baby_dragon.rb

class BabyDragon

  attr_reader :fullness_level

  def initialize(name)
    @name = name
    @is_asleep = false
    # The dragon is not hungry when @fullness_level is 10
    # The dragon is very hungry when @fullness_level is 0
    @fullness_level = 10
  end

  def eat
    puts "#{@name} eats popcorn, cheez-its, seaweed, cheetos, burritos"

    @fullness_level = 10

    passage_of_time
  end

  def play
    puts "#{@name} chills out next to the fireplace and eats a lot of salty snacks"

    passage_of_time
  end

  def takes_a_nap
    puts "#{@name} curls up and dozes off..."
    
    @is_asleep = true

    3.times do
      passage_of_time
    end

    @is_asleep = false
  end

  def passage_of_time
    if (@fullness_level > 0)
      @fullness_level -= 1
    else
      if (@is_asleep)
        @is_asleep = false
        puts "#{@name} woke up!"
      end
      puts "#{@name} was super hangry! They ATE YOU! >:("
      exit
    end
  end

end

puff = BabyDragon.new("Puff The Magic Dragon")

puff.play
puff.takes_a_nap
puff.eat
puff.play
puff.takes_a_nap
puff.eat

until (puff.fullness_level == 0)
  puff.play
  puff.takes_a_nap
end