// api.js
let loaderTimeout = null;

function showLoader() {
  const loader = document.getElementById('globalLoader');
  if (!loader) return;

  clearTimeout(loaderTimeout);
  loader.classList.remove('d-none');
}

function hideLoader() {
  const loader = document.getElementById('globalLoader');
  if (!loader) return;

  loaderTimeout = setTimeout(() => {
    loader.classList.add('d-none');
  }, 200); // задержка 0.2 сек
}

export async function apiRequest(url, payload = {}, method = 'POST') {
  method = typeof method === 'string' ? method.toUpperCase() : 'POST';

  let finalUrl = url;
  let options = {
    method,
    headers: {
      'Content-Type': 'application/json',
      'Accept': 'application/json'
    },
    credentials: 'same-origin'
  };

  if (method === 'GET') {
    const params = new URLSearchParams(payload);
    finalUrl = `${url}?${params.toString()}`;
  } else {
    options.body = JSON.stringify(payload);
  }

  showLoader();

  try {
    const res = await fetch(finalUrl, options);

    if (!res.ok) {
      const text = await res.text();
      throw new Error(`HTTP ${res.status}: ${text}`);
    }

    return await res.json();
  } finally {
    hideLoader();
  }
}