import fs from 'node:fs'
// Fixture regeneration aid (see scripts/fixtures/README.md). Written during the 2026-11-11 build, kept for reference.
// Writes into fixtures/ unless FIXTURES_OUT names another directory (with a trailing slash).
const FIX = process.env.FIXTURES_OUT ?? new URL('../../fixtures/', import.meta.url).pathname
const SOL = new URL('../../js/solutions/', import.meta.url).href
const HERE = new URL('./', import.meta.url).pathname
const dir = FIX
const walk = (x) => {
  if (Array.isArray(x)) return x.map(walk)
  if (x && typeof x === 'object') {
    const o = Object.fromEntries(Object.entries(x).map(([k, v]) => [k, walk(v)]))
    return ('snake' in o && 'nextDir' in o && !('queued' in o)) ? { ...o, queued: null } : o
  }
  return x
}
for (const f of fs.readdirSync(dir)) {
  const txt = fs.readFileSync(dir + f, 'utf8')
  if (!f.endsWith('.json')) continue
  const before = JSON.parse(txt)
  const after = walk(before)
  // Only rewrite a file whose content changed; a file with no game states keeps its formatting.
  if (JSON.stringify(after) !== JSON.stringify(before)) { fs.writeFileSync(dir + f, JSON.stringify(after, null, 2) + '\n'); console.log('updated', f) }
}