{% extends "base.html" %}
{% block content %}
<nav class="breadcrumb">
  <a href="/db">Databases</a>
  <span class="sep">/</span>
  <a href="/db/{{ db_name }}">{{ db_name }}</a>
  <span class="sep">/</span>
  <a href="/db/{{ db_name }}/{{ coll_name }}">{{ coll_name }}</a>
  <span class="sep">/</span>
  <span>schema</span>
</nav>

<form class="filter-form" method="get" action="/db/{{ db_name }}/{{ coll_name }}/schema">
  <div class="filter-controls">
    <label>
      Sample size
      <input type="number" name="sample_size" min="1" max="1000" value="{{ sample_size }}" />
    </label>
    <button type="submit">Re-sample</button>
  </div>
</form>

{% if error %}<div class="error">{{ error }}</div>{% endif %}

<p class="modal-meta">
  Walked <code>{{ summary.sample_size }}</code> sampled documents.
</p>

{% if summary.fields %}
  <table class="data-table">
    <thead>
      <tr>
        <th>Path</th>
        <th class="num">Presence</th>
        <th>Types</th>
        <th>Top values</th>
      </tr>
    </thead>
    <tbody>
      {% for f in summary.fields %}
        <tr>
          <td><code>{{ f.path }}</code></td>
          <td class="num">{{ "%.0f%%" | format(f.presence * 100) }}<br><span class="modal-meta">{{ f.count }}/{{ summary.sample_size }}</span></td>
          <td>
            {% for t, n in f.types %}
              <span class="badge">{{ t }} ({{ n }})</span>
            {% endfor %}
          </td>
          <td>
            {% for v, n in f.top_values %}
              <code class="action-pill">{{ v }} ({{ n }})</code>
            {% endfor %}
          </td>
        </tr>
      {% endfor %}
    </tbody>
  </table>
{% else %}
  <p class="empty">No fields seen — collection may be empty.</p>
{% endif %}
{% endblock %}