import { MapPin, Plus } from 'lucide-react';

import { createCourseManagementApi } from '@kit/course-management/api';
import { getSupabaseServerClient } from '@kit/supabase/server-client';
import { Button } from '@kit/ui/button';
import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';

import { AccountNotFound } from '~/components/account-not-found';
import { CmsPageShell } from '~/components/cms-page-shell';
import { EmptyState } from '~/components/empty-state';

interface PageProps {
  params: Promise<{ account: string }>;
}

export default async function LocationsPage({ params }: PageProps) {
  const { account } = await params;
  const client = getSupabaseServerClient();

  const { data: acct } = await client
    .from('accounts')
    .select('id')
    .eq('slug', account)
    .single();

  if (!acct) return <AccountNotFound />;

  const api = createCourseManagementApi(client);
  const locations = await api.listLocations(acct.id);

  return (
    <CmsPageShell account={account} title="Orte">
      <div className="flex w-full flex-col gap-6">
        <div className="flex items-center justify-between">
          <p className="text-muted-foreground">
            Kurs- und Veranstaltungsorte verwalten
          </p>
          <Button>
            <Plus className="mr-2 h-4 w-4" />
            Neuer Ort
          </Button>
        </div>

        {locations.length === 0 ? (
          <EmptyState
            icon={<MapPin className="h-8 w-8" />}
            title="Keine Orte vorhanden"
            description="Fügen Sie Ihren ersten Veranstaltungsort hinzu."
            actionLabel="Neuer Ort"
          />
        ) : (
          <Card>
            <CardHeader>
              <CardTitle>Alle Orte ({locations.length})</CardTitle>
            </CardHeader>
            <CardContent>
              <div className="rounded-md border">
                <table className="w-full text-sm">
                  <thead>
                    <tr className="bg-muted/50 border-b">
                      <th className="p-3 text-left font-medium">Name</th>
                      <th className="p-3 text-left font-medium">Adresse</th>
                      <th className="p-3 text-left font-medium">Raum</th>
                      <th className="p-3 text-right font-medium">Kapazität</th>
                    </tr>
                  </thead>
                  <tbody>
                    {locations.map((loc: Record<string, unknown>) => (
                      <tr
                        key={String(loc.id)}
                        className="hover:bg-muted/30 border-b"
                      >
                        <td className="p-3 font-medium">{String(loc.name)}</td>
                        <td className="p-3">
                          {[loc.street, loc.postal_code, loc.city]
                            .filter(Boolean)
                            .map(String)
                            .join(', ') || '—'}
                        </td>
                        <td className="p-3">{String(loc.room ?? '—')}</td>
                        <td className="p-3 text-right">
                          {String(loc.capacity ?? '—')}
                        </td>
                      </tr>
                    ))}
                  </tbody>
                </table>
              </div>
            </CardContent>
          </Card>
        )}
      </div>
    </CmsPageShell>
  );
}