{% extends 'generic/object.html' %}
{% load helpers %}
{% load i18n %}

{% block title %}{{ object }} - {% trans "Drift Report" %}{% endblock %}

{% block extra_controls %}
  {% if perms.forward_netbox.run_forwardsync %}
    <form method="post" action="{% url 'plugins:forward_netbox:forwardsync_dependency_preview' pk=object.pk %}" class="d-inline">
      {% csrf_token %}
      <button type="submit" class="btn btn-primary">
        <i class="mdi mdi-refresh" aria-hidden="true"></i>&nbsp;{% trans "Preview Dependencies" %}
      </button>
    </form>
  {% endif %}
  <a class="btn btn-outline-secondary" href="{{ object.get_absolute_url }}">
    <i class="mdi mdi-arrow-left" aria-hidden="true"></i>&nbsp;{% trans "Sync" %}
  </a>
{% endblock extra_controls %}

{% block content %}
{% if drift_stale %}
  <div class="alert alert-warning d-flex align-items-center" role="alert">
    <i class="mdi mdi-alert me-2" aria-hidden="true"></i>
    <div>
      {% if drift_stale_newer_sync %}
        {% trans "This drift is computed from a dependency preview, but a newer sync has run since — the numbers below are stale." %}
      {% else %}
        {% trans "This drift is computed from a dependency preview that is over a day old — the numbers below may be stale." %}
      {% endif %}
      {% trans "Preview:" %} {{ preview_at|placeholder }} · {% trans "Last sync:" %} {{ last_sync_at|placeholder }}.
      {% trans "Re-run Preview Dependencies for current drift." %}
    </div>
  </div>
{% endif %}
{% if not report.comparison_available %}
  <div class="alert alert-info d-flex align-items-center" role="alert">
    <i class="mdi mdi-information-outline me-2" aria-hidden="true"></i>
    <div>
      {% trans "This dependency preview measures estimated apply workload, not object-level drift. In-sync status is not measured because fetched rows are change candidates, not confirmed mismatches." %}
    </div>
  </div>
{% endif %}
{% if report.looks_like_full_create %}
  <div class="alert alert-info d-flex align-items-center" role="alert">
    <i class="mdi mdi-information-outline me-2" aria-hidden="true"></i>
    <div>
      {% blocktrans with n=report.full_create_model_count total=report.model_count drift=report.total_drift %}Every model with data ({{ n }} of {{ total }}) shows all Forward rows as pending with no removals. That is the signature of a preview taken against an empty or unmerged NetBox — it is "everything Forward has," not {{ drift }} real mismatches.{% endblocktrans %}
      {% trans "If this is a first sync it is expected; otherwise re-run Preview Dependencies after a completed, merged sync." %}
    </div>
  </div>
{% endif %}
<div class="row mb-3">
  <div class="col col-md-4">
    <div class="card">
      <h5 class="card-header">{% trans "Drift Summary" %}</h5>
      <div class="card-body">
        <table class="table table-hover attr-table">
          <tr>
            <th scope="row">{% trans "In sync" %}</th>
            <td>
              {% if not report.comparison_available %}
                <span class="badge text-bg-secondary">{% trans "Not measured" %}</span>
              {% elif report.in_sync %}
                <span class="badge text-bg-success">{% trans "Yes" %}</span>
              {% else %}
                <span class="badge text-bg-warning">{% trans "No" %}</span>
              {% endif %}
            </td>
          </tr>
          <tr>
            <th scope="row">{% trans "Drifted models" %}</th>
            <td>{% if report.comparison_available %}{{ report.drifted_model_count }} / {{ report.model_count }}{% else %}{% trans "Not measured" %}{% endif %}</td>
          </tr>
          <tr>
            <th scope="row">{% trans "Total drift" %}</th>
            <td>{% if report.comparison_available %}{{ report.total_drift }}{% else %}{% trans "Not measured" %}{% endif %}</td>
          </tr>
          <tr>
            <th scope="row">{% trans "Estimated apply work" %}</th>
            <td>{{ report.total_apply_work }}</td>
          </tr>
          <tr>
            <th scope="row">{% trans "From preview" %}</th>
            <td>{{ report.generated_at|placeholder }}</td>
          </tr>
        </table>
      </div>
    </div>
  </div>
</div>
<div class="card">
  <h5 class="card-header">{% trans "Per-Model Drift (NetBox vs Forward)" %}</h5>
  <div class="table-responsive">
    <table class="table table-hover">
      <thead>
        <tr>
          <th>{% trans "Model" %}</th>
          <th>{% trans "Forward rows" %}</th>
          <th>{% trans "Upsert/change candidates" %}</th>
          <th>{% trans "Pending removals" %}</th>
          <th>{% trans "Estimated apply work" %}</th>
          <th>{% trans "Drift" %}</th>
          <th>{% trans "In sync" %}</th>
        </tr>
      </thead>
      <tbody>
        {% for row in report.models %}
          <tr>
            <td><code>{{ row.model }}</code></td>
            <td>{{ row.forward_rows|placeholder }}</td>
            <td>{{ row.pending_changes }}</td>
            <td>{{ row.pending_removes }}</td>
            <td>{{ row.estimated_apply_work }}</td>
            <td>{% if row.comparison_available %}{% if row.drift %}<strong class="text-warning">{{ row.drift }}</strong>{% else %}0{% endif %}{% else %}{% trans "Not measured" %}{% endif %}</td>
            <td>{% if not row.comparison_available %}<span class="badge text-bg-secondary">{% trans "Not measured" %}</span>{% elif row.in_sync %}<span class="badge text-bg-success">{% trans "Yes" %}</span>{% else %}<span class="badge text-bg-warning">{% trans "No" %}</span>{% endif %}</td>
          </tr>
        {% empty %}
          <tr><td colspan="7" class="text-muted">{% trans "No model results in the preview." %}</td></tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
</div>
{% endblock content %}