'use server';

import { verifyCredentials } from '@/lib/auth';
import { createSession, deleteSession } from '@/lib/session';
import { redirect } from 'next/navigation';

export async function login(prevState: any, formData: FormData) {
  const username = formData.get('username') as string;
  const password = formData.get('password') as string;

  if (!username || !password) {
    return { error: 'Bitte Benutzername und Passwort eingeben' };
  }

  const isValid = verifyCredentials(username, password);
  if (!isValid) {
    return { error: 'Ungültige Anmeldedaten' };
  }

  await createSession(username);
  redirect('/');
}

export async function logout() {
  await deleteSession();
  redirect('/login');
}