package utils

import (
	"net"
)

//Status are saved at database as numbers
const (
	Online = iota
	Associating
	Offline
)

// Get interfaces MACs, and the first interface MAC is gonna be used as mqtt clientId
func GetMacAddr() ([]string, error) {
	ifas, err := net.Interfaces()
	if err != nil {
		return nil, err
	}
	var as []string
	for _, ifa := range ifas {
		a := ifa.HardwareAddr.String()
		if a != "" {
			as = append(as, a)
		}
	}
	return as, nil
}