{% extends "layout.html" %}
{% block body %}
<div class="page-head">
  <div>
    <h1>Einstellungen</h1>
    <p class="tiny">Drucker, Benachrichtigungen und Energiekosten.</p>
  </div>
  <p class="settings-save-hint" id="settings-autosave-hint" aria-live="polite"></p>
</div>

<div class="settings-layout">
<nav class="settings-nav" aria-label="Abschnitte">
  <a href="#sec-browser"><svg class="ico"><use href="#i-monitor"/></svg>Browser</a>
  <a href="#sec-auto"><svg class="ico"><use href="#i-zap"/></svg>Automatik</a>
  <a href="#sec-slice" class="admin-only"><svg class="ico"><use href="#i-folder"/></svg>Slice</a>
  <a href="#sec-fqdn" class="admin-only"><svg class="ico"><use href="#i-link"/></svg>Adresse</a>
  <a href="#sec-drucker" class="admin-only"><svg class="ico"><use href="#i-printer"/></svg>Drucker</a>
  <a href="#sec-telegram" class="admin-only"><svg class="ico"><use href="#i-message"/></svg>Telegram</a>
  <a href="#sec-ntfy" class="admin-only"><svg class="ico"><use href="#i-bell"/></svg>ntfy</a>
  <a href="#sec-backup" class="admin-only"><svg class="ico"><use href="#i-hard-drive"/></svg>Backup</a>
  <a href="#sec-energie" class="admin-only"><svg class="ico"><use href="#i-zap"/></svg>Energie</a>
  <a href="#sec-users" class="admin-only"><svg class="ico"><use href="#i-users"/></svg>Benutzer</a>
  <a href="#sec-tokens"><svg class="ico"><use href="#i-key"/></svg>API-Tokens</a>
</nav>
<div class="settings-main">

<section class="card" id="sec-browser">
  <h2>Dieser Browser</h2>
  <p class="hint">Nur auf diesem Gerät / in diesem Browser. Anderer PC oder Inkognito bleibt unberührt.</p>
  <div class="grid-2 narrow-fields">
    <div class="field">
      <label for="display-mode">Anzeige</label>
      <select id="display-mode">
        <option value="desktop">Desktop</option>
        <option value="shelf">Regal (Touch)</option>
      </select>
    </div>
    <div class="field">
      <label for="theme-mode">Darstellung</label>
      <select id="theme-mode">
        <option value="dark">Dunkel</option>
        <option value="light">Hell</option>
        <option value="system">System</option>
      </select>
    </div>
    <div class="field">
      <label for="tz-mode">Zeitzone</label>
      <select id="tz-mode">
        <option value="auto">Browser (automatisch)</option>
        <option value="Europe/Berlin">Europe/Berlin</option>
        <option value="Europe/Vienna">Europe/Vienna</option>
        <option value="Europe/Zurich">Europe/Zurich</option>
        <option value="UTC">UTC</option>
      </select>
    </div>
    <div class="field">
      <label for="camera-mode">Kamera</label>
      <select id="camera-mode">
        <option value="snapshot">Snapshot (schonend)</option>
        <option value="stream">Stream (flüssig)</option>
      </select>
    </div>
  </div>
  <p class="hint">Regal: größere Bedienelemente — Shortcut <code>?shelf=1</code>. Darstellung, Zeitzone und Kamera nur dieser Browser. Stream hält eine Verbindung je sichtbarer Kamera.</p>
  <p id="display-note" class="ok" hidden>Gespeichert — gilt sofort.</p>
</section>

<section class="card" id="sec-auto">
  <h2>Automatik</h2>
  <label class="check"><input type="checkbox" id="auto-queue"> Warteschlange „wenn frei“ und Abläufe automatisch starten</label>
  <label class="check"><input type="checkbox" id="auto-retry"> Automatisch einmal nochmal versuchen bei Fehler</label>
  <p class="hint">Aus = keine neuen Starts. Laufende Abläufe und gesperrte Drucker bleiben unberührt. Änderungen speichern sich selbst.</p>
  <div class="actions"><button type="button" id="auto-save" hidden>Speichern</button></div>
  <p id="auto-note" class="settings-save-hint"></p>
</section>

<section class="card admin-only" id="sec-slice">
  <h2>Slice-Ordner</h2>
  <p class="hint">Ordner, den Grotti für die Bibliothek beobachtet (Orca-Export, „Ordner neu lesen“). Leer = nur manueller Upload. Standard: Ordner <code>slice</code> im Grotti-Repo.</p>
  <div class="field" style="max-width:36rem">
    <label for="watch-dir">Pfad</label>
    <input id="watch-dir" type="text" autocomplete="off" placeholder="D:\Projekte\Grotti\slice" spellcheck="false">
  </div>
  <div class="actions">
    <button type="button" id="watch-save" hidden>Speichern</button>
    <button type="button" class="ghost" id="watch-default">Standardordner</button>
  </div>
  <p id="watch-note"></p>
</section>

<section class="card admin-only" id="sec-fqdn">
  <h2>Öffentliche Adresse</h2>
  <p class="hint">FQDN bzw. Basis-URL für QR-Codes auf Spulen-Etiketten. Leer = Host der aktuellen Anfrage (z.&nbsp;B. localhost).</p>
  <div class="field" style="max-width:28rem">
    <label for="fqdn">FQDN</label>
    <input id="fqdn" placeholder="https://grotti.example.de oder grotti.lan" autocomplete="off">
  </div>
  <p class="hint">Ohne Schema wird <code>https://</code> ergänzt. Mit Port: <code>http://10.10.1.5:8770</code>.</p>
  <div class="actions"><button type="button" id="fqdn-save" hidden>Speichern</button></div>
  <p id="fqdn-note"></p>
</section>

