import { NextApiRequest, NextApiResponse } from 'next';

import { linkResolver } from '../../prismic/resolvers';
import { initApi } from '../../prismic/api';

export default async (req: NextApiRequest, res: NextApiResponse): Promise<void> => {
  const token = req.query.token;
  if (token) {
    try {
      const { api } = await initApi(req);
      const url = await api.previewSession(token.toString(), linkResolver, '/');
      res.writeHead(302, { Location: url });
      res.end();
    } catch {
      res.status(400).send('Something went wrong with the previewSession request');
    }
  } else {
    res.status(400).send('Missing token from preview request');
  }
}