{
  mainUser,
  inputs,
  ...
}:
{
  services.greetd = {
    enable = true;
    restart = false;
    settings =
      let
        session = {
          command = "niri-session";
          user = "${mainUser}";
        };
      in
      {
        default_session = session;
        initial_session = session;
      };
  };
  programs.niri = {
    enable = true;
    package = inputs.niri.packages.x86_64-linux.niri-unstable;
  };
  services.niri-session-manager = {
    enable = true;
    # settings = {
    #   save-interval = 5;
    #   max-backup-count = 12;
    # };
  };
}