os/modules/sway/swayidle.service.nix

{ pkgs, psCfg, ... }:
{
  Unit = {
    Description = "Idle manager for Wayland";
    Documentation = [ "man:swayidle(1)" ];
    BindsTo = [ "graphical-session.target" ];
    Wants = [ "graphical-session-pre.target" ];
    After = [ "graphical-session-pre.target" ];
  };
  Service = {
    Type = "simple";
    Environment = "PATH=/run/current-system/sw/bin:${pkgs.sway}/bin:${pkgs.swaylock-bg}/bin:${pkgs.swayidle}/bin";
    ExecStart = ''swayidle -w \
        after-resume 'swaymsg "output * dpms on"' \
        before-sleep 'swaylock-bg' '' + (if psCfg.paranoia.enable then '' \
        timeout 120 'swaymsg "output * dpms off"' resume 'swaymsg "output * dpms on"' \
        timeout 150 'systemctl hibernate'
      '' else '' \
        timeout 600 'swaylock-bg' \
        timeout 900 'swaymsg "output * dpms off"' resume 'swaymsg "output * dpms on"'
      '');
  };
  Install = {
    WantedBy = [ "sway-session.target" ];
  };
}