Ruby class interaction and inheritance exercise

hauntedhouse.rb

FIRST_NAME = ['Hal', 'Claire', 'Nancy', 'Hermione', 'Willis', 'Robert', 'Ned', 'Rhaegar']
LAST_NAME = ['Wilde', 'Mercer', 'Jenkins', 'Lewis']

class HauntedHouse
  attr_reader :storyteller, :someone_is_awake, :house_family
  attr_accessor :ghost, :exorcise, :very_scary
  
  def initialize(number_of_family_members)
    @house_family = []
    @ghost = Ghost.new
    @very_scary = 2
    @exorcise = 0
    fill_the_house(number_of_family_members) # family could be a separate class with some of the methods here.
  end

  def make_spooky_sounds
    @very_scary += 1
    someone_is_awake
    puts "#{@someone_is_awake.first_name} has woken up and is wandering the house!"
  end

  def ghost_scares!
    if @ghost.exorcised
      puts "This ghost can't scare anybody anymore!"
    elsif (@ghost.scare + @very_scary) > @someone_is_awake.brave
      @someone_is_awake.dead = true
      puts "Oh no! #{@ghost} appeared and frightened #{@someone_is_awake.first_name} to death!"
  	else
      puts "#{@ghost} appeared and tried to frighten #{@someone_is_awake.first_name}."
      puts "Luckily, they were so brave that they escaped!"
      @someone_is_awake.brave -= 2
      @exorcise += 1
    end
  end

  def call_an_exorcist?
    if @exorcise < 2
      puts "That seems kind of silly, no one really believes that stuff."
    else
      puts "You'd better call a priest right now!"
      @ghost.exorcise
      counting_the_dead
    end
  end

  def tell_a_story?
    choose_a_storyteller
    puts "Would you like #{@storyteller.first_name} to tell you a funny or scary story?"
    choice = gets.chomp
    if choice == 'funny'
      @storyteller.tell_funny_story
      @very_scary -= 2
    elsif choice == 'scary'
      @storyteller.tell_scary_story
      @very_scary += 2
    else
      puts "Please choose funny or scary for your story"
    end
  end

  def counting_the_dead
    @house_family.each do |person|
      if person.dead == true
        puts "#{person.first_name} has sadly died at the age of #{person.age}."
      end
    end
  end

  private

  def fill_the_house(number_of_family_members)
    number_of_children = number_of_family_members - 2
    2.times do 
      @house_family << Parent.new
    end
    number_of_children.times do
      @house_family << Child.new
    end
  end

  def someone_is_awake
    @someone_is_awake = @house_family.shift
    shuffle_family(@someone_is_awake)
  end  

  def choose_a_storyteller
    @storyteller = @house_family.shift
    if @storyteller.dead == true
      puts "You notice something a little eerie about #{@storyteller.first_name}"
      puts "They look really pale, and their voice sounds raspy and hollow."
      @very_scary += 3
    end
    shuffle_family(@storyteller)
  end      

  def shuffle_family(family_member)
    @house_family << family_member
    @house_family.shuffle!
  end
end


class Parent
  @@Last_Name = LAST_NAME.sample # This will not work if more than one house exists
  attr_reader :first_name, :age, :last_name
  attr_accessor :dead, :brave

  def initialize
    @first_name = FIRST_NAME.sample
    @dead = false
    @age = (18..50).to_a.sample
    @brave = [15, 15, 20].sample
  end

  def to_s
    "#{@first_name} #{@@Last_Name}"
  end

  def tell_scary_story
    puts "#{self.first_name} told a pretty scary story, and now everyone's feeling creeped out!"
  end

  def tell_funny_story
    puts "#{self.first_name} told a pretty funny story and now this house doesn't seem so bad."
  end
end


class Child < Parent
  def initialize
    super
    @age = (8..17).to_a.sample
    @brave = [10, 10, 15].sample
  end
end


class Ghost
  attr_reader :last_name, :exorcised, :scare, :very_scary

  def initialize 
    @gender = ['Man', 'Lady'].sample
    @last_name = LAST_NAME.sample
    @scare = [3, 5, 5, 7].sample
    @exorcised = false
  end

  def exorcise
    @exorcised = true
    puts "The ghost is exorcised! Now everyone is safe!"
  end

  def to_s
    "Old #{@gender} #{@last_name}"
  end
end

# Creates instance of haunted house
scary_house = HauntedHouse.new(5)

# # Creating ghost should create its own name
p scary_house.ghost != ''

# # User will choose what type of story to hear from the storyteller
# # Telling a funny story decreases the @very_scary variable and 
# # gives these guys a chance
scary_house.tell_a_story?
puts

# Wakes up a member of the family, who begins wandering the house
scary_house.make_spooky_sounds
puts

# The ghost is going to scare this person
scary_house.ghost_scares!
puts

# If the @exorcism variable is high enough, the family will call an 
# exorcist to get rid of the ghost.
scary_house.call_an_exorcist?
puts