adding FetchbillByBillId

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

@@ -1,24 +1,70 @@
 package com.billpaymentservice.bbps.controller;
 
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.billpaymentservice.bbps.dto.GeneralResp;
 import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
+import com.billpaymentservice.bbps.dto.response.BillerDataResponse;
 import com.billpaymentservice.bbps.service.MasterDataService; 
 
 @RestController
 public class MasterDataController {
 
     private final MasterDataService masterDataService;
-
+    private static final Logger log = LoggerFactory.getLogger(MasterDataController.class);
     public MasterDataController(MasterDataService masterDataService) {
         this.masterDataService = masterDataService;
     }
+    @PostMapping(value = "/getBillerDetails",
+            consumes = MediaType.APPLICATION_JSON_VALUE,
+            produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<BillerDataResponse> getBillerDetails(
+            @Validated @RequestBody BillerDetailRequest billerDetailRequest) {
 
-    @PostMapping("/getBillerById")
-    public String getBillerById(@RequestBody BillerDetailRequest billerRequestRequest) {
-        masterDataService.getBillerByBillerId(billerRequestRequest);
-        return "Abc";
+        log.info("Received biller details request for billerId: {}", billerDetailRequest.getBillerId());
+
+        BillerDataResponse response = masterDataService.getBillerByBillerId(billerDetailRequest);
+        
+        HttpStatus status;
+        String statusCode = response.getGeneralResp() != null ? response.getGeneralResp().getStatusCode() : "500";
+
+        switch (statusCode) {
+            case "200":
+                status = HttpStatus.OK;
+                break;
+            case "404":
+                status = HttpStatus.NOT_FOUND;
+                break;
+            case "500":
+                status = HttpStatus.INTERNAL_SERVER_ERROR;
+                break;
+            default:
+                status = HttpStatus.BAD_REQUEST;
+                break;
+        }
+
+        log.info("Returning response for billerId: {} with HTTP status: {}", billerDetailRequest.getBillerId(), status);
+
+        return new ResponseEntity<>(response, status);
+
+       
+        }
     }
-}
+
+   
+
+
+