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

let
  username  = config.users.users.defaultUser or "henrov";
  homeDir   = "/home/${username}";
  assetPath = "${flakeRoot}/assets/copy_2_home";
in
{
  environment.systemPackages = [ pkgs.rsync ];

  systemd.user.services.copyAssets = {
    description = "Copy assets to home directory";
    wantedBy = [ "default.target" ];
    serviceConfig = {
      Type = "oneshot";
    };
    # This is the proper field for commands
    ExecStart = ''
      echo "Copying assets from ${assetPath} to ${homeDir} ..."

      if [ ! -d "${assetPath}" ]; then
        echo "ERROR: ${assetPath} does not exist"
        exit 1
      fi

      mkdir -p "${homeDir}"

      ${pkgs.rsync}/bin/rsync -a --no-owner --no-group "${assetPath}/" "${homeDir}/"

      echo "Done copying assets."
    '';
  };

  # Make sure the user manager is enabled for the default user
  users.users.${username}.extraGroups = [ "wheel" ]; # optional
  systemd.enableUserServices = true;
}