From de23d2277c9d7ff8ef4aff2a99d9d0a2b8a05643 Mon Sep 17 00:00:00 2001
From: kanyanat <kanyanat@bda.co.th>
Date: Wed, 3 Dec 2025 18:15:39 +0700
Subject: [PATCH] add notification service

---
 src/utils/NotificationService.js | 113 +++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/utils/NotificationService.js

diff --git a/src/utils/NotificationService.js b/src/utils/NotificationService.js
new file mode 100644
index 0000000..befba01
--- /dev/null
+++ b/src/utils/NotificationService.js
@@ -0,0 +1,113 @@
+import messaging from '@react-native-firebase/messaging';
+import notifee from '@notifee/react-native';
+import { Platform } from 'react-native';
+
+class NotificationService {
+  
+  static async initialize() {
+    try {
+      // Request permissions
+      const authStatus = await messaging().requestPermission({
+        alert: true,
+        sound: true,
+        badge: true,
+      });
+
+      const enabled =
+        authStatus === messaging.AuthorizationStatus.AUTHORIZED ||
+        authStatus === messaging.AuthorizationStatus.PROVISIONAL;
+
+      if (enabled) {
+        console.log('Notification permission granted.');
+        
+        // Register for remote messages
+        await messaging().registerDeviceForRemoteMessages();
+        
+        // Request Notifee permissions for iOS
+        if (Platform.OS === 'ios') {
+          await notifee.requestPermission();
+        }
+        
+        return true;
+      } else {
+        console.log('Notification permission denied.');
+        return false;
+      }
+    } catch (error) {
+      console.error('Failed to initialize notifications:', error);
+      return false;
+    }
+  }
+
+  static async getTokens() {
+    try {
+      const tokens = {};
+      
+      // Get FCM token
+      tokens.fcmToken = await messaging().getToken();
+      console.log('FCM Token:', tokens.fcmToken);
+      
+      // Get APNs token for iOS
+      if (Platform.OS === 'ios') {
+        let apnsToken = null;
+        let retry = 0;
+        const maxRetries = 15;
+        
+        while (!apnsToken && retry < maxRetries) {
+          try {
+            apnsToken = await messaging().getAPNSToken();
+            if (!apnsToken) {
+              console.log(`Waiting for APNs token... (${retry + 1}/${maxRetries})`);
+              await new Promise(resolve => setTimeout(resolve, 2000));
+            }
+          } catch (error) {
+            console.log('Error getting APNs token:', error);
+          }
+          retry++;
+        }
+        
+        if (apnsToken) {
+          tokens.apnsToken = apnsToken;
+          console.log('APNs Token:', apnsToken);
+        } else {
+          console.log('Failed to get APNs token after retries');
+        }
+      }
+      
+      return tokens;
+    } catch (error) {
+      console.error('Failed to get tokens:', error);
+      return {};
+    }
+  }
+
+  static async setupBackgroundHandler() {
+    // Handle background messages
+    messaging().setBackgroundMessageHandler(async remoteMessage => {
+      console.log('Message handled in the background!', remoteMessage);
+      
+      // Display notification using Notifee
+      await notifee.displayNotification({
+        title: remoteMessage.notification?.title || 'New Message',
+        body: remoteMessage.notification?.body || 'You have a new message',
+        data: remoteMessage.data,
+        android: {
+          channelId: 'default',
+          smallIcon: 'ic_launcher',
+        },
+      });
+    });
+  }
+
+  static async createNotificationChannel() {
+    if (Platform.OS === 'android') {
+      await notifee.createChannel({
+        id: 'default',
+        name: 'Default Channel',
+        importance: 4, // High importance
+      });
+    }
+  }
+}
+
+export default NotificationService;
\ No newline at end of file