{% extends "layout.html" %}
{% block body %}
<div class="page-head">
  <div>
    <h1>Material</h1>
    <p class="tiny">Spulen am Drucker und im Regal. Sorten sind die Profile dazu.</p>
  </div>
  <div class="page-head-side">
    <label class="scan-inline" for="scan-code">
      <svg class="ico" aria-hidden="true"><use href="#i-scan"/></svg>
      <input id="scan-code" autocomplete="off" placeholder="Code oder Charge · Enter" title="USB-Scanner oder Charge tippen">
    </label>
    <p id="scan-note" class="scan-note" hidden></p>
  </div>
</div>

<div class="tabs mat-tabs" role="tablist">
  <button type="button" class="on" data-view="spools" role="tab"><svg class="ico"><use href="#i-spool"/></svg>Spulen</button>
  <button type="button" data-view="sorten" role="tab"><svg class="ico"><use href="#i-layers"/></svg>Sorten</button>
</div>

<div id="view-spools">
  <div class="page-tools mat-tools">
    <div class="filter-bar" id="spool-filter" role="group" aria-label="Ort">
      <button type="button" class="fchip on" data-filter="all">Alle</button>
      <button type="button" class="fchip" data-filter="loaded">Am Drucker</button>
      <button type="button" class="fchip" data-filter="shelf">Regal</button>
      <button type="button" class="fchip" data-filter="low">Wenig Rest</button>
    </div>
    <input id="spool-search" type="search" placeholder="Spule suchen…" autocomplete="off">
    <button type="button" id="spool-new"><svg class="ico"><use href="#i-spool"/></svg>Neue Spule</button>
  </div>
  <p id="spool-list-note" class="tiny"></p>

  <div class="split mat-split is-idle" id="spool-layout">
    <section class="card table-wrap mat-list">
      <div class="lib-head">
        <h2>Spulen</h2>
        <span class="count" id="spool-count">0</span>
      </div>
      <table>
        <thead><tr><th>Spule</th><th>Charge</th><th>Sorte</th><th>Farbe</th><th>Ort</th><th class="num">Rest</th></tr></thead>
        <tbody id="spool-rows"></tbody>
      </table>
    </section>

    <section class="card mat-form" id="spool-panel" hidden>
      <div class="mat-form-head">
        <h2 id="spool-title">Neue Spule</h2>
        <button type="button" class="icon-btn" id="spool-close" title="Schließen" aria-label="Schließen"></button>
      </div>
      <form id="spool-form">
        <input id="spool-id" type="hidden">
        <div class="field">
          <label for="spool-material">Sorte <span class="tip" title="Profil mit Dichte, Preis und Volumen. Verwalten unter Reiter Sorten."><svg class="ico"><use href="#i-info"/></svg></span></label>
          <select id="spool-material"></select>
          <p id="spool-hint" class="field-help"></p>
        </div>
        <div class="field">
          <label for="spool-name">Name</label>
          <input id="spool-name" required>
        </div>
        <div class="grid-2">
          <div class="field"><label for="spool-brand">Marke</label><input id="spool-brand"></div>
          <div class="field"><label for="spool-type">Typ</label><input id="spool-type" placeholder="PLA"></div>
        </div>
        <div class="grid-2">
          <div class="field">
            <label for="spool-chargen">Grotti-Charge</label>
            <input id="spool-chargen" readonly placeholder="wird vergeben">
          </div>
          <div class="field">
            <label for="spool-hersteller">Hersteller-Charge</label>
            <input id="spool-hersteller" placeholder="vom Rollenetikett">
          </div>
        </div>

        <details class="mat-color" id="color-box">
          <summary>
            <svg class="ico caret"><use href="#i-down"/></svg>
            <span class="grow">Farbe</span>
            <span class="tiny" id="color-sum">noch keine</span>
          </summary>
          <div class="mat-color-body">
            <div id="color-picked" class="picked"></div>
            <div id="color-solids" class="color-grid"></div>
            <div id="color-multi" class="color-grid"></div>
            <label class="mix check"><input id="color-mix" type="checkbox"> Eigene Mischung</label>
          </div>
        </details>

