Cookies and oven

cookies_and_oven.rb

class Cookie
  def initialize
    @baking_time = 0	
  end

  def in_status
    "#{name} cookies into the oven."
  end

  def bake_batch(time)
    @baking_time += time
  end

  def oven_batch
    "#{name.capitalize} cookies have been baking for #{@baking_time} minutes. Status: #{bake_status.capitalize}"
  end

  def bake_status
    case @baking_time
    when @baking_time..doughy 	      then :doughy
    when (doughy+1)..(almost_ready+1) then :almost_ready
    when ready..(ready+1)	      then :ready
    else        			   :burned
    end
  end
end

class Batch
  def initialize
    @batch = []	
  end

  def make_batch(batch_type)
    @batch << batch_type
  end

  def bake_batch(time)
    @batch.each { |batch| batch.bake_batch(time) }
  end

  def in_status
    puts "Putting a batch of #{@batch.count} #{@batch.first.in_status} "
  end

  def oven_batch
    @batch.first.oven_batch
  end
end

class Oven
  def put_in(batch_type)
    @in_oven = batch_type
    batch_type.in_status
  end

  def bake_batch(time)
    @in_oven.bake_batch(time)		
  end

  def take_out(batch_type)
    @in_oven = nil
  end

  def empty?(batch_type)
    @in_oven.nil? ? "Your oven is empty. Let's bake some cookies!" : "Your oven is not empty."
  end
end

class SugarCookie < Cookie
  def name
    "sugar"
  end

  def doughy
    4
  end

  def almost_ready
    6
  end

  def ready
    8
  end

  def burned
    10
  end
end

class PeanutButterCookie < Cookie
  def name
    "peanut butter"
  end

  def doughy
    8
  end

  def almost_ready
    10
  end

  def ready
    12
  end

  def burned
    14
  end
end

puts "\n"
# Make a new batch of cookies
sugar_cookie = Batch.new
5.times { sugar_cookie.make_batch(SugarCookie.new) }

# Make a oven to take and put batches of cookies in
oven = Oven.new
oven.put_in(sugar_cookie)
oven.bake_batch(8)
puts sugar_cookie.oven_batch
oven.take_out(sugar_cookie)
puts oven.empty?(sugar_cookie)

puts "\n"

# Make a new batch of cookies
peanut_butter = Batch.new
8.times { peanut_butter.make_batch(PeanutButterCookie.new) }

# Make a oven to take and put batches of cookies in
oven = Oven.new
oven.put_in(peanut_butter)
oven.bake_batch(11)
puts peanut_butter.oven_batch
puts oven.empty?(peanut_butter)

puts "\n"