var personen = {
    "Heiko" : {
        "persönlichkeit": "Triggered gerne andere",
        "skill": "Kann gut lol Spielen"
    },
    "Dominik" : {
        "persönlichkeit": "Ist komisch",
        "skill": "ERROR: Skill.exe not found"
    },
}

exports.handler = function (event, context) {

    try {
        console.log("event.session.application.applicationId=" + event.session.application.applicationId);

		if(event.session.new){
		onSessionStarted({requestId: event.request.requestId}, event.session);
		}

		if (event.request.type === "LaunchRequest") {
		onLaunch(event.request,
			event.session,
			function callback(sessionAttributes, speechletResponse) {
				context.succeed(buildResponse(sessionAttributes, speechletResponse));
				});

		} else if (event.request.type === "IntenRequest") {
			onIntent(event.request,
				event.session,
				function callback(sessionAttributes, speechletResponse) {
					context.succeed(buildResponse(sessionAttributes, speechletResponse));
					});
		} else if (event.request.type === "SessionEndedRequest") {
			onSessionEnded(event.request, event.session);
			context.succeed();
		}

    } catch (e) {
        context.fail("Exception: " + e);
    }
};

function onSessionStarted(sessionStartedRequest, session){

}

function onLaunch(launchRequest, session, callback) {
	getWelcomeResponce(callback)
}

function onIntent (intentRequest, session, callback) {

	var intent = intentRequest.intent
	var intentName = intentRequest.intent.name;

	if(intentName == "TestIntent") {
		handleTestResponse(intent, session, callback)

	} else if (intentName == AMAZON.YesIntent) {
		handleYesResponce(intent, session, callback)

	} else if (intentName == AMAZON.NoIntent) {
		handleNoResponce(intent, session, callback)

	} else if (intentName == AMAZON.HelpIntent) {
		handleGetHelpRequest(intent, session, callback)

	} else if (intentName == AMAZON.StopIntent) {
		handleFinishSessionRequest(intent, session, callback)

	} else if (intentName == AMAZON.CancelIntent) {
		handleFinishSessionRequest(intent, session, callback)

	}else {
		throw "Invalid intent"
	}

}

function onSessionEnded(sessionEndedRequest, session) {

}

function getWelcomeResponce(callback) {
	var speechOutput = "Jo digga was geht?" + "Willst du etwas über Heiko oder Dominik erfahren?"

	var reprompt = "Alter, was ist das nur für 1 Life entscheide dich mal!"

	var header = "Random Infos"

	var shouldEndSession = false

	var sessionAttributes = {
	"speechOutput" : speechOutput,
	"reprompt" : reprompt
	}
	callback(sessionAttributes, buildSpeechletResponse(header, speechOutput, reprompt, shouldEndSession))
}


function handleTestResponse(intent, session, callback) {

	var person = intent.slots.Test.value.toLowerCase()

	if(!personen[person]) {
		var speechOutput = "Alter, das Ist keine verfügbare Möglichkeit du noob"
		var repromptText = "Versuch halt mal was anderes wie z.B Heiko oder Dominik"
		var header = "Nicht Verfügbar"
	} else {
		var persönlichkeit = personen[person].persönlichkeit
		var skill = personen[person].skill
		var speechOutput = capitalizeFirst(person) + " " + persönlichkeit + " und " + skill + ". Willst noch was anderes Wissen?"
		var repromptText = "Willst noch was anderes Wissen?"
		var header = capitalizeFirst(person)
	}

	var shouldEndSession = false;

	callback(session.attributes, buildSpeechletResponse(header, speechOutput, repromptText, shouldEndSession))
}

function handleYesResponce(intent, session, callback) {

	var speechOutput = "Ok über wen willst du etwas erfahren? Es gibt Heiko und Dominik"
	var repromptText = speechOutput
	var shouldEndSession = false

	callback(session.attributes , buildSpeechletResponseWithoutCard(speechOutput,repromptText,shouldEndSession))

}

function handleNoResponce(intent, session, callback) {

	handleFinishSessionRequest(intent,session,callback)

}

function handleGetHelpRequest(intent, session, callback) {

	if(!session.attributes) {
		session.attributes = {};
	}

	var speechOutput = "Ich kann die alles über diese Personen sagen: Heiko, Dominik"
	var repromptText = speechOutput
	var shouldEndSession = false;

	callback(session.attributes,buildSpeechletResponseWithoutCard(speechOutput, repromptText, shouldEndSession))

}

function handleFinishSessionRequest(intent, session, callback) {

	callback(session.attributes,
		buildSpeechletResponseWithoutCard("Tschau du Lappen","Bis bald",true));

}

// ------- Helper functions to build responses for Alexa -------
function buildSpeechletResponse(title, output, repromptText, shouldEndSession) {
    return {
        outputSpeech: {
            type: "PlainText",
            text: output
        },
        card: {
            type: "Simple",
            title: title,
            content: output
        },
        reprompt: {
            outputSpeech: {
                type: "PlainText",
                text: repromptText
            }
        },
        shouldEndSession: shouldEndSession
    };
}

function buildSpeechletResponseWithoutCard(output, repromptText, shouldEndSession) {
    return {
        outputSpeech: {
            type: "PlainText",
            text: output
        },
        reprompt: {
            outputSpeech: {
                type: "PlainText",
                text: repromptText
            }
        },
        shouldEndSession: shouldEndSession
    };
}

function buildResponse(sessionAttributes, speechletResponse) {
    return {
        version: "1.0",
        sessionAttributes: sessionAttributes,
        response: speechletResponse
    };
}

function capitalizeFirst (s) {

	return s.charST(0).toUpperCase() + s.slice(1)
}