{
  inputs,
  lib,
  pkgs,
  userName,
  ...
}:
let
  jsonSchemes = pkgs.stdenv.mkDerivation {
    name = "fromYAML";
    phases = "buildPhase";
    buildPhase = ''
      mkdir -p $out/
      #for FILE in ${pkgs.base16-schemes}/share/themes/*; do
      FILE=${pkgs.base16-schemes}/share/themes/catppuccin-mocha.yaml
      FILEBASENAME="$(basename $FILE .yaml).json"
      cat $FILE | ${pkgs.yaml2json}/bin/yaml2json | sed s/#//g > $out/$FILEBASENAME
      #done
      ls -l $out/
    '';
  };

  json2Palette =
    jsonScheme: (builtins.fromJSON (builtins.readFile "${jsonSchemes}/${jsonScheme}.json")).palette;

  font = {
    package = pkgs.nerd-fonts.caskaydia-cove;
    name = "CaskaydiaCove Nerd Font";
  };

  emojiFont = {
    package = pkgs.dejavu_fonts;
    name = "DejaVu Sans Mono";
  };

  makeTheme =
    jsonScheme: polarity:
    let
      palette = json2Palette jsonScheme;
    in
    {
      enable = true;
      base16Scheme.palette = palette;
      inherit polarity;
      fonts = {
        emoji = emojiFont;
        monospace = font;
        sansSerif = font;
        serif = font;
      };
      image =
        let
          wallpaper = inputs.nix-wallpaper.packages.${pkgs.stdenv.hostPlatform.system}.default.override {
            width = 2560;
            height = 1440;
            backgroundColor = "#${palette.base00}";
            logoColors = {
              color0 = "#${palette.base0D}";
              color1 = "#${palette.base0D}";
              color2 = "#${palette.base0D}";
              color3 = "#${palette.base0D}";
              color4 = "#${palette.base0D}";
              color5 = "#${palette.base0D}";
            };
          };

        in
        "${wallpaper}/share/wallpapers/nixos-wallpaper.png";
    };

in
{
  #stylix = makeTheme "catppuccin-mocha" "dark";

  #specialisation = {
  #  catppuccin-mocha.configuration.stylix = lib.mkForce (makeTheme "catppuccin-mocha" "dark");
  #  catppuccin-latte.configuration.stylix = lib.mkForce (makeTheme "catppuccin-latte" "light");
  #  gruvbox-dark-hard.configuration.stylix = lib.mkForce (makeTheme "gruvbox-dark-hard" "dark");
  #  heetch.configuration.stylix = lib.mkForce (makeTheme "heetch" "dark");
  #};

  stylix =
    let
      palette = {
        base00 = "11111a"; # #11111a
        base01 = "181825"; # #181825
        base02 = "313244"; # #313244
        base03 = "45475a"; # #45475a
        base04 = "585b70"; # #585b70
        base05 = "cdd6f4"; # #cdd6f4
        base06 = "f5e0dc"; # #f5e0dc
        base07 = "b4befe"; # #b4befe
        base08 = "f38ba8"; # #f38ba8
        base09 = "fab387"; # #fab387
        base0A = "f9e2af"; # #f9e2af
        base0B = "a6e3a1"; # #a6e3a1
        base0C = "94e2d5"; # #94e2d5
        base0D = "f5c2e7"; # #f5c2e7
        base0E = "cba6f7"; # #cba6f7
        base0F = "f2cdcd"; # #f2cdcd
      };
      polarity = "dark";
    in
    {
      enable = true;
      base16Scheme.palette = palette;
      inherit polarity;
      fonts = {
        emoji = emojiFont;
        monospace = font;
        sansSerif = font;
        serif = font;
      };
      image =
        let
          wallpaper = inputs.nix-wallpaper.packages.${pkgs.stdenv.hostPlatform.system}.default.override {
            width = 2560;
            height = 1440;
            backgroundColor = "#${palette.base00}";
            logoColors = {
              color0 = "#${palette.base0D}";
              color1 = "#${palette.base0D}";
              color2 = "#${palette.base0D}";
              color3 = "#${palette.base0D}";
              color4 = "#${palette.base0D}";
              color5 = "#${palette.base0D}";
            };
          };

        in
        "${wallpaper}/share/wallpapers/nixos-wallpaper.png";
    };

  #security.sudo.extraConfig = ''
  #  ${userName} ALL = (root) NOPASSWD: /nix/var/nix/profiles/system/specialisation/catppuccin-mocha/bin/switch-to-configuration
  #  ${userName} ALL = (root) NOPASSWD: /nix/var/nix/profiles/system/specialisation/catppuccin-latte/bin/switch-to-configuration
  #  ${userName} ALL = (root) NOPASSWD: /nix/var/nix/profiles/system/specialisation/gruvbox-dark-hard/bin/switch-to-configuration
  #  ${userName} ALL = (root) NOPASSWD: /nix/var/nix/profiles/system/specialisation/heetch/bin/switch-to-configuration
  #'';
}