import { redirect } from 'next/navigation';
import { requireUser } from '@/lib/session';
import { engine } from '@/lib/engine';
import Header from '@/components/Header';
import CalendarView from '@/components/CalendarView';

export const metadata = { title: 'Календарь публикаций — PostCast' };

export default async function CalendarPage() {
  const user = await requireUser();
  if (!user) redirect('/login');

  let channels = [];
  try {
    channels = await engine.listChannels(user.id);
  } catch (e) {
    console.error('[Calendar] listChannels failed:', e.message);
  }

  return (
    <>
      <Header user={user} />
      <main className="max-w-7xl mx-auto p-4 sm:p-6">
        <div className="flex items-center justify-between mb-6">
          <div>
            <h1 className="text-2xl font-bold">Календарь публикаций</h1>
            <p className="text-sm text-gray-500 mt-1">
              Планируй и отслеживай выход постов по всем каналам
            </p>
          </div>
        </div>
        <CalendarView channels={channels} />
      </main>
    </>
  );
}