        <div class="grid-2" style="margin-top:0.55rem">
          <div class="field">
            <label for="spool-printer">Drucker</label>
            <select id="spool-printer"></select>
          </div>
          <div class="field">
            <label for="spool-slot">ACE-Platz <span class="tip" title="ACE 1 = Plätze 1–4, ACE 2 = 5–8. Leer = externe Spule am Drucker. Ohne Drucker = Regal."><svg class="ico"><use href="#i-info"/></svg></span></label>
            <select id="spool-slot">
              <option value="">nicht im ACE</option>
              <option value="1">ACE 1 · Platz 1</option>
              <option value="2">ACE 1 · Platz 2</option>
              <option value="3">ACE 1 · Platz 3</option>
              <option value="4">ACE 1 · Platz 4</option>
              <option value="5">ACE 2 · Platz 1</option>
              <option value="6">ACE 2 · Platz 2</option>
              <option value="7">ACE 2 · Platz 3</option>
              <option value="8">ACE 2 · Platz 4</option>
            </select>
          </div>
          <div class="field"><label for="spool-price">€ pro kg</label><input id="spool-price" type="number" min="0" step="0.01" value="0"></div>
          <div class="field"><label for="spool-left">Rest gramm</label><input id="spool-left" type="number" step="1" value="1000"></div>
          <div class="field"><label for="spool-density">Dichte g/cm³</label><input id="spool-density" type="number" min="0.1" step="0.01" value="1.24"></div>
          <div class="field"><label for="spool-vol">Volumen mm³/s</label><input id="spool-vol" type="number" min="0.1" step="0.1" value="12"></div>
        </div>
        <div class="actions">
          <button type="submit">Merken</button>
          <button type="button" class="ghost" id="spool-shelf" hidden>Ins Regal</button>
          <button type="button" class="ghost" id="spool-label" hidden>Etikett</button>
          <button type="button" class="warn" id="spool-delete" hidden><svg class="ico"><use href="#i-trash"/></svg>Löschen</button>
        </div>
      </form>
      <p id="spool-note"></p>
    </section>
  </div>
</div>

<div id="view-sorten" hidden>
  <div class="page-tools mat-tools">
    <input id="sorten-search" type="search" placeholder="Sorte suchen…" autocomplete="off">
    <button type="button" id="sorten-new"><svg class="ico"><use href="#i-layers"/></svg>Neue Sorte</button>
  </div>
  <p id="sorten-list-note" class="tiny"></p>

  <div class="split mat-split is-idle" id="sorten-layout">
    <section class="card table-wrap mat-list">
      <div class="lib-head">
        <h2>Sorten</h2>
        <span class="count" id="sorten-count">0</span>
      </div>
      <table>
        <thead>
          <tr>
            <th>Sorte</th>
            <th>Typ</th>
            <th>Drucker</th>
            <th class="num">Dichte</th>
            <th class="num">mm³/s</th>
            <th class="num">€/kg</th>
          </tr>
        </thead>
        <tbody id="sorten-rows"></tbody>
      </table>
    </section>

