import { Suspense } from 'react';
import Link from 'next/link';
import { auth } from '@/lib/auth';
import { getSessionsByUserId } from '@/services/sessions';
import { getMotivatorSessionsByUserId } from '@/services/moving-motivators';
import { Card, Button } from '@/components/ui';
import { WorkshopTabs } from './WorkshopTabs';

function WorkshopTabsSkeleton() {
  return (
    <div className="space-y-6">
      {/* Tabs skeleton */}
      <div className="flex gap-2 border-b border-border pb-4">
        {[...Array(4)].map((_, i) => (
          <div key={i} className="h-10 w-32 bg-card animate-pulse rounded-lg" />
        ))}
      </div>
      {/* Cards skeleton */}
      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-3">
        {[...Array(6)].map((_, i) => (
          <div key={i} className="h-40 bg-card animate-pulse rounded-xl" />
        ))}
      </div>
    </div>
  );
}

export default async function SessionsPage() {
  const session = await auth();

  if (!session?.user?.id) {
    return null;
  }

  // Fetch both SWOT and Moving Motivators sessions
  const [swotSessions, motivatorSessions] = await Promise.all([
    getSessionsByUserId(session.user.id),
    getMotivatorSessionsByUserId(session.user.id),
  ]);

  // Add type to each session for unified display
  const allSwotSessions = swotSessions.map((s) => ({
    ...s,
    workshopType: 'swot' as const,
  }));

  const allMotivatorSessions = motivatorSessions.map((s) => ({
    ...s,
    workshopType: 'motivators' as const,
  }));

  // Combine and sort by updatedAt
  const allSessions = [...allSwotSessions, ...allMotivatorSessions].sort(
    (a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime()
  );

  const hasNoSessions = allSessions.length === 0;

  return (
    <main className="mx-auto max-w-7xl px-4 py-8">
      {/* Header */}
      <div className="mb-8 flex flex-col sm:flex-row sm:items-center justify-between gap-4">
        <div>
          <h1 className="text-3xl font-bold text-foreground">Mes Ateliers</h1>
          <p className="mt-1 text-muted">Tous vos ateliers en un seul endroit</p>
        </div>
        <div className="flex gap-2">
          <Link href="/sessions/new">
            <Button variant="outline">
              <span>📊</span>
              Nouveau SWOT
            </Button>
          </Link>
          <Link href="/motivators/new">
            <Button>
              <span>🎯</span>
              Nouveau Motivators
            </Button>
          </Link>
        </div>
      </div>

      {/* Content */}
      {hasNoSessions ? (
        <Card className="p-12 text-center">
          <div className="text-5xl mb-4">🚀</div>
          <h2 className="text-xl font-semibold text-foreground mb-2">
            Commencez votre premier atelier
          </h2>
          <p className="text-muted mb-6 max-w-md mx-auto">
            Créez un atelier SWOT pour analyser les forces et faiblesses, ou un Moving Motivators
            pour découvrir les motivations de vos collaborateurs.
          </p>
          <div className="flex gap-3 justify-center">
            <Link href="/sessions/new">
              <Button variant="outline">
                <span>📊</span>
                Créer un SWOT
              </Button>
            </Link>
            <Link href="/motivators/new">
              <Button>
                <span>🎯</span>
                Créer un Moving Motivators
              </Button>
            </Link>
          </div>
        </Card>
      ) : (
        <Suspense fallback={<WorkshopTabsSkeleton />}>
          <WorkshopTabs swotSessions={allSwotSessions} motivatorSessions={allMotivatorSessions} />
        </Suspense>
      )}
    </main>
  );
}