{% extends "base.html" %}
{% block body_class %}page-bg bg-cartridges{% endblock %}
{% block content %}
<style>
  .table td,
  .table th {
    white-space: normal;
    word-break: break-word;
  }
  .row-actions {
    background: #f8f9fa;
  }
  .row-actions__inner {
    max-height: 0;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
    overflow: hidden;
    padding: 0 0.75rem;
  }
  .row-actions.show .row-actions__inner {
    max-height: 60px;
    opacity: 1;
    transform: translateY(0);
  }
  .issues-table .row-actions__inner {
    max-height: 0;
  }
  #issueCancelCard {
    background: transparent;
    border: none;
  }
  #issueCancelCard .card-body {
    background: transparent;
    padding-left: 0;
    padding-right: 0;
  }
  .edit-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 32, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: 1rem;
  }
  .edit-modal.show {
    display: flex;
  }
  .edit-modal__dialog {
    background: #fff;
    border-radius: 0.75rem;
    width: min(700px, 100%);
    max-height: 85vh;
    overflow: auto;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 24px 48px rgba(15, 23, 32, 0.25);
  }
  .edit-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
  }
  .edit-modal__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
  }
  .edit-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
  }
</style>
<div class="d-flex align-items-center justify-content-between mb-2">
  <h3 class="mb-0">Картриджи</h3>
  <div class="d-flex gap-2">
    {% if session.get('role') == 'admin' %}
      <form method="post" action="/orders/low_stock">
        <button class="btn btn-warning" type="submit">Добавить в заказы (≤ 1)</button>
      </form>
      <button class="btn btn-outline-secondary" type="button" id="toggleIssueCancel">Отменить выдачу</button>
      <button class="btn btn-outline-primary" type="button" id="toggleOrderForm">Заказать картридж</button>
    {% endif %}
    <a class="btn btn-success" href="/report/cartridges.xlsx">Экспорт в Excel</a>
  </div>
</div>

{% if session.get('role') != 'admin' %}
  <div class="alert alert-secondary">Режим просмотра: изменения доступны только администратору.</div>
{% endif %}

{% if session.get('role') == 'admin' %}
<div class="card mb-3">
  <div class="card-body">
    <h5 class="card-title mb-2">Выдача по штрихкоду (сканер)</h5>
    <form method="post" action="/issue" class="row g-2 align-items-center" id="issueByBarcodeForm">
      <div class="col-md-3">
        <input name="barcode" class="form-control" placeholder="Сканируй штрихкод" id="issue_barcode" autocomplete="off" autofocus>
        <div class="form-text" id="issue_hint"></div>
      </div>
      <div class="col-md-3">
        <input class="form-control" id="issue_model" placeholder="Модель" readonly>
      </div>
      <div class="col-md-2">
        <input name="quantity" class="form-control" placeholder="Кол-во" value="1">
      </div>
      <div class="col-md-2">
        <select name="cabinet" class="form-select" id="issue_cabinet">
          <option value="">Выберите кабинет...</option>
          {% for c in cabinets %}
          <option value="{{ c }}">{{ c }}</option>
          {% endfor %}
        </select>
      </div>
      <div class="col-md-2 d-grid">
        <button class="btn btn-danger" id="issue_submit_btn">Выдать</button>
      </div>
    </form>
  </div>
</div>

<div class="card mb-3 d-none" id="orderFormCard">
  <div class="card-body">
    <h5 class="card-title mb-2">Заказ картриджа</h5>
    <form method="post" action="/order_by_model" class="row g-2 align-items-center">
      <div class="col-md-5">
        <input name="model" class="form-control" placeholder="Модель картриджа">
      </div>
      <div class="col-md-3">
        <input name="quantity" class="form-control" placeholder="Кол-во" value="1">
      </div>
      <div class="col-md-2 d-grid">
        <button class="btn btn-success">Заказать</button>
      </div>
    </form>
  </div>
</div>

