'use strict';

const Nantum = require('@hw/edge-sdks');
const { API } = Nantum;
const logger = require('../logger');
const { company, nantumUrl } = require('../config');

const { request } = API({ company, logger });

async function getVen(clientCertificateFingerprint) {
  const results = await request({
    uri: `${nantumUrl}/oadr_vens`,
    query: {
      client_certificate_fingerprint: clientCertificateFingerprint,
    },
  });
  return results[0];
}

async function createVen(ven) {
  await request({
    method: 'POST',
    uri: `${nantumUrl}/oadr_vens`,
    body: ven,
  });
}

async function updateVen(id, newProperties) {
  await request({
    method: 'PUT',
    uri: `${nantumUrl}/oadr_vens/${id}`,
    body: newProperties,
  });
}

async function getEventResponse(ven, eventId, modificationNumber) {
  const results = await request({
    uri: `${nantumUrl}/oadr_event_responses`,
    query: {
      ven_id: ven._id,
      event_id: eventId,
      modification_number: modificationNumber,
    },
  });
  return results[0];
}

async function createEventResponse(eventResponse) {
  await request({
    method: 'POST',
    uri: `${nantumUrl}/oadr_event_responses`,
    body: eventResponse,
  });
}

async function updateEventResponse(id, newProperties) {
  await request({
    method: 'PUT',
    uri: `${nantumUrl}/oadr_event_responses/${id}`,
    body: newProperties,
  });
}

async function markEventAsSeen(ven, eventId, modificationNumber) {
  //TODO: potentially racy. Consider breaking out `seen_events` into its own document.
  const existing = ven.seen_events || [];
  await request({
    method: 'PUT',
    uri: `${nantumUrl}/oadr_vens/${ven._id}`,
    body: {
      seen_events: [
        ...existing,
        {
          event_id: eventId,
          modification_number: modificationNumber,
        },
      ],
    },
  });
}

async function getEvents() {
  return await request({
    uri: `${nantumUrl}/oadr_events`,
    query: {},
  });
}

async function sendReportReadings(ven, readings) {
  logger.info(
    'received report readings',
    ven._id,
    JSON.stringify(readings, null, 2),
  );
}

module.exports = {
  getEvents,
  getEventResponse,
  createEventResponse,
  updateEventResponse,
  markEventAsSeen,
  getVen,
  updateVen,
  createVen,
  sendReportReadings,
};