{
  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 = pkgs.pinentry-qt;
      sound.enable = true;
    };

    hm = {
      # NOTE This will fail the home-manager service upon startup while a Plasma
      # session is not initialised. Something about dbus not being able to
      # communicate with presumably KDE configuration daemon.
      stylix.targets.kde.enable = true;

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

      gtk.theme = {
        package = mkForce pkgs.breeze-gtk;
        name = mkForce "Breeze";
      };

      xdg.configFile = {
        "fontconfig/conf.d/10-hm-fonts.conf".force = mkForce true;
        "mimeapps.list".force = mkForce true;
        "kcminputrc".text = generators.toINI { } {
          Keyboard = with config.services.xserver; {
            RepeatDelay = autoRepeatDelay;
            RepeatRate = autoRepeatInterval;
          };
        };
        "baloofilerc".text = generators.toINI { } { "Basic Settings"."Indexing-Enabled" = false; };
      };
    };

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

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