{
  config,
  inputs,
  pkgs,
  ...
}:
let
  username = config.conf.username;
  # at time of using this here, stylix might not be evaluated yet
  # hence ensure it is by using base16 mkSchemeAttrs
  base16 = pkgs.callPackage inputs.base16.lib { };
  scheme = (base16.mkSchemeAttrs config.stylix.base16Scheme);
  # active_colors=#ffc0caf5, #${scheme.base00}, #ff373949, #ff2b2c3b, #ff1a1b26, #ff2b2c3b, #ffc0caf5, #ffc0caf5, #ffc0caf5, #ff1a1b26, #ff1a1b26, #19000000, #ff2b2c3b, #ffc0caf5, #ff3584e4, #ff1b6acb, #ff1a1b26, #ff242530, #ff1a1b26, #ffc0caf5, #ffc0caf5
  # disabled_colors=#ff6d728d, #${scheme.base00}, #ff373949, #ff2b2c3b, #ff1a1b26, #ff2b2c3b, #ff6d728d, #ff6d728d, #ff6d728d, #ff1a1b26, #ff1a1b26, #19000000, #ff2b2c3b, #ff6d728d, #ff3584e4, #ff1b6acb, #ff1a1b26, #ff242530, #ff1a1b26, #ff6d728d, #ff6d728d
  # inactive_colors=#ff6d728d, #${scheme.base00}, #ff373949, #ff2b2c3b, #ff1a1b26, #ff2b2c3b, #ff6d728d, #ff6d728d, #ff6d728d, #ff1a1b26, #ff1a1b26, #19000000, #ff2b2c3b, #ff6d728d, #ff3584e4, #ff1b6acb, #ff1a1b26, #ff242530, #ff1a1b26, #ff6d728d, #ff6d728d
  color = ''
    [ColorScheme]
    active_colors=#ff${scheme.base05}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base00}, #ff${scheme.base05}, #ff${scheme.base04}, #ff${scheme.base05}, #ff${scheme.base00}, #ff${scheme.base00}, #00${scheme.base01}, #ff${scheme.base02}, #ff${scheme.base04}, #ff${scheme.base08}, #ff${scheme.base04}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base01}, #ff${scheme.base05}, #ff${scheme.base04}
    disabled_colors=#ff${scheme.base05}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base00}, #ff${scheme.base05}, #ff${scheme.base04}, #ff${scheme.base05}, #ff${scheme.base00}, #ff${scheme.base00}, #00${scheme.base01}, #ff${scheme.base02}, #ff${scheme.base04}, #ff${scheme.base08}, #ff${scheme.base04}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base01}, #ff${scheme.base05}, #ff${scheme.base04}
    inactive_colors=#ff${scheme.base05}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base00}, #ff${scheme.base05}, #ff${scheme.base04}, #ff${scheme.base05}, #ff${scheme.base00}, #ff${scheme.base00}, #00${scheme.base01}, #ff${scheme.base02}, #ff${scheme.base04}, #ff${scheme.base08}, #ff${scheme.base04}, #ff${scheme.base01}, #ff${scheme.base00}, #ff${scheme.base01}, #ff${scheme.base05}, #ff${scheme.base04}
  '';
  qss = ''
    QTabBar::tab:selected {
        color: palette(highlight);
    }
    QMenuBar, QMenu, QToolBar, QStatusBar, QFrame, QScrollBar {
        border: none;
    }
  '';

  ## test
  #cfg = config.stylix.targets.qt;
  kvconfig = config.lib.stylix.colors {
    template = ./kvconfig.mustache;
    extension = ".kvconfig";
  };
  svg = config.lib.stylix.colors {
    template = ./kvantum-svg.mustache;
    extension = "svg";
  };
  kvantumPackage = pkgs.runCommandLocal "base16-kvantum" { } ''
    directory="$out/share/Kvantum/Base16Kvantum"
    mkdir --parents "$directory"
    cat ${kvconfig} >>"$directory/Base16Kvantum.kvconfig"
    cat ${svg} >>"$directory/Base16Kvantum.svg"
  '';

  xdg.configFile."Kvantum/kvantum.kvconfig".source =
    (pkgs.formats.ini { }).generate "kvantum.kvconfig"
      {
        General.theme = "Base16Kvantum";
      };

  xdg.configFile."Kvantum/Base16Kvantum".source = "${kvantumPackage}/share/Kvantum/Base16Kvantum";
in
{
  xdg.configFile."qt5ct/colors/tokyonight.conf" = {
    text = "${color}";
  };
  xdg.configFile."qt6ct/colors/tokyonight.conf" = {
    text = "${color}";
  };
  xdg.configFile."qt5ct/qss/tab.qss" = {
    text = "${qss}";
  };
  qt = {
    enable = true;
    style.package = pkgs.libsForQt5.breeze-qt5;
    style.name = "breeze-dark";
  };

