{% extends "layout.html" %}
{% block body %}
<div class="page-head">
  <div>
    <h1>Aufträge</h1>
    <p class="tiny">Kunden, Angebote, Positionen und Fortschritt.</p>
  </div>
  <div class="actions">
    <a class="ghost" id="lieferschein-link" href="#" hidden target="_blank" rel="noopener">Lieferschein</a>
    <button type="button" class="btn-primary" id="order-new-head"><svg class="ico"><use href="#i-plus"/></svg>Neuer Auftrag</button>
  </div>
</div>
<div class="split edit-split is-idle" id="order-layout">
  <section class="card">
    <div class="field inline">
      <label for="filter-status">Status</label>
      <select id="filter-status">
        <option value="">alle</option>
        <option value="idee">Idee</option>
        <option value="angebot">Angebot</option>
        <option value="bestaetigt">bestätigt</option>
        <option value="druckt">druckt</option>
        <option value="fertig">fertig</option>
        <option value="geliefert">geliefert</option>
        <option value="bezahlt">bezahlt</option>
      </select>
    </div>
    <div class="table-wrap">
      <table>
        <thead><tr><th>Titel</th><th>Status</th><th>Fortschritt</th></tr></thead>
        <tbody id="order-rows"></tbody>
      </table>
      <div class="pager" id="order-pager" hidden></div>
    </div>
  </section>
  <section class="card edit-panel" id="order-panel" hidden>
    <div class="mat-form-head">
      <h2 id="order-title">Neuer Auftrag</h2>
      <button type="button" class="ghost tiny-btn" id="order-edit-btn" hidden>Bearbeiten</button>
      <button type="button" class="icon-btn" id="order-close" title="Schließen" aria-label="Schließen"></button>
    </div>

    <form id="order-form" hidden>
      <input id="order-id" type="hidden">
      <div class="field"><label for="order-title-in">Titel</label><input id="order-title-in" required></div>
      <div class="grid-2">
        <div class="field"><label for="order-status">Status</label>
          <select id="order-status">
            <option value="idee">Idee</option>
            <option value="angebot">Angebot</option>
            <option value="bestaetigt">bestätigt</option>
            <option value="druckt">druckt</option>
            <option value="fertig">fertig</option>
            <option value="geliefert">geliefert</option>
            <option value="bezahlt">bezahlt</option>
          </select>
        </div>
        <div class="field"><label for="order-due">Fällig</label><input id="order-due" type="date"></div>
      </div>
      <div class="field"><label for="order-customer">Kunde</label>
        <select id="order-customer"><option value="">— keiner —</option></select>
      </div>
      <div class="field"><label for="order-notes">Notiz</label><textarea id="order-notes"></textarea></div>
      <div class="actions">
        <button type="submit" class="btn-primary">Speichern</button>
        <button type="button" class="ghost" id="order-cancel-edit" hidden>Abbrechen</button>
        <button type="button" class="btn-danger" id="order-delete" hidden>Löschen</button>
      </div>
    </form>
    <p id="order-note" class="tiny"></p>

    <div id="order-detail" hidden>
      <p class="tiny" id="order-progress"></p>
      <p class="tiny" id="order-actuals"></p>
      <p class="tiny" id="order-notes-view"></p>

      <h2 class="section-gap">Positionen</h2>
      <div class="table-wrap">
        <table>
          <thead><tr><th>Datei</th><th class="num">Stk</th><th class="num">fertig</th><th></th></tr></thead>
          <tbody id="item-rows"></tbody>
        </table>
      </div>

      <form id="item-edit-form" class="section-gap card" hidden style="padding:0.75rem;margin-top:0.75rem">
        <input type="hidden" id="item-edit-id">
        <h3 style="margin:0 0 0.5rem;font-size:0.95rem">Position ändern</h3>
        <div class="grid-2">
          <div class="field"><label for="item-edit-qty">Stück</label><input id="item-edit-qty" type="number" min="1" step="1" value="1"></div>
          <div class="field"><label for="item-edit-price">Preis/Stk €</label><input id="item-edit-price" type="number" min="0" step="0.01" value="0"></div>
        </div>
        <div class="actions">
          <button type="submit" class="btn-primary">Speichern</button>
          <button type="button" class="ghost" id="item-edit-cancel">Abbrechen</button>
        </div>
      </form>

