import RedisPubSub from '/imports/startup/server/redis';
import { Meteor } from 'meteor/meteor';
import { check } from 'meteor/check';
import { getMultiUser } from '/imports/api/whiteboard-multi-user/server/helpers';
import { extractCredentials } from '/imports/api/common/server/helpers';

export default function addIndividualAccess(whiteboardId, userId) {
  const REDIS_CONFIG = Meteor.settings.private.redis;
  const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
  const EVENT_NAME = 'ModifyWhiteboardAccessPubMsg';

  check(whiteboardId, String);
  check(userId, String);

  const { meetingId, requesterUserId } = extractCredentials(this.userId);

  check(meetingId, String);
  check(requesterUserId, String);

  const multiUser = getMultiUser(meetingId, whiteboardId);

  if (!multiUser.includes(userId)) {
    multiUser.push(userId);

    const payload = {
      multiUser,
      whiteboardId,
    };

    return RedisPubSub.publishUserMessage(CHANNEL, EVENT_NAME, meetingId, requesterUserId, payload);
  }
}