#!/usr/bin/env node
// Fails build if any CDN references are found in dist/
import { readdirSync, readFileSync, statSync } from 'fs';
import { join } from 'path';

const CDN_PATTERNS = [
  /cdn\./i,
  /googleapis\.com/i,
  /gstatic\.com/i,
  /cloudflare\.com\/ajax/i,
  /jsdelivr\.net/i,
  /unpkg\.com/i,
  /bootstrapcdn/i,
  /cdnjs\.cloudflare/i,
];

const ALLOWED = [
  'teknavglobal.com',
  'teknav.ir',
  'x.com',
  'twitter.com',
  'linkedin.com',
];

function walk(dir) {
  const results = [];
  for (const f of readdirSync(dir)) {
    const p = join(dir, f);
    if (statSync(p).isDirectory()) results.push(...walk(p));
    else if (f.endsWith('.html') || f.endsWith('.js') || f.endsWith('.css')) results.push(p);
  }
  return results;
}

let errors = 0;
for (const file of walk('dist')) {
  const content = readFileSync(file, 'utf8');
  for (const pattern of CDN_PATTERNS) {
    const matches = content.match(new RegExp(pattern.source, 'gi'));
    if (matches) {
      const filtered = matches.filter(m => !ALLOWED.some(a => m.includes(a)));
      if (filtered.length) {
        console.error(`[check-no-cdn] ${file}: ${filtered.join(', ')}`);
        errors++;
      }
    }
  }
}

if (errors > 0) {
  console.error(`[check-no-cdn] FAILED: ${errors} CDN references found`);
  process.exit(1);
}
console.log('[check-no-cdn] clean — no external CDN references found');