#!/usr/bin/env node
/**
 * CI: ctx.pear static host imports must cover all pearEntries packages.
 * Safe-on-Bare imports: bare-os-ctx-pear-host.js
 * Pear-runtime-only (dynamic when globalThis.Pear): bare-os-ctx-pear-host-pear-only.js
 */
import fs from 'node:fs'
import path from 'node:path'
import process from 'node:process'
import { fileURLToPath } from 'node:url'

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

/** @param {string} filePath */
function packagesFromFile(filePath) {
  const src = fs.readFileSync(filePath, 'utf8')
  /** @type {string[]} */
  const found = []
  const staticRe = /^\s*import\s+\w+\s+from\s+['"]([^'"]+)['"]/gm
  const dynamicRe = /^\s*import\s*\(\s*['"]([^'"]+)['"]\s*\)/gm
  let m
  while ((m = staticRe.exec(src))) found.push(m[1])
  while ((m = dynamicRe.exec(src))) found.push(m[1])
  return found
}

function main() {
  const manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'))
  const pearEntries = manifest.pearEntries
  if (!Array.isArray(pearEntries) || pearEntries.length === 0) {
    console.log('[verify-pear-ctx-host-imports] no pearEntries (skip)')
    return
  }

  const expected = pearEntries.map((e) => e.package).sort()
  const actual = [
    ...packagesFromFile(path.join(libDir, 'bare-os-ctx-pear-host.js')),
    ...packagesFromFile(path.join(libDir, 'bare-os-ctx-pear-host-pear-only.js'))
  ].sort()

  const missing = expected.filter((p) => !actual.includes(p))
  const extra = actual.filter((p) => !expected.includes(p))

  if (missing.length || extra.length) {
    console.error('[verify-pear-ctx-host-imports] mismatch')
    if (missing.length) console.error('  missing in host:', missing.join(', '))
    if (extra.length) console.error('  extra in host:', extra.join(', '))
    process.exit(1)
  }

  console.log(
    `[verify-pear-ctx-host-imports] ok — ${expected.length} packages aligned`
  )
}

main()