# KDE Desktio Environment
{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = config.my.profiles.kde-desktop;
in
{
  options.my.profiles.kde-desktop = with lib; {
    enable = mkEnableOption "KDE Desktop Environment";
    startOnBoot = mkOption {
      type = types.bool;
      default = true;
      description = ''
        Whether the display manager (SDDM) starts automatically at boot.
        When false, the system boots to a text console and KDE can be
        launched on demand with the `desktop` command.
      '';
    };
  };

  config = lib.mkIf cfg.enable (lib.mkMerge [
    {
      services = {
        displayManager.sddm.enable = true;
        displayManager.sddm.wayland.enable = true;
        desktopManager.plasma6.enable = true;
      };
      users.users.finn.packages = with pkgs; [
        # Programms can be added here...
        numix-icon-theme
      ];
    }
    (lib.mkIf (!cfg.startOnBoot) {
      # Boot to a text console; SDDM stays installed but is not pulled in
      # by any boot target. Launch KDE on demand with `desktop`.
      systemd.services.display-manager.wantedBy = lib.mkForce [ ];
      systemd.defaultUnit = lib.mkForce "multi-user.target";
      environment.systemPackages = [
        (pkgs.writeShellScriptBin "desktop" "exec sudo systemctl start display-manager.service")
      ];
    })
  ]);
}