{% 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 latest_sync_evidence %}
  {% if latest_sync_evidence.status == "confirmation_required" %}
    <div class="alert alert-warning d-flex align-items-center" role="alert">
      <i class="mdi mdi-alert me-2" aria-hidden="true"></i>
      <div>
        {% trans "The latest completed sync applied changes, so convergence is not confirmed yet." %}
        {% trans "Run this sync again against the same snapshot; a completed run with zero changes and zero failures confirms convergence." %}
      </div>
    </div>
  {% elif latest_sync_evidence.status == "converged" %}
    <div class="alert alert-success d-flex align-items-center" role="alert">
      <i class="mdi mdi-check-circle me-2" aria-hidden="true"></i>
      <div>{% trans "Convergence confirmed: the latest completed sync applied zero changes with zero failures against the preview snapshot." %}</div>
    </div>
  {% elif latest_sync_evidence.status == "failed" %}
    <div class="alert alert-danger d-flex align-items-center" role="alert">
      <i class="mdi mdi-alert-circle me-2" aria-hidden="true"></i>
      <div>{% trans "The latest sync recorded failures and cannot confirm convergence. Resolve the failures, then rerun the same snapshot." %}</div>
    </div>
  {% elif latest_sync_evidence.status == "unsatisfiable_rows" %}
    <div class="alert alert-warning d-flex align-items-center" role="alert">
      <i class="mdi mdi-alert me-2" aria-hidden="true"></i>
      <div>
        {% blocktrans with n=latest_sync_evidence.skipped %}The latest sync merged and promoted its baseline, but {{ n }} row(s) were refused by NetBox validation rules and skipped.{% endblocktrans %}
        {% trans "Re-running cannot change a validation rejection, because the rule belongs to NetBox rather than the incoming data. The rows are recorded as ingestion issues; drift is measured, and convergence stays unconfirmed until they are resolved in NetBox." %}
      </div>
    </div>
  {% elif latest_sync_evidence.status == "incomplete" %}
    <div class="alert alert-warning d-flex align-items-center" role="alert">
      <i class="mdi mdi-progress-clock me-2" aria-hidden="true"></i>
      <div>{% trans "The latest ingestion is not completed, merged, and baseline-ready, so its counters cannot confirm convergence." %}</div>
    </div>
  {% elif latest_sync_evidence.status == "ownership_incomplete" %}
    <div class="alert alert-danger d-flex align-items-center" role="alert">
      <i class="mdi mdi-shield-alert me-2" aria-hidden="true"></i>
      <div>{% trans "The latest ingestion has not completed durable ownership reconciliation. Convergence remains blocked until the required post-merge ownership domains finish without conflicts." %}</div>
    </div>
  {% elif latest_sync_evidence.status == "snapshot_mismatch" %}
    <div class="alert alert-warning d-flex align-items-center" role="alert">
      <i class="mdi mdi-alert me-2" aria-hidden="true"></i>
      <div>{% trans "The latest completed sync had zero changes, but it used a different snapshot than this preview. Rerun the sync and preview against one snapshot before accepting convergence." %}</div>
    </div>
  {% elif latest_sync_evidence.status == "snapshot_unknown" %}
    <div class="alert alert-warning d-flex align-items-center" role="alert">
      <i class="mdi mdi-help-circle me-2" aria-hidden="true"></i>
      <div>{% trans "The latest completed sync had zero changes, but the snapshot match is unavailable. Rerun Preview Dependencies and the sync against one explicit snapshot." %}</div>
    </div>
  {% endif %}
{% 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 g-3 mb-3">
  <div class="col-12 col-lg-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 "Models compared" %}</th>
            <td>
              {{ report.measured_model_count }} / {{ report.model_count }}
              {% if report.measured_model_count == 0 %}
                {% if report.payload_predates_measurement %}
                  <div class="text-warning small mt-1">
                    {% trans "This preview was taken before drift measurement existed. Re-run Preview Dependencies to get real numbers." %}
                  </div>
                {% else %}
                  <div class="text-warning small mt-1">
                    {% trans "The preview ran but compared no models. This is a defect rather than a stale report - please send the preview JSON." %}
