added refresh tocken

internal/config/config.go

@@ -9,22 +9,24 @@ import (
 )
 
 type Config struct {
-	ServerPort    string
-	MongoURI      string
-	MongoDB       string
-	JWTSecret     string
-	JWTExpiration time.Duration
+	ServerPort            string
+	MongoURI              string
+	MongoDB               string
+	JWTSecret             string
+	JWTExpiration         time.Duration
+	JWTRefreshExpiration  time.Duration
 }
 
 func Load() (*Config, error) {
 	godotenv.Load()
 
 	cfg := &Config{
-		ServerPort:    getEnv("SERVER_PORT", "8080"),
-		MongoURI:      getEnv("MONGO_URI", "mongodb://localhost:27017"),
-		MongoDB:       getEnv("MONGO_DB", "aegisguard"),
-		JWTSecret:     getEnv("JWT_SECRET", ""),
-		JWTExpiration: 24 * time.Hour,
+		ServerPort:           getEnv("SERVER_PORT", "8080"),
+		MongoURI:             getEnv("MONGO_URI", "mongodb://localhost:27017"),
+		MongoDB:              getEnv("MONGO_DB", "aegisguard"),
+		JWTSecret:            getEnv("JWT_SECRET", ""),
+		JWTExpiration:        24 * time.Hour,
+		JWTRefreshExpiration: 7 * 24 * time.Hour,
 	}
 
 	if cfg.JWTSecret == "" {
@@ -39,6 +41,14 @@ func Load() (*Config, error) {
 		cfg.JWTExpiration = d
 	}
 
+	if expStr := os.Getenv("JWT_REFRESH_EXPIRATION"); expStr != "" {
+		d, err := time.ParseDuration(expStr)
+		if err != nil {
+			return nil, fmt.Errorf("invalid JWT_REFRESH_EXPIRATION: %w", err)
+		}
+		cfg.JWTRefreshExpiration = d
+	}
+
 	return cfg, nil
 }