module Spinebox
  
  # Rack middleware that reloads the sprockets environment on 
  # every request with a default delay of 5 seconds
  class Reloader
    
    def initialize(app, cooldown = 5)
      @app, @cooldown = app, cooldown
      @last = (Time.now - cooldown)
    end

    def call(env)
      reload! if Time.now > @last + @cooldown
      @app.call(env)
    end

    private
    def reload!
      Spinebox.config.assets.version  = '0.1'
      Spinebox.config.views.version   = '0.1'

      @last = Time.now
    end
    
  end
end