require 'eventbus/common_init'

module EventBus
  
  class Queue
    
    def Queue.calc_name(base_name, application_id, prod_level, opts = {})

      application_id ||= EventBus.application_id
      prod_level ||= EventBus.PROD_LEVEL
      
      global_queue = opts.delete(:global_queue) || false
      system_queue = opts.delete(:system_queue) || false
      
      raise "application_id not set!" if application_id.nil?
      raise "prod_level not set!" if prod_level.nil?
      
      application_id = application_id.downcase
      prod_level = prod_level.downcase
      
      queue_name = base_name
      unless global_queue == true
        queue_name = "#{queue_name}.#{prod_level}" 
        queue_name = "#{application_id}.#{queue_name}" unless system_queue
      end

      return queue_name
    end
    
  end
  
end