{ config, pkgs, ... }:

let
  waybarPath = "${pkgs.waybar}/bin/waybar";
in
{
  environment.systemPackages = [
    pkgs.waybar
  ];

  systemd.user.services.waybar = {
    description = "Waybar for Hyprland";
    after = [ "graphical-session.target" ];  # wait for user session

    serviceConfig = {
      ExecStart = "${waybarPath}";
      Restart = "always";
      Environment = ''
        WAYLAND_DISPLAY=${config.environment.sessionVariables.WAYLAND_DISPLAY or "wayland-0"}
        XDG_CURRENT_DESKTOP=Hyprland
        XDG_RUNTIME_DIR=${config.environment.sessionVariables.XDG_RUNTIME_DIR or "/run/user/${config.users.users.${config.defaultUser}.uid}"}
      '';
    };

    wantedBy = [ "default.target" ];
  };
}