import { headers } from "next/headers";

/** 服务端获取第一个志愿者，用于替换发起人志愿者卡片。调用内部 API（API 优先走 salonapi 后端） */
export async function getVolunteer(): Promise<{
  nickname: string;
  avatar?: string;
  xiaohongshu_url?: string;
} | null> {
  try {
    const headersList = await headers();
    const host = headersList.get("host") || headersList.get("x-forwarded-host") || "localhost:3002";
    const proto = headersList.get("x-forwarded-proto") || (host.includes("localhost") ? "http" : "https");
    const base = `${proto}://${host}`;
    const res = await fetch(`${base}/api/join/volunteers`, { cache: "no-store" });
    const data = await res.json();
    const v = data?.volunteer;
    return v && typeof v === "object" && v.nickname ? v : null;
  } catch {
    return null;
  }
}