castle.rb

require_relative 'building'
require_relative 'butler'

class Castle < Building
  attr_accessor :butler

  def initialize(name, width, length, butler_name)
    super(name, width, length)
    @butler = Butler.new(butler_name, self)
  end

  def self.categories
    ['Medieval', 'Gothic', 'Renaissance']
  end

  def castle_details
    "Castle #{name} has a butler named #{butler.name}"
  end

  def has_a_butler?
    return @butler != nil
  end

  def floor_area
    super + 300
  end
end


castle = Castle.new('Le Château du Bonheur', 20, 20, 'Georges')
p castle.floor_area
p castle.butler
p castle.castle_details
p castle.butler.name