{ config, lib, modulesPath, numbers, ... }:
with lib;

let
  makeNic = { matchMac, iface, media, ... }:
    # because of the bridge logic, br=iface _and_ internal-iface=iface
    if media != "eth" then [] else [ "-nic bridge,id=${iface},br=${iface},model=virtio,mac=${matchMac}" ];
  makeNicFromHostIface = host: iface: makeNic (numbers.api.hostIface host iface);
  makeNics = host: concatMap (makeNicFromHostIface host) (numbers.api.hostIfaces host);
  makeQemuNetworkingOptions = host:
    (makeNics host) ++ [
    #  "-net nic,netdev=user.0,model=virtio"
    #  "-netdev user,id=user.0,\${QEMU_NET_OPTS:+,$QEMU_NET_OPTS}"
    ];
in

{
  imports = [
    "${modulesPath}/virtualisation/qemu-vm.nix"
    ./server.nix
  ];

  config = {
    virtualisation.graphics = false;
    virtualisation.qemu.networkingOptions = makeQemuNetworkingOptions config.networking.hostName;
  };
}