import { isApiError } from '@impuestos/contracts';
import { ScanLine } from 'lucide-react';
import { setRequestLocale } from 'next-intl/server';
import { buttonClasses } from '@/components/ui/button';
import { Card } from '@/components/ui/card';
import { EmptyState } from '@/components/ui/empty-state';
import { Link, redirect } from '@/i18n/navigation';
import { getT } from '@/i18n/t';
import { serverApi } from '@/lib/api-server';

/**
 * Flow A6, the first run state. The dashboard proper (Flow C, with the position header,
 * next action strip and insight feed) replaces this body in phase 4; deadlines come from
 * the deadline engine then, not from a second copy of the rules in the browser.
 */
export default async function InicioPage({ params }: { params: Promise<{ locale: string }> }) {
  const { locale } = await params;
  setRequestLocale(locale);
  const t = await getT(locale);

  const api = await serverApi();
  const profile = await api.getProfile().catch((error: unknown) => {
    if (!isApiError(error)) throw error;
    if (error.code === 'not_found') return null;
    if (error.code === 'unauthorized') redirect({ href: '/login', locale });
    throw error;
  });

  // No profile means setup was never finished, so send them there rather than showing an
  // empty shell they cannot act on.
  if (!profile) redirect({ href: '/configuracion', locale });

  return (
    <div className="space-y-6 py-4">
      <div>
        <h1 className="text-2xl font-semibold tracking-tight">{t('home.title')}</h1>
        <p className="text-sm text-[var(--text-muted)]">{profile?.fullName}</p>
      </div>

      <Card>
        <EmptyState
          icon={<ScanLine aria-hidden className="size-8" />}
          title={t('home.firstRun.title')}
          body={t('home.firstRun.body')}
          action={
            <div className="flex flex-col items-center gap-2">
              <Link href="/escanear" className={buttonClasses({ size: 'lg' })}>
                {t('home.firstRun.scan')}
              </Link>
              <Link href="/comprobantes/nuevo" className="text-sm text-accent-700 hover:underline">
                {t('home.firstRun.manual')}
              </Link>
            </div>
          }
        />
      </Card>
    </div>
  );
}