<section class="card admin-only" id="sec-drucker">
  <h2>Drucker</h2>
  <p class="hint">Gesperrt = kein neuer „wenn frei“-Start. Zeitfenster begrenzt Starts (z. B. Nachtstrom). Tippen öffnet den Dialog.</p>
  <div id="printer-list" class="printer-edit-cards"></div>
  <form id="printer-add" class="grid-2 section-gap">
    <div class="field">
      <label for="add-name">Name</label>
      <input id="add-name" required placeholder="z. B. Kobra 3 Werkstatt">
    </div>
    <div class="field">
      <label for="add-host">Host / IP</label>
      <input id="add-host" required placeholder="10.10.1.60">
    </div>
    <div class="field">
      <label for="add-family">Familie</label>
      <select id="add-family">
        <option value="">automatisch</option>
        <option value="kobra_3">Kobra 3</option>
        <option value="kobra_s1">Kobra S1</option>
      </select>
    </div>
    <div class="actions" style="align-self:end"><button type="submit">Hinzufügen</button></div>
  </form>
  <p id="printer-note"></p>
</section>

<section class="card admin-only" id="sec-telegram">
  <h2>Telegram</h2>
  <label class="check"><input type="checkbox" id="tg-enabled"> Benachrichtigungen aktiv</label>
  <div class="grid-2" style="margin-top:0.75rem">
    <div class="field">
      <label for="tg-token">Bot-Token</label>
      <input id="tg-token" type="password" autocomplete="off" placeholder="123456:ABC…">
    </div>
    <div class="field">
      <label for="tg-chat">Chat-ID</label>
      <input id="tg-chat" placeholder="z. B. -100… oder User-ID">
    </div>
  </div>
  <div class="grid-2" style="margin-top:0.75rem">
    <label class="check"><input type="checkbox" id="al-fertig"> Fertig</label>
    <label class="check"><input type="checkbox" id="al-fehler"> Fehler und Abbrüche</label>
    <label class="check"><input type="checkbox" id="al-offline"> Offline</label>
    <label class="check"><input type="checkbox" id="al-queue"> Queue (Fehler, Ablauf gestoppt)</label>
    <label class="check"><input type="checkbox" id="al-ablauf"> Ablauf-Schritte</label>
    <label class="check"><input type="checkbox" id="al-start"> Druckstart und Pause</label>
  </div>
  <p class="hint">Ereignisse stehen immer unter <a href="/aktivitaet">Aktivität</a>. Die Häkchen steuern nur Telegram.</p>
  <div class="actions">
    <button type="button" id="tg-save" hidden>Speichern</button>
    <button type="button" class="ghost" id="tg-test">Test senden</button>
  </div>
  <p id="tg-note"></p>
</section>

<section class="card admin-only" id="sec-ntfy">
  <h2>ntfy</h2>
  <label class="check"><input type="checkbox" id="ntfy-enabled"> Push über ntfy</label>
  <div class="grid-2" style="margin-top:0.75rem">
    <div class="field">
      <label for="ntfy-server">Server</label>
      <input id="ntfy-server" placeholder="https://ntfy.sh" autocomplete="off">
    </div>
    <div class="field">
      <label for="ntfy-topic">Topic</label>
      <input id="ntfy-topic" placeholder="grotti-werkstatt" autocomplete="off">
    </div>
    <div class="field" style="grid-column:1/-1">
      <label for="ntfy-token">Token (optional)</label>
      <input id="ntfy-token" type="password" autocomplete="off" placeholder="Bearer-Token">
    </div>
  </div>
  <p class="hint">Gleiche Meldungen wie Telegram — unabhängig abschaltbar. Push in der ntfy-App auf dem Handy.</p>
  <div class="actions">
    <button type="button" id="ntfy-save" hidden>Speichern</button>
    <button type="button" class="ghost" id="ntfy-test">Test senden</button>
  </div>
  <p id="ntfy-note"></p>
</section>

<section class="card admin-only" id="sec-backup">
  <h2>Backup</h2>
  <p class="hint">PostgreSQL-Dump und Datenordner (ohne toolpath/ und alte Backups).</p>
  <div class="actions">
    <button type="button" id="backup-now">Backup jetzt</button>
  </div>
  <ul id="backup-list" class="tiny"></ul>
  <p id="backup-note"></p>
</section>

