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

let
  cfg = config.nomarchy.system;
in
{
  networking.networkmanager.enable = true;
  
  networking.networkmanager.wifi.powersave = cfg.wifi.powersave;

  # DNS Configuration
  networking.nameservers = if cfg.dns == "Cloudflare" then [ "1.1.1.1" "1.0.0.1" ]
                           else if cfg.dns == "Google" then [ "8.8.8.8" "8.8.4.4" ]
                           else if cfg.dns == "Custom" then cfg.customDns
                           else []; # DHCP lets NM handle it

  services.resolved = {
    enable = cfg.dns != "DHCP";
    dnssec = "allow-downgrade";
    domains = [ "~." ];
    fallbackDns = [ "9.9.9.9" "149.112.112.112" ];
    extraConfig = ''
      DNSOverTLS=opportunistic
    '';
  };
}