{ lib, ... }:

let
  nomarchyLib = import ../../lib { inherit lib; };
  # Same canonical schema as core/home/state.nix and the options.nix
  # files — keeps every state default in one place.
  schema = import ../../lib/state-schema.nix { inherit lib; };
  systemState = nomarchyLib.readSystemState;
in
{
  # Every assignment is lib.mkDefault so a downstream /etc/nixos/system.nix
  # can still set e.g. `nomarchy.system.features.hybridGPU = true;`
  # without colliding with the state.json-derived value. Without
  # mkDefault, every state.json-driven option was unoverridable from
  # Nix — flipping hybridGPU required jq'ing the state file rather
  # than declaring it in your config.
  config.nomarchy.system = {
    dns = lib.mkDefault (systemState.dns or schema.system.dns);
    customDns = lib.mkDefault (systemState.customDns or schema.system.customDns);
    wifi.powersave = lib.mkDefault (systemState.wifi.powersave or schema.system.wifi.powersave);
    timezone = lib.mkDefault (systemState.timezone or schema.system.timezone);
    features = {
      fingerprint = lib.mkDefault (systemState.features.fingerprint or schema.system.features.fingerprint);
      fido2 = lib.mkDefault (systemState.features.fido2 or schema.system.features.fido2);
      hybridGPU = lib.mkDefault (systemState.features.hybridGPU or schema.system.features.hybridGPU);
    };
    theme = lib.mkDefault (systemState.theme or schema.system.theme);
  };
}