thing.rb

class Thing
  def initialize
    @phase = 1
    @values = [7, 11]
    @other_values = [2, 3, 12]
  end

  def do_it
    going = true
    while going
      set_last
      if done
        puts message
        return true
      elsif also_done
        puts alt_message
        return false
      end
      staticize
    end
  end

  def set_last
    @last = do_a_thing(2, 6)
    puts "The value is revealed: #{@last}"
  end

  def do_a_thing(n, k)
    (1..n).inject(0) { |a, b| a += result(k) }
  end

  def result(k)
    rand(k) + 1
  end

  def done
    if @phase == 1
      @values.include? @last
    elsif @phase == 2
      @last == @static
    end
  end

  def also_done
    if @phase == 1
      @other_values.include? @last
    elsif @phase == 2
      @last == 7
    end
  end

  def staticize
    return if @static
    @phase = 2
    @static = @last
  end

  def message
    "Pass"
  end

  def alt_message
    "Don't Pass"
  end
end

t = Thing.new
t.do_it