module Lograge
  module Formatters
    class Logstash
      def call(data)
        load_dependencies
        event = LogStash::Event.new("@fields" => data)
        event.message = "[#{data[:status]}] #{data[:method]} #{data[:path]} (#{data[:controller]}##{data[:action]})"
        event.to_json
      end

      def load_dependencies
        require "logstash-event"
      rescue LoadError
        puts "You need to install the logstash-event gem to use the logstash output."
        raise
      end
    end
  end
end