    <section class="card mat-form" id="sorten-panel" hidden>
      <div class="mat-form-head">
        <h2 id="sorten-title">Neue Sorte</h2>
        <button type="button" class="icon-btn" id="sorten-close" title="Schließen"></button>
      </div>
      <form id="sorten-form">
        <input id="sorten-id" type="hidden">
        <div class="field">
          <label for="sorten-name">Name</label>
          <input id="sorten-name" required placeholder="z. B. Sunlu PLA+">
        </div>
        <div class="grid-2">
          <div class="field"><label for="sorten-brand">Marke</label><input id="sorten-brand"></div>
          <div class="field"><label for="sorten-type">Typ</label><input id="sorten-type" placeholder="PLA"></div>
        </div>
        <div class="field">
          <label for="sorten-machines">Maschinen</label>
          <select id="sorten-machines">
            <option value="beide">beide</option>
            <option value="kobra_3">nur Kobra 3</option>
            <option value="kobra_s1">nur Kobra S1</option>
          </select>
        </div>
        <div class="grid-2">
          <div class="field"><label for="sorten-density">Dichte g/cm³</label><input id="sorten-density" type="number" min="0.1" step="0.01" value="1.24"></div>
          <div class="field"><label for="sorten-price">€ pro kg</label><input id="sorten-price" type="number" min="0" step="0.01" value="0"></div>
          <div class="field"><label for="sorten-vol">Volumen mm³/s</label><input id="sorten-vol" type="number" min="0.1" step="0.1" value="12"></div>
          <div class="field"><label for="sorten-vol-s1">Volumen S1 <span class="tip" title="Leer = wie oben. Nur setzen, wenn S1 anders ist."><svg class="ico"><use href="#i-info"/></svg></span></label><input id="sorten-vol-s1" type="number" min="0.1" step="0.1" placeholder="wie oben"></div>
        </div>
        <div class="field">
          <label for="sorten-note">Notiz</label>
          <input id="sorten-note" placeholder="optional">
        </div>
        <div class="actions">
          <button type="submit">Merken</button>
          <button type="button" class="ghost" id="sorten-use">Spule damit anlegen</button>
          <button type="button" class="warn" id="sorten-delete" hidden><svg class="ico"><use href="#i-trash"/></svg>Löschen</button>
        </div>
      </form>
      <p id="sorten-note-msg"></p>
    </section>
  </div>
</div>
{% endblock %}
{% block script %}
<script>
let spools = [];
let printers = [];
let materials = [];
let palette = { solids: [], multi: [] };
let picked = [];
let colorLabel = "";
let autoName = "";
let spoolFilter = "all";
let spoolSearch = "";
let sortenSearch = "";
let view = "spools";
let spoolPanelOpen = false;
let sortenPanelOpen = false;

document.getElementById("spool-close").innerHTML = icon("x");
document.getElementById("sorten-close").innerHTML = icon("x");

function dots(colors) {
  const wrap = document.createElement("span");
  wrap.className = "dots";
  (colors || []).forEach((color) => {
    const dot = document.createElement("span");
    dot.className = "dot";
    dot.style.background = color.hex;
    dot.title = color.name;
    wrap.appendChild(dot);
  });
  return wrap;
}

function slotLabel(slot) {
  if (!slot) return "";
  if (slot <= 4) return "ACE 1 · " + slot;
  return "ACE 2 · " + (slot - 4);
}

function printerName(host) {
  return (printers.find((p) => p.host === host) || {}).name || host || "";
}

function ortLabel(spool) {
  if (!spool.printer_host) return "Regal";
  const name = printerName(spool.printer_host);
  if (spool.ace_slot) return name + " · " + slotLabel(spool.ace_slot);
  return name + " · extern";
}

function selectedMaterial() {
  const id = document.getElementById("spool-material").value;
  return materials.find((row) => String(row.id) === id) || null;
}

function volumeOf(material) {
  const host = document.getElementById("spool-printer").value;
  const printer = printers.find((row) => row.host === host);
  if (printer && printer.family === "kobra_s1" && material.volumetric_s1 != null) return material.volumetric_s1;
  return material.volumetric;
}

function showHint() {
  const material = selectedMaterial();
  const node = document.getElementById("spool-hint");
  if (!material) {
    node.textContent = "";
    return;
  }
  const host = document.getElementById("spool-printer").value;
  const printer = printers.find((row) => row.host === host);
  const parts = [];
  if (printer && material.machines !== "beide" && material.machines !== printer.family) {
    parts.push("Diese Sorte läuft bei dir " + material.machines_label + ".");
  } else if (material.machines !== "beide") {
    parts.push(material.machines_label.charAt(0).toUpperCase() + material.machines_label.slice(1) + ".");
  }
  if (material.note) parts.push(material.note);
  node.textContent = parts.join(" ");
}

function applyMaterial(material, rename) {
  if (!material) return;
  document.getElementById("spool-material").value = String(material.id);
  document.getElementById("spool-brand").value = material.brand;
  document.getElementById("spool-type").value = material.material_type;
  document.getElementById("spool-density").value = material.density;
  document.getElementById("spool-price").value = material.price_per_kg;
  document.getElementById("spool-vol").value = volumeOf(material);
  const name = document.getElementById("spool-name");
  if (rename && (!name.value || name.value === autoName)) {
    autoName = material.name;
    name.value = material.name;
  }
  showHint();
}

