class Person
  attr_accessor :name,:age,:drink

  def cry
    puts "#{self.name}: Whaaa-Whaaa"
  end

  def laugh
    puts "#{self.name}: hahahaha great"
  end

  def ask_name(person)
    puts self.name+": What is your name?"
    puts "#{person.name}: My name is #{person.name}"
    person.name #the return keyword is not needed
  end

  def ask_age(person)
    puts self.name+": How old are you?"
    person.say_age
    person.age #the return keyword is not needed
  end

  def say_age
    puts "#{self.name}: I am #{self.age} years old"
  end

  def order(bartender,drink)
    if bartender.class == Bartender
      puts self.name+": I would like a "+drink
      @drink = bartender.give(self,drink)
      @drink.nil? ? cry : laugh
    else
      puts "#{self.name}: Oh sorry! I thought you were a bartender"
    end
  end
end


class Bartender < Person
  $drinks = ["Beer","Whiskey","Rum","Mojito"]

  def give(person,drink)
    if(person.age.to_i >=18)
      if $drinks.include?(drink)
        puts "#{self.name}: Here is your #{drink}"
        drink
      else
        puts "#{self.name}: I dont have any #{drink}"
      end
    else
      puts "#{self.name}: You are a minor, you cant buy alcohol"
      nil
    end
  end

  def say_age
    puts "#{self.name}: I dont say my age im a bartender"
  end
end


john = Bartender.new
john.age = 35
john.name = "John Petrucci"

steve = Person.new
steve.age = 23
steve.name = "Steve Vai"

kid = Person.new
kid.age = "16"
kid.name = "Joe Satriani"

steve.ask_name(john)
steve.ask_age(john)
steve.order(john,"Beer")
kid.order(john,"Whiskey")
steve.ask_age(kid)