#!/usr/bin/env node
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 booterPkgPath = path.join(root, 'packages/bare-os-booter/package.json')
const outPath = path.join(root, 'docs/audit/holepunch-runtime-compat.json')
const mirrorRoot = String(
  process.env.BARE_OS_HOLEPUNCH_CLONES_ROOT ||
    path.join(process.env.HOME || '', 'dev/pearcli/holepunch-repos/holepunchto_repos')
).trim()

const CORE_REPOS = [
  'bare-runtime',
  'bare-module',
  'bare-fs',
  'bare-net',
  'hypercore',
  'corestore',
  'hyperdrive',
  'hyperdht',
  'hyperswarm',
  'pear',
  'pear-runtime'
]

function readJson(p, fallback = null) {
  try {
    return JSON.parse(fs.readFileSync(p, 'utf8'))
  } catch {
    return fallback
  }
}

function main() {
  const booterPkg = readJson(booterPkgPath, {})
  const deps = {
    ...(booterPkg.dependencies || {}),
    ...(booterPkg.optionalDependencies || {})
  }
  const rows = CORE_REPOS.map((repo) => {
    const clonePkgPath = path.join(mirrorRoot, repo, 'package.json')
    const clonePkg = readJson(clonePkgPath, {})
    const cloneVersion = String(clonePkg?.version || '').trim()
    const depRange = String(deps[repo] || '').trim()
    return {
      repo,
      booterRange: depRange || null,
      cloneVersion: cloneVersion || null,
      clonePath: path.join(mirrorRoot, repo),
      rangeMentionsLocalFile: depRange.startsWith('file:'),
      semverDrift: Boolean(depRange && cloneVersion && !depRange.includes(cloneVersion))
    }
  })
  const out = {
    schema: 1,
    generatedAt: new Date().toISOString(),
    mirrorRoot,
    booterPackage: path.relative(root, booterPkgPath),
    rows
  }
  fs.mkdirSync(path.dirname(outPath), { recursive: true })
  fs.writeFileSync(outPath, JSON.stringify(out, null, 2) + '\n', 'utf8')
  console.log(
    'report-holepunch-runtime-compat: wrote',
    path.relative(root, outPath),
    'rows=',
    rows.length
  )
}

main()