function colorSummary() {
  if (!picked.length) return "noch keine";
  return colorLabel || picked.map((c) => c.name).join(" / ");
}

function renderPicked() {
  const node = document.getElementById("color-picked");
  node.innerHTML = "";
  const sum = document.getElementById("color-sum");
  if (!picked.length) {
    node.textContent = "Farbe tippen — einfarbig oder Mehrton.";
    sum.textContent = "noch keine";
    return;
  }
  node.appendChild(dots(picked));
  const label = document.createElement("span");
  label.textContent = colorLabel || picked.map((color) => color.name).join(" / ");
  node.appendChild(label);
  sum.textContent = colorSummary();
}

function renderPalette() {
  const mix = document.getElementById("color-mix").checked;
  const solids = document.getElementById("color-solids");
  const multi = document.getElementById("color-multi");
  solids.innerHTML = "";
  multi.innerHTML = "";
  palette.solids.forEach((item) => {
    const button = document.createElement("button");
    button.type = "button";
    button.className = "swatch";
    const on = mix
      ? picked.some((color) => color.hex === item.colors[0].hex)
      : picked.length === 1 && picked[0].hex === item.colors[0].hex && colorLabel === item.name;
    if (on) button.classList.add("on");
    button.appendChild(dots(item.colors));
    button.appendChild(document.createTextNode(item.name));
    button.addEventListener("click", () => chooseSolid(item));
    solids.appendChild(button);
  });
  palette.multi.forEach((item) => {
    const button = document.createElement("button");
    button.type = "button";
    button.className = "swatch";
    if (colorLabel === item.name) button.classList.add("on");
    button.appendChild(dots(item.colors));
    button.appendChild(document.createTextNode(item.name));
    button.addEventListener("click", () => chooseMulti(item));
    multi.appendChild(button);
  });
  renderPicked();
}

function chooseSolid(item) {
  const color = item.colors[0];
  if (document.getElementById("color-mix").checked) {
    const index = picked.findIndex((row) => row.hex === color.hex);
    if (index >= 0) picked.splice(index, 1);
    else if (picked.length < 8) picked.push(color);
    colorLabel = picked.map((row) => row.name).join(" / ");
  } else {
    picked = [color];
    colorLabel = item.name;
  }
  renderPalette();
}

function chooseMulti(item) {
  picked = item.colors.map((color) => ({ name: color.name, hex: color.hex }));
  colorLabel = item.name;
  document.getElementById("color-mix").checked = false;
  renderPalette();
}

function setView(next) {
  view = next;
  document.querySelectorAll(".mat-tabs [data-view]").forEach((btn) => {
    btn.classList.toggle("on", btn.dataset.view === view);
  });
  document.getElementById("view-spools").hidden = view !== "spools";
  document.getElementById("view-sorten").hidden = view !== "sorten";
}

function openSpoolPanel() {
  spoolPanelOpen = true;
  document.getElementById("spool-panel").hidden = false;
  document.getElementById("spool-layout").classList.remove("is-idle");
}

function closeSpoolPanel() {
  spoolPanelOpen = false;
  document.getElementById("spool-panel").hidden = true;
  document.getElementById("spool-layout").classList.add("is-idle");
  document.getElementById("spool-id").value = "";
  document.getElementById("spool-note").textContent = "";
  renderSpools();
}

function openSortenPanel() {
  sortenPanelOpen = true;
  document.getElementById("sorten-panel").hidden = false;
  document.getElementById("sorten-layout").classList.remove("is-idle");
}

function closeSortenPanel() {
  sortenPanelOpen = false;
  document.getElementById("sorten-panel").hidden = true;
  document.getElementById("sorten-layout").classList.add("is-idle");
  document.getElementById("sorten-id").value = "";
  document.getElementById("sorten-note-msg").textContent = "";
  renderSorten();
}

function payload() {
  return {
    name: document.getElementById("spool-name").value,
    brand: document.getElementById("spool-brand").value,
    material_type: document.getElementById("spool-type").value,
    material_id: document.getElementById("spool-material").value || null,
    hersteller_charge: document.getElementById("spool-hersteller").value,
    color: colorLabel,
    colors: picked,
    printer_host: document.getElementById("spool-printer").value,
    ace_slot: document.getElementById("spool-slot").value || null,
    price_per_kg: Number(document.getElementById("spool-price").value),
    remaining_g: Number(document.getElementById("spool-left").value),
    density: Number(document.getElementById("spool-density").value),
    volumetric: Number(document.getElementById("spool-vol").value),
  };
}

