require 'direction'

class MicroManager
  def initialize(server)
    @server = server
  end
  attr_accessor :server
end

class Server
  def initialize(kitchen)
    @kitchen = kitchen
    @accountant = kitchen.accountant
  end
  attr_reader :kitchen
  attr_accessor :customer
  
  def order_food(food)
    puts "I'll put that order in for you right now"
    sleep(2)
    kitchen.make_food(food)
    serve_food(food)
  end
  
  def serve_food(food)
    retrieve_food(food)
    sleep(2)
    puts " <Server retrieved #{food}>"
    return_to_customer(food)
  end
  
  def retrieve_food(food)
    kitchen.provide_food(food)
  end
  
  def return_to_customer(food)
    puts "Here's your order of #{food}"
  end
  
  def pay_bill
    @accountant.accept_funds
  end
end

class Kitchen
  def make_food(food)
    puts " <Kitchen preparing #{food}>"
    sleep(3)
    puts " <Kitchen made #{food}>"
  end
  
  def provide_food(food)
    puts " <Kitchen served up #{food}>"
  end
  
  def accountant
    @accountant ||= Accountant.new
  end
end

class Accountant
  def accept_funds
    puts " $$$ Cha-ching!"
  end
end

class Customer
  extend Direction
  def initialize(server)
    @server = server
  end
  attr_accessor :server
  
  command [:order_food, :pay_bill] => :server
end

def setup
  @kitchen = Kitchen.new
  @server = Server.new(@kitchen)
  @manager = MicroManager.new(@server)
  @customer = Customer.new(@server)
  @manager
end

# Try loading this in the console and interact to make food using @manager vs. @customer
# @customer.order_food('burrito').pay_bill vs. ... lots of commands for @manager