import { readFileSync, existsSync } from 'node:fs';
import { execSync } from 'node:child_process';

const root = 'd:/work/ylrz_saas';
const files = execSync('git show --name-only --pretty=format: 5dfe60ed', { cwd: root })
  .toString('utf8')
  .split(/\r?\n/)
  .filter(Boolean);

const issues = [];
for (const rel of files) {
  const path = `${root}/${rel.replace(/\\/g, '/')}`;
  if (!existsSync(path)) continue;
  if (!/\.(java|js|vue|sql|xml|md)$/.test(rel)) continue;
  const raw = readFileSync(path);
  const text = raw.toString('utf8');
  const bom = raw.length >= 3 && raw[0] === 0xef && raw[1] === 0xbb && raw[2] === 0xbf;
  const fffd = text.includes('\uFFFD');
  const qmarks = /[^\s]\?{2,}[^\s?]|\?{4,}/.test(text);
  const latinGarble = /[\u00c0-\u00ff]{3,}/.test(text);
  if (bom || fffd || qmarks || latinGarble) {
    issues.push({ rel, bom, fffd, qmarks, latinGarble });
  }
}
console.log(JSON.stringify(issues, null, 2));
console.log('count', issues.length);