#!/usr/bin/env node
// ponytail: 30-line structural guard, not a render test. Catches drift, not pixels.
const fs = require('fs');
const path = require('path');

const dir = path.join(__dirname, '..', 'email');
const files = fs.readdirSync(dir).filter((f) => f.endsWith('.html'));

const failures = [];
for (const f of files) {
  const src = fs.readFileSync(path.join(dir, f), 'utf8');
  const checks = [
    [/IMPORT emails\/partials\/header\.(html|tpl)/, 'missing header IMPORT'],
    [/IMPORT emails\/partials\/footer\.(html|tpl)/, 'missing footer IMPORT'],
    [/<!-- preheader -->/, 'missing preheader marker'],
  ];
  for (const [re, msg] of checks) {
    if (!re.test(src)) failures.push(`${f}: ${msg}`);
  }
}

if (failures.length) {
  console.error('Email template check FAILED:\n' + failures.join('\n'));
  process.exit(1);
}

console.log(`Email template check passed (${files.length} templates).`);