
  programs.virt-manager.enable = true;

  systemd.targets = {
    sleep.enable = false;
    suspend.enable = false;
    hibernate.enable = false;
    hybrid-sleep.enable = false;
  };

  fonts.packages = with pkgs; [
    (nerdfonts.override {fonts = ["FiraCode" "Iosevka"];})
  ];

  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
  ];

  # Enable OpenGL
  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
  };
  services.xserver.videoDrivers = ["nvidia"];

  hardware.nvidia = {
    # Modesetting is required.
    modesetting.enable = true;

    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
    powerManagement.enable = false;
    # Fine-grained power management. Turns off GPU when not in use.
    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
    powerManagement.finegrained = false;

    # Use the NVidia open source kernel module (not to be confused with the
    # independent third-party "nouveau" open source driver).
    # Support is limited to the Turing and later architectures. Full list of
    # supported GPUs is at:
    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
    # Only available from driver 515.43.04+
    # Currently alpha-quality/buggy, so false is currently the recommended setting.
    open = false;

    # Enable the Nvidia settings menu,
    # accessible via `nvidia-settings`.
    nvidiaSettings = true;

    # Optionally, you may need to select the appropriate driver version for your specific GPU.
    package = config.boot.kernelPackages.nvidiaPackages.beta;
    #Fixes a glitch
    nvidiaPersistenced = true;

    #Required for amdgpu and nvidia gpu pairings
    # modesetting.enable = true;

    prime = {
      # offload.enable = true;
      #sync.enable = true;

      amdgpuBusId = "PCI:0f:00.0";

      nvidiaBusId = "PCI:01:00.0";
    };
  };
  # Bootloader.
  #boot.loader.systemd-boot.enable = true;
  #boot.loader.efi.canTouchEfiVariables = true;

  boot.loader = {
    systemd-boot.enable = true;
    efi = {
      canTouchEfiVariables = true;
      # assuming /boot is the mount point of the  EFI partition in NixOS (as the installation section recommends).
      efiSysMountPoint = "/boot";
    };
    # grub = {
    #   enable = true;
    #   device = "/dev/sdb1";
    #   theme = pkgs.nixos-grub2-theme;
    #   useOSProber = true;
    # };
  };

  # 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

  # 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";
  };

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

  # Enable the KDE Plasma Desktop Environment.
  services.xserver.displayManager.sddm.enable = true;
  services.xserver.desktopManager.plasma6.enable = true;

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

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

  # Enable sound with pipewire.
  sound.enable = true;
  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.defaultUserShell = pkgs.fish;
  users.users.nmarks = {
    isNormalUser = true;
    description = "Natalie Marks";
    extraGroups = ["networkmanager" "wheel"];
    # openssh.authorizedKeys.keyFiles = ["~/.ssh/id_ed25519.pub"];
    packages = with pkgs; [
      firefox
      kate
      vim
      discord
      kitty
      lua-language-server
      texlive.combined.scheme-full
      steam-run
      #  thunderbird
    ];
  };

  programs.neovim = {
    enable = true;
    defaultEditor = true;
  };
  environment.variables.EDITOR = "nvim";

  # Allow unfree packages
  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    fish
    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
    wget
    git
    unzip
    ripgrep
    clang_14
    fd
    cargo
    python3
    python311Packages.pynvim
    python311Packages.pip
    steam
    ruby
    julia
    xclip
    nodePackages.npm
    go
    tailscale
    ethtool
    grub2
  ];

  # 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;

  networking = {
    hostName = "nixos"; # Define your hostname.
    # wireless.enable = true; # Enables wireless support via wpa_supplicant.
    networkmanager.enable = true;
    firewall = {
      allowedTCPPorts = [22];
      enable = true;
    };
    interfaces.enp11s0.wakeOnLan = {
      enable = true;
      policy = ["magic"];
    };
  };

  programs.nix-ld.enable = true;

  # "minimum" amount of libraries needed for most games to run without steam-run
  programs.nix-ld.libraries = with pkgs; [
    # common requirement for several games
    stdenv.cc.cc.lib

    # from https://github.com/NixOS/nixpkgs/blob/nixos-23.05/pkgs/games/steam/fhsenv.nix#L72-L79
    xorg.libXcomposite
    xorg.libXtst
    xorg.libXrandr
    xorg.libXext
    xorg.libX11
    xorg.libXfixes
    libGL
    libva

    # from https://github.com/NixOS/nixpkgs/blob/nixos-23.05/pkgs/games/steam/fhsenv.nix#L124-L136
    fontconfig
    freetype
    xorg.libXt
    xorg.libXmu
    libogg
    libvorbis
    SDL
    SDL2_image
    glew110
    libdrm
    libidn
    tbb
    zlib
    alsa-lib
    at-spi2-atk
    at-spi2-core
    atk
    cairo
    cups
    curl
    dbus
    expat
    fontconfig
    freetype
    fuse3
    gdk-pixbuf
    glib
    gtk3
    icu
    libGL
    libappindicator-gtk3
    libdrm
    libglvnd
    libnotify
    libpulseaudio
    libunwind
    libusb1
    libuuid
    libxkbcommon
    libxml2
    mesa
    nspr
    nss
    openssl
    pango
    pipewire
    stdenv.cc.cc
    systemd
    vulkan-loader
    xorg.libX11
    xorg.libXScrnSaver
    xorg.libXcomposite
    xorg.libXcursor
    xorg.libXdamage
    xorg.libXext
    xorg.libXfixes
    xorg.libXi
    xorg.libXrandr
    xorg.libXrender
    xorg.libXtst
    xorg.libxcb
    xorg.libxkbfile
    xorg.libxshmfence
    zlib
  ];
  # Open ports in the firewall.
  # 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 = "23.05"; # Did you read the comment?
}