{% extends "base.html" %}
{% block title %}Genres — alembic{% endblock %}
{% block content %}
<h1>Genre review</h1>
<p class="muted">
  The weekly scheduled run still writes genres automatically (low-risk,
  reversible, GENRE_LOCK-protected) -- this shows what the last run changed.
</p>

<form method="post" action="/genres/scan">
  <label><input type="checkbox" name="force" value="true"> force (overwrite existing genres)</label>
  <button type="submit">Preview now (dry run)</button>
</form>

<h2>Last run</h2>
{% if latest_run %}
<p class="muted">{{ latest_run.mode }} — {{ candidates | length }} change(s)</p>
<table>
  <thead><tr><th>Artist</th><th>Title</th><th>Old genre</th><th>New genre</th><th></th></tr></thead>
  <tbody>
    {% for c in candidates %}
    <tr>
      <td>{{ c.artist }}</td>
      <td>{{ c.title }}</td>
      <td class="muted">{{ c.old_genre or '(empty)' }}</td>
      <td>{{ c.new_genre }}</td>
      <td>
        <form method="post" action="/genres/lock" style="display:inline">
          <input type="hidden" name="artist" value="{{ c.artist }}">
          <input type="hidden" name="genre" value="{{ c.old_genre or '' }}">
          <button type="submit" title="Revert to old genre and lock it">lock old genre</button>
        </form>
      </td>
    </tr>
    {% else %}
    <tr><td colspan="5" class="muted">No changes in the last run.</td></tr>
    {% endfor %}
  </tbody>
</table>
{% else %}
<p class="muted">No runs yet.</p>
{% endif %}
{% endblock %}