module RubyQA
  module Interactions

    def get_string_response(prompt)
      puts "#{prompt}: "

      while true
        answer = STDIN.gets.strip

        if get_user_verification "Is \"#{answer}\" correct?"
          return answer
        end
      end
    end

    def get_user_verification(prompt)
      print "#{prompt} (y/n): "
      while true
        answer = STDIN.gets.strip.downcase

        case answer
          when /(y|yes)/
            return true
          when /(n|no)/
            return false
          else
            puts "#{answer} is not a valid option. Please try again"
        end
      end
    end

    def get_integer_response(prompt)
      print "#{prompt}: "
      while true
        answer = STDIN.gets.strip

        if not answer =~ /^[[:digit:]]+$/
          puts "#{answer} is not a valid number. Please try again"
          continue
        end

        answer = answer.to_i

        if get_user_verification "Is #{answer} correct?"
          return answer
        end
      end
    end

  end
end