import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession } from "@/lib/adminAuth";
import { markOrderPaidAction, markOrderUnpaidAction, setOrderDepositAction, recordRefundAction } from "@/lib/actions/admin";
import { corsHeaders, corsPreflight } from "@/lib/teamApiCors";

export async function OPTIONS(request: NextRequest) {
  return corsPreflight(request);
}

export async function POST(request: NextRequest, { params }: { params: Promise<{ orderId: string }> }) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession())) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  const { orderId } = await params;
  const body = await request.json().catch(() => null);
  const action = body?.action;

  if (action === "mark-paid") {
    await markOrderPaidAction(orderId, typeof body?.method === "string" ? body.method : "other");
  } else if (action === "mark-unpaid") {
    await markOrderUnpaidAction(orderId);
  } else if (action === "deposit") {
    await setOrderDepositAction(orderId, Number(body?.amount) || 0);
  } else if (action === "refund") {
    const amount = Number(body?.amount);
    if (!Number.isFinite(amount) || amount <= 0) return NextResponse.json({ error: "Bitte einen gültigen Betrag angeben." }, { status: 400, headers });
    await recordRefundAction(orderId, amount, typeof body?.note === "string" ? body.note : "");
  } else {
    return NextResponse.json({ error: "Unbekannte Aktion." }, { status: 400, headers });
  }
  return NextResponse.json({ ok: true }, { headers });
}