import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';

import '../widget/debug/debug_tile.dart';
import '../widget/debug/json_viewer.dart';
import 'notification_tasks.dart';

class NotificationController {
  // Notification display is handled by the Firebase SDK using server-generated payloads.
  @pragma('vm:entry-point')
  static Future<void> onBackgroundMessageHandler(RemoteMessage message) async {
    NotificationTasks.updateBadgeCount(message);
  }

  static Future<void> onForegroundMessageHandler(RemoteMessage message, BuildContext context) async {
    NotificationTasks.updateProviders(context);
    NotificationTasks.updateBadgeCount(message);
  }

  static Future<void> onAppOpenedByNotification(RemoteMessage message, BuildContext context) async {
    NotificationTasks.navigateToTalk(context, chatToken: _extractChatToken(message));
    NotificationTasks.updateProviders(context);

    DebugTile(context).run(() {
      showDialog(context: context, builder: (context) => AlertDialog(
        title: const Text('Notification report'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            const Text('Dieser Bericht wird angezeigt, da du den Entwicklermodus aktiviert hast und die App über eine Benachrichtigung geöffnet wurde.'),
            Text(JsonViewer.format(message.data)),
          ],
        ),
      ));
    });
  }

  static String? _extractChatToken(RemoteMessage message) {
    for (final key in const ['chatToken', 'token', 'roomToken']) {
      final value = message.data[key];
      if (value is String && value.isNotEmpty) return value;
    }
    return null;
  }
}