ruby_warrior_101.rb

class Player
  def play_turn(warrior)
    unless @explored_left
      @explored_left = false
      return warrior.pivot!      
    end
    
    fwd = @explored_left ? :forward : :backward
    rew = !@explored_left ? :forward : :backward

    space = warrior.feel fwd
    health = warrior.health

    @health = health unless @health

    under_attack = health < @health

    if space.wall?
      @explored_left = true
      warrior.walk!
    elsif space.captive?
      warrior.rescue! fwd
    elsif space.enemy?
        warrior.attack! fwd
    else
      if under_attack
        if health < 12
          warrior.walk! rew
        else
          warrior.walk! fwd
        end
      elsif health < 20
        warrior.rest!
      else
        warrior.walk! fwd
      end
    end

    @health = health
  end
end