// api.js
export async function apiRequest(url, payload = {}, method = 'POST') {
  method = method.toUpperCase();

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

  // --- Если GET → добавляем payload в URL ---
  if (method === 'GET') {
    const params = new URLSearchParams(payload);
    finalUrl = `${url}?${params.toString()}`;
  } else {
    // --- Для остальных методов → отправляем body ---
    options.body = JSON.stringify(payload);
  }

  const res = await fetch(finalUrl, options);

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

  return res.json();
}