feat: fetch contact in makeGsmCall to show it in call

dialer/lib/services/call_service.dart

@@ -1,12 +1,16 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import '../features/call/call_page.dart';
-import '../features/call/incoming_call_page.dart'; // Import the new page
+import '../features/call/incoming_call_page.dart';
+import '../services/contact_service.dart'; // Import your ContactService
 
 class CallService {
   static const MethodChannel _channel = MethodChannel('call_service');
   static String? currentPhoneNumber;
+  static String? currentDisplayName; // Store display name
+  static Uint8List? currentThumbnail; // Store thumbnail
   static bool _isCallPageVisible = false;
+  final ContactService _contactService = ContactService(); // Instantiate ContactService
 
   static final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 
@@ -24,6 +28,8 @@ class CallService {
           final phoneNumber = call.arguments["callId"] as String;
           final state = call.arguments["state"] as String;
           currentPhoneNumber = phoneNumber.replaceFirst('tel:', '');
+          // Fetch contact info using ContactService if not already set
+          await _fetchContactInfo(currentPhoneNumber!);
           print('CallService: Call added, number: $currentPhoneNumber, state: $state');
           if (state == "ringing") {
             _navigateToIncomingCallPage(context);
@@ -47,11 +53,40 @@ class CallService {
           print('CallService: Call ended/removed');
           _closeCallPage(context);
           currentPhoneNumber = null;
+          currentDisplayName = null;
+          currentThumbnail = null;
           break;
       }
     });
   }
 
+  Future<void> _fetchContactInfo(String phoneNumber) async {
+    if (currentDisplayName != null && currentThumbnail != null) return; // Already set
+    try {
+      final contacts = await _contactService.fetchContacts(); // Use ContactService
+      for (var contact in contacts) {
+        for (var phone in contact.phones) {
+          if (_normalizePhoneNumber(phone.number) == _normalizePhoneNumber(phoneNumber)) {
+            currentDisplayName = contact.displayName;
+            currentThumbnail = contact.thumbnail;
+            return;
+          }
+        }
+      }
+      // If no match found, use phone number as fallback
+      currentDisplayName ??= phoneNumber;
+      currentThumbnail ??= null;
+    } catch (e) {
+      print('CallService: Error fetching contact info: $e');
+      currentDisplayName = phoneNumber;
+      currentThumbnail = null;
+    }
+  }
+
+  String _normalizePhoneNumber(String number) {
+    return number.replaceAll(RegExp(r'[\s\-\(\)]'), '');
+  }
+
   void _navigateToCallPage(BuildContext context) {
     if (_isCallPageVisible && ModalRoute.of(context)?.settings.name == '/call') {
       print('CallService: CallPage already visible, skipping navigation');
@@ -63,9 +98,9 @@ class CallService {
       MaterialPageRoute(
         settings: const RouteSettings(name: '/call'),
         builder: (context) => CallPage(
-          displayName: currentPhoneNumber!,
+          displayName: currentDisplayName ?? currentPhoneNumber!,
           phoneNumber: currentPhoneNumber!,
-          thumbnail: null,
+          thumbnail: currentThumbnail,
         ),
       ),
     ).then((_) {
@@ -85,9 +120,9 @@ class CallService {
       MaterialPageRoute(
         settings: const RouteSettings(name: '/incoming_call'),
         builder: (context) => IncomingCallPage(
-          displayName: currentPhoneNumber!,
+          displayName: currentDisplayName ?? currentPhoneNumber!,
           phoneNumber: currentPhoneNumber!,
-          thumbnail: null,
+          thumbnail: currentThumbnail,
         ),
       ),
     ).then((_) {
@@ -116,6 +151,8 @@ class CallService {
   }) async {
     try {
       currentPhoneNumber = phoneNumber;
+      currentDisplayName = displayName ?? phoneNumber; // Use provided or fetch later
+      currentThumbnail = thumbnail; // Use provided or fetch later
       print('CallService: Making GSM call to $phoneNumber');
       final result = await _channel.invokeMethod('makeGsmCall', {"phoneNumber": phoneNumber});
       print('CallService: makeGsmCall result: $result');
@@ -123,7 +160,11 @@ class CallService {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(content: Text("Failed to initiate call")),
         );
+        return;
       }
+      // Fetch contact info if not provided
+      await _fetchContactInfo(phoneNumber);
+      _navigateToCallPage(context); // Navigate immediately after call initiation
     } catch (e) {
       print("CallService: Error making call: $e");
       ScaffoldMessenger.of(context).showSnackBar(