import { notFound } from 'next/navigation';
import Link from 'next/link';
import { auth } from '@/lib/auth';
import { getWorkshop, getSessionsTabUrl } from '@/lib/workshops';
import { getYearReviewSessionById } from '@/services/year-review';
import { getUserTeams } from '@/services/teams';
import type { ResolvedCollaborator } from '@/services/auth';
import { YearReviewBoard, YearReviewLiveWrapper } from '@/components/year-review';
import { Badge, CollaboratorDisplay } from '@/components/ui';
import { EditableYearReviewTitle } from '@/components/ui';

interface YearReviewSessionPageProps {
  params: Promise<{ id: string }>;
}

export default async function YearReviewSessionPage({ params }: YearReviewSessionPageProps) {
  const { id } = await params;
  const authSession = await auth();

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

  const [session, userTeams] = await Promise.all([
    getYearReviewSessionById(id, authSession.user.id),
    getUserTeams(authSession.user.id),
  ]);

  if (!session) {
    notFound();
  }

  return (
    <main className="mx-auto max-w-7xl px-4 py-8">
      {/* Header */}
      <div className="mb-8">
        <div className="flex items-center gap-2 text-sm text-muted mb-2">
          <Link href={getSessionsTabUrl('year-review')} className="hover:text-foreground">
            {getWorkshop('year-review').label}
          </Link>
          <span>/</span>
          <span className="text-foreground">{session.title}</span>
          {!session.isOwner && (
            <Badge variant="accent" className="ml-2">
              Partagé par {session.user.name || session.user.email}
            </Badge>
          )}
        </div>

        <div className="flex items-start justify-between">
          <div>
            <EditableYearReviewTitle
              sessionId={session.id}
              initialTitle={session.title}
              canEdit={session.canEdit}
            />
            <div className="mt-2">
              <CollaboratorDisplay
                collaborator={session.resolvedParticipant as ResolvedCollaborator}
                size="lg"
                showEmail
              />
            </div>
          </div>
          <div className="flex items-center gap-3">
            <Badge variant="primary">{session.items.length} items</Badge>
            <Badge variant="default">Année {session.year}</Badge>
            <span className="text-sm text-muted">
              {new Date(session.updatedAt).toLocaleDateString('fr-FR', {
                day: 'numeric',
                month: 'long',
                year: 'numeric',
              })}
            </span>
          </div>
        </div>
      </div>

      {/* Live Wrapper + Board */}
      <YearReviewLiveWrapper
        sessionId={session.id}
        sessionTitle={session.title}
        currentUserId={authSession.user.id}
        shares={session.shares}
        isOwner={session.isOwner}
        canEdit={session.canEdit}
        userTeams={userTeams}
      >
        <YearReviewBoard sessionId={session.id} items={session.items} />
      </YearReviewLiveWrapper>
    </main>
  );
}
