# 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, pkgs-stable, ... }:

{  
  # boot.kernelPackages = pkgs.linuxPackages_zen;

  # Use the systemd-boot EFI boot loader.
  # NOT! Let's use GRUB instead
  # https://nixos.org/manual/nixos/stable/#sec-installation
  # boot.loader.efi.efiSysMountPoint = "/boot";
  boot.loader.systemd-boot.enable = false;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub = {
    enable = true;
    device = "nodev";
    efiSupport = true;
    theme = "${pkgs.fetchFromGitHub {
      owner = "catppuccin";
      repo = "grub";
      rev = "803c5df0e83aba61668777bb96d90ab8f6847106";
      hash = "sha256-/bSolCta8GCZ4lP0u5NVqYQ9Y3ZooYCNdTwORNvR7M0=";
    }}/src/catppuccin-macchiato-grub-theme/";
    efiInstallAsRemovable = false;
    # useOSProber = true;
    extraEntries =
    ''
    menuentry 'Windows 10' --class windows --class os {
      insmod part_gpt
      insmod fat
      set root='hd0,gpt4'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4 8D94-2A4E
      else
        search --no-floppy --fs-uuid --set=root 8D94-2A4E
      fi
      chainloader /EFI/Microsoft/Boot/bootmgfw.efi
    }
    menuentry 'Ventoy' {
      insmod part_gpt
      insmod fat
      # set root='hd0,gpt4'
      # if [ x$feature_platform_search_hint = xy ]; then
      #   search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4 BDAD-470D
      # else
      #   search --no-floppy --fs-uuid --set=root BDAD-470D
      # fi
      search --no-floppy --fs-uuid --set=root BDAD-470D
      chainloader /EFI/BOOT/BOOTX64.EFI
    }
    '';
  };

  
  boot.tmp.cleanOnBoot = true;

  # NTFS support

  boot.supportedFilesystems = [ "ntfs" ]; 

  # btrfs options
  fileSystems = {
    "/".options = [ "compress=zstd" ];
    "/home".options = [ "compress=zstd" ];
    "/nix".options = [ "compress=zstd" "noatime" ];
  };

  boot.kernel.sysctl."kernel.sysrq" = 244;

  boot.plymouth = {
    enable = true;
    themePackages = [ (pkgs.catppuccin-plymouth.override { variant = "macchiato"; }) ];
    theme = "catppuccin-macchiato";
  };

  boot.initrd.systemd.enable = true;

  # ==[SECURITY]==
  # LUKS options
  # boot.initrd.luks.fido2Support = true;
  boot.initrd.luks.devices = {
    crypted = {
      device = "/dev/disk/by-path/pci-0000:02:00.0-nvme-1";
      header = "/dev/disk/by-partuuid/3c43dda3-6a23-7148-add5-84354a28a59e";
      preLVM = true;
      crypttabExtraOpts = [ "fido2-device=auto" "token-timeout=10s" ];
      # fido2.credential = "";
      # fido2.passwordLess = true;
    };
  };

  # sudo and doas
  security.doas = {
    enable = true;
    extraRules = [{
      users = [ "lgm" ];
      persist = true;
    }];
  };

  # PAM
  security.pam.services = {
    login.u2fAuth = true;
    sudo.u2fAuth = true;
    doas.u2fAuth = true;
  };
  security.pam.u2f = {
    enable = true;
    cue = true;
    interactive = true;
  };


  # Make sure opengl is enabled
  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
    # These extrapackages I added later but it didn't help
    extraPackages = with pkgs; [
      intel-media-driver # LIBVA_DRIVER_NAME=iHD
      vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
      vaapiVdpau
      libvdpau-va-gl
    ];
  };
  # Tell Xorg to use the nvidia driver (also valid for Wayland)
  services.xserver.videoDrivers = ["nvidia"];

  hardware.nvidia = {
    # Modesetting is needed for most Wayland compositors
    modesetting.enable = true;
    # Use the open source version of the kernel module
    # Only available on driver 515.43.04+
    open = false;
    # Enable the nvidia settings menu
    nvidiaSettings = true;
    # Optionally, you may need to select the appropriate driver version for your specific GPU.
    package = config.boot.kernelPackages.nvidiaPackages.stable;
  };
  # NVIDIA

  hardware.nvidia.prime = {
    offload = {
      enable = true;
      enableOffloadCmd = true;
    };

    intelBusId = "PCI:0:2:0";
    nvidiaBusId = "PCI:1:0:0";
  };

  programs.gamemode.enable = true;

