package system

import "net"

type NetInterface struct {
	Name      string   `json:"name" example:"eth0"`
	MAC       string   `json:"mac" example:"aa:bb:cc:dd:ee:ff"`
	Up        bool     `json:"up" doc:"Interface is administratively up"`
	Addresses []string `json:"addresses" doc:"Assigned addresses in CIDR notation"`
}

func netInfo() []NetInterface {
	ifaces, err := net.Interfaces()
	if err != nil {
		return nil
	}
	out := []NetInterface{}
	for _, ifi := range ifaces {
		addrs, _ := ifi.Addrs()
		strs := []string{}
		for _, a := range addrs {
			strs = append(strs, a.String())
		}
		out = append(out, NetInterface{
			Name:      ifi.Name,
			MAC:       ifi.HardwareAddr.String(),
			Up:        ifi.Flags&net.FlagUp != 0,
			Addresses: strs,
		})
	}
	return out
}