package soundbox

import (
	"fmt"
	"net"
)

// Port is the default network port a soundbox is listening to for incoming
// audio stream data.
const Port = 5316

type Soundbox struct {
	HardwareAddr net.HardwareAddr
}

func NewSoundbox(mac string) (Soundbox, error) {
	hardwareAddr, err := net.ParseMAC(mac)
	if err != nil {
		return Soundbox{}, err
	}

	return fromHardwareAddr(hardwareAddr)
}

func fromHardwareAddr(addr net.HardwareAddr) (Soundbox, error) {
	if len(addr) != 6 {
		return Soundbox{}, fmt.Errorf("Only IEEE 802 MAC-48 addresses supported")
	}

	return Soundbox{HardwareAddr: addr}, nil
}