rubywarrior.rb

class Player
  def play_turn(warrior)
    advance = Advance.new(warrior)
    attack = Attack.new(warrior)
    rest = Rest.new(warrior)
    actions = [rest, advance, attack]
    actions.each do |action|
      if action.possible?
        action.go!
        break
      end
    end
  end
end

class Action 
  def initialize(warrior)
    @warrior = warrior
  end
end

class Advance < Action
  def possible?
   @warrior.feel.empty?
  end

  def go!
    @warrior.walk!
  end
end

class Attack < Action
  def possible?
    not @warrior.feel.empty?
  end
  def go!
    @warrior.attack!
  end
end

class Rest < Action
  def possible?
    @warrior.health < 20 && @warrior.feel.empty?
  end
  def go!
    @warrior.rest!
  end
end