{% extends 'base.html' %}
{% block title %}Assets – IT Asset Management{% endblock %}
{% block breadcrumb %}
  <li class="breadcrumb-item"><a href="{{ url_for('dashboard.index') }}">Home</a></li>
  <li class="breadcrumb-item active">Assets</li>
{% endblock %}

{% block content %}
<div class="page-header d-flex align-items-center justify-content-between mb-4">
  <h1><i class="bi bi-laptop me-2"></i>Assets</h1>
  <a href="{{ url_for('assets.create') }}" class="btn btn-primary btn-sm">
    <i class="bi bi-plus-circle me-1"></i>Add Asset
  </a>
</div>

<!-- Dell Service Tag Quick Import -->
<div class="card border-0 shadow-sm mb-4" id="dellLookupCard">
  <div class="card-body py-3">
    <div class="d-flex align-items-center gap-2 flex-wrap">
      <span class="fw-semibold text-nowrap">
        <i class="bi bi-search me-1 text-primary"></i>Dell Quick Import
      </span>
      <span class="text-muted small text-nowrap">Enter a service tag to open the asset form pre-filled:</span>
      <div class="input-group input-group-sm" style="max-width:220px;">
        <input type="text" id="dellTagInput" class="form-control text-uppercase"
               placeholder="e.g. ABC1234" maxlength="20"
               style="text-transform:uppercase; letter-spacing:.05em;">
        <button class="btn btn-outline-primary" id="dellLookupBtn" type="button">
          <i class="bi bi-cloud-download me-1"></i>Lookup
        </button>
      </div>
      <div id="dellLookupSpinner" class="spinner-border spinner-border-sm text-primary d-none" role="status">
        <span class="visually-hidden">Loading…</span>
      </div>
      <span class="text-muted small ms-auto">
        <i class="bi bi-info-circle me-1"></i>
        Full auto-fill available with a
        <a href="https://tdm.dell.com" target="_blank" class="text-decoration-none">free Dell TechDirect API key</a>
      </span>
    </div>

    <!-- Result preview (hidden until data arrives) -->
    <div id="dellLookupResult" class="mt-3 d-none">
      <div class="alert mb-2 py-2 d-flex align-items-start gap-3" id="dellResultBody">
        <i class="bi bi-pc-display-horizontal fs-4 flex-shrink-0 mt-1" id="dellResultIcon"></i>
        <div class="flex-grow-1">
          <div class="fw-semibold mb-1" id="dellResultTitle"></div>
          <div class="row row-cols-2 row-cols-md-4 g-1 small" id="dellResultMeta"></div>
        </div>
        <div class="d-flex flex-column gap-1 flex-shrink-0">
          <a id="dellCreateBtn" href="#" class="btn btn-sm btn-primary">
            <i class="bi bi-plus-circle me-1"></i>Create Asset
          </a>
          <a id="dellSupportLink" href="#" target="_blank" class="btn btn-sm btn-outline-secondary d-none">
            <i class="bi bi-box-arrow-up-right me-1"></i>View on Dell
          </a>
        </div>
      </div>
    </div>

    <!-- Error area -->
    <div id="dellLookupError" class="alert alert-warning mt-2 py-2 d-none small mb-0"></div>
  </div>
</div>

<!-- Filters -->
<form method="GET" class="row g-2 mb-3">
  <div class="col-md-4">
    <div class="input-group input-group-sm">
      <span class="input-group-text"><i class="bi bi-search"></i></span>
      <input type="text" name="q" class="form-control" placeholder="Search SN, service tag, brand, model…" value="{{ q }}">
    </div>
  </div>
  <div class="col-md-2">
    <select name="status" class="form-select form-select-sm">
      <option value="">All statuses</option>
      {% for val, label in asset_statuses %}
      <option value="{{ val }}" {% if status_filter == val %}selected{% endif %}>{{ label }}</option>
      {% endfor %}
    </select>
  </div>
  <div class="col-md-2">
    <select name="asset_type" class="form-select form-select-sm">
      <option value="">All types</option>
      {% for t in asset_types %}
      <option value="{{ t }}" {% if type_filter == t %}selected{% endif %}>{{ t }}</option>
      {% endfor %}
    </select>
  </div>
  <div class="col-auto">
    <button type="submit" class="btn btn-sm btn-primary">Filter</button>
    <a href="{{ url_for('assets.index') }}" class="btn btn-sm btn-outline-secondary">Clear</a>
  </div>
</form>

