#!/usr/bin/env node
/**
 * Verify pear tier entries in the manifest.
 * For the initial shared-manifest approach, validates that pearEntries (if present)
 * has the expected shape and no obvious structural problems.
 *
 * Run from repo root: node scripts/verify-pear-module-manifest-data.mjs
 */

import { readFile } from 'node:fs/promises'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'

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

async function main() {
  const raw = await readFile(manifestPath, 'utf8')
  const manifest = JSON.parse(raw)

  if (!manifest || typeof manifest !== 'object') {
    console.error('[verify-pear-module-manifest-data] invalid manifest root')
    process.exit(1)
  }

  const pearEntries = manifest.pearEntries

  if (!pearEntries) {
    console.log('[verify-pear-module-manifest-data] no pearEntries yet (ok for early stages)')
    return
  }

  if (!Array.isArray(pearEntries)) {
    console.error('[verify-pear-module-manifest-data] pearEntries must be an array')
    process.exit(1)
  }

  const required = ['ctxKey', 'package']
  for (const [i, ent] of pearEntries.entries()) {
    if (!ent || typeof ent !== 'object') {
      console.error(`[verify-pear-module-manifest-data] entry ${i} is not an object`)
      process.exit(1)
    }
    for (const field of required) {
      if (!ent[field] || typeof ent[field] !== 'string') {
        console.error(`[verify-pear-module-manifest-data] entry ${i} missing or invalid ${field}`)
        process.exit(1)
      }
    }
    // Basic sanity: ctxKey should be camelCase starting with pear or bare for re-exports
    if (!/^[a-z][a-zA-Z0-9]*$/.test(ent.ctxKey)) {
      console.error(`[verify-pear-module-manifest-data] entry ${i} has invalid ctxKey format: ${ent.ctxKey}`)
      process.exit(1)
    }
  }

  console.log(`[verify-pear-module-manifest-data] ok — ${pearEntries.length} pearEntries`)
}

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