<div class="card mb-3 d-none" id="issueCancelCard">
  <div class="card-body">
    <h5 class="card-title mb-2">Отмена выдачи</h5>
    <div class="text-muted mb-2">Выдачи за последние 7 дней (нажмите на строку, чтобы отменить)</div>
    <div class="table-responsive">
      <table class="excel-table issues-table">
        <thead>
          <tr>
            <th>Дата</th><th>Штрихкод</th><th>Модель</th><th>Кол-во</th><th>Кабинет</th>
          </tr>
        </thead>
        <tbody id="issuesTableBody">
          <tr><td colspan="5">Загрузка...</td></tr>
        </tbody>
      </table>
    </div>
  </div>
</div>

<form method="post" action="/add" class="row g-2 mb-3">
  <input name="barcode" class="form-control col" placeholder="Штрихкод">
  <input name="model" class="form-control col" placeholder="Модель">
  <input name="quantity" class="form-control col" placeholder="Кол-во">
  <button class="btn btn-success col">Добавить</button>
</form>

<script>
  // Автоподсказка: по введённому/отсканированному штрихкоду показываем модель и остаток.
  (function() {
    const barcodeEl = document.getElementById('issue_barcode');
    const modelEl = document.getElementById('issue_model');
    const hintEl = document.getElementById('issue_hint');
    const cabinetEl = document.getElementById('issue_cabinet');
    const submitBtn = document.getElementById('issue_submit_btn');
    const defaultCabinetOptions = cabinetEl ? cabinetEl.innerHTML : '';

    if (!barcodeEl || !modelEl || !hintEl) return;

    function resetCabinets() {
      if (!cabinetEl) return;
      cabinetEl.innerHTML = defaultCabinetOptions;
      cabinetEl.disabled = false;
      if (submitBtn) submitBtn.disabled = false;
    }

    function applyCabinets(cabinets) {
      if (!cabinetEl) return;
      const values = Array.isArray(cabinets) ? cabinets.filter(Boolean) : [];
      if (!values.length) {
        cabinetEl.innerHTML = '<option value="">Нет привязанных кабинетов</option>';
        cabinetEl.disabled = true;
        if (submitBtn) submitBtn.disabled = true;
        return;
      }
      const options = ['<option value="">Выберите кабинет...</option>']
        .concat(values.map((name) => `<option value="${name}">${name}</option>`));
      cabinetEl.innerHTML = options.join('');
      cabinetEl.disabled = false;
      if (submitBtn) submitBtn.disabled = false;
    }

    let last = '';
    async function lookup() {
      const barcode = (barcodeEl.value || '').trim();
      if (!barcode) {
        resetCabinets();
        return;
      }
      if (barcode === last) return;
      last = barcode;

      modelEl.value = '';
      hintEl.textContent = 'Ищу...';

      try {
        const res = await fetch(`/api/cartridge?barcode=${encodeURIComponent(barcode)}`);
        if (!res.ok) {
          hintEl.textContent = 'Ошибка запроса';
          return;
        }
        const data = await res.json();
        if (!data.found) {
          hintEl.textContent = 'Не найдено (проверь штрихкод)';
          resetCabinets();
          return;
        }
        modelEl.value = data.model || '';
        hintEl.textContent = `Остаток: ${data.quantity}`;
        applyCabinets(data.allowed_cabinets || []);
      } catch (e) {
        hintEl.textContent = 'Ошибка сети';
        resetCabinets();
      }
    }

    // Сканер обычно вводит строку очень быстро и жмёт Enter.
    barcodeEl.addEventListener('input', () => {
      // небольшой debounce
      window.clearTimeout(window.__barcodeTimer);
      window.__barcodeTimer = window.setTimeout(lookup, 120);
    });
    barcodeEl.addEventListener('keydown', (e) => {
      if (e.key === 'Enter') {
        // не мешаем сабмиту, но успеваем обновить подсказку
        lookup();
      }
    });
  })();
</script>