function fill(spool) {
  openSpoolPanel();
  document.getElementById("spool-id").value = spool ? spool.id : "";
  document.getElementById("spool-name").value = spool ? spool.name : "";
  document.getElementById("spool-brand").value = spool ? spool.brand : "";
  document.getElementById("spool-type").value = spool ? spool.material_type : "";
  document.getElementById("spool-chargen").value = spool ? (spool.chargen_nr || spool.code || "") : "";
  document.getElementById("spool-hersteller").value = spool ? (spool.hersteller_charge || "") : "";
  document.getElementById("spool-printer").value = spool ? spool.printer_host : "";
  document.getElementById("spool-slot").value = spool && spool.ace_slot ? String(spool.ace_slot) : "";
  document.getElementById("spool-price").value = spool ? spool.price_per_kg : 0;
  document.getElementById("spool-left").value = spool ? spool.remaining_g : 1000;
  document.getElementById("spool-density").value = spool ? spool.density : 1.24;
  document.getElementById("spool-vol").value = spool ? spool.volumetric : 12;
  document.getElementById("spool-material").value = spool && spool.material_id ? String(spool.material_id) : "";
  picked = spool && spool.colors ? spool.colors.map((color) => ({ name: color.name, hex: color.hex })) : [];
  colorLabel = spool ? spool.color : "";
  document.getElementById("color-mix").checked = false;
  autoName = "";
  document.getElementById("spool-title").textContent = spool ? spool.name : "Neue Spule";
  document.getElementById("spool-delete").hidden = !spool;
  document.getElementById("spool-label").hidden = !spool;
  document.getElementById("spool-shelf").hidden = !spool || !(spool.printer_host);
  document.getElementById("color-box").open = !spool || !picked.length;
  showHint();
  renderPalette();
  renderSpools();
  document.getElementById("spool-panel").scrollIntoView({ block: "nearest", behavior: "smooth" });
}

function fillSorten(material) {
  openSortenPanel();
  document.getElementById("sorten-id").value = material ? material.id : "";
  document.getElementById("sorten-name").value = material ? material.name : "";
  document.getElementById("sorten-brand").value = material ? material.brand : "";
  document.getElementById("sorten-type").value = material ? material.material_type : "PLA";
  document.getElementById("sorten-machines").value = material ? material.machines : "beide";
  document.getElementById("sorten-density").value = material ? material.density : 1.24;
  document.getElementById("sorten-price").value = material ? material.price_per_kg : 0;
  document.getElementById("sorten-vol").value = material ? material.volumetric : 12;
  document.getElementById("sorten-vol-s1").value =
    material && material.volumetric_s1 != null ? material.volumetric_s1 : "";
  document.getElementById("sorten-note").value = material ? (material.note || "") : "";
  document.getElementById("sorten-title").textContent = material ? material.name : "Neue Sorte";
  document.getElementById("sorten-delete").hidden = !material;
  document.getElementById("sorten-use").hidden = !material;
  renderSorten();
}

function shownSpools() {
  const q = spoolSearch.trim().toLowerCase();
  return spools.filter((spool) => {
    if (spoolFilter === "loaded" && !spool.printer_host) return false;
    if (spoolFilter === "shelf" && spool.printer_host) return false;
    if (spoolFilter === "low" && (Number(spool.remaining_g) || 0) >= 100) return false;
    if (!q) return true;
    const hay = [
      spool.name, spool.chargen_nr, spool.code, spool.material_type, spool.color,
      spool.brand, ortLabel(spool),
    ].join(" ").toLowerCase();
    return hay.includes(q);
  });
}

function shownSorten() {
  const q = sortenSearch.trim().toLowerCase();
  if (!q) return materials;
  return materials.filter((m) =>
    [m.name, m.brand, m.material_type, m.machines_label, m.note].join(" ").toLowerCase().includes(q)
  );
}

