package utils

import "fmt"

var sizeSuffixes = [...]string{"B", "KiB", "MiB", "GiB"}

// ConvertFileSize converts size in bytes down to biggest units it represents.
// Returns converted size, unit and, a concatenation of size and unit
func ConvertFileSize(size int64) (int64, string, string) {
	var idx int

	for idx = 0; size >= 1024; size /= 1024 {
	}

	return size, sizeSuffixes[idx], fmt.Sprint(size, sizeSuffixes[idx])
}