import createClient, { type Middleware } from 'openapi-fetch';
import type { paths } from './schema';
import { config } from '../config';

let getAccessToken: () => string | null = () => null;
let onUnauthorized: () => void = () => {};

export function configureAuth(opts: {
  getAccessToken: () => string | null;
  onUnauthorized: () => void;
}) {
  getAccessToken = opts.getAccessToken;
  onUnauthorized = opts.onUnauthorized;
}

const authMiddleware: Middleware = {
  async onRequest({ request }) {
    const token = getAccessToken();
    if (token) {
      request.headers.set('Authorization', `Bearer ${token}`);
    }
    return request;
  },
  async onResponse({ response }) {
    if (response.status === 401) {
      onUnauthorized();
    }
    return response;
  },
};

export const api = createClient<paths>({ baseUrl: config.apiBaseUrl });
api.use(authMiddleware);