import type { Acc, User } from "./types";

const API_BASE_URL = process.env.API_BASE_URL ?? "http://api-server:3000";

type FetchInit = {
  method?: "GET" | "POST";
  body?: unknown;
  cache?: RequestCache;
};

export async function fetchApi(path: string, options: FetchInit = {}): Promise<unknown> {
  const url = `${API_BASE_URL}${path}`;
  const init: RequestInit = {
    method: options.method ?? "GET",
    cache: options.cache ?? "no-store",
    headers: options.body ? { "content-type": "application/json" } : undefined,
    body: options.body ? JSON.stringify(options.body) : undefined,
  };
  const res = await fetch(url, init);
  if (!res.ok) {
    throw new Error(`API ${options.method ?? "GET"} ${path} failed: ${res.status}`);
  }
  return res.json();
}

export async function getAccounts(): Promise<Acc[]> {
  const data = await fetchApi("/acc/");
  return data as Acc[];
}

export async function getUsers(): Promise<User[]> {
  const data = await fetchApi("/user/");
  return data as User[];
}