ruby-warrior.rb

# https://www.bloc.io/ruby-warrior
  class Player
    def initialize
      @health     = 20
      @begining   = false
      @action     = false
      @direction  = :backward
    end

    def play_turn(warrior)
      @action = false
    
      @warrior = warrior

      @direction = :forward if move_forward?

      retreat unless @action
      heal unless @action
      move unless @action
      attack unless @action
      save unless @action

      @health = warrior.health
    end

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

    def retreat?
      damaged? && feels_empty? && min_health?
    end

    def retreat
      if retreat?
        @warrior.walk! :backward
        @action = true
      end
    end

    def heal?
      !damaged? && !full_health?
    end

    def heal
      if heal?
        @warrior.rest!
        @action = true
      end
    end

    def save
      if feels_captive?
        @warrior.rescue!(@direction)
        @action = true
      end
    end

    def move
      if feels_empty?
        @warrior.walk!(@direction)
        @action = true
      end
    end

    def attack
      unless feels_empty?
        unless @warrior.feel(@direction).captive?
          @warrior.attack!(@direction)
          @action = true
        end
      end
    end

    def feels_captive?
      @warrior.feel(@direction).captive?
    end

    def feels_empty?
      @warrior.feel(@direction).empty?
    end

    def full_health?
      @warrior.health == 20
    end

    def min_health?
      @warrior.health < 15
    end
    
    def damaged?
      @warrior.health < @health 
    end
  end