// IFC single-thread WASM을 public/에 staging합니다.
// `npm install`의 postinstall에서 자동 실행되며 반복 실행해도 같은 결과를 만듭니다.
import {
  chmodSync,
  copyFileSync,
  existsSync,
  mkdirSync,
  rmSync,
} from 'node:fs';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));
const root = resolve(__dirname, '..');

// 현재 IFC 경로는 COOP/COEP가 필요 없는 single-thread WASM만 사용합니다.
const ifcEntry = fileURLToPath(import.meta.resolve('web-ifc'));
const ifcSrcDir = dirname(ifcEntry);
const ifcDest = resolve(root, 'public/web-ifc');
if (existsSync(ifcSrcDir)) {
  rmSync(ifcDest, { force: true, recursive: true });
  mkdirSync(ifcDest, { recursive: true });
  const src = resolve(ifcSrcDir, 'web-ifc.wasm');
  const dest = resolve(ifcDest, 'web-ifc.wasm');
  copyFileSync(src, dest);
  chmodSync(dest, 0o644);
  console.log(`[copy-decoders] ${src} -> ${dest}`);
} else {
  console.warn('[copy-decoders] web-ifc not installed yet — skipping IFC wasm.');
}