module CustomLogger
  class << self
    def new(attrs = {})
      ::Logger.new(device).tap do |logger|
        logger.instance_variable_set(:@device, device)
        logger.instance_variable_set(:@log_type, attrs.fetch(:log_type, :trace))
        logger.extend(self)
      end
    end

    def device
      @device ||= (Settings.custom_logger.type == 'file' ? Device::File : Device::Logstash).new
    end
  end

  attr_reader :log_type

  def add(severity, message = nil, progname = nil, &block)
    super if progname.present? && progname.is_a?(Hash) || block_given? && yield.is_a?(Hash)
  end

  def format_message(severity, timestamp, progname, message)
    {
      severity: severity,
      log_type: log_type,
      app_version: "some version",
      country: Settings.country,
      fqdn: Settings.custom_logger.fqdn,
      created_at: timestamp.strftime("%FT%T%:z"),
      request_ip: Thread.current[:request_ip],
      iid: Thread.current[:request_id],
      uuid: SecureRandom.uuid,
      method: message[:method],
      path: message[:path],
      action: message[:action],
      status: message[:status],
      duration: message[:duration],
      view: message[:view],
      db: message[:db],
      es: message[:es],
      details: message.to_json
    }.to_json
  end
end