var BrainJSClassifier = require('natural-brain');
var classifier = new BrainJSClassifier();

classifier.addDocument('my unit-tests failed.', 'software');
classifier.addDocument('tried the program, but it was buggy.', 'software');
classifier.addDocument('tomorrow we will do standup.', 'meeting');
classifier.addDocument('the drive has a 2TB capacity.', 'hardware');
classifier.addDocument('i need a new power supply.', 'hardware');
classifier.addDocument('can you play some new music?', 'music');

classifier.train();

console.log(classifier.classify('did the tests pass?')); // -> software
console.log(classifier.classify('did you buy a new drive?')); // -> hardware
console.log(classifier.classify('What is the capacity?')); // -> hardware
console.log(classifier.classify('Lets meet tomorrow?')); // -> meeting
console.log(classifier.classify('Can you play some stuff?')); // -> music

classifier.save('test/brain_classifier.json', function () {});

BrainJSClassifier.load('test/brain_classifier.json', null, null,
  function (err, newClassifier) {
    if (err) {
      return done(err);
    }
  }
)