import { NextRequest, NextResponse } from 'next/server';

const ANALYTICS_BACKEND = process.env.ANALYTICS_BACKEND_URL || 'http://127.0.0.1:8000';

export async function POST(req: NextRequest) {
  try {
    const body = await req.text();
    const response = await fetch(`${ANALYTICS_BACKEND}/analytics/ml-edge`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body,
    });

    if (!response.ok) {
      const message = await response.text();
      return NextResponse.json({ message }, { status: response.status });
    }

    const data = (await response.json()) as Record<string, unknown>;
    return NextResponse.json(data);
  } catch (error) {
    const message = error instanceof Error ? error.message : 'ML Edge 服務暫時無法連線';
    return NextResponse.json({ message }, { status: 502 });
  }
}