import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession } from "@/lib/adminAuth";
import { deleteFaqItemAction, updateFaqItemAction, moveFaqItemAction } from "@/lib/actions/faq";
import { corsHeaders, corsPreflight } from "@/lib/teamApiCors";

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

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

  if (body?.direction === "up" || body?.direction === "down") {
    await moveFaqItemAction(itemId, body.direction);
    return NextResponse.json({ ok: true }, { headers });
  }

  const formData = new FormData();
  formData.set("question", typeof body?.question === "string" ? body.question : "");
  formData.set("questionEn", typeof body?.questionEn === "string" ? body.questionEn : "");
  formData.set("answer", typeof body?.answer === "string" ? body.answer : "");
  formData.set("answerEn", typeof body?.answerEn === "string" ? body.answerEn : "");
  formData.set("category", typeof body?.category === "string" ? body.category : "");
  formData.set("categoryEn", typeof body?.categoryEn === "string" ? body.categoryEn : "");
  await updateFaqItemAction(itemId, formData);
  return NextResponse.json({ ok: true }, { headers });
}

export async function DELETE(request: NextRequest, { params }: { params: Promise<{ itemId: string }> }) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession())) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  const { itemId } = await params;
  await deleteFaqItemAction(itemId);
  return NextResponse.json({ ok: true }, { headers });
}