# gotchas: please use extend ::RoCommands::RoHelper, make sure module first extend 'method_added' method
# example:
#
#module TryHelper
#  extend ::RoCommands::RoHelper
#  class << self
#    def _template_in_self
#
#    end
#  end
#
#  def _template_in_normal
#
#  end
#end

module RoCommands
  module RoHelper

    class << self
      def included(base)
        base.extend(ClassMethods)
      end
    end

    module ClassMethods

      def meth_feature
        %r{^_}
      end

      def meths
        @meths.uniq! if @meths.respond_to?(:uniq!)
        @meths ||= []
      end

      def method_added(meth)
        super
        #puts "method:#{meth}"
        def_meth(meth)
      end


      def singleton_method_added(meth)
        super
        #puts "singleton_method:#{meth}"
        def_meth(meth, 'singleton')
      end

      def def_meth(meth, meth_type=nil)
        meth = meth.to_s
        if defined?(meth_feature) and meth.match(meth_feature)
          if meth.match(%r{_})
            new_method = meth.to_s.sub(%r{_}, "")

            if meth_type == 'singleton'
              define_singleton_method new_method.to_sym do |*args|
                before_each if defined? before_each
                send(meth.to_sym, *args)
                after_each if defined? after_each
              end
            else
              define_method new_method.to_sym do |*args|
                before_each if defined? before_each
                send(meth.to_sym, *args)
                after_each if defined? after_each
              end
            end
          end
        end
      end

    end
  end
end