<script>
  (function() {
    const toggleBtn = document.getElementById('toggleOrderForm');
    const card = document.getElementById('orderFormCard');
    if (!toggleBtn || !card) return;
    toggleBtn.addEventListener('click', () => {
      card.classList.toggle('d-none');
    });
  })();
</script>

<script>
  (function() {
    const toggleBtn = document.getElementById('toggleIssueCancel');
    const card = document.getElementById('issueCancelCard');
    const tbody = document.getElementById('issuesTableBody');
    if (!toggleBtn || !card || !tbody) return;

    let loaded = false;

    function clearActionRow() {
      const existing = tbody.querySelector('.row-actions');
      if (existing) existing.remove();
    }

    function renderRows(items) {
      tbody.innerHTML = '';
      if (!items.length) {
        tbody.innerHTML = '<tr><td colspan="5">Нет выдач за последнюю неделю</td></tr>';
        return;
      }
      items.forEach((item) => {
        const tr = document.createElement('tr');
        tr.className = 'js-issue-row';
        tr.dataset.movementId = item.id;
        tr.dataset.barcode = item.barcode || '';
        tr.dataset.model = item.model || '';
        tr.dataset.qty = item.quantity || 0;
        tr.dataset.cabinet = item.cabinet || '';
        tr.innerHTML = `<td>${item.date || ''}</td>
          <td>${item.barcode || ''}</td>
          <td>${item.model || ''}</td>
          <td>${item.quantity || ''}</td>
          <td>${item.cabinet || ''}</td>`;
        tbody.appendChild(tr);
      });

      const rows = tbody.querySelectorAll('.js-issue-row');
      rows.forEach((row) => {
        row.addEventListener('click', (e) => {
          if (e.target.closest('button, input, select, textarea, a')) return;
          clearActionRow();
          const movementId = row.dataset.movementId || '';
          if (!movementId) return;
          const actionRow = document.createElement('tr');
          actionRow.className = 'row-actions show';
          actionRow.innerHTML = `<td colspan="5">
            <div class="row-actions__inner" style="max-height:60px;opacity:1;transform:translateY(0)">
              <form method="post" action="/cartridges/issue/cancel" class="d-inline">
                <input type="hidden" name="movement_id" value="${movementId}">
                <button class="btn btn-sm btn-outline-danger" type="submit">Отменить выдачу</button>
              </form>
            </div>
          </td>`;
          row.insertAdjacentElement('afterend', actionRow);
        });
      });
    }

    async function loadIssues() {
      tbody.innerHTML = '<tr><td colspan="5">Загрузка...</td></tr>';
      try {
        const res = await fetch('/api/cartridge/issues/recent');
        if (!res.ok) throw new Error('bad status');
        const data = await res.json();
        renderRows((data && data.items) || []);
      } catch (e) {
        tbody.innerHTML = '<tr><td colspan="5">Ошибка загрузки</td></tr>';
      }
    }

    toggleBtn.addEventListener('click', () => {
      card.classList.toggle('d-none');
      if (!card.classList.contains('d-none') && !loaded) {
        loaded = true;
        loadIssues();
      }
    });

    tbody.addEventListener('submit', async (e) => {
      const form = e.target.closest('form');
      if (!form || !form.action.includes('/cartridges/issue/cancel')) return;
      e.preventDefault();
      const fd = new FormData(form);
      try {
        const res = await fetch(form.action, { method: 'POST', body: fd });
        if (!res.ok) throw new Error('bad status');
        await loadIssues();
      } catch (err) {
        alert('Не удалось отменить выдачу');
      }
    });
  })();
</script>
{% endif %}