<section class="card admin-only" id="sec-energie">
  <h2>Energie</h2>
  <p class="hint">Kosten im Protokoll. Mit Düse-/Bett-Watt und ED-Proben schätzt Grotti den Verbrauch; sonst Dauer × Grundlast. Filament braucht eine Spule.</p>
  <div class="grid-2">
    <div class="field"><label for="en-watts">Grundlast W</label><input id="en-watts" type="number" step="1" title="Elektronik/Motion — nicht die Heizer"></div>
    <div class="field"><label for="en-kwh">€ / kWh</label><input id="en-kwh" type="number" step="0.01"></div>
    <div class="field"><label for="en-nozzle">Düse W</label><input id="en-nozzle" type="number" step="1" placeholder="z. B. 60"></div>
    <div class="field"><label for="en-bed">Bett W</label><input id="en-bed" type="number" step="1" placeholder="z. B. 220"></div>
    <div class="field"><label for="en-dryer">Trockner W</label><input id="en-dryer" type="number" step="1"></div>
    <div class="field"><label for="en-dryh">Trockenstunden</label><input id="en-dryh" type="number" step="0.1"></div>
    <div class="field"><label for="en-waste">Ausschuss %</label><input id="en-waste" type="number" step="0.1"></div>
    <div class="field"><label for="en-util">Auslastung %</label><input id="en-util" type="number" step="1"></div>
  </div>
  <h3 class="section-gap">HT / NT-Tarif</h3>
  <label class="check"><input type="checkbox" id="en-tariff"> Unterschiedliche Preise für Tag und Nacht</label>
  <div class="grid-2" id="en-tariff-fields" hidden>
    <div class="field"><label for="en-ht">HT € / kWh</label><input id="en-ht" type="number" step="0.01"></div>
    <div class="field"><label for="en-nt">NT € / kWh</label><input id="en-nt" type="number" step="0.01"></div>
    <div class="field"><label for="en-nt-from">NT ab</label><input id="en-nt-from" type="time" value="22:00"></div>
    <div class="field"><label for="en-nt-to">NT bis</label><input id="en-nt-to" type="time" value="06:00"></div>
  </div>
  <p class="hint">Grundlast = Elektronik/Motion. Düse/Bett 0 = nur pauschal. Mit HT/NT gewichtet Grotti die Stromkosten nach Uhrzeit.</p>
  <p id="en-ed-hint" class="hint" hidden></p>
  <div class="actions"><button type="button" id="en-save" hidden>Speichern</button></div>
  <p id="en-note"></p>
</section>

<section class="card admin-only" id="sec-users">
  <h2>Benutzer</h2>
  <p class="hint">Rollen: <strong>Admin</strong> (alles) und <strong>Operator</strong> (Drucker, Queue, Material — keine Benutzerverwaltung).</p>
  <div class="table-wrap">
    <table>
      <thead><tr><th>Name</th><th>Rolle</th><th>Aktiv</th><th></th></tr></thead>
      <tbody id="user-rows"></tbody>
    </table>
  </div>
  <form id="user-add" class="grid-2" style="margin-top:1rem">
    <div class="field"><label for="user-name">Benutzer</label><input id="user-name" required minlength="2" autocomplete="off"></div>
    <div class="field"><label for="user-pass">Passwort</label><input id="user-pass" type="password" required minlength="8" autocomplete="new-password"></div>
    <div class="field">
      <label for="user-role">Rolle</label>
      <select id="user-role"><option value="operator">Operator</option><option value="admin">Admin</option></select>
    </div>
    <div class="actions" style="align-self:end"><button type="submit">Anlegen</button></div>
  </form>
  <p id="user-note"></p>
</section>

<section class="card" id="sec-tokens">
  <h2>API-Tokens</h2>
  <p class="hint">Für App, Home-Automation oder MCP. Klartext erscheint nur einmal bei der Erstellung. Authorization: <code>Bearer grt_…</code></p>
  <div class="table-wrap">
    <table>
      <thead><tr><th>Name</th><th>Prefix</th><th>Rolle</th><th></th></tr></thead>
      <tbody id="token-rows"></tbody>
    </table>
  </div>
  <form id="token-add" class="grid-2" style="margin-top:1rem">
    <div class="field"><label for="token-name">Bezeichnung</label><input id="token-name" placeholder="Home Assistant" required></div>
    <div class="field">
      <label for="token-role">Rolle</label>
      <select id="token-role"><option value="operator">Operator</option><option value="admin">Admin</option></select>
    </div>
    <div class="actions" style="align-self:end"><button type="submit">Token erzeugen</button></div>
  </form>
  <p id="token-note"></p>
  <p class="ok" id="token-once" hidden></p>
  <div id="token-qr-wrap" hidden style="margin-top:0.75rem">
    <p class="tiny">App-Kopplung — QR mit Server-URL und Token (nur jetzt):</p>
    <canvas id="token-qr" width="180" height="180" aria-label="QR-Code"></canvas>
  </div>
  <p class="hint" id="legacy-token-hint" hidden>In der Config steht noch ein Shared-<code>token</code> — der wird seit 3.1 nicht mehr akzeptiert. Bitte leeren und API-Tokens (<code>grt_…</code>) nutzen.</p>
</section>

