/**
 * Lấy API URL từ environment variable
 */
const getApiUrl = (): string => {
  const apiUrl = process.env.NEXT_PUBLIC_API_URL;

  if (!apiUrl) {
    console.warn('NEXT_PUBLIC_API_URL is not set. Using default http://localhost:3001');
    return 'http://localhost:3001';
  }

  return apiUrl;
};

/**
 * Fetch home page data từ API
 * @returns Promise<any>
 * @throws Error nếu fetch thất bại
 */
export const fetchHomeData = async (): Promise<any> => {
  const apiUrl = getApiUrl();
  const url = `${apiUrl}/api/home`;

  try {
    const response = await fetch(url, {
      method: 'GET',
      headers: {
        'Content-Type': 'application/json',
      },
      cache: 'no-store',
    });

    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }

    const data = await response.json();
    return data;
  } catch (error) {
    console.error('Error fetching home data:', error);
    return null; // Trả về null để fallback sang dữ liệu local
  }
};