#!/usr/bin/env node
// Bump version from v6.6.0-phase1-B to v6.6.1 across all files
const fs = require('fs');
const path = require('path');

const ROOT = path.resolve(__dirname, '../..');
const OLD = 'v6.6.0-phase1-B';
const NEW = 'v6.6.1';
const SENTINEL = '<!-- patch:bump-v6.6.1 -->';

const targets = [
  { file: 'CLAUDE.md', pattern: OLD },
  { file: 'SKILL-REGISTRY.md', pattern: OLD },
];

let changed = 0;
for (const t of targets) {
  const fp = path.join(ROOT, t.file);
  if (!fs.existsSync(fp)) { console.log(`SKIP ${t.file} (not found)`); continue; }
  let content = fs.readFileSync(fp, 'utf8');
  if (content.includes(SENTINEL)) { console.log(`SKIP ${t.file} (already patched)`); continue; }

  // BOM strip
  if (content.charCodeAt(0) === 0xFEFF) content = content.slice(1);

  const before = content;
  content = content.replaceAll(t.pattern, NEW);

  if (content !== before) {
    // Backup
    fs.copyFileSync(fp, fp + '.bak');
    fs.writeFileSync(fp, content, 'utf8');
    console.log(`PATCHED ${t.file}: ${OLD} -> ${NEW}`);
    changed++;
  } else {
    console.log(`SKIP ${t.file} (pattern not found)`);
  }
}

// Also fix SKILL-REGISTRY footer date if still old
const regPath = path.join(ROOT, 'SKILL-REGISTRY.md');
if (fs.existsSync(regPath)) {
  let reg = fs.readFileSync(regPath, 'utf8');
  reg = reg.replace(/\*最后更新: 2026-04-27\b/, '*最后更新: 2026-04-27 (v6.6.1)');
  fs.writeFileSync(regPath, reg, 'utf8');
}

console.log(`Done. ${changed} files patched.`);