require 'time'

module SoarAuditingFormatter
  FORMAT="%s,%s,%s,%s" unless defined? FORMAT; FORMAT.freeze
  OPTIONAL_FIELD_FORMAT = "[%s:%s]" unless defined? OPTIONAL_FIELD_FORMAT; OPTIONAL_FIELD_FORMAT.freeze

  class Formatter
    def self.format(level, flow_id, timestamp, message)
      times = Time.parse(timestamp.to_s).utc.iso8601(3)
      sprintf(FORMAT, level, flow_id, times, message)
    end

    def self.optional_field_format(key, value)
      sprintf(OPTIONAL_FIELD_FORMAT, key, value)
    end
  end
end