import { HttpRequestOptions, HttpResponse, withRetry } from "./imports";

export async function fetchRequest<T = any>(
  method: string,
  url: string,
  body?: any,
  options: HttpRequestOptions = {}
): Promise<HttpResponse<T>> {

  const exec = async () => {
    const controller = new AbortController();
    const timeout = options.timeout ?? 8000;

    const timer = setTimeout(() => controller.abort(), timeout);

    const res = await fetch(url, {
      method,
      headers: { "Content-Type": "application/json", ...(options.headers || {}) },
      body: body ? JSON.stringify(body) : undefined,
      signal: controller.signal
    });

    clearTimeout(timer);

    // consistent with axios
    const data = options.json === false ? await res.text() : await res.json().catch(() => null);

    if (!res.ok) {
      throw new Error(`Fetch error: ${res.status} ${res.statusText}`);
    }

    return { status: res.status, data, headers: {} };
  };

  return withRetry(exec, options.retry);
}