#!/usr/bin/env node
/**
 * Fail if bare-module-manifest.json and bare-module-manifest.data.mjs disagree.
 * Run from repo root: node scripts/verify-bare-module-manifest-data.mjs
 */
import { readFile } from 'node:fs/promises'
import { dirname, join } from 'node:path'
import { fileURLToPath, pathToFileURL } from 'node:url'

const __dirname = dirname(fileURLToPath(import.meta.url))
const root = join(__dirname, '..')
const jsonPath = join(
  root,
  'packages/bare-os-booter/lib/bare-module-manifest.json'
)
const dataPath = join(
  root,
  'packages/bare-os-booter/lib/bare-module-manifest.data.mjs'
)

function stableStringify(obj) {
  if (obj === null || typeof obj !== 'object') {
    return JSON.stringify(obj)
  }
  if (Array.isArray(obj)) {
    return '[' + obj.map((x) => stableStringify(x)).join(',') + ']'
  }
  const keys = Object.keys(obj).sort()
  return (
    '{' +
    keys
      .map((k) => JSON.stringify(k) + ':' + stableStringify(obj[k]))
      .join(',') +
    '}'
  )
}

async function main() {
  const jsonRaw = await readFile(jsonPath, 'utf8')
  const fromJson = JSON.parse(jsonRaw)
  const mod = await import(pathToFileURL(dataPath).href)
  const fromData = mod.default
  if (!fromData || typeof fromData !== 'object') {
    console.error(
      '[verify-bare-module-manifest-data] missing default export in',
      dataPath
    )
    process.exit(1)
  }
  const a = stableStringify(fromJson)
  const b = stableStringify(fromData)
  if (a !== b) {
    console.error(
      '[verify-bare-module-manifest-data] JSON and .data.mjs differ.\n' +
        'Run: node scripts/generate-bare-module-manifest-data.mjs\n' +
        'or: npm run sync:bare-manifest'
    )
    process.exit(1)
  }
  console.log('[verify-bare-module-manifest-data] ok')
}

main().catch((e) => {
  console.error(e)
  process.exit(1)
})