ByteReflectType    = reflect.TypeOf(uint8(0))
)

type (
	// DataType GORM data type
	DataType string
	// TimeType GORM time type
	TimeType int64
)

// GORM time types
const (
	UnixTime        TimeType = 1
	UnixSecond      TimeType = 2
	UnixMillisecond TimeType = 3
	UnixNanosecond  TimeType = 4
)

// GORM fields types
const (
	Bool   DataType = "bool"
	Int    DataType = "int"

// Empty returns if tier targets are empty
func (config *TierConfigMgr) Empty() bool {
	if config == nil {
		return true
	}
	return len(config.ListTiers()) == 0
}

// TierType returns the type of tier
func (config *TierConfigMgr) TierType(name string) string {
	config.RLock()
	defer config.RUnlock()

	cfg, ok := config.Tiers[name]
	if !ok {
		return "internal"
	}
	return cfg.Type.String()
}