Revert "feat(loyalty): EnakPoint & EnakCoin" (#32)

This reverts merge commit 645da30, returning main to f0ff59f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/service/spin_game_service.go

@@ -6,6 +6,7 @@ import (
 
 	"apskel-pos-be/internal/models"
 	"apskel-pos-be/internal/processor"
+	"apskel-pos-be/internal/repository"
 
 	"github.com/google/uuid"
 )
@@ -16,11 +17,13 @@ type SpinGameService interface {
 
 type spinGameService struct {
 	gamePlayProcessor *processor.GamePlayProcessor
+	txManager         *repository.TxManager
 }
 
-func NewSpinGameService(gamePlayProcessor *processor.GamePlayProcessor) SpinGameService {
+func NewSpinGameService(gamePlayProcessor *processor.GamePlayProcessor, txManager *repository.TxManager) SpinGameService {
 	return &spinGameService{
 		gamePlayProcessor: gamePlayProcessor,
+		txManager:         txManager,
 	}
 }
 
@@ -42,13 +45,28 @@ func (s *spinGameService) PlaySpinGame(ctx context.Context, customerID string, r
 		return nil, fmt.Errorf("invalid customer ID format: %w", err)
 	}
 
-	// PlayGame runs its own transaction and charges the game's coin_cost in EnakCoin.
-	playResponse, err := s.gamePlayProcessor.PlayGame(ctx, &models.PlayGameRequest{
-		GameID:     spinID,
-		CustomerID: customerUUID,
+	// Use transaction to ensure consistency
+	var playResponse *models.PlayGameResponse
+	err = s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
+		// Create play game request
+		playGameReq := &models.PlayGameRequest{
+			GameID:     spinID,
+			CustomerID: customerUUID,
+			TokenUsed:  1, // Default to 1 token per spin
+		}
+
+		// Play the game within transaction
+		var playErr error
+		playResponse, playErr = s.gamePlayProcessor.PlayGame(txCtx, playGameReq)
+		if playErr != nil {
+			return fmt.Errorf("failed to play spin game: %w", playErr)
+		}
+
+		return nil
 	})
+
 	if err != nil {
-		return nil, fmt.Errorf("failed to play spin game: %w", err)
+		return nil, err
 	}
 
 	// Convert prize to customer-facing format
@@ -70,9 +88,9 @@ func (s *spinGameService) PlaySpinGame(ctx context.Context, customerID string, r
 		Status:  "SUCCESS",
 		Message: "Spin game completed successfully.",
 		Data: &models.SpinGameResponseData{
-			GamePlay:       playResponse.GamePlay,
-			PrizeWon:       customerPrize,
-			CoinsRemaining: playResponse.CoinsRemaining,
+			GamePlay:        playResponse.GamePlay,
+			PrizeWon:        customerPrize,
+			TokensRemaining: playResponse.TokensRemaining,
 		},
 	}