---
import Admin from '../../../layouts/Admin.astro';
import { adminBase } from '../../../lib/auth.js';
const base = adminBase();
import { getSettings, setSetting, resolvePaymentProvider, FEATURE_KEYS, feature, abandonedCartStats, countPendingReviews, backupStatus } from '../../../lib/store.js';
import { mailerStatus } from '../../../lib/mailer.js';

const FEATURE_LABELS = {
  feature_newsletter: ['Newsletter', 'Newsletter-Popup & Anmeldung im Storefront'],
  feature_accounts: ['Kundenkonten', 'Registrierung, Login, Bestellhistorie & Adressbuch für Kund:innen; Adresse im Checkout vorbefüllt'],
  feature_reviews: ['Bewertungen', 'Sterne-Bewertungen auf Produktseiten mit Moderation (Freigabe im Admin)'],
  feature_wishlist: ['Merkliste', 'Herz-Button auf Produktkarten & Detailseite; Merkliste unter /merkliste (clientseitig)'],
  feature_abandoned_cart: ['Warenkorb-Erinnerung', 'Begonnene Checkouts speichern & per Mail erinnern (Cron /api/cron/abandoned)'],
  feature_search: ['Suche', 'Volltextsuche im Storefront-Header mit Ergebnisseite /suche'],
};

let flash = '';
if (Astro.request.method === 'POST') {
  const f = await Astro.request.formData();
  const action = String(f.get('_action') || 'general');
  if (action === 'features') {
    for (const k of FEATURE_KEYS) setSetting(k, f.get(k) === 'on' ? '1' : '0');
    flash = 'Module aktualisiert.';
  } else if (action === 'payment') {
    setSetting('payment_provider', String(f.get('payment_provider') || ''));
    flash = 'Zahlungsanbieter gespeichert.';
  } else {
    setSetting('shop_name', f.get('shop_name') || 'hd-commerce');
    setSetting('shop_tagline', f.get('shop_tagline') || '');
    setSetting('shop_email', f.get('shop_email') || '');
    setSetting('brand_accent', f.get('brand_accent') || '#b8566a');
    setSetting('brand_accent_dark', f.get('brand_accent_dark') || '#8d3f50');
    setSetting('currency', f.get('currency') || 'EUR');
    setSetting('free_shipping_cents', String(Math.round(parseFloat(String(f.get('free_shipping') || '49').replace(',', '.')) * 100) || 4900));
    flash = 'Einstellungen gespeichert.';
  }
}

const s = getSettings();
const freeShipStr = ((Number(s.free_shipping_cents) || 4900) / 100).toFixed(2).replace('.', ',');
const currencies = ['EUR', 'CHF', 'USD', 'GBP'];

const pp = resolvePaymentProvider();
const providerLabel = { mollie: 'Mollie', stripe: 'Stripe', demo: 'Demo-Fallback' }[pp.provider] || pp.provider;
const mollieSet = /^(test|live)_\w{20,}/.test((process.env.MOLLIE_API_KEY || '').trim());
const stripeSet = /^sk_(test|live)_[A-Za-z0-9]{16,}/.test((process.env.STRIPE_SECRET_KEY || '').trim());
const providerSetting = s.payment_provider || '';

const mail = mailerStatus();
const acStats = abandonedCartStats();
const pendingReviews = countPendingReviews();
const cronToken = (process.env.CRON_TOKEN || '').trim();
const backup = backupStatus();
---
<Admin title="Einstellungen" active="einstellungen" crumbs={[{ label: 'Einstellungen' }]}>
  <div class="s-stack">
    {flash && <div class="s-flash">✓ {flash}</div>}
    <form method="POST" class="s-two-col">
      <div class="s-stack">
        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:14px;font-size:15px">Shop</div>
          <div class="s-field"><label class="s-label">Shop-Name</label><input class="s-input" name="shop_name" value={s.shop_name || ''} required /></div>
          <div class="s-field"><label class="s-label">Tagline</label><input class="s-input" name="shop_tagline" value={s.shop_tagline || ''} /></div>
          <div class="s-field"><label class="s-label">Kontakt-E-Mail</label><input class="s-input" name="shop_email" type="email" value={s.shop_email || ''} /></div>
        </div>