</div>
</div>
<dialog id="printer-edit-dlg" class="abraeumen-dlg">
  <form method="dialog" id="printer-edit-form" class="abraeumen-form">
    <h2 id="printer-edit-title">Drucker</h2>
    <input type="hidden" id="pe-id">
    <div class="grid-2">
      <div class="field"><label for="pe-name">Name</label><input id="pe-name" required></div>
      <div class="field"><label for="pe-host">Host / IP</label><input id="pe-host" required></div>
      <div class="field"><label for="pe-family">Familie</label>
        <select id="pe-family">
          <option value="kobra_3">Kobra 3</option>
          <option value="kobra_s1">Kobra S1</option>
          <option value="">—</option>
        </select>
      </div>
      <div class="field"><label class="check" style="margin-top:1.4rem"><input type="checkbox" id="pe-locked"> Gesperrt</label></div>
    </div>
    <label class="check"><input type="checkbox" id="pe-win-on"> Nur in Zeitfenster starten</label>
    <div class="grid-2" id="pe-win-fields">
      <div class="field"><label for="pe-win-from">Von</label><input type="time" id="pe-win-from" value="22:00"></div>
      <div class="field"><label for="pe-win-to">Bis</label><input type="time" id="pe-win-to" value="06:00"></div>
      <div class="field"><label for="pe-win-max">Max. Stunden</label><input type="number" id="pe-win-max" min="0" step="0.5" placeholder="leer = egal"></div>
    </div>
    <div class="actions">
      <button type="submit" value="ok" class="btn-primary">Speichern</button>
      <button type="button" class="ghost" id="pe-cancel">Abbrechen</button>
      <button type="button" class="btn-danger" id="pe-delete">Entfernen</button>
    </div>
  </form>
</dialog>
{% endblock %}
{% block script %}
<script src="{{ url_for('static', filename='qrcode.min.js') }}?v=1"></script>
<script>
const families = { kobra_3: "Kobra 3", kobra_s1: "Kobra S1", "": "—" };
const isAdmin = document.querySelector('meta[name="user-role"]')?.content === "admin";
document.querySelectorAll(".admin-only").forEach((el) => { el.hidden = !isAdmin; });
if (!isAdmin) {
  const roleSel = document.getElementById("token-role");
  if (roleSel) {
    [...roleSel.options].forEach((opt) => { if (opt.value === "admin") opt.remove(); });
  }
}

/* showNote aus api.js: Inline-Hinweis + Toast */

function windowFrom(row) {
  const sw = row.start_window || {};
  const allowed = Array.isArray(sw.allowed) ? sw.allowed : [];
  const first = allowed[0] || {};
  return {
    enabled: allowed.length > 0,
    from: first.from || "22:00",
    to: first.to || "06:00",
    maxHours: sw.max_hours_overnight || "",
  };
}

let printerRowsCache = [];

function openPrinterDialog(row) {
  const dlg = document.getElementById("printer-edit-dlg");
  const win = windowFrom(row);
  document.getElementById("printer-edit-title").textContent = row.name || "Drucker";
  document.getElementById("pe-id").value = row.id;
  document.getElementById("pe-name").value = row.name || "";
  document.getElementById("pe-host").value = row.host || "";
  document.getElementById("pe-family").value = row.family || "";
  document.getElementById("pe-locked").checked = !!row.locked;
  document.getElementById("pe-win-on").checked = win.enabled;
  document.getElementById("pe-win-from").value = win.from;
  document.getElementById("pe-win-to").value = win.to;
  document.getElementById("pe-win-max").value = win.maxHours;
  document.getElementById("pe-win-fields").hidden = !win.enabled;
  dlg.showModal();
}

function renderPrinters(rows) {
  printerRowsCache = rows || [];
  const root = document.getElementById("printer-list");
  root.innerHTML = "";
  if (!rows.length) {
    root.innerHTML = '<div class="empty-state"><svg class="ico"><use href="#i-printer"/></svg><p>Keine Drucker.</p></div>';
    return;
  }
  rows.forEach((row) => {
    const win = windowFrom(row);
    const card = document.createElement("div");
    card.className = "printer-edit-card";
    card.innerHTML = `
      <div class="grow">
        <strong></strong>
        <div class="tiny"></div>
      </div>
      <button type="button" class="ghost">Bearbeiten</button>`;
    card.querySelector("strong").textContent = row.name || row.host;
    card.querySelector(".tiny").textContent = [
      row.host,
      families[row.family] || row.family || "",
      row.locked ? "gesperrt" : "",
      win.enabled ? ("Fenster " + win.from + "–" + win.to) : "",
    ].filter(Boolean).join(" · ");
    card.querySelector("button").addEventListener("click", () => openPrinterDialog(row));
    card.addEventListener("dblclick", () => openPrinterDialog(row));
    root.appendChild(card);
  });
}

function renderUsers(rows) {
  const body = document.getElementById("user-rows");
  if (!body) return;
  body.innerHTML = "";
  rows.forEach((row) => {
    const tr = document.createElement("tr");
    tr.innerHTML = `<td>${escapeHtml(row.username)}</td>
      <td><select data-f="role"><option value="operator">Operator</option><option value="admin">Admin</option></select></td>
      <td><label class="check"><input type="checkbox" data-f="active"></label></td><td></td>`;
    tr.querySelector('[data-f="role"]').value = row.role;
    tr.querySelector('[data-f="active"]').checked = !!row.active;
    const save = document.createElement("button");
    save.type = "button";
    save.textContent = "Speichern";
    save.addEventListener("click", async () => {
      try {
        await api("/users/" + row.id, {
          method: "PATCH",
          json: {
            role: tr.querySelector('[data-f="role"]').value,
            active: tr.querySelector('[data-f="active"]').checked,
          },
        });
        showNote("user-note", null, "Benutzer gespeichert.");
        loadUsers();
      } catch (error) {
        showNote("user-note", error);
      }
    });
    const del = document.createElement("button");
    del.type = "button";
    del.className = "ghost warn";
    del.textContent = "Löschen";
    del.addEventListener("click", () => {
      armButton(del, "Wirklich löschen?", async () => {
        try {
          await api("/users/" + row.id, { method: "DELETE" });
          showNote("user-note", null, "Benutzer gelöscht.");
          loadUsers();
        } catch (error) {
          showNote("user-note", error);
        }
      });
    });
    tr.children[3].appendChild(save);
    tr.children[3].appendChild(del);
    body.appendChild(tr);
  });
}

