app.get('/smssent', function(req, res, callback) {
var message = req.query.Body;
var number = req.query.From;
var twilioNumber = req.query.To;

var context = null;
var index = 0;
var contextIndex = 0;
contexts.forEach(function(value)
{
  console.log(value.from);
  if (value.from == number)
  {
    context = value.context;
    contextIndex = index;
  }
  index = index + 1;
});

console.log('Recieved message from ' + number + ' saying '' + message  + ''');

var conversation = new ConversationV1({
  username: '77eaca2f-21d9-4921-970a-c61543dd2dd4',
  password: 'L6FTdKjnHqh1',
  version_date: ConversationV1.VERSION_DATE_2016_09_20
});

//console.log(JSON.stringify(context));
//console.log(contexts.length);

conversation.message({
  input: { text: message },
  workspace_id: '3af8e4c2-930d-4ff5-86c5-28031c9f1e8f',
  context: context
 }, function(err, response) {
     if (err) {
       console.error(err);
     } else {
      var answer = response.output.text[0];

if (context == null) {
         contexts.push({'from': number, 'context': response.context});
       } else {
         contexts[contextIndex].context = response.context;
       }

       var intent = response.intents[0].intent;
       console.log(intent);
       if (intent == "done") {
         //contexts.splice(contexts.indexOf({'from': number, 'context': response.context}),1);
         contexts.splice(contextIndex,1);
         // Call REST API here (order pizza, etc.)
       }

       var client = require('twilio')(
         'ACd10b0a1297a7e73e7d7c633214f7fc95',
         '28a647a13b3d5524e1fa2caff79c7f7b'
       );

       client.messages.create({
         from: twilioNumber,
         to: number,
         body: response.output.text[0]
       }, function(err, message) {
         if(err) {
           console.error(err.message);
         }
       });
     }
});

  res.send('');
});

router.post('/app', function(req, res, next) {
if (req.body.number &&
  req.body.message &&
  req.body.answer
) {
  // create object with form input
  var messageData = {
    number: req.body.number,
    message: req.body.message,
    answer: req.body.answer
  };

  // use schema's `create` method to insert document into Mongo
  Message.create(messageData, function (error, message) {
    if (error) {
      return next(error);
    } else {
      return res.redirect('/');
    }
  });

} else {
  var err = new Error('All fields required.');
  err.status = 400;
  return next(err);
}
});

var mongoose = require('mongoose');
var bcrypt = require('bcryptjs');

var MessageSchema = new mongoose.Schema({
  number: {
    type: String,
    required: true,
    trim: true
  },
  message: {
    type: String,
    required: true,
    trim: true
  },
  answer: {
    type: String,
    required: true,
    trim: true
  }
});
var Message = mongoose.model('Message', MessageSchema);
module.exports = Message;