#!/usr/bin/env node
/**
 * patch-p2-npmrc-fix-kebab.js
 *
 * 修正 .npmrc 中 minimumReleaseAge → minimum-release-age (pnpm 标准 kebab-case)
 *
 * npm CLI 不识别此字段（会报 Unknown user config 警告），
 * pnpm CLI 用 kebab-case 才能正确读取。
 */

'use strict';
const fs = require('fs');
const path = require('path');
const os = require('os');

const TARGET = path.join(os.homedir(), '.npmrc');

function main() {
  if (!fs.existsSync(TARGET)) {
    process.stderr.write('[ERROR] .npmrc not found\n');
    process.exit(1);
  }

  let cur = fs.readFileSync(TARGET, 'utf8');

  if (cur.includes('minimum-release-age=')) {
    process.stdout.write('[SKIP] already in kebab-case\n');
    process.exit(0);
  }

  if (!cur.includes('minimumReleaseAge=')) {
    process.stderr.write('[ERROR] base patch not applied (no minimumReleaseAge found)\n');
    process.exit(1);
  }

  const ts = new Date().toISOString().replace(/[:.]/g, '-');
  fs.copyFileSync(TARGET, TARGET + '.bak.kebab.' + ts);
  process.stdout.write('[BACKUP] ' + TARGET + '.bak.kebab.' + ts + '\n');

  // 替换 + 同时保留 camelCase 一份给文档参考
  const updated = cur.replace(
    /minimumReleaseAge=(\d+)/,
    'minimum-release-age=$1                # pnpm canonical field (kebab-case)\n# minimumReleaseAge=$1                # camelCase alias (npm reports Unknown — informational only)'
  );

  const tmpPath = TARGET + '.tmp.' + process.pid;
  fs.writeFileSync(tmpPath, updated);
  fs.renameSync(tmpPath, TARGET);

  process.stdout.write('[OK] field renamed to kebab-case\n');
  process.stdout.write('     verify (pnpm): pnpm config get minimum-release-age\n');
}

if (require.main === module) main();