function renderTokens(rows) {
  const body = document.getElementById("token-rows");
  body.innerHTML = "";
  if (!rows.length) {
    body.innerHTML = '<tr><td class="empty" colspan="4">Keine Tokens.</td></tr>';
    return;
  }
  rows.forEach((row) => {
    const tr = document.createElement("tr");
    tr.innerHTML = `<td>${escapeHtml(row.name)}${row.username ? ' <span class="tiny">(' + escapeHtml(row.username) + ")</span>" : ""}</td>
      <td><code>${escapeHtml(row.prefix)}…</code></td>
      <td>${escapeHtml(row.role)}</td><td></td>`;
    const rev = document.createElement("button");
    rev.type = "button";
    rev.className = "ghost warn";
    rev.textContent = "Widerrufen";
    rev.addEventListener("click", () => {
      armButton(rev, "Widerrufen?", async () => {
        try {
          await api("/tokens/" + row.id, { method: "DELETE" });
          showNote("token-note", null, "Token widerrufen.");
          loadTokens();
        } catch (error) {
          showNote("token-note", error);
        }
      });
    });
    tr.children[3].appendChild(rev);
    body.appendChild(tr);
  });
}

async function loadUsers() {
  if (!isAdmin) return;
  renderUsers(await api("/users"));
}

async function loadTokens() {
  renderTokens(await api("/tokens" + (isAdmin ? "?all=1" : "")));
}

async function load() {
  const [settings, printers] = await Promise.all([
    api("/einstellungen"),
    api("/drucker?live=0"),
  ]);
  if (isAdmin) renderPrinters(printers);
  document.getElementById("auto-queue").checked = settings.auto_queue !== false;
  const ar = document.getElementById("auto-retry");
  if (ar) ar.checked = settings.auto_retry !== false;
  const watchDir = document.getElementById("watch-dir");
  if (watchDir) {
    watchDir.value = settings.watch_dir || "";
    watchDir.dataset.default = settings.watch_dir_default || "";
  }
  const fqdn = document.getElementById("fqdn");
  if (fqdn) fqdn.value = settings.fqdn || "";
  const tgEnabled = document.getElementById("tg-enabled");
  if (tgEnabled) {
    tgEnabled.checked = !!(settings.telegram && settings.telegram.enabled);
    document.getElementById("tg-token").value = "";
    document.getElementById("tg-token").placeholder = settings.telegram && settings.telegram.bot_token_set
      ? ("gesetzt: " + (settings.telegram.bot_token || "••••"))
      : "Bot-Token";
    document.getElementById("tg-chat").value = (settings.telegram && settings.telegram.chat_id) || "";
    const alerts = settings.alerts || {};
    document.getElementById("al-fertig").checked = alerts.fertig !== false;
    document.getElementById("al-fehler").checked = alerts.fehler !== false;
    document.getElementById("al-offline").checked = alerts.offline !== false;
    document.getElementById("al-queue").checked = alerts.queue !== false;
    document.getElementById("al-ablauf").checked = !!alerts.ablauf;
    document.getElementById("al-start").checked = !!alerts.start;
    const ntfy = settings.ntfy || {};
    document.getElementById("ntfy-enabled").checked = !!ntfy.enabled;
    document.getElementById("ntfy-server").value = ntfy.server || "https://ntfy.sh";
    document.getElementById("ntfy-topic").value = ntfy.topic || "";
    document.getElementById("ntfy-token").value = "";
    document.getElementById("ntfy-token").placeholder = ntfy.token_set
      ? ("gesetzt: " + (ntfy.token || "••••"))
      : "optional";
    const en = settings.energy || {};
    document.getElementById("en-watts").value = en.watts ?? 40;
    document.getElementById("en-nozzle").value = en.nozzle_watts ?? 60;
    document.getElementById("en-bed").value = en.bed_watts ?? 220;
    document.getElementById("en-kwh").value = en.euro_per_kwh ?? 0.35;
    document.getElementById("en-dryer").value = en.dryer_watts ?? 0;
    document.getElementById("en-dryh").value = en.dry_hours ?? 0;
    document.getElementById("en-waste").value = en.waste_percent ?? 0;
    document.getElementById("en-util").value = en.utilization ?? 50;
    const tariff = en.tariff || null;
    document.getElementById("en-tariff").checked = !!tariff;
    document.getElementById("en-tariff-fields").hidden = !tariff;
    document.getElementById("en-ht").value = (tariff && tariff.ht_euro) ?? (en.euro_per_kwh ?? 0.35);
    document.getElementById("en-nt").value = (tariff && tariff.nt_euro) ?? (en.euro_per_kwh ?? 0.35);
    document.getElementById("en-nt-from").value = (tariff && tariff.nt_from) || "22:00";
    document.getElementById("en-nt-to").value = (tariff && tariff.nt_to) || "06:00";
    updateEnergyEdHint();
  }
  const legacy = document.getElementById("legacy-token-hint");
  if (legacy) legacy.hidden = !settings.legacy_token_set;
  await Promise.all([loadUsers(), loadTokens(), loadBackups()]);
}

document.getElementById("user-add")?.addEventListener("submit", async (event) => {
  event.preventDefault();
  try {
    await api("/users", {
      method: "POST",
      json: {
        username: document.getElementById("user-name").value,
        password: document.getElementById("user-pass").value,
        role: document.getElementById("user-role").value,
      },
    });
    document.getElementById("user-add").reset();
    showNote("user-note", null, "Benutzer angelegt.");
    loadUsers();
  } catch (error) {
    showNote("user-note", error);
  }
});