  # VirtualBox
  virtualisation.docker.enable = true;
  virtualisation.waydroid.enable = true;
  virtualisation.virtualbox.host.enable = true;
  virtualisation.virtualbox.host.package = pkgs.locked.virtualbox;
  virtualisation.virtualbox.host.enableExtensionPack = true;
  users.extraGroups.vboxusers.members = [ "lgm" ];

  networking.hostName = "lgm-nixos"; # 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 = "Europe/Volgograd";

  # 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.
  # };

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

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

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


  # Enable the Plasma 5 Desktop Environment.
  services.xserver.displayManager.sddm.enable = true;

  # Didn't like, the theme is a bit buggy
  # services.xserver.displayManager.sddm.theme = "${pkgs.fetchFromGitHub {
  #     owner = "catppuccin";
  #     repo = "sddm";
  #     rev = "7fc67d1027cdb7f4d833c5d23a8c34a0029b0661";
  #     hash = "sha256-SjYwyUvvx/ageqVH5MmYmHNRKNvvnF3DYMJ/f2/L+Go=";
  #   }}/src/catppuccin-latte/";

  services.xserver.desktopManager.plasma5.enable = true;
  services.xserver.displayManager.defaultSession = "plasmawayland";

  # programs.command-not-found.enable = false;
  # programs.nix-index.enable = true;
  

  # fish
  programs.fish = {
    enable = true;
  };
  
  # KDE Programs 
  programs.partition-manager.enable = true;
  programs.kdeconnect.enable = true;

  programs.adb.enable = true;

  # Steam
  programs.steam = {
    enable = true;
    remotePlay.openFirewall = true;
#     dedicatedServer.openFirewall = true;
  };

  # Configure keymap in X11
  # services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e,caps:escape";

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

  # Enable sound.
  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.users.lgm = {
    isNormalUser = true;
    description = "lgm";
    extraGroups = [ "networkmanager" "wheel" "adbusers" "docker"];
    shell = pkgs.fish;
  };

  nixpkgs.config.allowUnfree = true;

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

  # OnlyKey
  hardware.onlykey.enable = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    git
    git-crypt
    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
    wget
    curl
    python3
    # more stuff
    gnome-network-displays
    miraclecast
    parted
    exfatprogs
    gparted
    tmux
    # graalvm17-ce
    distrobox

    (let base = pkgs.appimageTools.defaultFhsEnvArgs; in
      pkgs.buildFHSUserEnv (base // {
      name = "fhs";
      targetPkgs = pkgs: (
        (base.targetPkgs pkgs) ++ [
          pkg-config
          ncurses
        ]
      );
      profile = "export FHS=1";
      runScript = "bash";
      extraOutputsToInstall = ["dev"];
    }))
  ];

  fonts.packages = with pkgs; [
    noto-fonts
    noto-fonts-cjk
    noto-fonts-emoji
  ];

  environment.variables.EDITOR = "vim";
  environment.variables.FLAKE = "/home/lgm/nixos-cfg?submodules=1";

  # 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;
  };
  programs.ssh.startAgent = true;

  zramSwap = {
    enable = true;
    # swapDevices = 2;
  };

  # List services that you want to enable:
  # services.peroxide.enable = true;

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

  # Open ports in the firewall.
  networking.firewall.trustedInterfaces = [ "p2p-wl+" ];
  networking.firewall.allowedTCPPorts = [ 5900 5905 7236 7250 ];
  networking.firewall.allowedUDPPorts = [ 5900 5905 7236 5353 ];
  # 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 = "23.05"; # Did you read the comment?

}