import type { RequestEvent, ResolveOpts } from "@sveltejs/kit";
import * as cookie from "cookie";

import * as cookieNames from "$lib/cookieNames";

export async function handle(input: {
  event: RequestEvent;
  opts?: ResolveOpts;
  resolve(event: RequestEvent, opts?: ResolveOpts): Promise<Response>;
}): Promise<Response> {
  const header = input.event.request.headers.get("cookie");
  const cookies = header ? cookie.parse(header) : {};
  const token: string | undefined = cookies[cookieNames.TOKEN];

  input.event.locals = {
    ...input.event.locals,
    user: {
      token,
    },
  };

  return input.resolve(input.event, input.opts);
}

export async function getSession(event: RequestEvent): Promise<App.Session> {
  return {
    user: {
      token: event.locals.user.token,
    },
  };
}