module Service

  module Helper

    def service
      @service ||= Service::RedHat#Service.services.current
    end

    def authenticate_and_roles
      @authenticate_and_roles ||= service.authenticate(cookies)
    end

    def require_login
      redirect_to_login unless authenticate_and_roles['username']
    end

    def require_admin
      redirect_to_unauthorize_page unless authenticate_and_roles['roles'].include?('admin')
    end

    def require_vendor
      redirect_to_unauthorize_page unless authenticate_and_roles['roles'].include?('isv')
    end

    def require_admin_or_vendor
      redirect_to_unauthorize_page unless admin? || vendor?
    end

    def user_is_valid?(red_hat_id)
      user_info = service.user_info(red_hat_id)
      user_info.empty? ? false : user_info.first['login']==red_hat_id
    end

    def logged_in?
      service.logged_in?(cookies)
    end

    def authenticate?
      authenticate_and_roles['roles'].include?('isv') || authenticate_and_roles['roles'].include?('admin')
    end

    def admin?
      logged_in? && authenticate_and_roles['roles'].include?('admin')
    end

    def vendor?
      logged_in? && authenticate_and_roles['roles'].include?('isv')
    end

    def admin_or_vendor?
      admin? || vendor?
    end

    private
    def redirect_to_unauthorize_page
      flash[:error]="You are unauthorize."
      redirect_to root_path,:status=>:forbidden
    end

    def redirect_to_login
      flash[:error]="You must logged in."
      redirect_to login_path
    end

    def set_rh_user
      service.set_user_cookie(cookies,authenticate_and_roles)
    end

    def user_info(user)
      service.user_info(user)
    end


  end

end