                  </div>
                {% endif %}
              {% elif report.unmeasured_model_count %}
                <div class="text-muted small mt-1">
                  {% trans "Not compared:" %} {{ report.unmeasured_models|join:", " }}
                </div>
              {% endif %}
            </td>
          </tr>
          {% if report.comparison_runtime_ms is not None %}
            <tr>
              <th scope="row">{% trans "Comparison cost" %}</th>
              <td>
                {{ report.comparison_runtime_ms|floatformat:0 }} ms
                {% if report.comparison_rows_compared %}
                  <span class="text-muted">
                    {% blocktrans with rows=report.comparison_rows_compared %}for {{ rows }} rows{% endblocktrans %}
                  </span>
                {% endif %}
                {% if report.slowest_compared_model %}
                  <div class="text-muted small mt-1">
                    {% blocktrans with model=report.slowest_compared_model.model ms=report.slowest_compared_model.runtime_ms|floatformat:0 %}Slowest: {{ model }} at {{ ms }} ms{% endblocktrans %}
                  </div>
                {% endif %}
              </td>
            </tr>
          {% endif %}
          <tr>
            <th scope="row">{% trans "Drifted models" %}</th>
            <td>{% if report.comparison_available %}{{ report.drifted_model_count }} / {{ report.measured_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>
  {% if latest_sync_evidence %}
    <div class="col-12 col-lg-8">
      <div class="card">
        <h5 class="card-header">{% trans "Latest Sync Evidence" %}</h5>
        <div class="card-body">
          <table class="table table-hover attr-table">
            <tr>
              <th scope="row">{% trans "Convergence" %}</th>
              <td>
                {% if latest_sync_evidence.convergence_confirmed %}
                  <span class="badge text-bg-success">{% trans "Confirmed" %}</span>
                {% elif latest_sync_evidence.status == "failed" %}
                  <span class="badge text-bg-danger">{% trans "Failed" %}</span>
                {% else %}
                  <span class="badge text-bg-warning">{% trans "Not confirmed" %}</span>
                {% endif %}
              </td>
            </tr>
            <tr>
              <th scope="row">{% trans "Sync snapshot" %}</th>
              <td><code>{{ latest_sync_evidence.snapshot_id|placeholder }}</code></td>
            </tr>
            <tr>
              <th scope="row">{% trans "Ownership" %}</th>
              <td>
                {% if latest_sync_evidence.ownership.complete %}
                  <span class="badge text-bg-success">{% trans "Current" %}</span>
                {% else %}
                  <span class="badge text-bg-danger">{% trans "Incomplete" %}</span>
                {% endif %}
              </td>
            </tr>
            <tr>
              <th scope="row">{% trans "Same as preview" %}</th>
              <td>
                {% if not latest_sync_evidence.snapshot_comparison_available %}
                  {% trans "Unknown" %}
                {% elif latest_sync_evidence.same_snapshot %}
                  {% trans "Yes" %}
                {% else %}
                  {% trans "No" %}
                {% endif %}
              </td>
            </tr>
            <tr><th scope="row">{% trans "Applied" %}</th><td>{{ latest_sync_evidence.applied }}</td></tr>
            <tr><th scope="row">{% trans "Created" %}</th><td>{{ latest_sync_evidence.created }}</td></tr>
            <tr><th scope="row">{% trans "Updated" %}</th><td>{{ latest_sync_evidence.updated }}</td></tr>
            <tr><th scope="row">{% trans "Deleted" %}</th><td>{{ latest_sync_evidence.deleted }}</td></tr>
            <tr><th scope="row">{% trans "Failed" %}</th><td>{{ latest_sync_evidence.failed }}</td></tr>
            <tr><th scope="row">{% trans "Skipped (rule rejections)" %}</th><td>{{ latest_sync_evidence.skipped }}</td></tr>
            <tr><th scope="row">{% trans "Completed" %}</th><td>{{ latest_sync_evidence.completed_at|placeholder }}</td></tr>
          </table>
        </div>
      </div>
    </div>
  {% endif %}
</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.label|default: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 %}