#!/usr/bin/env node
/**
 * Feature-flag 质量门控促升补丁 — 2026-04-25
 *
 * 目标: 3 个 warn 态钩子提前升 enforce
 *   - code-quality-gate
 *   - post-edit-quality-check
 *   - build-outcome-tracker
 *
 * 依据: 2026-04-25 四维度评审 (production-reviewer / red-team-logic /
 *       red-team-attacker / delivery-quality-assessor) 一致建议
 *       "先走已有路径性价比最高"；且三个 flag 自 2026-03-xx 起已在
 *       warn 态运行 30+ 天，实际数据已满足升级前提。
 *
 * 原 promoteToEnforceAfter: 2026-05-06 (距今 11 天)
 * 本补丁: 提前促升，同步更新 promoteNote 为 "评审驱动提前促升"
 *
 * 幂等: 若 mode 已为 enforce 则跳过。
 * 原子: tmp + rename。
 * 回滚: .bak 保留。
 */
'use strict';

const fs = require('fs');
const path = require('path');

const TARGET = path.join(__dirname, '..', '..', 'feature-flags.json');
const FLAGS_TO_PROMOTE = [
  'code-quality-gate',
  'post-edit-quality-check',
  'build-outcome-tracker',
];
const PROMOTE_NOTE = '2026-04-25 多维评审驱动提前促升 (30天静默期已满足)';

function main() {
  if (!fs.existsSync(TARGET)) {
    console.error('[patch-promote] 目标不存在:', TARGET);
    process.exit(1);
  }

  const raw = fs.readFileSync(TARGET, 'utf8');
  const json = JSON.parse(raw);

  let changed = 0;
  const changedFlags = [];

  for (const flagName of FLAGS_TO_PROMOTE) {
    const flag = json.features && json.features[flagName];
    if (!flag) {
      console.warn('[patch-promote] flag 不存在, 跳过:', flagName);
      continue;
    }
    if (flag.mode === 'enforce') {
      console.log('[patch-promote] 已 enforce, 跳过:', flagName);
      continue;
    }
    flag.mode = 'enforce';
    flag.promoteNote = PROMOTE_NOTE;
    flag.promotedAt = new Date().toISOString();
    delete flag.promoteToEnforceAfter;
    changed++;
    changedFlags.push(flagName);
  }

  if (changed === 0) {
    console.log('[patch-promote] 无需修改, 所有 flag 已为目标状态');
    process.exit(0);
  }

  // 备份
  const bakPath = TARGET + '.bak.promote-quality.' + new Date().toISOString().replace(/[:.]/g, '-');
  fs.writeFileSync(bakPath, raw, 'utf8');

  // 原子写
  const newRaw = JSON.stringify(json, null, 2) + '\n';
  const tmp = TARGET + '.tmp.' + process.pid;
  fs.writeFileSync(tmp, newRaw, 'utf8');
  fs.renameSync(tmp, TARGET);

  console.log('[patch-promote] 已促升', changed, '个 flag:');
  changedFlags.forEach(f => console.log('  ✓', f, 'warn → enforce'));
  console.log('[patch-promote] 备份:', path.basename(bakPath));
}

main();