document.getElementById("token-add").addEventListener("submit", async (event) => {
  event.preventDefault();
  const once = document.getElementById("token-once");
  const qrWrap = document.getElementById("token-qr-wrap");
  once.hidden = true;
  if (qrWrap) qrWrap.hidden = true;
  try {
    const out = await api("/tokens", {
      method: "POST",
      json: {
        name: document.getElementById("token-name").value,
        role: document.getElementById("token-role").value,
      },
    });
    document.getElementById("token-add").reset();
    once.hidden = false;
    once.textContent = "Token (nur jetzt sichtbar): " + out.token;
    showNote("token-note", null, "Token erzeugt — jetzt kopieren oder QR scannen.");
    loadTokens();
    if (out.token && window.QRCode && qrWrap) {
      const canvas = document.getElementById("token-qr");
      const payload = JSON.stringify({
        url: location.origin,
        token: out.token,
        name: "Grotti",
      });
      try {
        QRCode.toCanvas(canvas, payload, { width: 180, margin: 1, errorCorrectionLevel: "M" });
        qrWrap.hidden = false;
      } catch (error) { /* QR optional */ }
    }
  } catch (error) {
    showNote("token-note", error);
  }
});

document.getElementById("auto-save").addEventListener("click", async () => {
  try {
    await api("/einstellungen", {
      method: "PATCH",
      json: {
        auto_queue: document.getElementById("auto-queue").checked,
        auto_retry: document.getElementById("auto-retry")?.checked !== false,
      },
    });
    showNote(
      "auto-note",
      null,
      document.getElementById("auto-queue").checked ? "Automatik an." : "Automatik aus — nichts Neues startet."
    );
  } catch (error) {
    showNote("auto-note", error);
  }
});

document.getElementById("watch-default")?.addEventListener("click", () => {
  const input = document.getElementById("watch-dir");
  if (input) input.value = input.dataset.default || "";
});

document.getElementById("watch-save")?.addEventListener("click", async () => {
  try {
    const out = await api("/einstellungen", {
      method: "PATCH",
      json: { watch_dir: document.getElementById("watch-dir").value.trim() },
    });
    document.getElementById("watch-dir").value = out.watch_dir || "";
    showNote(
      "watch-note",
      null,
      out.watch_dir
        ? "Slice-Ordner aktiv: " + out.watch_dir
        : "Kein Slice-Ordner — nur manueller Upload."
    );
  } catch (error) {
    showNote("watch-note", error);
  }
});

document.getElementById("fqdn-save").addEventListener("click", async () => {
  try {
    const out = await api("/einstellungen", {
      method: "PATCH",
      json: { fqdn: document.getElementById("fqdn").value.trim() },
    });
    document.getElementById("fqdn").value = out.fqdn || "";
    showNote(
      "fqdn-note",
      null,
      out.fqdn
        ? "Gespeichert — Etiketten-QR: " + out.fqdn + "/material?spool=…"
        : "Leer — Etiketten nutzen den Request-Host."
    );
  } catch (error) {
    showNote("fqdn-note", error);
  }
});

document.getElementById("printer-add").addEventListener("submit", async (event) => {
  event.preventDefault();
  try {
    await api("/drucker", {
      method: "POST",
      json: {
        name: document.getElementById("add-name").value,
        host: document.getElementById("add-host").value,
        family: document.getElementById("add-family").value,
      },
    });
    document.getElementById("printer-add").reset();
    showNote("printer-note", null, "Drucker angelegt.");
    load();
  } catch (error) {
    showNote("printer-note", error);
  }
});

document.getElementById("tg-save").addEventListener("click", async () => {
  const token = document.getElementById("tg-token").value.trim();
  const payload = {
    telegram: {
      enabled: document.getElementById("tg-enabled").checked,
      chat_id: document.getElementById("tg-chat").value.trim(),
    },
    alerts: {
      fertig: document.getElementById("al-fertig").checked,
      fehler: document.getElementById("al-fehler").checked,
      offline: document.getElementById("al-offline").checked,
      queue: document.getElementById("al-queue").checked,
      ablauf: document.getElementById("al-ablauf").checked,
      start: document.getElementById("al-start").checked,
    },
  };
  if (token) payload.telegram.bot_token = token;
  try {
    await api("/einstellungen", { method: "PATCH", json: payload });
    showNote("tg-note", null, "Telegram gespeichert.");
    load();
  } catch (error) {
    showNote("tg-note", error);
  }
});

document.getElementById("ntfy-save")?.addEventListener("click", async () => {
  const token = document.getElementById("ntfy-token").value.trim();
  const payload = {
    ntfy: {
      enabled: document.getElementById("ntfy-enabled").checked,
      server: document.getElementById("ntfy-server").value.trim() || "https://ntfy.sh",
      topic: document.getElementById("ntfy-topic").value.trim(),
    },
  };
  if (token) payload.ntfy.token = token;
  try {
    await api("/einstellungen", { method: "PATCH", json: payload });
    showNote("ntfy-note", null, "ntfy gespeichert.");
    load();
  } catch (error) {
    showNote("ntfy-note", error);
  }
});

