var MongoClient = require('mongodb').MongoClient;
var MONGO_URL = process.env.MONGO_URL;

var DataModel = function(db) {
  this.createUser = function (newUser, onCreate) {
    db.collection('users').insertOne(newUser, function (err, results) {
      var user = {
        "id": results.id;
      }

      onCreate(null, user);
    });
  }

  this.getUser = function(userId, onGet) {

  }

  return this;
}

module.exports = {
  connect: function connect(onConnect) {

    MongoClient.connect(MONGO_URL, function (err, db) {

      var dm = new DataModel(db);
      onConnect(null, dm);

    });
  }
}