class Clearance::UsersController < Clearance::BaseController
  skip_before_filter :require_login, only: [:create, :new]
  before_filter :avoid_sign_in, only: [:create, :new], if: :signed_in?

  def new
    @user = user_from_params
    render template: 'users/new'
  end

  def create
    @user = user_from_params

    if @user.save
      sign_in @user
      redirect_back_or url_after_create
    else
      render template: 'users/new'
    end
  end

  private

  def avoid_sign_in
    redirect_to Clearance.configuration.redirect_url
  end

  def url_after_create
    Clearance.configuration.redirect_url
  end

  def user_from_params
    email = user_params.delete(:email)
    password = user_params.delete(:password)

    Clearance.configuration.user_model.new(user_params).tap do |user|
      user.email = email
      user.password = password
    end
  end

  def user_params
    params[:user] || Hash.new
  end
end