9/10/1

lib/controller/firebase/access_token.dart

@@ -11,9 +11,10 @@ class AccessTokenManager {
 
   factory AccessTokenManager(String jsonKey) {
     if (_instance._isServiceAccountKeyInitialized()) {
-      // Prevent re-initialization
+      print('Service account key already initialized.');
       return _instance;
     }
+    print('Initializing service account key.');
     _instance.serviceAccountJsonKey = jsonKey;
     return _instance;
   }
@@ -28,23 +29,45 @@ class AccessTokenManager {
   }
 
   Future<String> getAccessToken() async {
-    if (_accessToken != null && DateTime.now().isBefore(_expiryDate!)) {
-      return _accessToken!.data;
-    }
+    print('Attempting to get a new access token...');
+
     try {
+      // Parse service account credentials from JSON
+      print('Parsing service account credentials...');
       final serviceAccountCredentials = ServiceAccountCredentials.fromJson(
           json.decode(serviceAccountJsonKey));
+
+      // Log service account email (or other non-sensitive information)
+      print('Service account email: ${serviceAccountCredentials.email}');
+
+      // Create an authenticated client via the service account
+      print('Creating authenticated client via service account...');
       final client = await clientViaServiceAccount(
         serviceAccountCredentials,
         ['https://www.googleapis.com/auth/firebase.messaging'],
       );
 
+      // Log successful client creation
+      print('Authenticated client created successfully.');
+
+      // Update the access token and expiry date
       _accessToken = client.credentials.accessToken;
       _expiryDate = client.credentials.accessToken.expiry;
+
+      // Log the obtained token and expiry time
+      print('Access token obtained: ${_accessToken!.data}');
+      print('Token expiry date: $_expiryDate');
+
+      // Close the client to prevent resource leaks
+      print('Closing authenticated client...');
       client.close();
+
+      // Return the newly fetched access token
       return _accessToken!.data;
     } catch (e) {
-      throw Exception('Failed to obtain access token');
+      // Log error if token fetch fails
+      print('Failed to obtain a new access token: $e');
+      throw Exception('Failed to obtain a new access token: $e');
     }
   }
 }