import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { getSessionClientId } from "@/lib/auth";
import { isAdminSession, hasPermission } from "@/lib/adminAuth";
import { getLogFeed, normalizeCategory, normalizeRange } from "@/lib/logFeed";
import { corsHeaders, corsPreflight } from "@/lib/teamApiCors";

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

const PAGE_SIZE = 60;

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("logs"))) {
    return NextResponse.json({ error: "Keine Berechtigung." }, { status: 403, headers });
  }
  const { searchParams } = new URL(request.url);
  const category = normalizeCategory(searchParams.get("cat"));
  const range = normalizeRange(searchParams.get("range"));
  const page = Math.max(1, Number(searchParams.get("page")) || 1);

  const result = await getLogFeed({ category, range, page, pageSize: PAGE_SIZE });
  return NextResponse.json(result, { headers });
}