proper loggers are added

internal/delivery/handlers/smpp-otp-handlers.go

@@ -31,7 +31,7 @@ func (h *OTPHandler) GenerateAndSaveOTPHandler(w http.ResponseWriter, r *http.Re
 		return
 	}
 
-	err = h.Service.GenerateAndSaveOTP(request.PhoneNumber)
+	err = h.Service.SaveAndSendOTP(request.PhoneNumber)
 	if err != nil {
 		utils.RespondWithErrorJSON(w, http.StatusInternalServerError, err.Error())
 		return

internal/infrastructure/smpp.go

@@ -2,7 +2,11 @@ package smpp
 
 import (
 	"log"
+	"log/slog"
+	"os"
 	"smpp-otp/internal/config"
+	"smpp-otp/pkg/lib/logger"
+	"time"
 
 	"github.com/fiorix/go-smpp/smpp"
 	"github.com/fiorix/go-smpp/smpp/pdu"
@@ -14,19 +18,33 @@ type SMPPClient struct {
 }
 
 func NewSMPPClient(cfg *config.Config) (*SMPPClient, error) {
-	smppCfg := cfg.SMPP
-	tx := &smpp.Transceiver{
-		Addr:    smppCfg.Addr,
-		User:    smppCfg.User,
-		Passwd:  smppCfg.Pass,
-		Handler: func(p pdu.Body) {},
+	logger, err := logger.SetupLogger(cfg.Env)
+	if err != nil {
+		slog.Error("failed to set up logger: %v", err)
+		os.Exit(1)
 	}
 
-	connStatus := tx.Bind()
-	status := <-connStatus
-	if status.Status() != smpp.Connected {
-		log.Println("Failed to connect:", status.Error())
-		return nil, status.Error()
+	smppCfg := cfg.SMPP
+	var tx *smpp.Transceiver
+
+	for {
+		tx = &smpp.Transceiver{
+			Addr:    smppCfg.Addr,
+			User:    smppCfg.User,
+			Passwd:  smppCfg.Pass,
+			Handler: func(p pdu.Body) {},
+		}
+
+		connStatus := tx.Bind()
+		status := <-connStatus
+		if status.Status() == smpp.Connected {
+			logger.InfoLogger.Info("Connected to SMPP server.")
+			break
+		} else {
+			logger.ErrorLogger.Error("Failed to connect:", status.Error())
+			logger.InfoLogger.Info("Retrying in 5 seconds...")
+			time.Sleep(5 * time.Second) // Wait for 5 seconds before retrying
+		}
 	}
 
 	return &SMPPClient{Transceiver: tx}, nil

internal/service/interfaces/smpp-otp-service.go

@@ -5,6 +5,6 @@ import (
 )
 
 type OTPService interface {
-	GenerateAndSendOTP(cfg config.Config, phoneNumber string) error
+	SaveAndSendOTP(cfg config.Config, phoneNumber string) error
 	ValidateOTP(phoneNumber string, otp string) error
 }

internal/service/smpp-otp-service.go

@@ -27,7 +27,7 @@ func GenerateOTP() string {
 	return otp
 }
 
-func (s *OTPService) GenerateAndSaveOTP(phoneNumber string) error {
+func (s *OTPService) SaveAndSendOTP(phoneNumber string) error {
 	otp := GenerateOTP()
 	err := s.repository.SaveOTP(phoneNumber, otp)
 	if err != nil {