High-Performance Full-Stack Web Development

import { NextRequest } from 'next/server';
import { db } from '@/lib/db';
import { redis } from '@/lib/redis';

export const runtime = 'edge';

export async function GET(req: NextRequest) {
  const cacheKey = 'metrics:summary:live';
  const cached = await redis.get(cacheKey);

  if (cached) {
    return Response.json(JSON.parse(cached), {
      headers: { 'Cache-Control': 'public, s-maxage=30, stale-while-revalidate=59' }
    });
  }

  const liveData = await db.analytics.aggregate({
    _avg: { latencyMs: true },
    _count: { requests: true },
  });

  await redis.setex(cacheKey, 30, JSON.stringify(liveData));
  return Response.json(liveData);
}