import fs from 'node:fs'
import path from 'node:path'

const source = path.join('node_modules', '@flyfish-dev', 'cad-viewer', 'dist', 'wasm')
const target = path.join('public', 'wasm')
const files = [
  'dwg-worker.js',
  'dwfv-render.wasm',
  'libredwg-web.js',
  'libredwg-web.wasm'
]

if (!fs.existsSync(source)) {
  console.warn(`[cad-wasm] source not found: ${source}`)
  process.exit(0)
}

fs.mkdirSync(target, { recursive: true })
for (const file of files) {
  const from = path.join(source, file)
  if (!fs.existsSync(from)) {
    console.warn(`[cad-wasm] missing: ${from}`)
    continue
  }
  fs.copyFileSync(from, path.join(target, file))
}
console.log(`[cad-wasm] copied ${files.length} runtime files to ${target}`)