<div class="card border-0 shadow-sm">
  <div class="table-responsive">
    <table class="table table-hover mb-0">
      <thead class="table-light">
        <tr>
          <th>Type</th>
          <th>Brand / Model</th>
          <th>Serial Number</th>
          <th>Service Tag</th>
          <th>Status</th>
          <th>Assigned To</th>
          <th>Warranty</th>
          <th></th>
        </tr>
      </thead>
      <tbody>
        {% for a in pagination.items %}
        <tr>
          <td><span class="badge bg-secondary">{{ a.asset_type }}</span></td>
          <td>{{ a.brand or '' }} {{ a.model or '' }}</td>
          <td><code>{{ a.serial_number }}</code></td>
          <td><code>{{ a.service_tag or '—' }}</code></td>
          <td>
            <span class="badge badge-{{ a.status }}">{{ a.status | title }}</span>
          </td>
          <td>
            {% if a.current_user %}
              <a href="{{ url_for('users.detail', user_id=a.current_user.id) }}">
                {{ a.current_user.display_name }}
              </a>
            {% else %}
              <span class="text-muted">—</span>
            {% endif %}
          </td>
          <td>
            {% if a.warranty_expiry %}
              <span class="{% if a.warranty_expiry < today %}text-danger{% else %}text-success{% endif %}">
                {{ a.warranty_expiry.strftime('%d/%m/%Y') }}
              </span>
            {% else %}—{% endif %}
          </td>
          <td>
            <a href="{{ url_for('assets.detail', asset_id=a.id) }}"
               class="btn btn-sm btn-outline-secondary py-0 px-2">
              <i class="bi bi-eye"></i>
            </a>
          </td>
        </tr>
        {% else %}
        <tr><td colspan="8" class="text-center text-muted py-4">No assets found.</td></tr>
        {% endfor %}
      </tbody>
    </table>
  </div>

  {% if pagination.pages > 1 %}
  <div class="card-footer bg-white d-flex justify-content-between align-items-center py-2">
    <small class="text-muted">Showing {{ pagination.first }}–{{ pagination.last }} of {{ pagination.total }}</small>
    <nav>
      <ul class="pagination pagination-sm mb-0">
        {% if pagination.has_prev %}
          <li class="page-item">
            <a class="page-link" href="{{ url_for('assets.index', page=pagination.prev_num, q=q, status=status_filter, asset_type=type_filter) }}">‹</a>
          </li>
        {% endif %}
        {% for p in pagination.iter_pages(left_edge=1, right_edge=1, left_current=2, right_current=2) %}
          {% if p %}
            <li class="page-item {% if p == pagination.page %}active{% endif %}">
              <a class="page-link" href="{{ url_for('assets.index', page=p, q=q, status=status_filter, asset_type=type_filter) }}">{{ p }}</a>
            </li>
          {% else %}
            <li class="page-item disabled"><span class="page-link">…</span></li>
          {% endif %}
        {% endfor %}
        {% if pagination.has_next %}
          <li class="page-item">
            <a class="page-link" href="{{ url_for('assets.index', page=pagination.next_num, q=q, status=status_filter, asset_type=type_filter) }}">›</a>
          </li>
        {% endif %}
      </ul>
    </nav>
  </div>
  {% endif %}
</div>
{% endblock %}

{% block extra_head %}
<script>
  // make today available for warranty colour
  const today = new Date().toISOString().slice(0, 10);
</script>
{% endblock %}

