"dick" plugin for rbot

dick.rb

class DickPlugin < Plugin
	def name
		"dick"
	end

	def help(plugin, topic="")
		"Adds a bit of huymor to russian words"
	end

	def hui(m, params)
		subj = m.params.to_s

		the_map = {
			"у" => "ю",
			"а" => "я",
			"э" => "е",
			"ы" => "и",
			"о" => "ё"
		}

		vowels = the_map.to_a.flatten

		subja = subj.split(/\s+/)

		rstr = subja.map do |subj|
			subj.gsub!(/^[^#{vowels}]+/u, "")

			subj.gsub!(/^[#{vowels}]/u) do |v|
				if the_map.has_key? v
					the_map[v]
				else
					v
				end
			end

			"ху" + (subj.empty? ? "й" : subj)
		end.join(" ")

		m.reply(rstr)
	end
	
	def unhui(m, params)
		unmap = {
			"ю" => "у",
			"я" => "а",
			"е" => "э",
			"и" => "ы",
			"ё" => "о"
		}
		m.reply(m.params.map do |w|
			w.gsub(/ху(.)/u) do |a|
				warning a.inspect
				unmap[$1] || $1
			end
		end.join(" "))
	end
end

plugin = DickPlugin.new
plugin.register "хуй"
plugin.map 'хуй', :action => "hui"
plugin.map 'нехуй', :action => "unhui"