// app/api/me/route.ts
import { NextResponse } from 'next/server';
import { getCurrentUser } from '@/lib/auth';

export async function GET() {
  try {
    const user = await getCurrentUser();

    if (!user) {
      return NextResponse.json(
        { user: null },
        { status: 200 },
      );
    }

    // Rollen-Namen aus der Relation ziehen
    const roles = (user.roles ?? []).map((ur) => ur.role.name);

    // "Anzeigename" zusammenbauen
    const fullName = [user.firstName, user.lastName].filter(Boolean).join(' ') || null;

    const displayName = user.arbeitsname ?? fullName;

    return NextResponse.json(
      {
        user: {
          id: user.nwkennung,      // dein Primärschlüssel
          email: user.email,
          name: displayName,       // <-- statt user.name
          roles,                   // string[]
        },
      },
      { status: 200 },
    );
  } catch (err) {
    console.error('[GET /api/me]', err);
    return NextResponse.json(
      { user: null, error: 'INTERNAL_ERROR' },
      { status: 500 },
    );
  }
}