async function loadBackups() {
  const list = document.getElementById("backup-list");
  if (!list) return;
  try {
    const out = await api("/backup");
    list.innerHTML = (out.items || []).slice(0, 8).map((item) => {
      const mb = ((item.size || 0) / (1024 * 1024)).toLocaleString("de-DE", { maximumFractionDigits: 1 });
      return `<li><a href="/backup/${encodeURIComponent(item.name)}" download>${escapeHtml(item.name)}</a> · ${mb} MB</li>`;
    }).join("") || "<li>Noch kein Backup.</li>";
  } catch (error) {
    list.innerHTML = "<li>Liste nicht verfügbar.</li>";
  }
}

document.getElementById("backup-now")?.addEventListener("click", async () => {
  try {
    const out = await api("/backup", { method: "POST", json: {} });
    showNote("backup-note", null, "Backup erstellt: " + (out.name || ""));
    loadBackups();
  } catch (error) {
    showNote("backup-note", error);
  }
});

document.getElementById("tg-test").addEventListener("click", async () => {
  try {
    await api("/telegram/test", { method: "POST", json: {} });
    showNote("tg-note", null, "Testnachricht gesendet.");
  } catch (error) {
    showNote("tg-note", error);
  }
});

document.getElementById("ntfy-test")?.addEventListener("click", async () => {
  try {
    await api("/ntfy/test", { method: "POST", json: {} });
    showNote("ntfy-note", null, "Testnachricht gesendet.");
  } catch (error) {
    showNote("ntfy-note", error);
  }
});

document.getElementById("en-tariff")?.addEventListener("change", (event) => {
  document.getElementById("en-tariff-fields").hidden = !event.target.checked;
});

function updateEnergyEdHint() {
  const hint = document.getElementById("en-ed-hint");
  if (!hint) return;
  const nozzle = Number(document.getElementById("en-nozzle").value) || 0;
  const bed = Number(document.getElementById("en-bed").value) || 0;
  if (nozzle > 0 && bed > 0) {
    hint.hidden = true;
    hint.textContent = "";
    return;
  }
  hint.hidden = false;
  hint.textContent = "Düse oder Bett noch 0 — Bericht bleibt „pauschal“. Für ED z. B. Düse 60 W und Bett 220 W setzen.";
}

["en-nozzle", "en-bed"].forEach((id) => {
  const node = document.getElementById(id);
  if (node) node.addEventListener("input", updateEnergyEdHint);
});

document.getElementById("en-save").addEventListener("click", async () => {
  try {
    const nozzle = Number(document.getElementById("en-nozzle").value) || 0;
    const bed = Number(document.getElementById("en-bed").value) || 0;
    const energy = {
      watts: Number(document.getElementById("en-watts").value),
      nozzle_watts: nozzle,
      bed_watts: bed,
      euro_per_kwh: Number(document.getElementById("en-kwh").value),
      dryer_watts: Number(document.getElementById("en-dryer").value),
      dry_hours: Number(document.getElementById("en-dryh").value),
      waste_percent: Number(document.getElementById("en-waste").value),
      utilization: Number(document.getElementById("en-util").value),
    };
    if (document.getElementById("en-tariff").checked) {
      energy.tariff = {
        ht_euro: Number(document.getElementById("en-ht").value),
        nt_euro: Number(document.getElementById("en-nt").value),
        nt_from: document.getElementById("en-nt-from").value || "22:00",
        nt_to: document.getElementById("en-nt-to").value || "06:00",
      };
    }
    await api("/einstellungen", { method: "PATCH", json: { energy } });
    updateEnergyEdHint();
    if (nozzle <= 0 || bed <= 0) {
      const note = document.getElementById("en-note");
      if (note) {
        note.textContent = "Gespeichert. Düse/Bett 0 → nur pauschal. Für ED z. B. 60 / 220 W setzen.";
        note.className = "msg";
      }
      toast("Energie gespeichert — ED noch aus (Düse/Bett 0).", "bad");
    } else {
      showNote("en-note", null, "Energie gespeichert.");
    }
  } catch (error) {
    showNote("en-note", error);
  }
});

function flashDisplayNote() {
  const note = document.getElementById("display-note");
  if (!note) return;
  note.hidden = false;
  setTimeout(() => { note.hidden = true; }, 2500);
}

(function initDisplayMode() {
  const sel = document.getElementById("display-mode");
  if (!sel) return;
  try {
    sel.value = localStorage.getItem("grotti-display") === "shelf" ? "shelf" : "desktop";
  } catch (error) {
    sel.value = "desktop";
  }
  sel.addEventListener("change", () => {
    if (typeof setDisplayMode === "function") setDisplayMode(sel.value);
    else {
      try { localStorage.setItem("grotti-display", sel.value === "shelf" ? "shelf" : "desktop"); } catch (error) {}
      document.documentElement.classList.toggle("shelf", sel.value === "shelf");
      document.body.classList.toggle("shelf", sel.value === "shelf");
    }
    flashDisplayNote();
  });
})();

(function initThemeMode() {
  const sel = document.getElementById("theme-mode");
  if (!sel) return;
  try {
    const value = localStorage.getItem("grotti-theme") || "dark";
    sel.value = ["dark", "light", "system"].includes(value) ? value : "dark";
  } catch (error) {
    sel.value = "dark";
  }
  sel.addEventListener("change", () => {
    try { localStorage.setItem("grotti-theme", sel.value); } catch (error) {}
    if (typeof applyTheme === "function") applyTheme(sel.value);
    else {
      const light = sel.value === "light" || (sel.value === "system" && window.matchMedia("(prefers-color-scheme: light)").matches);
      document.documentElement.dataset.theme = light ? "light" : "dark";
      document.documentElement.style.colorScheme = light ? "light" : "dark";
    }
    flashDisplayNote();
  });
})();

