#!/usr/bin/env node
/**
 * Create a writable Pear link for local stage/release on this host.
 * Writes packages/<app>/.pear-stage-link (gitignored).
 *
 * Usage: node scripts/bootstrap-pear-stage-link.mjs <package-dir>
 */

import { execSync } from 'node:child_process'
import { writeFileSync } from 'node:fs'
import path from 'node:path'

const pkgDir = path.resolve(process.argv[2] ?? '')
if (!pkgDir) {
  console.error('usage: bootstrap-pear-stage-link.mjs <package-dir>')
  process.exit(1)
}

let out
try {
  out = execSync('pear touch --json', {
    cwd: pkgDir,
    encoding: 'utf8',
    stdio: ['ignore', 'pipe', 'inherit']
  })
} catch (err) {
  console.error(`pear touch failed: ${err.message}`)
  process.exit(1)
}

let link = null
for (const line of out.trim().split('\n').filter(Boolean).reverse()) {
  try {
    const row = JSON.parse(line)
    link = row.data?.link ?? row.link ?? null
    if (link) break
  } catch {
    /* skip non-JSON lines (warnings) */
  }
}

if (!link || !/^pear:\/\/[a-z0-9]+$/i.test(link)) {
  console.error('pear touch --json did not return a pear:// link')
  process.exit(1)
}

const dest = path.join(pkgDir, '.pear-stage-link')
writeFileSync(dest, `${link}\n`, 'utf8')
console.error(`Wrote ${dest}`)
process.stdout.write(`${link}\n`)