import { readFile } from "node:fs/promises";
import { NodeIO } from "@gltf-transform/core";
import { ALL_EXTENSIONS } from "@gltf-transform/extensions";
import { applyRunewakerDerivedSupportStyling } from "./rom-derived-support-styling.mjs";

export async function applyRunewakerDerivedSupportStylingToFile(file, options) {
  if (!options.policyId) return { status: "not-requested", geometryChanged: false };
  const sourceDdsBytes = await readFile(options.sourceDdsFile);
  const io = new NodeIO().registerExtensions(ALL_EXTENSIONS);
  const document = await io.read(file);
  const report = applyRunewakerDerivedSupportStyling(document, { ...options, sourceDdsBytes });
  if (report.status === "applied") await io.write(file, document);
  return report;
}