ruby warrior https://www.bloc.io/ruby-warrior

ruby_warrior.rb

class Player
  def initialize
    @step = :forward
    @health = 20
    @max_health = 20
    @last_health = 20
    @touch_wall = false
  end

  def play_turn(warrior)
    manage_health(warrior)

    spaces_forward = warrior.look @step
    spaces_backward = warrior.look opposite

    space = spaces_forward[0]
    if spaces_backward[2].enemy?
      warrior.pivot!
    elsif spaces_forward[2].enemy? || spaces_forward[1].enemy?
      warrior.shoot! @step
    elsif space.enemy?
      warrior.attack! @step
    elsif space.captive?
      warrior.rescue! @step
    elsif space.wall?
      @touch_wall = true
      warrior.pivot!
    elsif space.stairs?
      unless @touch_wall
        warrior.pivot!
      else
        warrior.walk!
      end
    elsif !here_is_safety?
      if @health > 10
        warrior.walk! @step
      else
        # run away!!
        warrior.walk! opposite
      end
    elsif health_is_full?
      warrior.walk! @step
    else
      warrior.rest!
    end
  end
  
  def opposite
    @step == :forward ? :backward : :forward
  end

  def manage_health(warrior)
    @last_health = @health
    current_health = warrior.health
@max_health = 20
#@max_health = current_health if current_health > @max_health
    @health = current_health
  end  

  def here_is_safety?
    @last_health <= @health
  end

  def health_is_full?
    @max_health == @health
  end
end