function fillSelects() {
  const select = document.getElementById("spool-printer");
  const current = select.value;
  select.innerHTML = '<option value="">Regal</option>';
  printers.forEach((printer) => {
    const option = document.createElement("option");
    option.value = printer.host;
    option.textContent = printer.name;
    select.appendChild(option);
  });
  select.value = current;

  const materialSelect = document.getElementById("spool-material");
  const currentMaterial = materialSelect.value;
  materialSelect.innerHTML = '<option value="">Sorte wählen</option>';
  materials.forEach((material) => {
    const option = document.createElement("option");
    option.value = material.id;
    option.textContent = material.name;
    materialSelect.appendChild(option);
  });
  materialSelect.value = currentMaterial;
}

function renderSpools() {
  document.querySelectorAll("#spool-filter .fchip").forEach((btn) => {
    btn.classList.toggle("on", (btn.dataset.filter || "all") === spoolFilter);
  });
  fillSelects();

  const body = document.getElementById("spool-rows");
  body.innerHTML = "";
  const shown = shownSpools();
  document.getElementById("spool-count").textContent = String(shown.length);
  const note = document.getElementById("spool-list-note");
  if (!spools.length) {
    note.textContent = "";
    body.innerHTML = '<tr><td class="empty" colspan="6"><div class="empty-state">' + icon("spool") + '<p>Noch keine Spule.</p><p class="tiny">„Neue Spule“ anlegen oder Code scannen.</p></div></td></tr>';
    return;
  }
  if (!shown.length) {
    note.textContent = "";
    body.innerHTML = '<tr><td class="empty" colspan="6"><div class="empty-state">' + icon("search") + '<p>Keine Spule passt.</p></div></td></tr>';
    return;
  }
  note.textContent = shown.length === spools.length
    ? (shown.length === 1 ? "1 Spule" : shown.length + " Spulen")
    : shown.length + " von " + spools.length;

  const ordered = [...shown].sort((a, b) => {
    const ah = a.printer_host || "zzz";
    const bh = b.printer_host || "zzz";
    return ah.localeCompare(bh, "de") || (Number(a.ace_slot) || 0) - (Number(b.ace_slot) || 0) || a.name.localeCompare(b.name, "de");
  });
  let lastPlace = null;
  ordered.forEach((spool) => {
    const group = spool.printer_host ? printerName(spool.printer_host) : "Regal";
    if (group !== lastPlace) {
      lastPlace = group;
      const head = document.createElement("tr");
      head.className = "mat-group";
      head.innerHTML = `<td colspan="6">${escapeHtml(group)}</td>`;
      body.appendChild(head);
    }
    const tr = document.createElement("tr");
    tr.className = "pick";
    if (spoolPanelOpen && String(spool.id) === document.getElementById("spool-id").value) tr.classList.add("on");
    tr.innerHTML = "<td></td><td></td><td></td><td></td><td></td><td class=\"num\"></td>";
    tr.children[0].textContent = spool.name;
    tr.children[1].textContent = spool.chargen_nr || spool.code || "";
    tr.children[1].classList.add("nowrap");
    tr.children[2].textContent = spool.material_type;
    const colorCell = tr.children[3];
    if (spool.colors && spool.colors.length) colorCell.appendChild(dots(spool.colors));
    const caption = document.createElement("span");
    caption.className = "mat-color-cap";
    caption.textContent = spool.color ? " " + spool.color : "";
    colorCell.appendChild(caption);
    tr.children[4].textContent = ortLabel(spool);
    tr.children[4].classList.add("nowrap");
    tr.children[4].title = ortLabel(spool);
    const rest = Number(spool.remaining_g) || 0;
    tr.children[5].textContent = grams(rest);
    if (rest < 100) tr.children[5].classList.add("msg");
    tr.addEventListener("click", () => fill(spool));
    body.appendChild(tr);
  });
}

function renderSorten() {
  fillSelects();
  const body = document.getElementById("sorten-rows");
  body.innerHTML = "";
  const shown = shownSorten();
  document.getElementById("sorten-count").textContent = String(shown.length);
  const note = document.getElementById("sorten-list-note");
  if (!materials.length) {
    note.textContent = "";
    body.innerHTML = '<tr><td class="empty" colspan="6"><div class="empty-state">' + icon("layers") + '<p>Noch keine Sorte.</p></div></td></tr>';
    return;
  }
  if (!shown.length) {
    note.textContent = "";
    body.innerHTML = '<tr><td class="empty" colspan="6"><div class="empty-state">' + icon("search") + '<p>Keine Sorte passt.</p></div></td></tr>';
    return;
  }
  note.textContent = shown.length === 1 ? "1 Sorte" : shown.length + " Sorten";

