package steam

import (
	"fmt"
	"math"
)

func formatBytes(b int64) string {
	if b < 1024 {
		return fmt.Sprintf("%d b", b)
	}

	s := ""

	pfxs := "kmgt"
	for i := 0; i < len(pfxs); i++ {
		pow := math.Pow(float64(1024), float64(i+1))
		// This one is too big, return the previous string
		if b < int64(pow) {
			return s
		}
		s = fmt.Sprintf("%.2f %cb",
			float64(b)/(pow),
			pfxs[i])
	}

	return s
}