EnvNATSStreamingMaxPubAcksInFlight = "MINIO_NOTIFY_NATS_STREAMING_MAX_PUB_ACKS_IN_FLIGHT"

	// Jetstream constants
	EnvNATSJetStream = "MINIO_NOTIFY_NATS_JETSTREAM"
)

// NATSArgs - NATS target arguments.
type NATSArgs struct {
	Enable          bool      `json:"enable"`
	Address         xnet.Host `json:"address"`
	Subject         string    `json:"subject"`
	Username        string    `json:"username"`

)

func TestNatsConnPlain(t *testing.T) {
	opts := natsserver.DefaultTestOptions
	opts.Port = 14222
	s := natsserver.RunServer(&opts)
	defer s.Shutdown()

	clientConfig := &NATSArgs{
		Enable: true,
		Address: xnet.Host{
			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject: "test",
	}
	con, err := clientConfig.connectNats()

	Kafka         map[string]target.KafkaArgs         `json:"kafka"`
	MQTT          map[string]target.MQTTArgs          `json:"mqtt"`
	MySQL         map[string]target.MySQLArgs         `json:"mysql"`
	NATS          map[string]target.NATSArgs          `json:"nats"`
	NSQ           map[string]target.NSQArgs           `json:"nsq"`
	PostgreSQL    map[string]target.PostgreSQLArgs    `json:"postgresql"`
	Redis         map[string]target.RedisArgs         `json:"redis"`

)

func TestNatsConnTLSCustomCA(t *testing.T) {
	s, opts := natsserver.RunServerWithConfig(filepath.Join("testdata", "contrib", "nats_tls.conf"))
	defer s.Shutdown()

	clientConfig := &NATSArgs{
		Enable: true,
		Address: xnet.Host{
			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject:       "test",
		Secure:        true,

			}
			natsArgs.Streaming.Enable = streamingEnabled
			natsArgs.Streaming.ClusterID = env.Get(clusterIDEnv, kv.Get(target.NATSStreamingClusterID))
			natsArgs.Streaming.Async = env.Get(asyncEnv, kv.Get(target.NATSStreamingAsync)) == config.EnableOn
			natsArgs.Streaming.MaxPubAcksInflight = maxPubAcksInflight
		}

		if err = natsArgs.Validate(); err != nil {
			return nil, err
		}

			Value: strconv.Itoa(int(cfg.QueueLimit)),
		},
	}

	return nil
}

// SetNotifyNATS - helper for config migration from older config.
func SetNotifyNATS(s config.Config, natsName string, cfg target.NATSArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

	s[config.NotifyNATSSubSys][natsName] = config.KVS{
		config.KV{