  shown.forEach((material) => {
    const tr = document.createElement("tr");
    tr.className = "pick";
    if (sortenPanelOpen && String(material.id) === document.getElementById("sorten-id").value) tr.classList.add("on");
    const speeds = material.volumetric_s1 != null && material.volumetric_s1 !== material.volumetric
      ? material.volumetric + " · S1 " + material.volumetric_s1
      : String(material.volumetric);
    tr.innerHTML = "<td></td><td></td><td class=\"nowrap\"></td><td class=\"num\"></td><td class=\"num\"></td><td class=\"num\"></td>";
    tr.children[0].textContent = material.name;
    tr.children[1].textContent = material.material_type;
    tr.children[2].textContent = material.machines_label;
    tr.children[3].textContent = String(material.density).replace(".", ",");
    tr.children[4].textContent = speeds;
    tr.children[5].textContent = euro(material.price_per_kg);
    tr.addEventListener("click", () => fillSorten(material));
    body.appendChild(tr);
  });
}

function render() {
  renderSpools();
  renderSorten();
}

async function load() {
  [spools, printers, materials, palette] = await Promise.all([
    api("/spulen"),
    api("/drucker?live=0"),
    api("/materialien"),
    api("/farben"),
  ]);
  render();
  renderPalette();
}

function setScanNote(text, ok) {
  const note = document.getElementById("scan-note");
  if (!text) {
    note.hidden = true;
    note.textContent = "";
    return;
  }
  note.hidden = false;
  note.textContent = text;
  note.className = "scan-note " + (ok ? "ok" : "msg");
}

document.querySelectorAll(".mat-tabs [data-view]").forEach((btn) => {
  btn.addEventListener("click", () => setView(btn.dataset.view));
});

document.getElementById("spool-filter").addEventListener("click", (event) => {
  const btn = event.target.closest("[data-filter]");
  if (!btn) return;
  spoolFilter = btn.dataset.filter || "all";
  renderSpools();
});
document.getElementById("spool-search").addEventListener("input", (event) => {
  spoolSearch = event.target.value || "";
  renderSpools();
});
document.getElementById("sorten-search").addEventListener("input", (event) => {
  sortenSearch = event.target.value || "";
  renderSorten();
});

document.getElementById("spool-close").addEventListener("click", closeSpoolPanel);
document.getElementById("sorten-close").addEventListener("click", closeSortenPanel);

document.getElementById("spool-material").addEventListener("change", () => applyMaterial(selectedMaterial(), true));
document.getElementById("spool-printer").addEventListener("change", () => {
  const material = selectedMaterial();
  if (material) document.getElementById("spool-vol").value = volumeOf(material);
  showHint();
});
document.getElementById("color-mix").addEventListener("change", renderPalette);

document.getElementById("spool-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const id = document.getElementById("spool-id").value;
  const data = payload();
  const host = data.printer_host;
  const slot = data.ace_slot;
  try {
    const base = { ...data, printer_host: "", ace_slot: null };
    let saved = id
      ? await api("/spulen/" + id, { method: "PATCH", json: base })
      : await api("/spulen", { method: "POST", json: base });
    if (host) {
      saved = await api("/spulen/" + saved.id + "/einlegen", {
        method: "POST",
        json: { host, ace_slot: slot },
      });
    }
    toast("Spule gemerkt.");
    document.getElementById("spool-note").textContent = "Gemerkt.";
    document.getElementById("spool-note").className = "ok";
    await load();
    fill(saved);
  } catch (error) {
    showNote("spool-note", error);
  }
});

