import {C4CApiHandler, C4CApiRequest, C4CApiResponse} from "../index";

const protocolMiddleware = (req: C4CApiRequest, res: C4CApiResponse, next: () => void) => {
  if (
    req.headers['x-client-proto'] === 'http'
  ) {
    const params = new URLSearchParams();
    for (let key in req.queryStringParameters) {
      params.append(key, req.queryStringParameters[key] as string);
    }
    const query = params.toString();
    const redirectUrl = `https://${process.env.DOMAIN}${req.path}${
      query ? '?' : ''
    }${query}`;
    res.redirect(redirectUrl);
  } else {
    if (next) {
      next();
    }
  }
};

export default protocolMiddleware as C4CApiHandler;