ruby warrior level

original.rb

class Player

  def initialize
    @health = 20
    @clear_behind = false
    @wounded = false
  end

  def play_turn(warrior)
    warrior_wounded?(warrior)
    if @clear_behind
      explore_forward(warrior)
    else
      explore_backward(warrior)
    end  
    @health = warrior.health
  end

  def explore_backward(warrior)
    if at_back_wall?(warrior)
      @clear_behind = true
      explore_forward(warrior)
    else
      warrior_act(warrior,:backward)
    end
  end

  def explore_forward(warrior)
    if @wounded
      retreat(warrior)
    else
      warrior_act(warrior,:forward)
    end
  end

  def warrior_act(warrior,direction)
    if warrior.feel(direction).captive?
      warrior.rescue!(direction)
    elsif warrior.feel(direction).enemy?
      warrior.attack!(direction)
    else
      warrior.walk!(direction)
    end
  end

  def at_back_wall?(warrior)
    warrior.feel(:backward).wall?
  end

  def being_attacked?(warrior)
    @health > warrior.health
  end

  def retreat(warrior)
    if being_attacked?(warrior)
      warrior.walk!(:backward)
    else 
      heal(warrior)
    end
  end

  def warrior_wounded?(warrior)
    @wounded = true if warrior.health < 10
  end

  def heal(warrior)
    if warrior.health < 20
      warrior.rest!
    else
      @wounded = false
    end
  end

end

refactor.rb

class Player

  def initialize
    @previous_health = 20
  end

  def play_turn(warrior)
    @warrior = warrior

    if wounded?
      handle_wounded!
    elsif at_back_wall?
      explore_forward!
    else
      explore_backward!
    end  

    @previous_health = warrior.health
  end

  def handle_wounded!
    if being_attacked?
      retreat!
    else
      heal!
    end
  end

  def explore_forward!
    warrior_act(:forward)
  end

  def explore_backward!
    warrior_act(:backward)
  end

  def warrior_act(direction)
    if @warrior.feel(direction).captive?
      @warrior.rescue!(direction)
    elsif @warrior.feel(direction).enemy?
      @warrior.attack!(direction)
    else
      @warrior.walk!(direction)
    end
  end

  def at_back_wall?
    @warrior.feel(:backward).wall?
  end

  def being_attacked?
    @previous_health > @warrior.health
  end

  def wounded?
    @warrior.health < 10
  end

  def retreat!
    @warrior.walk!(:backward)
  end

  def heal!
    @warrior.rest!
  end

end