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

let
  libvirt = config.nomarchy.system.virtualization.libvirt.enable;
  docker = config.nomarchy.system.virtualization.docker.enable;
in
{
  # uwsm + Hyprland session — present on every Nomarchy install regardless
  # of the optional libvirt branch below.
  programs.uwsm = {
    enable = lib.mkDefault true;
    waylandCompositors.hyprland = {
      binPath = "/run/current-system/sw/bin/Hyprland";
      prettyName = "Hyprland";
    };
  };

  # Optional: libvirt + virt-manager + OVMF. Toggle with
  # `nomarchy.system.virtualization.libvirt.enable = true;`. The user must
  # be in the `libvirtd` group to drive virsh / virt-manager.
  virtualisation.libvirtd.enable = lib.mkIf libvirt true;
  environment.systemPackages = lib.mkIf libvirt (with pkgs; [
    virt-manager
    qemu
    OVMF
  ]);

  # Optional: Docker + docker-compose.
  virtualisation.docker.enable = lib.mkIf docker true;
  environment.systemPackages = lib.mkIf docker (with pkgs; [
    docker-compose
  ]);
}