// frontend/src/api.ts
import 'tus-js-client'

import type { UrlStorage } from 'tus-js-client'

declare module 'tus-js-client' {
  interface UploadOptions {
    /** Send cookies on CORS requests */
    withCredentials?: boolean
    /** Disable reading/writing resume URLs (older defs may miss this) */
    resume?: boolean
    /** Do not store fingerprints for resuming */
    storeFingerprintForResuming?: boolean
    /** Remove any stored fingerprint after a successful upload */
    removeFingerprintOnSuccess?: boolean
    /** Allow providing a no-op storage to fully disable resuming */
    urlStorage?: UrlStorage
  }
}

export async function api<T=any>(path: string, init?: RequestInit): Promise<T> {
  const r = await fetch(path, { credentials:'include', ...init });
  if (!r.ok) throw new Error(await r.text());
  const ct = r.headers.get('content-type') || '';
  if (ct.includes('json')) return r.json() as Promise<T>;
  // Fallback: try to parse body as JSON; otherwise return text
  const txt = await r.text();
  try { return JSON.parse(txt) as T } catch { return txt as any as T }
}

export type WhoAmI = { username: string; root: string };