[HttpPost]
 public async Task<IActionResult> SaveLevelResult(
 [FromBody] GameRequest request)
 {
     try
     {
         // Log kiểm tra
         log.Info($"SaveLevelResult start");
         log.Info($"Token  : {request.token}");
         log.Info($"MSISDN : {request.msisdn}");
         log.Info($"TransId : {request.transId}");
         log.Info($"Level  : {request.level}");
         log.Info($"Score  : {request.score}");
         log.Info($"GameType  : {request.gameType}");
         log.Info($"gameOver  : {request.gameOver}");


         // TODO:
         // Gọi API backend
         // Ghi DB
         // Tính thưởng level

         await Task.Delay(100);

         return Json(new
         {
             point = "100",
             data = "1000M",
             score = "20000",
             transId = "1234567890asdf"
         });
     }
     catch (Exception ex)
     {
         return Json(new
         {
             success = false,
             message = ex.Message
         });
     }
 }



 [HttpPost]
 public IActionResult ExitGame(GameRequest request)
 {
     try
     {
         log.Info("ExitGame start");

         log.Info($"Token     : {request.token}");
         log.Info($"MSISDN    : {request.msisdn}");
         log.Info($"TransId   : {request.transId}");
         log.Info($"Level     : {request.level}");
         log.Info($"Score     : {request.score}");
         log.Info($"GameType  : {request.gameType}");
         log.Info($"GameOver  : {request.gameOver}");

         // Lưu DB
         // ...

         return RedirectToAction("Index", "Home");
     }
     catch (Exception ex)
     {
         log.Error(ex);

         return Json(new
         {
             success = false,
             message = ex.Message
         });
     }
 }