{ config, lib, pkgs, ... }:
let
  cfg = config.os.core.greet;
in
{
  options.os.core.greet.enable = lib.mkEnableOption "enables greetd daemon with tuigreet";
  config = lib.mkIf cfg.enable {
    services.greetd = {
      enable = true;
      settings = {
        default_session = {
          user = "greeter";
          command = ''
            ${pkgs.tuigreet}/bin/tuigreet \
              --sessions ${config.services.displayManager.sessionData.desktops}/share/xsessions:${config.services.displayManager.sessionData.desktops}/share/wayland-sessions \
              --remember \
              --remember-user-session \
              --asterisks \
              --greeting 'Welcome to NixOS!' \
              --time
          '';
        };
      };
    };
    security.pam.services.greetd.enableGnomeKeyring = true;

    environment.systemPackages = with pkgs; [ tuigreet ];
  };
}