node_helper.js

var NodeHelper = require('node_helper');

const fetch = require('node-fetch');

module.exports = NodeHelper.create({

    turnOffAllLights: function (url) {
        var self = this;
        fetch(url, {
            method: 'PUT',
            body: JSON.stringify({
                "on": false
            })    
        })
        .then(results => {
            self.sendSocketNotification("LIGHTS_TURNED_OFF", results);
        })
        .catch((error) => {
            self.sendSocketNotification("LIGHTS_TURNED_OFF", error);
        });
    },


    turnOnAllLights: function(url) {
        let self = this;
        fetch(url, {
            method: 'PUT',
            body: JSON.stringify({
                "on": true
            })    
        })
        .then(results => {
            self.sendSocketNotification("LIGHTS_TURNED_ON", results);
        })
        .catch((error) => {
            self.sendSocketNotification("LIGHTS_TURNED_ON", error);
        });
    },


    changeThemeAllLights: function(changeTheme) {
        let self = this;

        fetch(changeTheme.hueUrl, {
            method: 'PUT',
            body: JSON.stringify(changeTheme.theme) 
        })
        .then(results => {
            self.sendSocketNotification("LIGHTS_THEME_CHANGED", results);
        })
        .catch((error) => {
            self.sendSocketNotification("LIGHTS_THEME_CHANGED", error);
        });
    },  


    socketNotificationReceived: function(notification, payload) {
        if (notification === "TURN_OFF_LIGHTS") {
            this.turnOffAllLights(payload);
        }

        if (notification === "TURN_ON_LIGHTS") {
            this.turnOnAllLights(payload);
        }

        if (notification == "CHANGE_THEME") {
            this.changeThemeAllLights(payload);
        }
    }

});