package converter

import (
	"net"
	"regexp"
	"strconv"
	"strings"
)

var (
	macStripRegexp = regexp.MustCompile(`[^a-fA-F0-9]`)
)

func MacToUint(hwAddr net.HardwareAddr) (uint64, error) {
	mac := hwAddr.String()
	hex := macStripRegexp.ReplaceAllLiteralString(mac, "")

	return strconv.ParseUint(hex, 16, 64)
}

func MacToInt(IPv4Addr net.HardwareAddr) int64 {
	bits := strings.Split(IPv4Addr.String(), ":")

	b0, _ := strconv.ParseInt(bits[0], 16, 64)
	b1, _ := strconv.ParseInt(bits[1], 16, 64)
	b2, _ := strconv.ParseInt(bits[2], 16, 64)
	b3, _ := strconv.ParseInt(bits[3], 16, 64)
	b4, _ := strconv.ParseInt(bits[4], 16, 64)
	b5, _ := strconv.ParseInt(bits[5], 16, 64)

	var sum int64

	//52242420297
	//52242420297
	sum += int64(b0) << 40
	sum += int64(b1) << 32
	sum += int64(b2) << 24
	sum += int64(b3) << 16
	sum += int64(b4) << 8
	sum += int64(b5)

	return sum
}