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

export async function GET() {
  const user = await requireUser();
  if (!user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  try {
    const channels = await engine.listChannels(user.id);
    return NextResponse.json(channels);
  } catch (err) {
    return NextResponse.json({ error: err.message }, { status: 500 });
  }
}

export async function POST(req) {
  const user = await requireUser();
  if (!user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  try {
    const body = await req.json();
    const channel = await engine.createChannel(user.id, body);
    return NextResponse.json(channel);
  } catch (err) {
    const status = err.status === 402 ? 402 : 500;
    return NextResponse.json({ error: err.message, code: err.code }, { status });
  }
}