global.restify = require('restify');

global.builder = require('botbuilder');

global.lodash = require('lodash');

global.promise = require('bluebird');

global.request = require('request-promise');

// Misc.

global.attachments = require('./lib/attachments');

global.jokes = require('./data/jokes.json');

// Cognitive Service Clients.

const QnAClient = require('./lib/qnaclient');

const BingSearchClient = require('./lib/bingsearchclient');

const SentimentAnalyzerClient = require('./lib/sentimentanalyzerclient');

const DialogAnalyzerClient = require('./lib/dialoganalyzerclient');

// Environment variables

const BOTBUILDER_APP_ID = process.env.BOTBUILDER_APP_ID;

const BOTBUILDER_APP_PASSWORD = process.env.BOTBUILDER_APP_PASSWORD;

const LUIS_MODEL = process.env.LUIS_MODEL;

const KB_ID = process.env.KB_ID;

const QNA_KEY = process.env.QNA_KEY;

const QNA_URL = process.env.QNA_URL;

const BING_SEARCH_CONFIG = process.env.BING_SEARCH_CONFIG;

const BING_SEARCH_KEY = process.env.BING_SEARCH_KEY;

const TEXT_ANALYTICS_KEY = process.env.TEXT_ANALYTICS_KEY;

const TEXT_ANALYTICS_URL = process.env.TEXT_ANALYTICS_URL;

const DIALOG_ANALYZER_CLIENTID = process.env.DIALOG_ANALYZER_CLIENTID;

const DIALOG_ANALYZER_KEY = process.env.DIALOG_ANALYZER_KEY;

const DIALOG_ANALYZER_URL = process.env.DIALOG_ANALYZER_URL;

// Check to see if the environment has been set.

if (!(BOTBUILDER_APP_ID &&

BOTBUILDER_APP_PASSWORD &&

LUIS_MODEL &&

KB_ID &&

QNA_KEY &&

QNA_URL &&

BING_SEARCH_CONFIG &&

BING_SEARCH_KEY &&

TEXT_ANALYTICS_KEY &&

TEXT_ANALYTICS_URL &&

DIALOG_ANALYZER_CLIENTID &&

DIALOG_ANALYZER_KEY &&

DIALOG_ANALYZER_URL

)) {

console.log(`Missing one of BOTBUILDER_APP_ID, BOTBUILDER_APP_PASSWORD, \

LUIS_MODEL, KB_ID, QNA_KEY, QNA_URL, BING_SEARCH_CONFIG, BING_SEARCH_KEY, \

TEXT_ANALYTICS_KEY, TEXT_ANALYTICS_URL, DIALOG_ANALYZER_CLIENTID, DIALOG_ANALYZER_KEY or DIALOG_ANALYZER_URL \

in environment variables!`);

process.exit(1);

}

// QnAClient allows simple question and answer style responses.

global.qnaClient = new QnAClient({

knowledgeBaseId: KB_ID,

subscriptionKey: QNA_KEY

});

// Search the web for results.

global.bingSearchClient = new BingSearchClient({

bingSearchConfig: BING_SEARCH_CONFIG,

bingSearchKey: BING_SEARCH_KEY

});

// Determine user mood from text

global.sentimentAnalyzerClient = new SentimentAnalyzerClient({

key: TEXT_ANALYTICS_KEY

});

global.dialogAnalyzerClient = new DialogAnalyzerClient({

clientId: DIALOG_ANALYZER_CLIENTID,

key: DIALOG_ANALYZER_KEY,

url: DIALOG_ANALYZER_URL

});

// Setup Restify Server

const server = restify.createServer();

server.listen(process.env.port || process.env.PORT || 3978, () => {

console.log('%s listening to %s', server.name, server.url);

});

// Create chat connector for communicating with the Bot Framework Service

const connector = new builder.ChatConnector({

appId: BOTBUILDER_APP_ID,

appPassword: BOTBUILDER_APP_PASSWORD

});

// Serves a nice web site, that has the bot framework web chat component.

server.get('/', restify.plugins.serveStatic({

'directory': `${__dirname}/static`,

'default': 'index.html'

}));

// Listen for messages from users

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

// Create a LUIS recognizer for our bot, to identify intents from

// user text.

const recognizer = new builder.LuisRecognizer(LUIS_MODEL);

// Create our bot to listen in on the chat connector.

global.bot = new builder.UniversalBot(connector, (session) => {

session.beginDialog('sobot:search')

});

bot.recognizer(recognizer);

bot.use(builder.Middleware.sendTyping());

// Sends a nice greeting on a new message.

bot.on('conversationUpdate', (message) => {

if (!message.membersAdded) {

return;

}

message.membersAdded.forEach((identity) => {

if (identity.id !== message.address.bot.id) {

return;

}

bot.send(new builder.Message()

.address(message.address)

.text(`👋 Hello! I'm Stack Overflow's Resident Expert Bot 🤖 \

and I'm here to help you find questions, answers, or to \

just entertain you with a joke. Go ahead - ask me something!`

));

});

});

// Promise for obtaining JWT Token (requested once)

global.obtainToken = promise.promisify(connector.getAccessToken.bind(connector));

global.bingSearchQuery = async (session, args) => {

session.send("Hmm... Searching...");

session.sendTyping();

if (!args) {

return;

}

if (!args.query) {

return;

}

if (!args.fullTextQuery) {

args.fullTextQuery = args.query;

}

// Start and wait for Bing Search results.

let searchResults = await fetchBingSearchResults(args.query);

// Process search results

if (searchResults && searchResults.length > 0) {

session.send("I found the following results from your question...");

session.send(attachments.buildResultsMessageWithAttachments(session, searchResults));

return session.endDialog("Feel free to ask me another question, or even ask for a joke!");

} else {

return session.endDialog('Sorry… couldnt find any results for your query! 🤐');

}

}

global.filterforUsefulResults = (resultsArray) => {

const resultsCount = resultsArray.length > 10 ? 10 : resultsArray.length;

return lodash.slice(resultsArray, 0, resultsCount);

};

global.fetchBingSearchResults = async (query) => {

var searchResults = [];

await bingSearchClient.get({ searchText: query }, (err, res) => {

if (err) {

console.error('Error from callback:', err);

} else if (res && res.webPages && res.webPages.value && res.webPages.value.length > 0) {

for (var index = 0; index < res.webPages.value.length; index++) {

var val = res.webPages.value[index];

var result = {

title: val.name,

body_markdown: val.snippet,

link: val.url

};

searchResults.push(result);

}

}

});

return searchResults;

}

global.cleanQueryString = (query, removePunctuation) => {

let retQuery = query.toLowerCase();

if (removePunctuation) {

retQuery = retQuery.replace(/[^\w\s]|_/g, "");

}

retQuery = retQuery.replace(/\s+/g, " ");

return retQuery.trim();

}

// Dialogs

require('./dialogs/brain')();

require('./dialogs/joke')();

require('./dialogs/keywordPrompt')();

require('./dialogs/languages')();

require('./dialogs/menu')();

require('./dialogs/screenshot')();

require('./dialogs/search')();

require('./dialogs/smalltalk')();