module Storefront
  module UrlHelper
    def current_subdomain
      subdomain = request.subdomain.to_s.split(".").first
      subdomain = nil if subdomain == App.name
      (subdomain.blank? || subdomain == "www") ? nil : subdomain
    end
    
    def path_namespace?(*args)
      args.present? ? args.any? { |is| path_namespace == is.to_s } : path_namespace.present?
    end
    
    def path_namespace
      if @path_namespace.nil?
        if current_subdomain.present?
          @path_namespace = current_subdomain
        elsif params[:path_namespace]
          @path_namespace = params[:path_namespace]
        else
          parts = params[:controller].split("/")
          @path_namespace = parts.length > 1 ? parts.first : ""
        end
      end

      @path_namespace
    end
    
    def with_current_params(path_method, *args)
      send path_method, *(args << Rack::Utils.parse_query(request.query_string).merge(args.extract_options!))
    end
  end
end