import { NextRequest, NextResponse } from "next/server";
import { postMeetupApi } from "../_paymentApi";

/** Vercel serverless 超时时间（秒），避免上游慢导致 502 */
export const maxDuration = 20;

export async function POST(request: NextRequest) {
  try {
    const body = await request.json().catch(() => ({}));
    const email = String(body?.email || "").trim();
    if (!email) {
      return NextResponse.json({ ok: false, error: "Please enter your email" }, { status: 400 });
    }

    const { status, data } = await postMeetupApi(request, "/api/meetup/check-user", { email });

    // 上游返回 5xx 时，统一为 503 并返回友好提示，避免直接透传 502
    if (status >= 500) {
      const payload = typeof data === "object" && data !== null ? (data as Record<string, unknown>) : {};
      return NextResponse.json(
        { ok: false, error: (payload.error as string) || "服务暂时不可用，请稍后重试" },
        { status: 503 }
      );
    }

    return NextResponse.json(data, { status });
  } catch (error) {
    const isTimeout =
      error instanceof Error &&
      (error.name === "AbortError" || error.message.toLowerCase().includes("abort"));
    console.error("check-user error:", error);
    return NextResponse.json(
      {
        ok: false,
        error: isTimeout
          ? "请求超时，请确认 payjsapi 已启动（cd payjsapi && python run.py）"
          : "服务暂时不可用，请稍后重试",
      },
      { status: 503 }
    );
  }
}