      <form id="item-form" class="section-gap">
        <div class="grid-2">
          <div class="field"><label for="item-file">Datei</label><select id="item-file"><option value="">—</option></select></div>
          <div class="field"><label for="item-qty">Stück</label><input id="item-qty" type="number" min="1" step="1" value="1"></div>
          <div class="field"><label for="item-price">Preis/Stk €</label><input id="item-price" type="number" min="0" step="0.01" value="0"></div>
          <div class="field"><label for="item-material">Material</label><input id="item-material"></div>
        </div>
        <div class="actions"><button type="submit">Position hinzufügen</button></div>
      </form>
      <details class="section-gap">
        <summary>Kunde anlegen / bearbeiten</summary>
        <form id="customer-form">
          <input type="hidden" id="cust-id">
          <div class="field"><label for="cust-name">Name</label><input id="cust-name" required></div>
          <div class="field"><label for="cust-email">E-Mail</label><input id="cust-email" type="email"></div>
          <div class="actions">
            <button type="submit" class="btn-primary">Kunde speichern</button>
            <button type="button" class="ghost" id="cust-edit-current">Aktuellen laden</button>
            <button type="button" class="btn-danger" id="cust-delete" hidden>Kunde löschen</button>
          </div>
        </form>
      </details>
    </div>
  </section>
</div>
{% endblock %}
{% block script %}
<script>
const STATUS_LABEL = {
  idee: "Idee", angebot: "Angebot", bestaetigt: "bestätigt", druckt: "druckt",
  fertig: "fertig", geliefert: "geliefert", bezahlt: "bezahlt",
};
let orders = [];
let customers = [];
let files = [];
let current = null;
/** idle | create | view | edit */
let panelMode = "idle";
let orderPage = 1;

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

function openPanel() {
  document.getElementById("order-panel").hidden = false;
  document.getElementById("order-layout").classList.remove("is-idle");
  document.getElementById("order-panel").scrollIntoView({ block: "nearest", behavior: "smooth" });
}

function closePanel() {
  panelMode = "idle";
  current = null;
  document.getElementById("order-panel").hidden = true;
  document.getElementById("order-layout").classList.add("is-idle");
  document.getElementById("order-form").hidden = true;
  document.getElementById("order-detail").hidden = true;
  document.getElementById("order-edit-btn").hidden = true;
  document.getElementById("order-cancel-edit").hidden = true;
  document.getElementById("order-delete").hidden = true;
  document.getElementById("lieferschein-link").hidden = true;
  document.getElementById("item-edit-form").hidden = true;
  document.getElementById("order-note").textContent = "";
  history.replaceState(null, "", location.pathname);
  renderList();
}

function setFormValues(order) {
  document.getElementById("order-id").value = order ? order.id : "";
  document.getElementById("order-title-in").value = order ? order.title : "";
  document.getElementById("order-status").value = order ? order.status : "idee";
  document.getElementById("order-due").value = order && order.due_at ? order.due_at.slice(0, 10) : "";
  document.getElementById("order-customer").value = order && order.customer_id ? order.customer_id : "";
  document.getElementById("order-notes").value = order ? (order.notes || "") : "";
}

function fillCustomers() {
  const sel = document.getElementById("order-customer");
  const val = sel.value;
  sel.innerHTML = '<option value="">— keiner —</option>';
  customers.forEach((c) => {
    const o = document.createElement("option");
    o.value = c.id;
    o.textContent = c.name;
    sel.appendChild(o);
  });
  if (val) sel.value = val;
}

function fillFiles() {
  const sel = document.getElementById("item-file");
  sel.innerHTML = '<option value="">—</option>';
  files.slice(0, 400).forEach((f) => {
    const o = document.createElement("option");
    o.value = f.id;
    o.textContent = f.name;
    sel.appendChild(o);
  });
}

function paintActuals(order) {
  const el = document.getElementById("order-actuals");
  const a = order.actuals;
  if (!a) { el.textContent = ""; return; }
  const bits = [
    "Ist: " + euro(a.cost_total),
    hours(a.duration_s) || "0 min",
    "Ausschuss " + a.pieces_bad + " Stk",
  ];
  if (a.cost_per_part != null) bits.push(euro(a.cost_per_part) + "/Teil");
  if (a.yield_percent != null) bits.push("Yield " + Math.round(a.yield_percent) + " %");
  el.textContent = bits.join(" · ");
}

