import { NextRequest, NextResponse } from "next/server";
import { PAYMENT_API_URL } from "../../../lib/env";

export async function GET(request: NextRequest) {
  const orderId = request.nextUrl.searchParams.get("order_id");
  if (!orderId) {
    return NextResponse.json({ ok: false, error: "缺少 order_id" }, { status: 400 });
  }
  if (!PAYMENT_API_URL) {
    return NextResponse.json({ ok: false, error: "未配置 PAYMENT_API_URL" }, { status: 500 });
  }
  try {
    const res = await fetch(
      `${PAYMENT_API_URL}/zpay_order_status?out_trade_no=${encodeURIComponent(orderId)}`,
      { cache: "no-store" }
    );
    const data = await res.json().catch(() => ({}));
    return NextResponse.json({ ok: true, paid: !!data?.paid });
  } catch (e) {
    return NextResponse.json({ ok: false, paid: false, error: String(e) }, { status: 500 });
  }
}