nixos/home/headless/home.nix

{
  pkgs,
  lib,
  config,
  ...
}:
with lib;
let
  cfg = config.passthrough.headless;
in
mkIf (cfg.enable != null) {
  wayland.windowManager.sway.config = {
    output = {
      ${cfg.enable}.pos = "0 0";
      HEADLESS-1 = cfg.output;
    };

    startup = [ { command = "swaymsg create_output && swaymsg output HEADLESS-1 disable"; } ];
  };

  home.packages = [
    (pkgs.writeShellScriptBin "headless" ''
      swaymsg output HEADLESS-1 enable
      ${pkgs.wayvnc}/bin/wayvnc \
        --output=HEADLESS-1 \
        ${cfg.extraArgs} \
        ${cfg.host} ${toString cfg.port}
      swaymsg output HEADLESS-1 disable
    '')
  ];
}