function showCreate() {
  panelMode = "create";
  current = null;
  setFormValues(null);
  document.getElementById("order-title").textContent = "Neuer Auftrag";
  document.getElementById("order-form").hidden = false;
  document.getElementById("order-detail").hidden = true;
  document.getElementById("order-edit-btn").hidden = true;
  document.getElementById("order-cancel-edit").hidden = true;
  document.getElementById("order-delete").hidden = true;
  document.getElementById("lieferschein-link").hidden = true;
  document.getElementById("order-note").textContent = "";
  document.getElementById("item-edit-form").hidden = true;
  history.replaceState(null, "", location.pathname);
  openPanel();
  renderList();
  document.getElementById("order-title-in").focus();
}

function showView(order) {
  panelMode = "view";
  current = order;
  setFormValues(order);
  document.getElementById("order-title").textContent = order.title || "Auftrag";
  document.getElementById("order-form").hidden = true;
  document.getElementById("order-detail").hidden = false;
  document.getElementById("order-edit-btn").hidden = false;
  document.getElementById("order-cancel-edit").hidden = true;
  document.getElementById("order-delete").hidden = true;
  document.getElementById("item-edit-form").hidden = true;
  const link = document.getElementById("lieferschein-link");
  link.href = "/auftraege/" + order.id + "/lieferschein";
  link.hidden = false;
  history.replaceState(null, "", "#" + order.id);
  const prog = order.progress;
  document.getElementById("order-progress").textContent = prog ? "Fortschritt: " + prog.label : "";
  paintActuals(order);
  const notes = (order.notes || "").trim();
  document.getElementById("order-notes-view").textContent = notes ? "Notiz: " + notes : "";
  renderItems(order.items || []);
  openPanel();
  renderList();
}

function showEdit(order) {
  panelMode = "edit";
  current = order;
  setFormValues(order);
  document.getElementById("order-title").textContent = "Bearbeiten";
  document.getElementById("order-form").hidden = false;
  document.getElementById("order-detail").hidden = true;
  document.getElementById("order-edit-btn").hidden = true;
  document.getElementById("order-cancel-edit").hidden = false;
  document.getElementById("order-delete").hidden = false;
  document.getElementById("item-edit-form").hidden = true;
  openPanel();
  renderList();
  document.getElementById("order-title-in").focus();
}

function renderItems(items) {
  const body = document.getElementById("item-rows");
  body.innerHTML = "";
  if (!items.length) {
    body.innerHTML = '<tr><td colspan="4" class="empty">Keine Positionen.</td></tr>';
    return;
  }
  items.forEach((item) => {
    const tr = document.createElement("tr");
    tr.innerHTML = "<td></td><td class=\"num\"></td><td class=\"num\"></td><td class=\"actions\"></td>";
    if (item.file_id) {
      tr.children[0].innerHTML = linkTo("datei", item.file_id, item.file_name || ("#" + item.file_id));
    } else {
      tr.children[0].textContent = item.file_name || "—";
    }
    tr.children[1].textContent = item.qty;
    tr.children[2].textContent = item.done_ok + (item.done_bad ? " (−" + item.done_bad + ")" : "");
    const tools = document.createElement("div");
    tools.className = "queue-tools";
    const btn = document.createElement("button");
    btn.type = "button";
    btn.className = "ghost tiny-btn";
    btn.textContent = "Einreihen";
    btn.disabled = !item.file_id || !current;
    btn.addEventListener("click", () => einreihen(item.id));
    const edit = document.createElement("button");
    edit.type = "button";
    edit.className = "ghost tiny-btn";
    edit.textContent = "Ändern";
    edit.addEventListener("click", () => beginEditItem(item));
    const del = document.createElement("button");
    del.type = "button";
    del.className = "btn-danger tiny-btn";
    del.textContent = "Löschen";
    del.addEventListener("click", (event) => {
      armButton(event.currentTarget, "Position löschen?", async () => {
        await api("/auftraege/positionen/" + item.id, { method: "DELETE" });
        toast("Position gelöscht.");
        const full = await api("/auftraege/" + current.id);
        showView(full);
      });
    });
    tools.append(btn, edit, del);
    tr.children[3].appendChild(tools);
    body.appendChild(tr);
  });
}

