'use strict';

const logger = require('../../logger');
const { serialize } = require('../../xml');

const {
  createdReports,
  registerReports,
  receiveReportData,
} = require('../../processes/report');

exports.postController = async (req, res) => {
  const parsedRequest = req.xml;
  let xmlResponse;

  try {
    let response;
    switch (parsedRequest._type) {
      case 'oadrRegisterReport':
        response = await registerReports(
          parsedRequest,
          req.clientCertificateCn,
          req.clientCertificateFingerprint,
        );
        break;
      case 'oadrCreatedReport':
        response = await createdReports(
          parsedRequest,
          req.clientCertificateCn,
          req.clientCertificateFingerprint,
        );
        break;
      case 'oadrUpdateReport':
        response = await receiveReportData(
          parsedRequest,
          req.clientCertificateCn,
          req.clientCertificateFingerprint,
        );
        break;
      default:
        throw new Error(`Unknown _type: ${parsedRequest._type}`);
    }
    xmlResponse = serialize(response);
  } catch (e) {
    logger.warn('Error occurred processing', parsedRequest || req.xml, e);
    const responseRequestId =
      parsedRequest != null ? parsedRequest.requestId : '';
    xmlResponse = serialize({
      _type: 'oadrResponse',
      responseCode: e.responseCode || '454',
      responseDescription: e.message || 'Unknown error',
      responseRequestId: responseRequestId || '',
    });
  }
  res.set('Content-Type', 'application/xml');
  res.send(xmlResponse);
  res.end();
};

exports.postErrorHandler = (error, next) => {
  logger.warn('Error in EiReport', { error });
  next(error);
};