        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:14px;font-size:15px">Branding</div>
          <div class="s-form-grid">
            <div class="s-field"><label class="s-label">Akzentfarbe</label><input class="s-input" name="brand_accent" type="color" value={s.brand_accent || '#b8566a'} /></div>
            <div class="s-field"><label class="s-label">Akzentfarbe (dunkel)</label><input class="s-input" name="brand_accent_dark" type="color" value={s.brand_accent_dark || '#8d3f50'} /></div>
          </div>
          <div class="s-help">Die Akzentfarbe wird im Storefront und im Admin als CSS-Variable injiziert.</div>
        </div>

        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:14px;font-size:15px">Verkauf</div>
          <div class="s-form-grid">
            <div class="s-field"><label class="s-label">Währung</label><select class="s-select" name="currency">{currencies.map((c) => (<option value={c} selected={s.currency === c}>{c}</option>))}</select></div>
            <div class="s-field"><label class="s-label">Gratis-Versand ab (€)</label><input class="s-input" name="free_shipping" value={freeShipStr} /></div>
          </div>
          <div class="s-help">Versandzonen & länderabhängige Preise unter „Versand".</div>
        </div>
        <button class="s-btn s-btn-primary" type="submit" style="align-self:flex-start">Einstellungen speichern</button>
      </div>

      <div class="s-stack">
        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:12px">Zahlung</div>
          <p style="margin:0 0 10px"><span class={`s-badge ${pp.provider === 'demo' ? 'amber' : 'green'}`}>Aktiv: {providerLabel}</span> <span class="s-badge gray" style="margin-left:6px">{pp.source === 'auto' ? 'Auto-Wahl' : pp.source === 'setting' ? 'manuell' : 'ENV'}</span></p>
          <div class="s-field"><label class="s-label">Anbieter</label>
            <select class="s-select" name="payment_provider" form="payForm">
              <option value="" selected={providerSetting === ''}>Automatisch (nach Keys)</option>
              <option value="mollie" selected={providerSetting === 'mollie'}>Mollie</option>
              <option value="stripe" selected={providerSetting === 'stripe'}>Stripe</option>
              <option value="demo" selected={providerSetting === 'demo'}>Demo (ohne Zahlung)</option>
            </select>
          </div>
          <ul class="s-help" style="margin:8px 0 0;padding-left:16px;line-height:1.7">
            <li>Mollie-Key (MOLLIE_API_KEY): <b>{mollieSet ? 'gesetzt' : 'fehlt'}</b></li>
            <li>Stripe-Key (STRIPE_SECRET_KEY): <b>{stripeSet ? 'gesetzt' : 'fehlt'}</b></li>
          </ul>
          {pp.provider === 'demo' && <p class="s-help" style="margin-top:8px">Ohne gültigen Key läuft der Checkout im Demo-Fallback (Bestellung ohne echte Zahlung).</p>}
        </div>

        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:12px">E-Mail-Versand</div>
          <p style="margin:0 0 8px"><span class={`s-badge ${mail.provider === 'log' ? 'amber' : (mail.configured ? 'green' : 'red')}`}>{mail.provider === 'log' ? 'Log-Fallback' : mail.provider} {mail.provider !== 'log' ? (mail.configured ? '· konfiguriert' : '· unvollständig') : ''}</span></p>
          <p class="s-help">Absender: <b>{mail.from}</b></p>
          <p class="s-help" style="margin-top:6px">Bestellbestätigungen werden bei bezahlter Bestellung versendet. Ohne Provider-ENV landet die Mail im <a href={base + '/einstellungen/email-log'}>E-Mail-Log</a>.</p>
          <p class="s-help" style="margin-top:6px">ENV: <b>MAIL_PROVIDER</b> (listmonk|smtp), <b>MAIL_FROM</b>, Listmonk-/SMTP-Variablen.</p>
        </div>

