Notifications

// Push notification payload
{
  "type": "new_trip_request",
  "trip_id": "12345",
  "pickup_address": "Calle 72 #10-34",
  "destination_address": "Carrera 15 #85-23",
  "distance_to_pickup": 1.2,
  "estimated_fare": 12500,
  "passenger_rating": 4.8,
  "expires_in": 30
}

// Firebase messaging setup from source
import 'package:firebase_messaging/firebase_messaging.dart';

class NotificationService {
  final FirebaseMessaging _messaging = FirebaseMessaging.instance;
  
  Future<void> initialize() async {
    // Request permission
    await _messaging.requestPermission(
      alert: true,
      badge: true,
      sound: true,
    );
    
    // Get FCM token
    final token = await _messaging.getToken();
    
    // Send token to backend
    await registerDeviceToken(token);
    
    // Handle foreground messages
    FirebaseMessaging.onMessage.listen(_handleForegroundMessage);
    
    // Handle background messages
    FirebaseMessaging.onBackgroundMessage(_backgroundMessageHandler);
  }
}

// Local notifications for offline scenarios
import 'package:flutter_local_notifications/flutter_local_notifications.dart';

class LocalNotificationService {
  final FlutterLocalNotificationsPlugin _plugin = 
      FlutterLocalNotificationsPlugin();
  
  Future<void> scheduleDocumentExpiry(
    DateTime expiryDate,
    String documentType,
  ) async {
    // Schedule 30 days before
    await _plugin.zonedSchedule(
      0,
      'Document Expiring Soon',
      'Your $documentType expires in 30 days',
      expiryDate.subtract(Duration(days: 30)),
      platformChannelSpecifics,
      uiLocalNotificationDateInterpretation:
          UILocalNotificationDateInterpretation.absoluteTime,
    );
  }
}