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

{
  # Enable printing services with dynamic detection
  services.printing = {
    enable = true;
    drivers = [ 
      pkgs.hplipWithPlugin   # HP printer driver with proprietary plugin support
      pkgs.brlaser   # Brother printer drivers
    ];

    # Set default paper size via CUPS configuration
    extraConf = ''
      DefaultPaperSize Letter
    '';
  };

  # Enable Avahi for printer discovery (IPv4 only)
  services.avahi = {
    enable = true;
    publish.enable = true;
    publish.addresses = true;
    nssmdns4 = true;  # Enable mDNS for IPv4
    nssmdns6 = false; # Disable mDNS for IPv6 to prevent timeouts
  };

  networking.firewall.allowedTCPPorts = [ 631 ];
  networking.firewall.allowedUDPPorts = [ 5353 ];

}