fix: correctly set the country code when no flag is passed:

- And send uuid in node info

cmd/hvpn-node/hvpn-node.go

@@ -14,9 +14,10 @@ import (
 	"strings"
 	"time"
 
+	"github.com/biter777/countries"
+	"github.com/google/uuid"
 	"github.com/urfave/cli/v2"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
-    "github.com/biter777/countries"
 
 	hvpnnode3 "gitea.hbanafa.com/HeshamTB/hvpn-node3"
 )
@@ -35,6 +36,7 @@ var WgPort int
 var wgLink *hvpnnode3.WGLink
 
 var Country countries.CountryCode
+var UUID uuid.UUID
 
 var httpPort int
 var TLS_ENABLED bool
@@ -211,7 +213,6 @@ func createCliApp() *cli.App {
             if c == countries.Unknown {
                 return errors.New(fmt.Sprintf("Country code %s is unknown", s))
             }
-            Country = c
             return nil
         },
         EnvVars: []string{ "HVPN_COUNTRY" },
@@ -287,6 +288,8 @@ func setup(ctx *cli.Context) error {
         os.Exit(-1)
     }
     slog.Info("Node UUID: " + uuid.String())
+    UUID = *uuid
+    Country = countries.ByName(string(ctx.String("country")))
 
     var privateKey wgtypes.Key
     createPrivKey := func() error {

proto/node.go

@@ -3,6 +3,7 @@ package proto
 import "time"
 
 type NodePublicInfo struct {
+    UUID string `json:"uuid"`
     PublicKey string `json:"public_key"`
     UDPPort int `json:"udp_port"`
     Endpoint string `json:"endpoint"`