import { NextRequest, NextResponse } from 'next/server';
import { getServerSession } from 'next-auth';
import { authOptions } from "@/app/api/auth/[...nextauth]/route"
import realtimeNotificationService from '@/lib/realtime/RealtimeNotificationService';
import notificationManager from '@/lib/realtime/NotificationManager';

export async function GET(request: NextRequest) {
  try {
    const session = await getServerSession(authOptions);
    if (!session?.user?.roles || !session.user.roles.includes('admin')) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    const stats = {
      connectedClients: realtimeNotificationService.getConnectedClientCount(),
      dbConnectionStatus: notificationManager.getConnectionStatus(),
      timestamp: new Date().toISOString()
    };

    return NextResponse.json(stats);
  } catch (error) {
    console.error('Error fetching notification stats:', error);
    return NextResponse.json(
      { error: 'Failed to fetch stats' },
      { status: 500 }
    );
  }
}