wit

wirt.js

var express = require('express');
var app = express();
var path = require('path');
var chatflow = require('./chatflow.js');

const fs = require('fs');
const request = require('request');
const url  = require('url');
const https = require('https');

var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(express.static('public'))
var rootCas = require('ssl-root-cas').create();

require('https').globalAgent.options.ca = rootCas;

var html = '';
var newlyAddedTags = '';
var nextMsgId = 0;
var DataTable = [[]];
var prevMsg = DataTable[0][1];

// viewed at http://localhost:8080
app.get('/', function(req, res) {
  var nextMsgId = 0;
    res.sendFile(path.join(__dirname + './public/index.html'));
});

app.get('/dat',function(req, res){
    console.log("inside /dat "+ req );
    var  msg = "";
    if (req.method == 'GET') {
        msg = req.query.input1;
        console.log("Inside req method"  +  msg );
        intent = "";
        if ("text" != DataTable[nextMsgId][2]) {
            intent = String(getWitResponse(msg)).toLowerCase();
            console.log("Inside nested req method"  +  intent );
        } else if ('text' === DataTable[nextMsgId][2]) {
                intent='text';
            }
        if (nextMsgId == 0) {
            prevMsg=DataTable[0][1];
        }
     if (intent.length > 0 ){
        nextMsgId = getNextMsgId(intent,msg)
        prevMsg = DataTable[nextMsgId][1]
        if (nextMsgId == 31){
            prevMsg = prevMsg+getExtractedValues()
        return prevMsg
        }
    else {
        return "Couldn't understand <b> "+msg+" </b>, I can help you with your insurance queries"
    }   
        }
  }
  return prevMsg;
 });



function getWitResponse(msg) {
    const {Wit, log} = require('node-wit');
    const client = new Wit({accessToken: '7KPQXSZ4NSMMYTCCGWKC37XHLBPO25XA'});
    client.message('Hi', {})
    .then((data) => {
      console.log('Yay, got Wit.ai response: ' + JSON.stringify(data));
    
      const j = JSON.parse(JSON.stringify(data));
      console.log("jis here"+ JSON.stringify(j));
      
      if (JSON.stringify(data).toLowerCase().includes("intent")) {
          console.log("inside if getWitResponse")
          console.log(j['entities']['intent'][0]['value']);
          return j['entities']['intent'][0]['value'];
      } else {
          return '';
      }
    
    })
    .catch(console.error);
}
function getNextMsgId(intent,msg) {
  for (c in DataTable) {
      if (str(prevMsg).lower() in String(c[1]).lower() && (intent in String(c[2]).lower() || ((String(prevMsg).lower() in String(c[1]).lower() && str(c[2])=='text') || (String(prevMsg).lower() in String(c[1]).lower() && str(c[2])=='text')))) {
          c[4]=msg;
          return c[3];
  return 0;
      }
    }
  }
function getExtractedValues() {
  st='';
  for (c in DataTable) {
      if (len(String(c[4]))>0) {
          st=st+str(c[1])+':'+str(c[4])+'\n';
  return st;
      }
  }}



app.listen(8080);