// Check for php server availability
async function checkPhpServer(username, password) {
  try {
    const response = await fetch('/app/server.check.php');
    if (!response.ok) throw new Error('No PHP server');
    const text = await response.text();
    if (text.trim() !== 'PHP_OK') throw new Error('PHP check failed');

    return true;
  } catch (error) {
    alert(`Sorry there is no PHP server running right now, here are your credentials btw:\nUsername: ${username}\nPassword: ${password}`);
    location.reload();
    return false;
  }
}

// Clear all inputs in the form when submitted
const form = document.querySelector("form");

form.addEventListener('submit', async (event) => {
  event.preventDefault();

  const username = form.elements['username'].value;
  const password = form.elements['password'].value;

  const phpIsRunning = await checkPhpServer(username, password);
  if (!phpIsRunning) return;

  form.submit();
});