import type { ExternalFetch, GetSession, Handle } from '@sveltejs/kit';
import * as cookie from 'cookie';
import { serverEndpoint } from '$lib/constants';
import { session } from '$app/stores';


export const handle: Handle = async ({ event, resolve, }) => {
  const cookies = cookie.parse(event.request.headers.get('cookie') || '');

  if (!cookies.session) {
    return await resolve(event)
  }

  try {
    const { email, isAdmin, firstName, lastName, id, accessToken } = JSON.parse(cookies.session);

    const res = await fetch(`${serverEndpoint}/auth/validateToken`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${accessToken}`
      }
    })

    if (res.status === 201) {
      event.locals.user = {
        id,
        accessToken,
        firstName,
        lastName,
        isAdmin,
        email
      };
    }

    const response = await resolve(event);

    return response;
  } catch (error) {
    console.log('Error parsing session', error);
    return await resolve(event);
  }

};

export const getSession: GetSession = async ({ locals }) => {

  if (!locals.user) return {}

  return {
    user: {
      id: locals.user.id,
      accessToken: locals.user.accessToken,
      firstName: locals.user.firstName,
      lastName: locals.user.lastName,
      isAdmin: locals.user.isAdmin,
      email: locals.user.email
    }
  }
}