{
  lib,
  config,
  ...
}:

with lib;
let
  cfg = config.modules.power-saving;
in
{
  options.modules.power-saving = {
    enable = mkEnableOption "power-saving";
  };

  config = mkIf cfg.enable {
    powerManagement.enable = true;
    services.thermald.enable = true;
    services.tlp = {
      enable = true;

      settings = {
        CPU_SCALING_GOVERNOR_ON_AC = "performance";
        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";

        CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
        CPU_ENERGY_PERF_POLICY_ON_AC = "performance";

        CPU_MIN_PERF_ON_AC = 0;
        CPU_MAX_PERF_ON_AC = 100;
        CPU_MIN_PERF_ON_BAT = 0;
        CPU_MAX_PERF_ON_BAT = 20;
      };
    };
  };
}