PhysiGo/app/lib/services/push_notifications_service.dart

import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;

class PushNotificationsService {
  static const _url = 'https://physigo.vercel.app/api/push-notification';

  static void sendFriendRequestNotification(String userId, String name, String surname) {
    const title = "Friend Request";
    final body = "$name $surname wants to be your friend";
    _sendPushNotification(userId, title, body);
  }

  static void sendChallengeLocationRequestNotification(String userId, String name, String surname) {
    const title = "Shared Challenge location request";
    final body = "$name $surname shared their challenge's location with you";
    _sendPushNotification(userId, title, body);
  }

  static void sendFriendRequestAcceptedNotification(String userId, String name, String surname) {
    const title = "New Friend";
    final body = "$name $surname is now your friend!";
    _sendPushNotification(userId, title, body);
  }

  static Future<void> _sendPushNotification(String userId, String title, String body) async {
    try {
      await http.post(Uri.parse('$_url?user_id=$userId&title=$title&body=$body'));
    } catch (error) {
      // We don't care if sending the notification fails
      if (kDebugMode) {
        debugPrint(error.toString());
      }
    }
  }
}