#!/usr/bin/env ruby

class Card
  attr_reader :value, :suit

  def initialize(value, suit)
    @value = value
    @suit = suit
  end

  def to_s
    "#{@value} of #{@suit}"
  end

  def strength
    if @value.match?(/\A\d+\z/)
      @value.to_i
    else
      case @value
      when "ace"
        11
      when "jack"
        12
      when "queen"
        13
      when "king"
        14
      end
    end
  end
end