  # ## test
  # xdg.configFile."Kvantum/kvantum.kvconfig".source = (pkgs.formats.ini {}).generate "kvantum.kvconfig" {
  #     General.theme = "Base16Kvantum";
  #   };

  #   xdg.configFile."Kvantum/Base16Kvantum".source = "${kvantumPackage}/share/Kvantum/Base16Kvantum";

  # xdg.configFile."qt5ct/qt5ct.conf".text = ''
  #   [Appearance]
  #   style=kvantum
  # '';

  #   #icon_theme=${cfg.iconThemeName}

  # xdg.configFile."qt6ct/qt6ct.conf".text = ''
  #   [Appearance]
  #   style=kvantum
  # '';
  #   #icon_theme=${cfg.iconThemeName}

  xdg.configFile."qt5ct/qt5ct.conf" = {
    text = ''
      [Appearance]
      color_scheme_path=/home/${username}/.config/qt5ct/colors/tokyonight.conf
      custom_palette=true
      icon_theme=MoreWaita
      standard_dialogs=xdgdesktopportal
      style=Breeze

      [Fonts]
      fixed="Noto Sans,12,-1,5,50,0,0,0,0,0"
      general="Noto Sans,12,-1,5,50,0,0,0,0,0"

      [Interface]
      activate_item_on_single_click=2
      buttonbox_layout=3
      cursor_flash_time=1000
      dialog_buttons_have_icons=0
      double_click_interval=400
      gui_effects=General, AnimateMenu, AnimateCombo, AnimateTooltip, AnimateToolBox
      keyboard_scheme=4
      menus_have_icons=true
      show_shortcuts_in_context_menus=true
      stylesheets=/home/${username}/.config/qt5ct/qss/tab.qss, /nix/store/5713p1pv913a6fsn8j7z6ndikcwikbcd-qt5ct-1.8/share/qt5ct/qss/fusion-fixes.qss, /nix/store/5713p1pv913a6fsn8j7z6ndikcwikbcd-qt5ct-1.8/share/qt5ct/qss/scrollbar-simple.qss, /nix/store/5713p1pv913a6fsn8j7z6ndikcwikbcd-qt5ct-1.8/share/qt5ct/qss/sliders-simple.qss, /nix/store/5713p1pv913a6fsn8j7z6ndikcwikbcd-qt5ct-1.8/share/qt5ct/qss/tooltip-simple.qss, /nix/store/5713p1pv913a6fsn8j7z6ndikcwikbcd-qt5ct-1.8/share/qt5ct/qss/traynotification-simple.qss
      toolbutton_style=4
      underline_shortcut=0
      wheel_scroll_lines=3

      [SettingsWindow]
      geometry=@ByteArray(\x1\xd9\xd0\xcb\0\x3\0\0\0\0\n\0\0\0\0\0\0\0\rK\0\0\x5q\0\0\n\0\0\0\0\0\0\0\r[\0\0\x5\x7f\0\0\0\0\x2\0\0\0\rp\0\0\n\0\0\0\0\0\0\0\rK\0\0\x5q)

      [Troubleshooting]
      force_raster_widgets=1
      ignored_applications=@Invalid()
    '';
  };
  xdg.configFile."qt6ct/qt6ct.conf" = {
    text = ''
      [Appearance]
      color_scheme_path=/home/${username}/.config/qt6ct/colors/tokyonight.conf
      custom_palette=true
      standard_dialogs=xdgdesktopportal
      style=Breeze

      [Fonts]
      fixed="DejaVu LGC Sans,12,-1,5,400,0,0,0,0,0,0,0,0,0,0,1"
      general="DejaVu LGC Sans,12,-1,5,400,0,0,0,0,0,0,0,0,0,0,1"

      [Interface]
      activate_item_on_single_click=2
      buttonbox_layout=3
      cursor_flash_time=1000
      dialog_buttons_have_icons=0
      double_click_interval=400
      gui_effects=General, AnimateMenu, AnimateCombo, AnimateTooltip, AnimateToolBox
      keyboard_scheme=4
      menus_have_icons=true
      show_shortcuts_in_context_menus=true
      stylesheets=@Invalid()
      toolbutton_style=4
      underline_shortcut=1
      wheel_scroll_lines=3

      [Troubleshooting]
      force_raster_widgets=1
      ignored_applications=@Invalid()
    '';
  };
}