{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.kde;
in {
  options.nixfiles.modules.kde.enable = mkEnableOption "KDE Plasma";

  config = mkIf cfg.enable {
    nixfiles.modules = {
      common.xdg.defaultApplications."org.kde.dolphin" = ["inode/directory"];

      gnupg.pinentry = "qt";
      sound.enable = true;
    };

    hm = {
      home.sessionVariables.GTK_USE_PORTAL = 1;

      programs.firefox.profiles.default.settings = {
        "widget.use-xdg-desktop-portal.file-picker" = 1;
        "widget.use-xdg-desktop-portal.mime-handler" = 1;
      };
    };

    services.xserver = {
      desktopManager.plasma6.enable = true;
      displayManager.sddm.enable = true;
    };

    environment = {
      systemPackages = with pkgs; [pinentry-qt];
      plasma6.excludePackages = with pkgs.kdePackages; [
        elisa
        gwenview
        kate
        khelpcenter
        print-manager
      ];
    };
  };
}