import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession, hasPermission } from "@/lib/adminAuth";
import { getPortfolioList } from "@/lib/portfolioList";
import { createPortfolioItemAction } from "@/lib/actions/portfolio";
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("portfolio_view"))) {
    return NextResponse.json({ error: "Keine Berechtigung." }, { status: 403, headers });
  }
  const page = Math.max(1, parseInt(request.nextUrl.searchParams.get("page") || "1", 10) || 1);
  const data = await getPortfolioList(page);
  return NextResponse.json(data, { headers });
}

// Multipart-Formular direkt durchgereicht — die Renderer-Seite baut dasselbe
// FormData-Objekt wie NewPortfolioItemForm im Browser (image-Dateien
// inklusive), Feldnamen müssen exakt übereinstimmen.
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 formData = await request.formData();
  const result = await createPortfolioItemAction({}, formData);
  if (result.error) return NextResponse.json({ error: result.error }, { status: 400, headers });
  return NextResponse.json({ ok: true }, { headers });
}