{% extends "base.html" %}
{% block breadcrumbs %} › Versions{% endblock %}
{% block title %}Versions — {{ site_title }}{% endblock %}

{% block content %}
<h1>Versions</h1>
<p class="subtitle">Trained model artifacts and materialised dataset snapshots.</p>

<div class="card">
  <h2>Model versions</h2>
  {% if versions %}
  <div class="scroll">
  <table>
    <thead><tr><th>Model</th><th>Version</th><th>Stage</th><th>Metrics</th><th>Created</th><th>Promote</th></tr></thead>
    <tbody>
      {% for v in versions %}
      <tr>
        <td><a href="{{ admin_url }}/o/{{ v.label }}">{{ v.label }}</a></td>
        <td class="num">v{{ v.version }}</td>
        <td><span class="tag {{ v.stage }}">{{ v.stage }}</span></td>
        <td class="mono">{% for k, val in (v.metrics or {}).items() %}{{ k }}={{ val | number }} {% endfor %}</td>
        <td>{{ v.created_at.strftime('%Y-%m-%d %H:%M') }}</td>
        <td>
          <form method="post" action="{{ admin_url }}/versions/{{ v.id }}/promote" style="display:flex; gap:0.35rem">
            <select name="stage">
              {% for s in stages %}<option value="{{ s }}" {% if v.stage == s %}selected{% endif %}>{{ s }}</option>{% endfor %}
            </select>
            <button type="submit">Set</button>
          </form>
        </td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
  </div>
  {% else %}<p class="empty">No model versions registered.</p>{% endif %}
</div>

<div class="card">
  <h2>Dataset versions</h2>
  {% if datasets %}
  <div class="scroll">
  <table>
    <thead><tr><th>Dataset</th><th>Version</th><th>Rows</th><th>Schema</th><th>Content</th><th>Notes</th><th>Created</th></tr></thead>
    <tbody>
      {% for d in datasets %}
      <tr>
        <td><a href="{{ admin_url }}/o/{{ d.label }}">{{ d.label }}</a></td>
        <td class="num">v{{ d.version }}</td>
        <td class="num">{{ d.row_count | number }}</td>
        <td class="mono">{{ d.fingerprint }}</td>
        <td class="mono">{{ (d.content_hash or '')[:12] }}</td>
        <td>{{ d.notes | short(40) }}</td>
        <td>{{ d.created_at.strftime('%Y-%m-%d %H:%M') }}</td>
      </tr>
      {% endfor %}
    </tbody>
  </table>
  </div>
  {% else %}<p class="empty">Nothing materialised yet.</p>{% endif %}
</div>
{% endblock %}