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

const root = path.join(__dirname, '..');
const js = fs.readFileSync(path.join(root, 'assets/js/main.js'), 'utf8');
const mapMatch = js.match(/const textMap = \{([\s\S]*?)\n  \};/);
const keys = new Set();
const re = /^\s*,?'((?:\\'|[^'])*)':/gm;
let m;
while ((m = re.exec(mapMatch[1]))) {
  keys.add(m[1].replace(/\\'/g, "'"));
}

const files = [];
function walk(dir) {
  for (const f of fs.readdirSync(dir)) {
    const p = path.join(dir, f);
    if (fs.statSync(p).isDirectory()) {
      if (f === 'vendor' || f === 'node_modules' || f === 'scripts') continue;
      walk(p);
    } else if (f.endsWith('.html')) files.push(p);
  }
}
walk(root);

const missingKeys = new Set();
const missingLeaf = new Set();

for (const file of files) {
  const html = fs.readFileSync(file, 'utf8');
  const i18nKeys = [...html.matchAll(/data-i18n-key="([^"]+)"/g)].map((x) => x[1]);
  for (const t of i18nKeys) {
    if (!keys.has(t)) missingKeys.add(t);
  }

  const stripped = html
    .replace(/<script[\s\S]*?<\/script>/gi, '')
    .replace(/<style[\s\S]*?<\/style>/gi, '');
  const leaf = [...stripped.matchAll(/>([^<>]{2,140})</g)]
    .map((x) => x[1].replace(/\s+/g, ' ').trim())
    .filter((t) => /^[A-Za-z0-9]/.test(t) && !/^\d+$/.test(t));

  for (const t of new Set(leaf)) {
    if (t.includes('http') || t.includes('assets/') || t.includes('©') || t.includes('@')) continue;
    if (!keys.has(t) && !i18nKeys.includes(t)) missingLeaf.add(t);
  }
}

console.log('=== data-i18n-key not in textMap ===');
[...missingKeys].sort().forEach((k) => console.log(k));
console.log('\n=== leaf text not in textMap (sample) ===');
[...missingLeaf].sort().slice(0, 60).forEach((k) => console.log(k));