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

const root = 'src';
const exts = ['.tsx', '.ts', '.jsx', '.js'];
const excludeDirs = ['locales', 'node_modules'];

// Regex to match a run of CJK characters (and surrounding simple chars) inside a string-ish
// We capture any quoted string (single/double/backtick) containing CJK.
const cjk = /[\u4e00-\u9fff]/;

function walk(dir) {
  const out = [];
  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
    const full = path.join(dir, entry.name);
    if (entry.isDirectory()) {
      if (excludeDirs.includes(entry.name)) continue;
      out.push(...walk(full));
    } else if (exts.includes(path.extname(entry.name))) {
      out.push(full);
    }
  }
  return out;
}

const files = walk(root);
let total = 0;
const perFile = [];
for (const f of files) {
  const lines = fs.readFileSync(f, 'utf8').split('\n');
  const hits = [];
  lines.forEach((line, i) => {
    // skip pure comment lines (// ... or * ...)
    const trimmed = line.trim();
    if (trimmed.startsWith('//') || trimmed.startsWith('*')) return;
    if (!cjk.test(line)) return;
    hits.push({ line: i + 1, text: line.trim() });
  });
  if (hits.length) {
    perFile.push({ file: f, hits });
    total += hits.length;
  }
}

console.log('Total files with CJK:', perFile.length, 'Total CJK lines:', total);
for (const pf of perFile) {
  console.log('\n### ' + pf.file + ' (' + pf.hits.length + ')');
  for (const h of pf.hits) {
    console.log('  L' + h.line + ': ' + h.text.slice(0, 200));
  }
}