package main

import (
	"log"
	"net"

	"golang.zx2c4.com/wireguard/wgctrl"
	"golang.zx2c4.com/wireguard/wgtypes"
)

// TODO: replace this with a config value
const deviceName = "wg0"

func main() {
	client, err := wgctrl.New()
	defer client.Close()

	if err != nil {
		log.Fatalf("Unable to create wireguard client. Is wireguard installed? %v", err)
	}

	log.Println(client.Devices())

}

func addPeer(client *wgctrl.Client, deviceName string, key wgtypes.Key) error {
	// TODO: load from config
	_, allowedNetwork, _ := net.ParseCIDR("172.16.0.1/20")
	allowedIps := []net.IPNet{allowedNetwork}
	peer := wgtypes.PeerConfig{Key: key, AllowedIPs: allowedIps}

	config := wgtypes.Config{Peers: []PeerConfig{peer}, ReplacePeers: false}
	return client.ConfigureDevice(name, config)
}