const functions = require('firebase-functions');
const admin = require('firebase-admin');
admin.initializeApp();
const language = require('@google-cloud/language');
const client = new language.LanguageServiceClient();
const express = require('express');
const app = express();

app.post('/calculateAverage', async (request, response) => {

  const bodyUserId = request.body.id
  let query = admin.database().ref(`/user_info/`);

  try {
    const snapshot = await query.once('value');
    snapshot.forEach((childSnapshot) => {
      console.log("key: " + childSnapshot.key + " value: " + childSnapshot.val())
    });

    response.send({"snapshot await": "ok"});
  } catch(error) {
    console.log('Error getting messages', error.message);
    response.send({"snapshot await error": error.message});
}