document.getElementById("spool-new").addEventListener("click", () => {
  fill(null);
  document.getElementById("spool-material").focus();
});
document.getElementById("spool-shelf").addEventListener("click", async () => {
  const id = document.getElementById("spool-id").value;
  if (!id) return;
  try {
    const saved = await api("/spulen/" + id, { method: "PATCH", json: { printer_host: "", ace_slot: null } });
    toast("Spule liegt im Regal.");
    await load();
    fill(saved);
  } catch (error) {
    showNote("spool-note", error);
  }
});
document.getElementById("spool-label").addEventListener("click", () => {
  const id = document.getElementById("spool-id").value;
  if (id) window.open("/etikett/" + id, "_blank", "noopener");
});
document.getElementById("spool-delete").addEventListener("click", () => {
  const id = document.getElementById("spool-id").value;
  if (!id) return;
  armButton(document.getElementById("spool-delete"), "Löschen?", async () => {
    await api("/spulen/" + id, { method: "DELETE" });
    toast("Spule gelöscht.");
    await load();
    closeSpoolPanel();
  });
});

document.getElementById("sorten-new").addEventListener("click", () => {
  fillSorten(null);
  document.getElementById("sorten-name").focus();
});
document.getElementById("sorten-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const id = document.getElementById("sorten-id").value;
  const volS1 = document.getElementById("sorten-vol-s1").value;
  const data = {
    name: document.getElementById("sorten-name").value.trim(),
    brand: document.getElementById("sorten-brand").value.trim(),
    material_type: document.getElementById("sorten-type").value.trim() || "PLA",
    machines: document.getElementById("sorten-machines").value,
    density: Number(document.getElementById("sorten-density").value) || 1.24,
    price_per_kg: Number(document.getElementById("sorten-price").value) || 0,
    volumetric: Number(document.getElementById("sorten-vol").value) || 12,
    volumetric_s1: volS1 === "" ? null : Number(volS1),
    note: document.getElementById("sorten-note").value.trim(),
  };
  try {
    const saved = id
      ? await api("/materialien/" + id, { method: "PATCH", json: data })
      : await api("/materialien", { method: "POST", json: data });
    toast("Sorte gemerkt.");
    showNote("sorten-note-msg", null, "Gemerkt.");
    await load();
    fillSorten(saved);
  } catch (error) {
    showNote("sorten-note-msg", error);
  }
});
document.getElementById("sorten-use").addEventListener("click", () => {
  const id = document.getElementById("sorten-id").value;
  const material = materials.find((row) => String(row.id) === id);
  if (!material) return;
  setView("spools");
  fill(null);
  applyMaterial(material, true);
  document.getElementById("color-box").open = true;
});
document.getElementById("sorten-delete").addEventListener("click", () => {
  const id = document.getElementById("sorten-id").value;
  if (!id) return;
  armButton(document.getElementById("sorten-delete"), "Löschen?", async () => {
    try {
      await api("/materialien/" + id, { method: "DELETE" });
      toast("Sorte gelöscht.");
      await load();
      closeSortenPanel();
    } catch (error) {
      showNote("sorten-note-msg", error);
    }
  });
});

async function openByCode(raw) {
  const code = (raw || "").trim();
  if (!code) return;
  try {
    let spool = null;
    if (/^\d+$/.test(code)) {
      spool = spools.find((row) => String(row.id) === code) || null;
    }
    if (!spool && code.includes("spool=")) {
      const match = code.match(/[?&]spool=(\d+)/);
      if (match) spool = spools.find((row) => String(row.id) === match[1]) || null;
    }
    if (!spool) spool = await api("/spulen/by-code/" + encodeURIComponent(code));
    setView("spools");
    fill(spool);
    setScanNote("Spule " + (spool.chargen_nr || spool.name) + " geöffnet.", true);
    document.getElementById("scan-code").select();
  } catch (error) {
    setScanNote(error.message || String(error), false);
  }
}

document.getElementById("scan-code").addEventListener("keydown", (event) => {
  if (event.key === "Enter") {
    event.preventDefault();
    openByCode(event.target.value);
  }
});

load().then(() => {
  closeSpoolPanel();
  closeSortenPanel();
  const params = new URLSearchParams(location.search);
  const spoolId = params.get("spool");
  if (spoolId) {
    const spool = spools.find((row) => String(row.id) === spoolId);
    if (spool) fill(spool);
    else openByCode(spoolId);
  }
}).catch((error) => showNote("spool-note", error));
</script>
{% endblock %}