added login with otp and verify otp

src/main/java/com/billpaymentservice/bbps/controller/AuthController.java

@@ -0,0 +1,51 @@
+package com.billpaymentservice.bbps.controller;
+
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.billpaymentservice.bbps.dto.auth.AuthResponse;
+import com.billpaymentservice.bbps.dto.auth.LoginRequest;
+import com.billpaymentservice.bbps.dto.auth.OtpSendResponse;
+import com.billpaymentservice.bbps.dto.auth.RegisterRequest;
+import com.billpaymentservice.bbps.dto.auth.VerifyOtpRequest;
+import com.billpaymentservice.bbps.service.AuthService;
+
+import lombok.extern.slf4j.Slf4j;
+
+@RestController
+@RequestMapping("/auth")
+@CrossOrigin(origins = "*")
+@Slf4j
+public class AuthController {
+
+    private final AuthService authService;
+
+    public AuthController(AuthService authService) {
+        this.authService = authService;
+    }
+
+    @PostMapping(value = "/sendOtp", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<OtpSendResponse> sendOtp(@Validated @RequestBody LoginRequest request) {
+    	log.info("Received sendOtp request for mobile: {}", request.getMobile());
+        OtpSendResponse resp = authService.sendOtp(request);
+        return ResponseEntity.ok(resp);
+    }
+
+    @PostMapping(value = "/verifyOtp", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<AuthResponse> verifyOtp(@Validated @RequestBody VerifyOtpRequest request) {
+        AuthResponse resp = authService.verifyOtp(request);
+        return ResponseEntity.ok(resp);
+    }
+
+    @PostMapping(value = "/register", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<AuthResponse> register(@Validated @RequestBody RegisterRequest request) {
+        AuthResponse resp = authService.registerUser(request);
+        return ResponseEntity.ok(resp);
+    }
+}