highlight phrase in phone number

NumberPhrase.rb

def make_phone_number_fancy(number='6615133257', str='DEALs')
		puts " in TwilioHelper. got " + number.to_s
		
		number.include? "+1"
		number.gsub! "+1", ""
		
		str.downcase!

		kp = {}
		kp["a"]="2"
		kp["b"]="2"
		kp["c"]="2"
		kp["d"]="3"
		kp["e"]="3"
		kp["f"]="3"
		kp["g"]="4"
		kp["h"]="4"
		kp["i"]="4"
		kp["j"]="5"
		kp["k"]="5"
		kp["l"]="5"
		kp["m"]="6"
		kp["n"]="6"
		kp["o"]="6"
		kp["p"]="7"
		kp["q"]="7"
		kp["r"]="7"
		kp["s"]="7"
		kp["t"]="8"
		kp["u"]="8"
		kp["v"]="8"
		kp["w"]="9"
		kp["x"]="9"
		kp["y"]="9"
		kp["z"]="9"
		
		kp["0"]="1"
		kp["1"]="2"
		kp["2"]="3"
		kp["3"]="4"
		kp["4"]="5"
		kp["5"]="6"
		kp["6"]="7"
		kp["7"]="8"
		kp["8"]="9"
		kp["9"]="0"

		number_phrase = ""
		str.each_char do |c|
			number_phrase += kp[c]
		end

		puts "looking for this phrase in numbers #{number_phrase}" 

		str = str.upcase
		number.gsub!(number_phrase,str) 

		number2 = number # this is the output copy

		puts "updated number is #{number2}"

		str_start = number.index str
		puts "phrase start #{str_start}"
		str_end = str_start + str.length - 1
		puts "phrase ends #{str_end}"

		if str_end == 9
			# phrase is at end
			number2.insert(str_start,"-");
			if str_start >= 3
				number2.insert(3,") ");
				number2.insert(0,"(");
			end
			puts "with dashes #{number2}"
		elsif (str_end < 9 && str_start >0)			
			number2.insert(str_end+1,"-")
			if str_start >= 3
				number2.insert(3,") ");
				number2.insert(0,"(");
			else
				number2.insert(str_start,"-")				
			end
			
		elsif str_start == 0
			number2.insert(str_end+1,"-")
			if str_end < 9
				number2.insert(7,"-")	
			end
		else 
			puts "something wrong happened"
		end



		number2.gsub! str,"<span class=highlight>#{str}</span>".html_safe

		puts number2


		return number.html_safe
	end