{% block extra_js %}
<script>
(function () {
  const input   = document.getElementById('dellTagInput');
  const btn     = document.getElementById('dellLookupBtn');
  const spinner = document.getElementById('dellLookupSpinner');
  const result  = document.getElementById('dellLookupResult');
  const errBox  = document.getElementById('dellLookupError');
  const title   = document.getElementById('dellResultTitle');
  const meta    = document.getElementById('dellResultMeta');
  const createBtn = document.getElementById('dellCreateBtn');

  function setLoading(on) {
    btn.disabled = on;
    spinner.classList.toggle('d-none', !on);
  }

  function showError(msg) {
    errBox.textContent = msg;
    errBox.classList.remove('d-none');
    result.classList.add('d-none');
  }

  function doLookup() {
    const tag = input.value.trim().toUpperCase();
    if (!tag) { input.focus(); return; }

    result.classList.add('d-none');
    errBox.classList.add('d-none');
    setLoading(true);

    fetch(`{{ url_for('assets.dell_lookup') }}?tag=${encodeURIComponent(tag)}`)
      .then(r => r.json().then(d => ({ ok: r.ok, status: r.status, data: d })))
      .then(({ ok, status, data }) => {
        setLoading(false);
        if (!ok) {
          if (status === 409 && data.existing_id) {
            errBox.innerHTML = `⚠ ${data.error} — <a href="/assets/${data.existing_id}">View asset</a>`;
            errBox.classList.remove('d-none');
          } else {
            showError(data.error || 'Lookup failed.');
          }
          return;
        }

        // Build preview
        const isPartial = data.source === 'partial';
        const resultBody = document.getElementById('dellResultBody');
        const resultIcon = document.getElementById('dellResultIcon');
        const supportLink = document.getElementById('dellSupportLink');

        resultBody.className = `alert mb-2 py-2 d-flex align-items-start gap-3 ${isPartial ? 'alert-warning' : 'alert-info'}`;
        resultIcon.className  = `bi bi-pc-display-horizontal fs-4 flex-shrink-0 mt-1 ${isPartial ? 'text-warning' : 'text-primary'}`;

        if (isPartial) {
          // Auto-open Dell's warranty page in a new tab so the user can read model + warranty
          if (data.support_url) window.open(data.support_url, '_blank', 'noopener');
          title.innerHTML = `Dell service tag <strong>${data.service_tag}</strong> &mdash; Dell&rsquo;s page opened in a new tab. Copy model &amp; warranty date into the form below.`;
          meta.innerHTML = `
            <div><span class="fw-medium">Brand:</span> Dell</div>
            <div><span class="fw-medium">OS:</span> ${data.operating_system}</div>
            <div><span class="fw-medium">Model:</span> <em class="text-muted">fill from Dell tab &rarr;</em></div>
            <div><span class="fw-medium">Warranty:</span> <em class="text-muted">fill from Dell tab &rarr;</em></div>`;
          supportLink.href = data.support_url;
          supportLink.classList.remove('d-none');
          createBtn.textContent = '';
          createBtn.innerHTML = '<i class="bi bi-plus-circle me-1"></i>Open Form';
        } else {
          title.textContent = `Dell ${data.model || data.service_tag}`;
          supportLink.href = data.support_url || '#';
          supportLink.classList.remove('d-none');
          const fields = [
            ['Type',       data.asset_type],
            ['Service Tag', data.service_tag],
            ['Serial',     data.serial_number || '—'],
            ['Warranty',   data.warranty_expiry || '—'],
            ['Purchased',  data.purchase_date || '—'],
            ['OS',         data.operating_system],
          ];
          meta.innerHTML = fields
            .map(([k, v]) => `<div><span class="fw-medium">${k}:</span> ${v || '—'}</div>`)
            .join('');
        }

        // Build "Create Asset" URL with pre-filled params
        const params = new URLSearchParams({
          service_tag:      data.service_tag || '',
          serial_number:    data.serial_number || '',
          brand:            data.brand || 'Dell',
          model:            data.model || '',
          asset_type:       data.asset_type || '',
          operating_system: data.operating_system || '',
          warranty_expiry:  data.warranty_expiry || '',
          purchase_date:    data.purchase_date || '',
        });
        createBtn.href = `{{ url_for('assets.create') }}?${params.toString()}`;
        result.classList.remove('d-none');
      })
      .catch(() => {
        setLoading(false);
        showError('Network error – could not reach the server.');
      });
  }

  btn.addEventListener('click', doLookup);
  input.addEventListener('keydown', e => { if (e.key === 'Enter') doLookup(); });
  input.addEventListener('input', () => {
    input.value = input.value.toUpperCase();
  });
})();
</script>
{% endblock %}