/* eslint-disable @typescript-eslint/no-unsafe-function-type */
import { MercuriusContext } from 'mercurius';

const isCallback = (
  maybeFunction: unknown | Function
): maybeFunction is Function => typeof maybeFunction === 'function';

export const withAuth = <T>(callback: T) =>
  async function (
    _: unknown,
    __: unknown,
    context: MercuriusContext,
    info: unknown
  ) {
    if (!context.jwt) {
      throw new Error('Not authenticated!');
    }
    return isCallback(callback) && callback(_, __, context, info);
  };