function beginEditItem(item) {
  document.getElementById("item-edit-id").value = item.id;
  document.getElementById("item-edit-qty").value = item.qty || 1;
  document.getElementById("item-edit-price").value = item.unit_price || 0;
  document.getElementById("item-edit-form").hidden = false;
  document.getElementById("item-edit-qty").focus();
}

async function einreihen(itemId) {
  if (!current) return;
  try {
    await api("/auftraege/" + current.id + "/einreihen", {
      method: "POST",
      json: { item_id: itemId, when_free: true, confirm: true },
    });
    toast("In Warteschlange.");
    const full = await api("/auftraege/" + current.id);
    showView(full);
    await loadList();
  } catch (error) {
    showNote("order-note", error);
  }
}

function renderList() {
  const body = document.getElementById("order-rows");
  body.innerHTML = "";
  const pager = document.getElementById("order-pager");
  if (!orders.length) {
    body.innerHTML = '<tr><td colspan="3" class="empty"><div class="empty-state"><p>Noch kein Auftrag.</p><p><button type="button" class="btn-primary" id="order-empty-new">Ersten Auftrag anlegen</button></p></div></td></tr>';
    document.getElementById("order-empty-new")?.addEventListener("click", showCreate);
    renderPager(pager, null, () => {});
    return;
  }
  const selected = current ? String(current.id) : "";
  const paged = pageSlice(orders, orderPage, DEFAULT_PAGE_SIZE);
  orderPage = paged.page;
  paged.items.forEach((order) => {
    const tr = document.createElement("tr");
    tr.className = "pick" + (selected && String(order.id) === selected ? " on" : "");
    tr.innerHTML = "<td></td><td></td><td class=\"cell-path\"></td>";
    tr.children[0].textContent = order.title;
    const st = order.status || "";
    const chipState = st === "druckt" ? "printing" : (st === "fertig" || st === "geliefert" || st === "bezahlt") ? "done" : st === "bestaetigt" ? "waiting" : "idle";
    tr.children[1].innerHTML = chipHtml(chipState, STATUS_LABEL[st] || st);
    tr.children[2].textContent = (order.progress && order.progress.label) || "";
    tr.children[2].title = (order.progress && order.progress.label) || "";
    tr.addEventListener("click", async () => {
      try {
        const full = await api("/auftraege/" + order.id);
        showView(full);
      } catch (error) {
        showNote("order-note", error);
      }
    });
    body.appendChild(tr);
  });
  renderPager(pager, paged, (p) => {
    orderPage = p;
    renderList();
  });
}

async function loadList() {
  const st = document.getElementById("filter-status").value;
  const q = st ? "?status=" + encodeURIComponent(st) : "";
  orders = await api("/auftraege" + q);
  orderPage = 1;
  renderList();
}

async function loadBase() {
  [customers, files] = await Promise.all([
    api("/kunden").catch(() => []),
    api("/dateien").catch(() => []),
  ]);
  fillCustomers();
  fillFiles();
  await loadList();
}

document.getElementById("filter-status").addEventListener("change", () => loadList().catch((e) => showNote("order-note", e)));

document.getElementById("order-new-head").addEventListener("click", showCreate);
document.getElementById("order-close").addEventListener("click", closePanel);
document.getElementById("order-edit-btn").addEventListener("click", () => {
  if (current) showEdit(current);
});
document.getElementById("order-cancel-edit").addEventListener("click", async () => {
  if (!current) {
    closePanel();
    return;
  }
  try {
    const full = await api("/auftraege/" + current.id);
    showView(full);
  } catch (error) {
    showNote("order-note", error);
  }
});

document.getElementById("order-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const id = document.getElementById("order-id").value;
  const payload = {
    title: document.getElementById("order-title-in").value,
    status: document.getElementById("order-status").value,
    notes: document.getElementById("order-notes").value,
    due_at: document.getElementById("order-due").value || null,
    customer_id: document.getElementById("order-customer").value || null,
  };
  try {
    const saved = id
      ? await api("/auftraege/" + id, { method: "PATCH", json: payload })
      : await api("/auftraege", { method: "POST", json: payload });
    showNote("order-note", null);
    toast("Gespeichert.", "good");
    await loadList();
    const full = await api("/auftraege/" + saved.id);
    showView(full);
  } catch (error) {
    showNote("order-note", error);
  }
});

