{% extends "app_home/base.html" %}
{% load static %}
{% load i18n %}

{% block navbar_app %}
{% include 'app_home/_sidebar.html' %}
{% endblock %}

{% block title %}
<h3>{% translate "Rename a keyname" %}</h3>
<p class="text-muted">{% translate "Rename an instance keyname and cascade the change to every instance referencing it. A dry run is always performed first." %}</p>
{% endblock %}


{% block content %}

<p>
  <a href="{% url 'app_home:admintools' %}" class="btn btn-outline-secondary btn-sm">
    <i class="fa fa-chevron-left"></i> {% translate "Admin tools" %}
  </a>
</p>

{% if not can_rename %}
<div class="alert alert-warning">
  {% translate "The p_keyname_rename permission is required to use this tool. Ask an administrator to grant it to one of your roles." %}
</div>
{% else %}

<div class="card mb-4">
  <div class="card-header">{% translate "Target" %}</div>
  <div class="card-body">

    <form method="post" action="{% url 'app_home:admintools_keyname' %}">
      {% csrf_token %}
      <input type="hidden" name="mode" value="dryrun">

      <div class="mb-3">
        <label for="cv-keyname-classname" class="form-label">{% translate "Schema" %}</label>
        <select class="form-select" id="cv-keyname-classname" name="classname" required>
          <option value="">{% translate "-- select a schema --" %}</option>
          {% for schema in schemas %}
          <option value="{{ schema.classname }}" {% if schema.classname == classname %}selected{% endif %}>
            {{ schema.classname }}{% if schema.displayname %} &mdash; {{ schema.displayname }}{% endif %}
          </option>
          {% endfor %}
        </select>
      </div>

      <div class="mb-3">
        <label for="cv-keyname-old" class="form-label">{% translate "Current keyname" %}</label>
        <input type="text" class="form-control cv-keyname-input" id="cv-keyname-old"
               name="oldkeyname" value="{{ oldkeyname }}" required>
      </div>

      <div class="mb-3">
        <label for="cv-keyname-new" class="form-label">{% translate "New keyname" %}</label>
        <input type="text" class="form-control cv-keyname-input" id="cv-keyname-new"
               name="newkeyname" value="{{ newkeyname }}" required>
      </div>

      <div class="border border-danger rounded cv-keyname-force mb-3">
        <div class="form-check">
          <input class="form-check-input" type="checkbox" value="true" id="cv-keyname-force"
                 name="force" {% if force %}checked{% endif %}>
          <label class="form-check-label text-danger fw-semibold" for="cv-keyname-force">
            {% translate "Force rename on a derived schema (user / group / role)" %}
          </label>
          <div class="text-muted cv-admintools-desc">
            {% translate "Renaming a user, group or role keyname changes an identity. Logins, group and role references elsewhere may break. Built-in identities (admin, role_admin, role_default) stay protected even with force." %}
          </div>
        </div>
      </div>

      <button type="submit" class="btn btn-primary">
        <i class="fa fa-search"></i> {% translate "Dry run" %}
      </button>
    </form>

  </div>
</div>

{% if report %}

{% if report.errors %}
<div class="alert alert-danger">
  <div class="fw-semibold mb-2">{% translate "The rename was not performed:" %}</div>
  <ul class="mb-0">
    {% for error in report.errors %}
    <li>{{ error }}</li>
    {% endfor %}
  </ul>
</div>
{% endif %}

<div class="card mb-4 {% if report.errors %}border-danger{% elif mode == 'real' %}border-success{% endif %}">
  <div class="card-header">
    {% if mode == 'real' %}{% translate "Rename result" %}{% else %}{% translate "Dry-run result" %}{% endif %}
    &mdash;
    <span class="cv-keyname-mono">{{ report.classname }}:{{ report.old_keyname }}</span>
    <i class="fa fa-arrow-right"></i>
    <span class="cv-keyname-mono">{{ report.new_keyname }}</span>
  </div>
  <div class="card-body">

    {% if not report.errors %}
    <table class="table table-sm cv-keyname-summary">
      <tbody>
        <tr>
          <th>{% translate "Mode" %}</th>
          <td>
            {% if report.dryrun %}
            <span class="badge bg-secondary">{% translate "dry run" %}</span>
            {% translate "nothing was written." %}
            {% else %}
            <span class="badge bg-success">{% translate "applied" %}</span>
            {% translate "changes are committed." %}
            {% endif %}
          </td>
        </tr>
        <tr>
          <th>{% translate "Target instance" %}</th>
          <td>
            {% if report.target_renamed %}
            {% translate "renamed" %}
            {% else %}
            {% translate "would be renamed" %}
            {% endif %}
          </td>
        </tr>
        <tr>
          <th>{% translate "Referrers scanned" %}</th>
          <td>{{ report.referrers_scanned }}</td>
        </tr>
        <tr>
          <th>{% translate "Referrers changed" %}</th>
          <td>
            {{ report.referrers_changed }}
            {% if report.referrers_by_classname %}
            <span class="text-muted">
              (
              {% for ref_classname, count in report.referrers_by_classname.items %}
              {{ ref_classname }}: {{ count }}{% if not forloop.last %}, {% endif %}
              {% endfor %}
              )
            </span>
            {% endif %}
          </td>
        </tr>
      </tbody>
    </table>
    {% endif %}

