Wear Assistant

var APP_ID = /* removed */;

var AlexaSkill = require('./AlexaSkill');
var http = require("http");
var CryptoJS = require("crypto-js");

var GOODBYE_SENTENCES = ["Have a nice day!", "Goodbye!", "Bye!", "Cheers!"];

var WearAssistant = function () {
    AlexaSkill.call(this, APP_ID);
};

WearAssistant.prototype = Object.create(AlexaSkill.prototype);
WearAssistant.prototype.constructor = WearAssistant;

WearAssistant.prototype.eventHandlers.onSessionStarted = function (sessionStartedRequest, session) {
    console.log("WearAssistant onSessionStarted requestId: " + sessionStartedRequest.requestId
        + ", sessionId: " + session.sessionId);
};

WearAssistant.prototype.eventHandlers.onLaunch = function (launchRequest, session, response) {
    console.log("WearAssistant onLaunch requestId: " + launchRequest.requestId + ", sessionId: " + session.sessionId);
    getWelcomeResponse(session, response);
};

WearAssistant.prototype.eventHandlers.onSessionEnded = function (sessionEndedRequest, session) {
    console.log("WearAssistant onSessionEnded requestId: " + sessionEndedRequest.requestId
        + ", sessionId: " + session.sessionId);
};

WearAssistant.prototype.intentHandlers = {
	"SimpleWearSuggestion": function (intent, session, response) {
        getSimpleWearSuggestion(intent, session, response);
    },
	
    "AMAZON.HelpIntent": function (intent, session, response) {
        getWelcomeResponse(session, response);
    },

    "AMAZON.StopIntent": function (intent, session, response) {
        response.tell(GOODBYE_SENTENCES[Math.floor(Math.random() * GOODBYE_SENTENCES.length)]);
    },

    "AMAZON.CancelIntent": function (intent, session, response) {
        response.tell(GOODBYE_SENTENCES[Math.floor(Math.random() * GOODBYE_SENTENCES.length)]);
    }
};

function getSimpleWearSuggestion(intent, session, response) {
	
	var city = intent.slots.City;
	if (typeof city === 'undefined' || !('value' in city))
	{
		getWelcomeResponse(session, response);
	}
	
	var url = /* removed */;
	var seconds = parseInt(new Date().getTime() / 1000);
	var seed = /* removed */;
	console.log("Calculating secret for " + (seconds + seed));
	var secret = CryptoJS.MD5(seconds + seed);
	url = url + "?secret=" + secret + "&city=" + city.value;
	
	console.log("Calling URL: " + url);
	
	http.get(url, function (result) {
		console.log('Response code: ' + result.statusCode);
		
		if (result.statusCode == 200) {
			outText = 'Done!';
			var body = '';
			result.on('data', function (chunk) {
				body += chunk;
			});
			result.on('end', function () {
				var responseObject = JSON.parse(body);
				
				if (responseObject['status'] === 'CITY_NOT_FOUND') {
					console.log("city not found");
					outText = responseObject['textToSay'];
					var responseType = AlexaSkill.speechOutputType.PLAIN_TEXT;
					console.log(responseObject['responseType']);
					if (responseObject['responseType'] === 'SSML') {
						responseType = AlexaSkill.speechOutputType.SSML;
					}
					var speechOutput = {
						speech: outText,
						type: responseType
					};
					response.tell(speechOutput);
				} else {
					console.log("city found");
					outText = responseObject['textToSay'];
					var responseType = AlexaSkill.speechOutputType.PLAIN_TEXT;
					console.log(responseType);
					var speechOutput = {
						speech: outText,
						type: responseType
					};
					
					var cardTitle = responseObject['cardTitle'];
					var cardContent = responseObject['cardContent'];					
					response.tellWithCard(speechOutput, cardTitle, cardContent);
				}
			});
		}
		else
		{
			outText = 'There was a problem, I am not able to retrieve information from Internet. Sorry!';
			var speechOutput = {
				speech: outText,
				type: AlexaSkill.speechOutputType.PLAIN_TEXT
			};
			response.tell(speechOutput);
		}
		
	});
}

function getWelcomeResponse(session, response) {
	var speechText = "Wear Assistant is here to assist you. Do not care to check the weather today, I can check it for you and I'll tell you what clothes you should wear today. Tell me the city where you are living, and I will tell you the perfect way to dress.";
	var repromptText = "Please tell me the town.";
	var speechOutput = {
		speech: speechText,
		type: AlexaSkill.speechOutputType.PLAIN_TEXT
	};
	var repromptOutput = {
		speech: repromptText,
		type: AlexaSkill.speechOutputType.PLAIN_TEXT
	};
	response.ask(speechOutput, repromptOutput);
}


exports.handler = function (event, context) {
    var wearAssistant = new WearAssistant();
    wearAssistant.execute(event, context);
};