package utils

import (
	"fmt"
	"unsafe"
)

func ToByte(s string) []byte {
	p := unsafe.StringData(s)
	b := unsafe.Slice(p, len(s))
	return b
}

func FromByte(b []byte) string {
	p := unsafe.SliceData(b)
	return unsafe.String(p, len(b))
}

func FormatBytes(bytes int64) string {
	units := []string{"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"}
	if bytes == 0 {
		return fmt.Sprintf("0 B")
	}
	size := float64(bytes)
	unitIndex := 0
	for size >= 1024 && unitIndex < len(units)-1 {
		size /= 1024
		unitIndex++
	}
	return fmt.Sprintf("%.2f %s", size, units[unitIndex])
}