system/home/ui/betterlockscreen.nix

{ lib, config, pkgs, ... }:

with lib;

let
  cfg = config.ui.betterlockscreen;

  package = config.services.betterlockscreen.package;
in
{
  options.ui.betterlockscreen = {
    enable = mkOption {
      type = types.bool;
      default = false;
      description = "Enable betterlockscreen";
    };
  };


  config = mkIf cfg.enable {
    services.betterlockscreen = {
      enable = true;
      arguments = [ "--display 1" "--" "-e" ];
      inactiveInterval = 15;
    };

    systemd.user.timers.updateBetterlockscreenImage = {
      Unit = {
        Description = "Update betterlockscreen image timer";
        After = [ "graphical-session.target" "timers.target" ];
      };

      Timer = {
        OnUnitActiveSec = "60min";
        OnBootSec = "10s";
      };

      Install = {
        WantedBy = [ "graphical-session.target" "timers.target" ];
      };
    };

    systemd.user.services.updateBetterlockscreenImage = {
      Unit = {
        Description = "Update betterlockscreen image";
        After = [ "graphical-session.target" ];
      };

      Service = {
        Type = "oneshot";
        Environment = "PATH=/run/current-system/sw/bin";
        ExecStart = "${package}/bin/betterlockscreen --display 1 --update ${config.home.homeDirectory}/pictures/wallpapers";
      };

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