document.getElementById("order-delete").addEventListener("click", (event) => {
  const id = document.getElementById("order-id").value;
  if (!id) return;
  armButton(event.currentTarget, "Auftrag wirklich löschen?", async () => {
    await api("/auftraege/" + id, { method: "DELETE" });
    toast("Gelöscht.");
    closePanel();
    loadList();
  });
});

document.getElementById("item-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  if (!current) {
    showNote("order-note", new Error("Zuerst Auftrag speichern."));
    return;
  }
  const payload = {
    file_id: document.getElementById("item-file").value || null,
    qty: Number(document.getElementById("item-qty").value),
    unit_price: Number(document.getElementById("item-price").value),
    material_type: document.getElementById("item-material").value,
  };
  try {
    await api("/auftraege/" + current.id + "/positionen", { method: "POST", json: payload });
    const full = await api("/auftraege/" + current.id);
    showView(full);
  } catch (error) {
    showNote("order-note", error);
  }
});

document.getElementById("item-edit-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  if (!current) return;
  const itemId = document.getElementById("item-edit-id").value;
  try {
    await api("/auftraege/positionen/" + itemId, {
      method: "PATCH",
      json: {
        qty: Number(document.getElementById("item-edit-qty").value) || 1,
        unit_price: Number(document.getElementById("item-edit-price").value) || 0,
      },
    });
    document.getElementById("item-edit-form").hidden = true;
    const full = await api("/auftraege/" + current.id);
    showView(full);
    toast("Position gespeichert.");
  } catch (error) {
    showNote("order-note", error);
  }
});
document.getElementById("item-edit-cancel").addEventListener("click", () => {
  document.getElementById("item-edit-form").hidden = true;
});

document.getElementById("customer-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const id = document.getElementById("cust-id").value;
  const payload = {
    name: document.getElementById("cust-name").value,
    email: document.getElementById("cust-email").value,
  };
  try {
    const row = id
      ? await api("/kunden/" + id, { method: "PATCH", json: payload })
      : await api("/kunden", { method: "POST", json: payload });
    if (id) {
      customers = customers.map((c) => (c.id === row.id ? row : c));
    } else {
      customers.push(row);
    }
    fillCustomers();
    document.getElementById("order-customer").value = row.id;
    document.getElementById("cust-id").value = "";
    document.getElementById("cust-name").value = "";
    document.getElementById("cust-email").value = "";
    document.getElementById("cust-delete").hidden = true;
    toast(id ? "Kunde gespeichert." : "Kunde angelegt.");
  } catch (error) {
    showNote("order-note", error);
  }
});

document.getElementById("cust-edit-current").addEventListener("click", () => {
  const id = document.getElementById("order-customer").value;
  const row = customers.find((c) => String(c.id) === String(id));
  if (!row) {
    toast("Zuerst einen Kunden wählen.", "bad");
    return;
  }
  document.getElementById("cust-id").value = row.id;
  document.getElementById("cust-name").value = row.name || "";
  document.getElementById("cust-email").value = row.email || "";
  document.getElementById("cust-delete").hidden = false;
});

document.getElementById("cust-delete").addEventListener("click", (event) => {
  const id = document.getElementById("cust-id").value;
  if (!id) return;
  armButton(event.currentTarget, "Kunde löschen?", async () => {
    await api("/kunden/" + id, { method: "DELETE" });
    customers = customers.filter((c) => String(c.id) !== String(id));
    fillCustomers();
    document.getElementById("cust-id").value = "";
    document.getElementById("cust-name").value = "";
    document.getElementById("cust-email").value = "";
    document.getElementById("cust-delete").hidden = true;
    toast("Kunde gelöscht.");
  });
});

loadBase().then(async () => {
  const hash = (location.hash || "").replace(/^#/, "");
  if (hash && /^\d+$/.test(hash)) {
    try {
      const full = await api("/auftraege/" + hash);
      showView(full);
    } catch (error) {
      showNote("order-note", error);
    }
  }
}).catch((error) => showNote("order-note", error));
</script>
{% endblock %}