"github.com/minio/minio/internal/rest"
)

const (
	internodeErrorsTotal      MetricName = "errors_total"
	internodeDialErrorsTotal  MetricName = "dial_errors_total"
	internodeDialAvgTimeNanos MetricName = "dial_avg_time_nanos"
	internodeSentBytesTotal   MetricName = "sent_bytes_total"
	internodeRecvBytesTotal   MetricName = "recv_bytes_total"
)

var (
	internodeErrorsTotalMD = NewCounterMD(internodeErrorsTotal,

		AutoUnixMilliCreateTime int    `gorm:"autocreatetime:milli"`
		AutoUnixNanoCreateTime  int64  `gorm:"autocreatetime:nano"`
		AutoUnixUpdateTime      uint32 `gorm:"autoupdatetime"`
		AutoUnixMilliUpdateTime int    `gorm:"autoupdatetime:milli"`
		AutoUnixNanoUpdateTime  uint64 `gorm:"autoupdatetime:nano"`
	}

	DB.Migrator().DropTable(&CustomizeFieldStruct{})

	if err := DB.AutoMigrate(&CustomizeFieldStruct{}); err != nil {

// If T is a floating-point type and any of the arguments are NaNs,
// max will return NaN.
func max[T cmp.Ordered](x T, y ...T) T

// The min built-in function returns the smallest value of a fixed number of
// arguments of [cmp.Ordered] types. There must be at least one argument.
// If T is a floating-point type and any of the arguments are NaNs,
// min will return NaN.
func min[T cmp.Ordered](x T, y ...T) T

		dur = time.Since(bgSeq.lastHealActivity)
	}

	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(healMetricsNamespace, "time", "since_last_activity"),
			"Time elapsed (in nano seconds) since last self healing activity. This is set to -1 until initial self heal activity",
			nil, nil),
		prometheus.GaugeValue,
		float64(dur),
	)
	for k, v := range bgSeq.getScannedItemsMap() {

	sizeDistribution    = "size_distribution"
	versionDistribution = "version_distribution"
	ttfbDistribution    = "seconds_distribution"
	ttlbDistribution    = "ttlb_seconds_distribution"

	lastActivityTime = "last_activity_nano_seconds"
	startTime        = "starttime_seconds"
	upTime           = "uptime_seconds"
	memory           = "resident_memory_bytes"
	vmemory          = "virtual_memory_bytes"
	cpu              = "cpu_total_seconds"

	for _, t := range times {
		if t.Equal(timeSentinel) || t.IsZero() {
			continue
		}
		nano := t.UnixNano()
		if group > 0 {
			for k := range timeOccurrenceMap {
				if k == nano {
					// We add to ourself later
					continue
				}
				diff := k - nano
				if diff < 0 {
					diff = -diff
				}
				// We are within the limit
				if diff < groupNano {
					timeOccurrenceMap[k]++

		if field.DataType == Time {
			field.AutoCreateTime = UnixTime
		} else if strings.ToUpper(v) == "NANO" {
			field.AutoCreateTime = UnixNanosecond
		} else if strings.ToUpper(v) == "MILLI" {
			field.AutoCreateTime = UnixMillisecond
		} else {
			field.AutoCreateTime = UnixSecond
		}
	}

// QueueStore - Filestore for persisting items.
type QueueStore[_ any] struct {
	sync.RWMutex
	entryLimit uint64
	directory  string
	fileExt    string

	entries map[string]int64 // key -> modtime as unix nano
}

// NewQueueStore - Creates an instance for QueueStore.
func NewQueueStore[I any](directory string, limit uint64, ext string) *QueueStore[I] {
	if limit == 0 {
		limit = defaultLimit
	}

	if ext == "" {

		return nil, nil, errInvalidArgument
	}

	// prepare getElapsedTime() to calculate elapsed time since we started trying formatting disks.
	// All times are rounded to avoid showing milli, micro and nano seconds
	formatStartTime := time.Now().Round(time.Second)
	getElapsedTime := func() string {
		return time.Now().Round(time.Second).Sub(formatStartTime).String()
	}

	var (
		tries   int
		verbose bool