{
  lib,
  pkgs,
  config,
  inputs,
  hm,
  user,
  ...
}:

{
  imports = [
    ./i3
    ./kitty.nix
    ./ghostty.nix
  ];

  options.custom.gui = with lib; {
    default = {
      enable = mkEnableOption "Enable Default GUI";
    };
    linux = {
      enable = mkEnableOption "Enable Linux-only GUI";
    };
    darwin = {
      enable = mkEnableOption "Enable Darwin-only GUI";
    };
  };

  config = lib.mkIf config.custom.gui.default.enable {
    dconf.settings = {
      "org/gnome/desktop/interface" = {
        color-scheme = "prefer-dark";
        show-battery-percentage = true;
        clock-format = "12h";
      };
    };

    programs.vscode = {
      enable = true;
      package = pkgs.vscode;
      profiles.default = {
        extensions = with pkgs.vscode-extensions; [
          bbenoist.nix
          ms-python.python
          ms-vscode-remote.remote-ssh
        ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
          {
            name = "remote-ssh-edit";
            publisher = "ms-vscode-remote";
            version = "0.87.0";
            sha256 = "sha256-yeX6RAJl07d+SuYyGQFLZNcUzVKAsmPFyTKEn+y3GuM=";
          }
        ];
      };
    };

    programs.firefox = {
      enable = true;
      # package = lib.mkIf custom.gui.darwin.enable pkgs.firefox-bin or pkgs.firefox;
      package = if config.custom.gui.darwin.enable then pkgs.firefox-bin else pkgs.firefox;
    };

    home.sessionVariables = lib.mkIf config.custom.gui.darwin.enable {
      MOZ_LEGACY_PROFILES = "1";
    };

    # launchd.user.envVariables = lib.mkIf config.custom.gui.darwin.enable {
    #   MOZ_LEGACY_PROFILES = "1";
    # };

    home.packages = with pkgs; [
      # globalprotect-openconnect
      # firefox
      # fonts
      custom.sf-mono
      custom.sf-symbols
      ultimate-oldschool-pc-font-pack
      vista-fonts
      nerd-fonts.ubuntu-mono
      nerd-fonts.iosevka
      nerd-fonts.fira-code
      nerd-fonts.sauce-code-pro
      nerd-fonts.inconsolata
      nerd-fonts.inconsolata-go
      nerd-fonts.droid-sans-mono
      nerd-fonts.space-mono
      nerd-fonts.dejavu-sans-mono
    ] 
    ++ lib.optionals config.custom.gui.darwin.enable [
      raycast
      custom.whatsapp-for-mac
    ]
    ++ lib.optionals config.custom.gui.linux.enable [
      zotero
      zoom-us
      spotify
      slack
      webex
      whatsapp-for-linux
      teams-for-linux
      skypeforlinux
      inputs.zen-browser.packages."${system}".twilight
      chromium
      arandr
      seahorse # gnome keyring
      xfce.thunar
      xfce.thunar-volman
      xclip
      quickemu
      gf # debugger
    ];

    gtk = {
      enable = true;
      theme = {
        name = "Adwaita-dark";
        package = pkgs.gnome-themes-extra;
      };
    };

    qt = {
      enable = config.custom.gui.linux.enable;
      platformTheme.name = "adwaita";
      style.name = "adwaita-dark";
    };

    services.redshift = {
      enable = config.custom.gui.linux.enable;
      # provider = "geoclue2";
      provider = "manual";
      # madison
      latitude = "43.07305000";
      longitude = "-89.40123000";
      # chicago
      # latitude = "41.85003000";
      # longitude = "-87.65005000";
    };
  };
}