import { NextRequest, NextResponse } from "next/server";
import { getAdminToken } from "@/app/lib/pocketbase/admin";
import { getPocketBaseConfig } from "@/config/services.config";
import { getSalonApi } from "@/app/lib/salonApi";

/** 获取志愿者列表 - 优先 salonapi，回退直连 PocketBase */
export async function GET(request: NextRequest) {
  try {
    const { status, data } = await getSalonApi(request, "/api/salon/join/volunteers", {
      timeoutMs: 8000,
    });
    if (status === 200 && data && typeof data === "object") {
      const v = (data as { volunteer?: unknown }).volunteer;
      const payload = v && typeof v === "object" ? { volunteer: v } : { volunteer: null };
      return NextResponse.json(payload);
    }
  } catch {
    // salonapi 不可用，回退直连 PocketBase
  }

  const token = await getAdminToken();
  if (!token) {
    return NextResponse.json({ ok: true, volunteer: null }, { status: 200 });
  }

  const pb = getPocketBaseConfig();
  const base = pb.url.replace(/\/$/, "");

  try {
    const filter = encodeURIComponent("is_volunteer = true && is_approved = true");
    const res = await fetch(
      `${base}/api/collections/${pb.joinCollection}/records?filter=${filter}&sort=-created&perPage=20`,
      {
        headers: { Authorization: `Bearer ${token}` },
        cache: "no-store",
      }
    );
    if (!res.ok) {
      return NextResponse.json({ ok: true, volunteer: null }, { status: 200 });
    }
    const data = await res.json();
    const items = Array.isArray(data?.items) ? data.items : [];
    const rec = items[0] ?? null;
    const volunteer = rec
      ? {
          nickname: String(rec?.xiaohongshu_nickname || rec?.nickname || "").trim() || "志愿者",
          avatar: String(rec?.media || "").trim() || undefined,
          xiaohongshu_url: String(rec?.xiaohongshu_url || "").trim() || undefined,
        }
      : null;
    return NextResponse.json({ ok: true, volunteer });
  } catch {
    return NextResponse.json({ ok: true, volunteer: null }, { status: 200 });
  }
}