{ lib
, pkgs
, config
, ...
}:
let
  cfg = config.services.displayManager.sddm.catppuccin;
  enable = cfg.enable && config.services.displayManager.sddm.enable;

  inherit (lib) mkIf ctp types mkOption;
in
{
  options.services.displayManager.sddm.catppuccin =
    ctp.mkCatppuccinOpt "sddm"
    // {
      font = mkOption {
        type = types.str;
        default = "Noto Sans";
        description = "Font to use for the login screen";
      };

      fontSize = mkOption {
        type = types.str;
        default = "9";
        description = "Font size to use for the login screen";
      };

      background = mkOption {
        type = with types; (either path str);
        default = "";
        description = "Background image to use for the login screen";
      };

      loginBackground = mkOption {
        type = types.bool;
        default = true;
        description = "Add an additonal background layer to the login panel";
      };
    };

  config = mkIf enable {
    services.displayManager.sddm.theme = "catppuccin-${cfg.flavour}";

    environment.systemPackages = [
      (pkgs.catppuccin-sddm.override {
        flavor = cfg.flavour;
        inherit (cfg) font fontSize background loginBackground;
      })
    ];
  };
}