import { NextResponse } from 'next/server';
import { requireUser } from '@/lib/session';
import { engine } from '@/lib/engine';

export async function GET(request, { params }) {
  const user = await requireUser();
  if (!user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  const { searchParams } = new URL(request.url);
  try {
    const { channelId } = await params;
    const data = await engine.getChannelMetrics(channelId, Object.fromEntries(searchParams));
    return NextResponse.json(data);
  } catch (err) {
    return NextResponse.json({ error: err.message }, { status: err.status || 500 });
  }
}