import { NextResponse } from 'next/server';
import { auth } from '@/auth';

export async function GET(request: Request) {
  const session = await auth();
  if (!session) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }

  try {
    const { searchParams } = new URL(request.url);
    const handle = searchParams.get('handle');
    const email = session.user?.email as string | undefined;

    if (!handle) {
      return NextResponse.json({ error: '핸들이 필요합니다' }, { status: 400 });
    }

    if (!email) {
      return NextResponse.json({ error: '세션 이메일을 찾을 수 없습니다' }, { status: 400 });
    }

    const upstream = await fetch('http://localhost:10001/register_channel', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ email, handle })
    });

    let data: any = null;
    const text = await upstream.text();
    try {
      data = text ? JSON.parse(text) : null;
    } catch {
      data = { message: text };
    }

    return NextResponse.json(data ?? {}, { status: upstream.status });
  } catch (error) {
    console.error('register_channel 프록시 오류:', error);
    return NextResponse.json({ error: '업스트림 요청 실패' }, { status: 502 });
  }
}