/**
 * Wrapper around fetch that prepends the Next.js basePath so API calls
 * reach the correct backend when deployed under a sub-path (e.g. /ppt-tool).
 *
 * basePath is read from next.config.mjs at build time via next/config.
 * Usage: apiFetch('/api/v1/...', options)  — identical to fetch(), just works.
 */
import getConfig from 'next/config';

const { publicRuntimeConfig } = getConfig() ?? {};
const BASE_PATH: string = publicRuntimeConfig?.basePath ?? '';

export function apiFetch(path: string, init?: RequestInit): Promise<Response> {
  const url = path.startsWith('/api/') ? `${BASE_PATH}${path}` : path;
  return fetch(url, init);
}