class SassListen::Change

def initialize(config, record)
  @config = config
  @record = record
end

def invalidate(type, rel_path, options)
  watched_dir = Pathname.new(record.root)
  change = options[:change]
  cookie = options[:cookie]
  if !cookie && config.silenced?(rel_path, type)
    SassListen::Logger.debug {  "(silenced): #{rel_path.inspect}" }
    return
  end
  path = watched_dir + rel_path
  SassListen::Logger.debug do
    log_details = options[:silence] && 'recording' || change || 'unknown'
    "#{log_details}: #{type}:#{path} (#{options.inspect})"
  end
  if change
    options = cookie ? { cookie: cookie } : {}
    config.queue(type, change, watched_dir, rel_path, options)
  else
    if type == :dir
      # NOTE: POSSIBLE RECURSION
      # TODO: fix - use a queue instead
      Directory.scan(self, rel_path, options)
    else
      change = File.change(record, rel_path)
      return if !change || options[:silence]
      config.queue(:file, change, watched_dir, rel_path)
    end
  end
rescue RuntimeError => ex
  msg = format(
    '%s#%s crashed %s:%s',
    self.class,
    __method__,
    exinspect,
    ex.backtrace * "\n")
  SassListen::Logger.error(msg)
  raise
end