{% if session.get('role') == 'admin' %}
<script>
  window.addEventListener('DOMContentLoaded', () => {
    const rows = document.querySelectorAll('.js-cartridge-row');
    if (!rows.length) return;
    const modal = document.getElementById('cartridgeEditModal');
    const form = document.getElementById('cartridgeEditForm');
    if (!modal || !form) return;
    const modalFields = {
      barcode: document.getElementById('cartModalBarcode'),
      model: document.getElementById('cartModalModel'),
      quantity: document.getElementById('cartModalQuantity'),
    };

    function closeModal() {
      modal.classList.remove('show');
      modal.setAttribute('aria-hidden', 'true');
    }

    function openModal() {
      modal.classList.add('show');
      modal.setAttribute('aria-hidden', 'false');
    }

    function fillModalFromRow(row) {
      const barcode = row.getAttribute('data-barcode') || '';
      const model = row.getAttribute('data-model') || '';
      const quantity = row.getAttribute('data-quantity') || '';
      if (!barcode) return false;
      modalFields.barcode.value = barcode;
      modalFields.model.value = model;
      modalFields.quantity.value = quantity;
      return true;
    }

    modal.addEventListener('click', (e) => {
      if (e.target === modal || e.target.hasAttribute('data-modal-close')) {
        closeModal();
      }
    });

    function showActionRow(row) {
      const existing = row.parentElement.querySelector('.row-actions');
      if (existing) existing.remove();
      const barcode = row.getAttribute('data-barcode') || '';
      const actionRow = document.createElement('tr');
      actionRow.className = 'row-actions';
      actionRow.innerHTML = `<td colspan="3">
        <div class="row-actions__inner">
          <button type="button" class="btn btn-sm btn-outline-primary js-open-cart-modal">Редактировать</button>
          <form method="post" action="/cartridges/delete" class="d-inline ms-2">
            <input type="hidden" name="barcode" value="${barcode}">
            <button class="btn btn-sm btn-outline-danger" type="submit">Удалить</button>
          </form>
        </div>
      </td>`;
      row.insertAdjacentElement('afterend', actionRow);
      const btn = actionRow.querySelector('.js-open-cart-modal');
      btn.addEventListener('click', () => {
        if (fillModalFromRow(row)) openModal();
      });
      requestAnimationFrame(() => actionRow.classList.add('show'));
    }

    rows.forEach((row) => {
      row.addEventListener('click', (e) => {
        if (e.target.closest('button, input, select, textarea, a')) return;
        showActionRow(row);
      });
      row.addEventListener('dblclick', (e) => {
        if (e.target.closest('button, input, select, textarea, a')) return;
        if (fillModalFromRow(row)) openModal();
      });
    });
  });
</script>
{% endif %}

<table class="table table-striped">
<tr>
<th>Штрихкод</th><th>Модель</th><th>Остаток</th>
</tr>
{% for b,m,q,minq in items %}
{% set model_key = (m or '')|trim|lower %}
<tr class="js-cartridge-row {{ 'table-danger' if (q < minq) or (model_key in orphan_model_keys) else '' }}"
    data-barcode="{{ b }}"
    data-model="{{ m or '' }}"
    data-quantity="{{ q }}">
<td>{{ b }}</td><td>{{ m }}</td><td>{{ q }}</td>
</tr>
{% endfor %}
</table>

{% if session.get('role') == 'admin' %}
<div class="edit-modal" id="cartridgeEditModal" aria-hidden="true">
  <div class="edit-modal__dialog">
    <div class="edit-modal__header">
      <h4 class="edit-modal__title">Редактирование картриджа</h4>
      <button type="button" class="btn btn-sm btn-outline-secondary" data-modal-close>Закрыть</button>
    </div>
    <form method="post" action="/cartridges/edit" id="cartridgeEditForm">
      <div class="row g-2">
        <div class="col-md-4">
          <input name="barcode" id="cartModalBarcode" class="form-control" placeholder="Штрихкод" readonly>
        </div>
        <div class="col-md-4">
          <input name="model" id="cartModalModel" class="form-control" placeholder="Модель">
        </div>
        <div class="col-md-4">
          <input name="quantity" id="cartModalQuantity" class="form-control" placeholder="Остаток">
        </div>
      </div>
      <div class="edit-modal__footer">
        <button type="button" class="btn btn-outline-secondary" data-modal-close>Отмена</button>
        <button class="btn btn-primary">Сохранить</button>
      </div>
    </form>
  </div>
</div>
{% endif %}
{% endblock %}