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//DEMO-QNA2.JS
// Demonstrates use of the QnA Service

// Combines:
//https://stackoverflow.com/questions/42629688/begin-dialog-with-qna-maker-bot-framework-recognizer-node-js
//and
//https://github.com/Microsoft/BotBuilder-CognitiveServices/blob/master/Node/samples/QnAMakerSimpleBot/app.js
'use strict';
// 01. Include required files
require('dotenv-extended').load();
var restify = require('restify'); 
var builder = require('botbuilder');
var cognitiveservices = require('botbuilder-cognitiveservices');
// ---------------------------------------------------------------------------------------------------------------------
// 02. Setup Restify Server
var server = restify.createServer();

// 03. Configure listen for messages
server.listen(process.env.PORT || 3978, function() 
{
   console.log('%s listening to %s', server.name, server.url); 
});

// 04. Create chat bot
var connector = new builder.ChatConnector
 ({
     appId: process.env.MICROSOFT_APP_ID,
     appPassword: process.env.MICROSOFT_APP_PASSWORD
 });

var bot = new builder.UniversalBot(connector);

// 05. Listen for messages
server.post('/api/messages', connector.listen());

// 06. Serve static files
server.get(/.*/, restify.serveStatic({
    directory: __dirname,
    'default': 'index.html'
}));

var recognizer = new cognitiveservices.QnAMakerRecognizer({
	knowledgeBaseId: '69b068c4-3487-4f08-9986-6c2e53df8b83', 
	subscriptionKey: '3f7dd24004444c8489eb23aa2d661102'});
	
var basicQnAMakerDialog = new cognitiveservices.QnAMakerDialog({
	recognizers: [recognizer],
	defaultMessage: 'No match! Try changing the query terms!',
	qnaThreshold: 0.3
});

    bot.dialog('/', [
        function(session){
            session.beginDialog('welcome');
        },
        function(session, results){
            if (results.response == 'Rocco') {
                session.say ('Hi boss!');
            } else {
                session.beginDialog('dialog');
            }
        }
    ]);

    bot.dialog('welcome', [
        function (session) {
            // Send a greeting and show help.
            builder.Prompts.text(session, "Hi! How can I help you?");
        }
    ]);

    bot.dialog('dialog', basicQnAMakerDialog);