{ config, pkgs, ... }:

let
  stateFile = "${config.home.homeDirectory}/.config/home-manager/hyprsunset-state.json";
  hyprsunsetState = if builtins.pathExists stateFile then 
    builtins.fromJSON (builtins.readFile stateFile)
  else { enabled = false; temperature = 4000; };
  temp = toString (if hyprsunsetState.enabled then hyprsunsetState.temperature else 6500);
in
{
  services.hyprsunset = {
    enable = true; # Always enabled, we control via IPC and state
    extraArgs = [ "--temperature" temp ];
  };
}