{
  lib,
  pkgs,
  config,
  ...
}:
let
  cfg = config.host.window_managers.kde;
in
{
  options = {
    host.window_managers.kde = {
      enable = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "KDE Clear configurations for host.";
      };
      sddm.enable = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "SDDM configurations for host.";
      };

      powerProfiles.enable = lib.mkOption {
        type = lib.types.bool;
        default = !config.device.battery.enable;
        description = "Power Profiles Daemon configurations for host.";
      };
    };
  };

  config = mkIf cfg.enable {
    services.desktopManager.plasma6.enable = true;

    environment.plasma6.excludePackages = with pkgs.kdePackages; [
      kate
      elisa
      konsole
      kdepim-runtime
      plasma-browser-integration
    ];

    environment.systemPackages = [
      pkgs.wl-clipboard
      pkgs.wayland-utils
    ]
    ++ lib.optional cfg.sddm.enable [
      pkgs.kdePackages.sddm-kcm
    ];

    services.power-profiles-daemon.enable = cfg.powerProfiles.enable;

    services.displayManager.sddm = lib.mkIf cfg.sddm.enable {
      enable = true;
      wayland.enable = true;
    };
  };
}