[add]: bank call auth endpoint

app/api/integrations/simbrella.py

@@ -8,6 +8,45 @@ import logging
 class SimbrellaIntegration:
     BASE_URL = settings.SIMBRELLA_BASE_URL
     ENDPOINT_RAC_CHECKS = settings.SIMBRELLA_ENDPOINT_RAC_CHECKS
+    HEALTH_ENDPOINT = settings.SIMBRELLA_HEALTH
+    AUTH_ENDPOINT =  settings.BANK_CALL_AUTH_ENDPOINT
+
+    _access_token = None  # cache token in memory
+
+    @staticmethod
+    def generate_token():
+        """
+        Generate a new access token using the username and password from settings.
+        """
+        url = f"{SimbrellaIntegration.BASE_URL}{SimbrellaIntegration.AUTH_ENDPOINT}"
+
+        payload = {
+            "username": settings.BANK_CALL_USERNAME,
+            "password": settings.BANK_CALL_PASSWORD,
+            "grant_type": "password"
+        }
+
+        headers = {"Content-Type": "application/json"}
+
+        try:
+            logger.info(f"Requesting token from {url}")
+
+            response = httpx.post(url, json=payload, headers=headers, timeout=10.0)
+            response.raise_for_status()
+
+            data = response.json()
+            SimbrellaIntegration._access_token = data.get("access_token")
+
+            if not SimbrellaIntegration._access_token:
+                raise Exception("Access token not found in response")
+
+            logger.info("Successfully retrieved access token")
+            return SimbrellaIntegration._access_token
+
+        except Exception as e:
+            logger.error(f"Token generation failed: {str(e)}", exc_info=True)
+            raise Exception(f"Token generation failed: {str(e)}")
+
 
     @staticmethod
     def rac_check(customer_id, account_id, transaction_id):
@@ -28,8 +67,7 @@ class SimbrellaIntegration:
 
         headers = {
             "Content-Type": "application/json",
-            "x-api-key": f"{settings.VALID_API_KEY}",
-            "App-Id": f"{settings.VALID_APP_ID}",
+            "Authorization": f"Bearer {SimbrellaIntegration._access_token}"
         }
 
         try:
@@ -42,4 +80,26 @@ class SimbrellaIntegration:
         except Exception as e:
             logger.error(f"RACCheck API call failed: {str(e)}", exc_info=True)
             raise Exception(f"RACCheck API call failed: {str(e)}")
+        
+    @staticmethod
+    def health_check():
+        """
+        Health check for Simbrella Service
+        """
+       
+        url = f"{SimbrellaIntegration.BASE_URL}/{SimbrellaIntegration.HEALTH_ENDPOINT}"
+        logger.info(f"Simbrella Health Check URL: {url}")
+        
+        try:
+            headers = {
+                "Content-Type": "application/json",
+                "Authorization": f"Bearer {SimbrellaIntegration._access_token}"
+            }
+
+            response = httpx.get(url, headers=headers, timeout=10.0)
+            logger.info(f"Simbrella Health Check Response: {response.text}")
+            return response
+        except Exception as e:
+            logger.error(f"Simbrella Health Check API call failed: {str(e)}", exc_info=True)
+            raise Exception(f"Simbrella Health Check API call failed: {str(e)}")