import Link from "next/link";
import { prisma } from "@/lib/prisma";
import { formatMoney, billingLabel } from "@/lib/format";

export default async function AdminCoursesPage() {
  const courses = await prisma.course.findMany({
    orderBy: { updatedAt: "desc" },
    include: { _count: { select: { enrollments: true, modules: true } } },
  });

  return (
    <div>
      <div className="stack" style={{ justifyContent: "space-between", marginBottom: "1rem" }}>
        <div>
          <h1 className="page-title">Kurse</h1>
          <p className="muted subtitle">Alle Kurse inkl. Entwürfe</p>
        </div>
        <Link href="/admin/courses/new" className="btn btn-primary">
          Neuer Kurs
        </Link>
      </div>

      <div className="table-wrap">
        <table className="simple">
          <thead>
            <tr>
              <th>Titel</th>
              <th>Slug</th>
              <th>Status</th>
              <th>Preis</th>
              <th>Module</th>
              <th>Einschreibungen</th>
              <th />
            </tr>
          </thead>
          <tbody>
            {courses.map((c) => (
              <tr key={c.id}>
                <td>{c.title}</td>
                <td className="muted">{c.slug}</td>
                <td>{c.published ? "Live" : "Entwurf"}</td>
                <td>
                  {c.priceCents === 0 ? (
                    "kostenlos"
                  ) : (
                    <>
                      {formatMoney(c.priceCents, c.currency)}
                      {billingLabel(c.billingInterval) ? ` ${billingLabel(c.billingInterval)}` : ""}
                    </>
                  )}
                </td>
                <td>{c._count.modules}</td>
                <td>{c._count.enrollments}</td>
                <td>
                  <Link href={`/admin/courses/${c.id}/edit`}>Bearbeiten</Link>
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      </div>
    </div>
  );
}