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class ApplicationController < ActionController::Base
  after_filter :discard_flash_if_xhr
  before_filter :require_user
  helper :all # include all helpers, all the time
  protect_from_forgery # See ActionController::RequestForgeryProtection for details

  # Scrub sensitive parameters from your log
  #filter_parameter_logging :password

  #before_filter :require_user
  helper_method :current_user_session, :current_user, :current_company

  private

  def current_user_session
    return @current_user_session if defined?(@current_user_session)
    @current_user_session = UserSession.find
  end

  def current_user
    return @current_user if defined?(@current_user)
     if session.include?('user_credentials_id')
       @current_user = User.find(session['user_credentials_id'])
     else
       @current_user = @current_user_session && @current_user_session.user
     end
  end

  def current_company
    return @current_user.company if defined?(@current_user)
    @current_company = current_user.company
  end

  def require_user
    unless current_user
      store_location
      redirect_to root_path
      return false
    end
  end

  def require_no_user
    if current_user
      store_location
      redirect_to root_path
      return false
    end
  end

  def store_location
    session[:return_to] = request.request_uri
  end

  protected
  def discard_flash_if_xhr
    flash.discard if request.xhr?
  end
end