{ osConfig, pkgs, lib, ... }:

let cfg = osConfig.custom.graphical.hyprland;
in {
  config = lib.mkIf cfg.enable
    {
      home.file.".config/hypr/hyprshade.toml".source = ../../.config/hypr/hyprshade.toml;
      wayland.windowManager.hyprland.settings.exec-once = [ "${pkgs.hyprshade}/bin/hyprshade auto" ];
      systemd.user = {

        services.hyprshade = {
          Install.WantedBy = [ "graphical-session.target" ];

          Unit = {
            ConditionEnvironment = "HYPRLAND_INSTANCE_SIGNATURE";
            Description = "Apply screen filter";
            After = [ "graphical-session-pre.target" ];
            PartOf = [ "graphical-session.target" ];
          };
          Service = {
            Type = "oneshot";
            ExecStart = "${pkgs.hyprshade}/bin/hyprshade auto";
          };
        };

        timers.hyprshade = {

          Install.WantedBy = [ "timers.target" ];

          Unit = { Description = "Apply screen filter on schedule"; };

          Timer.OnCalendar = [ "*-*-* 06:00:00" "*-*-* 19:00:00" ];
        };
      };
    };
}