var LoginController = {
  errors: [],
  getUser: function() {
    return document.getElementById("login_username").value;
  },
  getPassword: function() {
    return document.getElementById("login_password").value;
  },
  validateEntry: function(user, pw) {
    user = user || this.getUser();
    pw = pw || this.getPassword();
    if (!(user && pw)) {
      return this.failure("Please enter a username and password!");
    } else if (pw.length < 5) {
      return this.failure("Password must be 5+ characters!");
    }

    return true;
  },
  showDialog: function(title, msg) {
    // display success message to user in dialog
  },
  failure: function(err) {
    this.errors.push(err);
    this.showDialog("Error", "Login invalid" + err);
  }
}

var AuthController = Object.create(LoginController);

AuthController.errors = [];
AuthController.checkAuth = function() {
  var user = this.getUser();
  var pw = this.getPassword();

  if (this.validateEntry(user, pw)) {
    this.server("/check-auth", {
      user: user,
      pw: pw
    }).then(this.accepted.bind(this))
      .fail(this.rejected.bind(this));
  }
};
AuthController.server = function(url, data) {
  return $.ajax({
    url: url,
    data: data
  });
};
AuthController.accepted = function() {
  this.showDialog("Success", "Authenticated!");
}
AuthController.rejected = function(err) {
  this.failure("Auth Failed! " + err);
}


AuthController.checkAuth();