import { cookies } from 'next/headers';
import { redirect } from 'next/navigation';

/**
 * Server-side fetch wrapper with authentication.
 */
export async function fetchServer<T = unknown>(
  endpoint: string,
  options: RequestInit = {}
): Promise<T> {
  const cookieStore = cookies();
  const authToken = cookieStore.get('Authorization')?.value;

  if (!authToken) redirect('/login');

  try {
    const res = await fetch(`${process.env.NEXT_PUBLIC_API_URL}${endpoint}`, {
      ...options,
      headers: {
        'Content-Type': 'application/json',
        Authorization: `Bearer ${authToken}`,
        ...options.headers,
      },
      cache: 'no-store',
    });

    if (res.status === 401) redirect('/login');
    if (!res.ok) throw new Error(`Request failed: ${res.statusText}`);

    return res.json();
  } catch (error) {
    console.error(`Server request to ${endpoint} failed:`, error);
    throw error;
  }
}