package log

import (
	"strings"
	"time"
)

func ShortDur(d time.Duration) string {
	var s string
	switch {
	case d > time.Hour:
		s = d.Round(time.Minute).String()
	case d > time.Minute:
		s = d.Round(time.Second).String()
	case d > time.Second:
		s = d.Round(10 * time.Millisecond).String()
	case d > time.Millisecond:
		s = d.Round(100 * time.Microsecond).String()
	default:
		s = d.String()
	}
	if strings.HasSuffix(s, "m0s") {
		s = s[:len(s)-2]
	}
	if strings.HasSuffix(s, "h0m") {
		s = s[:len(s)-2]
	}
	return s
}