package main
import (
	"context"
	"errors"
	"log"
	"github.com/nrdcg/goacmedns"
	"github.com/nrdcg/goacmedns/storage"
)
const (
	domain = "your.example.org"
)
var (
	whitelistedNetworks = []string{"192.168.11.0/24", "[::1]/128"}
)
func main() {
	// Initialize the client. Point it towards your acme-dns instance.
	client, err := goacmedns.NewClient("https://auth.acme-dns.io")
	ctx := context.Background()
	// Initialize the storage.
	// If the file does not exist, it will be automatically created.
	st := storage.NewFile("/tmp/storage.json", 0600)
	// Check if credentials were previously saved for your domain.
	account, err := st.Fetch(ctx, domain)
	if err != nil {
		if !errors.Is(err, storage.ErrDomainNotFound) {
			log.Fatal(err)
		}
		// The account did not exist.
		// Let's create a new one The whitelisted networks parameter is optional and can be nil.
		newAcct, err := client.RegisterAccount(ctx, whitelistedNetworks)
		if err != nil {
			log.Fatal(err)
		}
		// Save it
		err = st.Put(ctx, domain, newAcct)
		if err != nil {
			log.Fatalf("Failed to put account in storage: %v", err)
		}
		err = st.Save(ctx)
		if err != nil {
			log.Fatalf("Failed to save storage: %v", err)
		}
		account = newAcct
	}
	// Update the acme-dns TXT record.
	err = client.UpdateTXTRecord(ctx, account, "___validation_token_recieved_from_the_ca___")
	if err != nil {
		log.Fatal(err)
	}
}