'use strict';

const { parseXML } = require('../parser');

const { parse: parseOadrPoll } = require('./oadr-poll');
const { parse: parseOadrResponse } = require('./oadr-response');
const {
  parse: parseOadrDistributeEvent,
} = require('../event/distribute-event');

async function parse(input) {
  const json = await parseXML(input);
  const o = json['oadrPayload']['$$']['oadrSignedObject'][0]['$$'];

  if (o['oadrPoll']) {
    return await parseOadrPoll(input);
  } else if (o['oadrResponse']) {
    return await parseOadrResponse(input);
  } else if (o['oadrDistributeEvent']) {
    return await parseOadrDistributeEvent(input);
  }

  throw new Error(`Unexpected payload type: ${Object.keys(o)}`);
}

module.exports = {
  parse,
};