    {% if report.dryrun and not report.errors and report.referrers_changed > warn_referrers %}
    <div class="alert alert-warning">
      {% blocktranslate with count=report.referrers_changed %}{{ count }} instances would be rewritten. The real run is synchronous and may exceed the web request timeout — consider the cavaliba CLI or the /api/keyname/ endpoint instead.{% endblocktranslate %}
    </div>
    {% endif %}

    {% if report.referrer_detail %}
    <h6>{% translate "Affected fields" %}</h6>
    <div class="table-responsive">
      <table class="table table-sm table-striped cv-keyname-detail">
        <thead>
          <tr>
            <th>{% translate "Schema" %}</th>
            <th>{% translate "Instance" %}</th>
            <th>{% translate "Field" %}</th>
            <th>{% translate "Before" %}</th>
            <th>{% translate "After" %}</th>
          </tr>
        </thead>
        <tbody>
          {% for row in report.referrer_detail %}
          <tr>
            <td>{{ row.classname }}</td>
            <td class="cv-keyname-mono">{{ row.keyname }}</td>
            <td>{{ row.fieldname }}</td>
            <td class="cv-keyname-mono">{{ row.old_values|join:", " }}</td>
            <td class="cv-keyname-mono">{{ row.new_values|join:", " }}</td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    {% endif %}

  </div>

  {% if report.dryrun and not report.errors %}
  <div class="card-footer d-flex align-items-center gap-2">
    <form method="post" action="{% url 'app_home:admintools_keyname' %}" class="cv-form-inline">
      {% csrf_token %}
      <input type="hidden" name="mode" value="dryrun">
      <input type="hidden" name="classname" value="{{ report.classname }}">
      <input type="hidden" name="oldkeyname" value="{{ report.old_keyname }}">
      <input type="hidden" name="newkeyname" value="{{ report.new_keyname }}">
      {% if force %}<input type="hidden" name="force" value="true">{% endif %}
      <button type="submit" class="btn btn-outline-primary btn-sm">
        <i class="fa fa-refresh"></i> {% translate "New dry run" %}
      </button>
    </form>
    <button type="button" class="btn btn-danger btn-sm" data-bs-toggle="modal" data-bs-target="#keynameRealRunModal">
      <i class="fa fa-pencil"></i> {% translate "Run for real" %}
    </button>
    <span class="text-muted cv-admintools-desc">{% translate "The real run re-checks the dry run before writing." %}</span>
  </div>
  {% endif %}

</div>

{% if report.dryrun and not report.errors %}
<!-- Real run Confirmation Modal -->
<div class="modal fade" id="keynameRealRunModal" tabindex="-1" aria-labelledby="keynameRealRunLabel" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered">
    <div class="modal-content border-danger">
      <div class="modal-header bg-danger text-white">
        <h5 class="modal-title" id="keynameRealRunLabel">
          <i class="fa fa-exclamation-triangle"></i> {% translate "Confirm rename" %}
        </h5>
        <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
        <p>
          {% blocktranslate with classname=report.classname old=report.old_keyname new=report.new_keyname %}Rename {{ classname }}:{{ old }} to {{ new }}?{% endblocktranslate %}
        </p>
        <p class="mb-0">
          {% blocktranslate with count=report.referrers_changed %}{{ count }} referring instances will be rewritten. There is no undo other than renaming back.{% endblocktranslate %}
        </p>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{% translate "Cancel" %}</button>
        <form method="post" action="{% url 'app_home:admintools_keyname' %}" class="cv-form-inline">
          {% csrf_token %}
          <input type="hidden" name="mode" value="real">
          <input type="hidden" name="classname" value="{{ report.classname }}">
          <input type="hidden" name="oldkeyname" value="{{ report.old_keyname }}">
          <input type="hidden" name="newkeyname" value="{{ report.new_keyname }}">
          {% if force %}<input type="hidden" name="force" value="true">{% endif %}
          <button type="submit" class="btn btn-danger">{% translate "Confirm rename" %}</button>
        </form>
      </div>
    </div>
  </div>
</div>
{% endif %}

{% endif %}{# report #}

{% endif %}{# can_rename #}

{% endblock %}