import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession, hasPermission } from "@/lib/adminAuth";
import { connectDB } from "@/lib/db";
import { Bundle } from "@/models/Bundle";
import { createBundleAction } from "@/lib/actions/bundles";
import { corsHeaders, corsPreflight } from "@/lib/teamApiCors";

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

export async function GET(request: NextRequest) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession())) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  if (!(await hasPermission("bundles_view"))) {
    return NextResponse.json({ error: "Keine Berechtigung." }, { status: 403, headers });
  }
  await connectDB();
  const items = await Bundle.find({}).sort({ sortOrder: 1 }).lean();
  const bundles = items.map((i) => ({
    _id: String(i._id),
    title: i.title,
    titleEn: i.titleEn,
    description: i.description,
    descriptionEn: i.descriptionEn,
    price: i.price,
    compareAtPrice: i.compareAtPrice,
    active: i.active,
  }));
  return NextResponse.json({ bundles }, { headers });
}

export async function POST(request: NextRequest) {
  const headers = corsHeaders(request);
  const clientId = await getSessionClientId();
  if (!clientId || !(await isAdminSession())) {
    return NextResponse.json({ error: "Nicht angemeldet." }, { status: 401, headers });
  }
  const body = await request.json().catch(() => null);
  const formData = new FormData();
  formData.set("title", typeof body?.title === "string" ? body.title : "");
  formData.set("titleEn", typeof body?.titleEn === "string" ? body.titleEn : "");
  formData.set("description", typeof body?.description === "string" ? body.description : "");
  formData.set("descriptionEn", typeof body?.descriptionEn === "string" ? body.descriptionEn : "");
  formData.set("price", typeof body?.price === "number" ? String(body.price) : "0");
  if (body?.compareAtPrice) formData.set("compareAtPrice", String(body.compareAtPrice));
  formData.set("active", "on");

  const result = await createBundleAction({}, formData);
  if (result.error) return NextResponse.json({ error: result.error }, { status: 400, headers });
  return NextResponse.json({ ok: true }, { headers });
}