        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:12px">System</div>
          <p class="s-help">Datenbank: SQLite (<b>DB_PATH</b>). Admin-Zugang über Session-Login; Initial-Owner aus <b>ADMIN_EMAIL</b> / <b>ADMIN_PASS</b>. Admin-Pfad über <b>ADMIN_PATH</b>.</p>
        </div>

        {feature('feature_abandoned_cart') && (
          <div class="s-card s-card-pad">
            <div class="s-section-title" style="margin-bottom:12px">Warenkorb-Erinnerung</div>
            <p class="s-help" style="margin-bottom:6px">Gespeicherte Warenkörbe: <b>{acStats.total}</b> · offen <b>{acStats.open}</b> · erinnert <b>{acStats.reminded}</b> · wiederhergestellt <b>{acStats.recovered}</b></p>
            <p class="s-help">Versand-Trigger: <b>POST /api/cron/abandoned</b> (Header <code>Authorization: Bearer &lt;CRON_TOKEN&gt;</code> oder <code>?token=</code>). {cronToken ? 'CRON_TOKEN gesetzt.' : 'CRON_TOKEN noch nicht gesetzt — Endpoint bleibt gesperrt.'}</p>
          </div>
        )}

        {feature('feature_reviews') && pendingReviews > 0 && (
          <div class="s-card s-card-pad">
            <div class="s-section-title" style="margin-bottom:8px">Bewertungen</div>
            <p class="s-help"><b>{pendingReviews}</b> Bewertung(en) warten auf Freigabe — <a href={base + '/bewertungen'}>jetzt prüfen</a>.</p>
          </div>
        )}

        <div class="s-card s-card-pad">
          <div class="s-section-title" style="margin-bottom:8px">Backup (Litestream)</div>
          {backup.configured ? (
            <>
              <p class="s-help" style="margin-bottom:6px"><span class="s-badge green">aktiv</span> Streaming-Backup nach <b>{backup.target}</b>{backup.endpoint ? ` (Endpoint ${backup.endpoint})` : ''}.</p>
              {!backup.fullCredentials && <p class="s-help" style="color:#b3261e">Achtung: Zugangsdaten unvollständig — LITESTREAM_ACCESS_KEY_ID / LITESTREAM_SECRET_ACCESS_KEY prüfen.</p>}
              <p class="s-help">DB: <code>{backup.dbPath}</code>. Restore: <code>litestream restore -if-replica-exists {backup.dbPath}</code></p>
            </>
          ) : (
            <p class="s-help"><span class="s-badge gray">inaktiv</span> Kein Replica konfiguriert. Setze <b>LITESTREAM_REPLICA_URL</b> (S3/Backblaze B2) plus Zugangsdaten als ENV, um stündliche Streaming-Backups zu aktivieren (siehe README).</p>
          )}
        </div>
      </div>
    </form>

    <form method="POST" id="payForm"><input type="hidden" name="_action" value="payment" /><button class="s-btn s-btn-primary" type="submit">Zahlungsanbieter speichern</button></form>

    <div class="s-card s-card-pad">
      <div class="s-section-title" style="margin-bottom:6px;font-size:15px">Module (Feature-Flags)</div>
      <p class="s-help" style="margin:0 0 14px">Schalte einzelne Funktionen zentral an oder aus. Abgeschaltete Module verschwinden aus Storefront und Admin.</p>
      <form method="POST">
        <input type="hidden" name="_action" value="features" />
        <div class="s-form-grid" style="grid-template-columns:1fr 1fr;gap:14px">
          {FEATURE_KEYS.map((k) => (
            <label class="s-card" style="display:flex;gap:12px;align-items:flex-start;padding:14px;cursor:pointer">
              <input type="checkbox" name={k} checked={feature(k)} style="margin-top:3px;width:18px;height:18px;accent-color:var(--accent)" />
              <span><b style="display:block">{FEATURE_LABELS[k][0]}</b><span class="s-help" style="margin:0">{FEATURE_LABELS[k][1]}</span></span>
            </label>
          ))}
        </div>
        <button class="s-btn s-btn-primary" type="submit" style="margin-top:14px">Module speichern</button>
      </form>
    </div>
  </div>
</Admin>