3
    artist:
      "Red Hot Chili Peppers"
    id:
      "4"
    maxEmotion:
      "anger"
    score:
      "0.578864"
    song:
      "Suck My Kiss"
    spotifyCode:
      "spotify:track:0psB5QzGb4653K0uaPgEyh"

'use strict';

const functions = require('firebase-functions');
const admin = require('firebase-admin');
const {WebhookClient} = require('dialogflow-fulfillment');

admin.initializeApp({
  credential: admin.credential.applicationDefault(),
  databaseURL: 'ws://mood-magic-four-ptwvjb.firebaseio.com/'
});

exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
  const agent = new WebhookClient({ request, response });



  //4
    function playAngrySong (agent) {
    // Get the database collection 'dialogflow' and document 'agent'

    return admin.database().ref((`3`) ).once('value').then((snapshot)  => {
      const song = snapshot.child('song').val();
      const artist = snapshot.child('artist').val();

        agent.add(`I will play ${song} by ${artist}`);

// THIS IS WHERE I NEED THE POST TO THE SPOTIFY API

   });
  }

  // Map from Dialogflow intent names to functions to be run when the intent is matched
  let intentMap = new Map();
  intentMap.set('-Angry - yes', playAngrySong);
  agent.handleRequest(intentMap);
});