(function initTimeZone() {
  const sel = document.getElementById("tz-mode");
  if (!sel) return;
  const known = ["auto", "Europe/Berlin", "Europe/Vienna", "Europe/Zurich", "UTC"];
  try {
    const value = localStorage.getItem(TZ_KEY) || "auto";
    sel.value = known.includes(value) ? value : "auto";
  } catch (error) {
    sel.value = "auto";
  }
  sel.addEventListener("change", () => {
    try { localStorage.setItem(TZ_KEY, sel.value || "auto"); } catch (error) {}
    const note = document.getElementById("display-note");
    if (note) {
      note.hidden = false;
      setTimeout(() => { note.hidden = true; }, 2500);
    }
  });
})();

(function initCameraMode() {
  const sel = document.getElementById("camera-mode");
  if (!sel || typeof cameraMode !== "function") return;
  sel.value = cameraMode();
  sel.addEventListener("change", () => {
    setCameraMode(sel.value);
    flashDisplayNote();
  });
  window.addEventListener("grotti-camera-mode", () => {
    sel.value = cameraMode();
  });
})();

document.getElementById("pe-win-on")?.addEventListener("change", () => {
  document.getElementById("pe-win-fields").hidden = !document.getElementById("pe-win-on").checked;
});
document.getElementById("pe-cancel")?.addEventListener("click", () => {
  document.getElementById("printer-edit-dlg").close();
});
document.getElementById("printer-edit-form")?.addEventListener("submit", async (event) => {
  event.preventDefault();
  const id = document.getElementById("pe-id").value;
  const on = document.getElementById("pe-win-on").checked;
  const start_window = {};
  if (on) {
    start_window.allowed = [{
      from: document.getElementById("pe-win-from").value || "22:00",
      to: document.getElementById("pe-win-to").value || "06:00",
    }];
    const maxH = Number(document.getElementById("pe-win-max").value);
    if (maxH > 0) start_window.max_hours_overnight = maxH;
  }
  try {
    await api("/drucker/id/" + id, {
      method: "PATCH",
      json: {
        name: document.getElementById("pe-name").value,
        host: document.getElementById("pe-host").value,
        family: document.getElementById("pe-family").value,
        locked: document.getElementById("pe-locked").checked,
        start_window,
      },
    });
    document.getElementById("printer-edit-dlg").close();
    toast("Drucker gespeichert.");
    markAutosaved();
    load();
  } catch (error) {
    showNote("printer-note", error);
  }
});
document.getElementById("pe-delete")?.addEventListener("click", (event) => {
  const id = document.getElementById("pe-id").value;
  armButton(event.currentTarget, "Wirklich entfernen?", async () => {
    try {
      await api("/drucker/id/" + id, { method: "DELETE" });
      document.getElementById("printer-edit-dlg").close();
      toast("Drucker entfernt.");
      load();
    } catch (error) {
      showNote("printer-note", error);
    }
  });
});

function markAutosaved() {
  const el = document.getElementById("settings-autosave-hint");
  if (!el) return;
  el.textContent = "Gespeichert ✓";
  clearTimeout(markAutosaved._t);
  markAutosaved._t = setTimeout(() => { el.textContent = ""; }, 2200);
}

function wireAutosave(triggerId, noteId) {
  const btn = document.getElementById(triggerId);
  if (!btn) return;
  const run = () => {
    btn.click();
    markAutosaved();
    if (noteId) {
      const note = document.getElementById(noteId);
      if (note) note.textContent = "Gespeichert ✓";
    }
  };
  let timer = 0;
  return (event) => {
    if (event && event.target && event.target.id === triggerId) return;
    clearTimeout(timer);
    timer = setTimeout(run, 450);
  };
}

document.getElementById("auto-queue")?.addEventListener("change", wireAutosave("auto-save", "auto-note"));
document.getElementById("auto-retry")?.addEventListener("change", wireAutosave("auto-save", "auto-note"));
["watch-dir"].forEach((id) => {
  document.getElementById(id)?.addEventListener("change", wireAutosave("watch-save", "watch-note"));
});
document.getElementById("fqdn")?.addEventListener("change", wireAutosave("fqdn-save", "fqdn-note"));
["tg-enabled", "tg-token", "tg-chat", "al-fertig", "al-fehler", "al-offline", "al-queue", "al-ablauf", "al-start"].forEach((id) => {
  document.getElementById(id)?.addEventListener("change", wireAutosave("tg-save", "tg-note"));
});
["ntfy-enabled", "ntfy-server", "ntfy-topic", "ntfy-token"].forEach((id) => {
  document.getElementById(id)?.addEventListener("change", wireAutosave("ntfy-save", "ntfy-note"));
});
["en-watts", "en-kwh", "en-nozzle", "en-bed", "en-dryer", "en-dryh", "en-waste", "en-util", "en-tariff", "en-ht", "en-nt", "en-nt-from", "en-nt-to"].forEach((id) => {
  document.getElementById(id)?.addEventListener("change", wireAutosave("en-save", "en-note"));
});

document.querySelectorAll(".settings-nav a").forEach((a) => {
  a.addEventListener("click", () => {
    document.querySelectorAll(".settings-nav a").forEach((x) => x.classList.remove("on"));
    a.classList.add("on");
  });
});

load().catch((error) => showNote("printer-note", error));
</script>
{% endblock %}