{# SPDX-FileCopyrightText: 2025 Marcin Zieba <marcinpsk@gmail.com> #}
{# SPDX-License-Identifier: Apache-2.0 #}
{% extends "generic/object.html" %}
{% load helpers %}

{% block content %}
<div class="row">
  <div class="col-md-12">

    {% if not plugin_available %}
      <div class="alert alert-warning" role="alert">
        <i class="mdi mdi-alert-outline" aria-hidden="true"></i>
        The NetBox DHCP plugin (<code>netbox_dhcp</code>) is not installed. This tab has no effect.
      </div>
    {% else %}

      <div class="card mb-3">
        <h5 class="card-header">Sync to DHCP plugin</h5>
        <div class="card-body">
          <p class="small text-muted mb-2">
            Import this server's live Kea configuration into the NetBox DHCP plugin. This includes
            subnets, pools, reservations, supported settings, client classes, and DHCP options.
            The import reads Kea without changing it. You can run the import more than once.
          </p>
          <div class="d-flex align-items-center gap-2 mb-2">
            <i class="mdi mdi-information-outline" aria-hidden="true"></i>
            <h6 class="mb-0">Import mapping notes</h6>
          </div>
          <div class="row row-cols-1 row-cols-lg-3 g-2 mb-3">
            <div class="col">
              <div class="card h-100 border-warning">
                <div class="card-body p-3">
                  <h6 class="card-title d-flex align-items-center gap-2">
                    <span class="badge text-bg-warning">1</span>
                    Shared Network grouping
                  </h6>
                  <p class="card-text small mb-0">
                    Kea <strong>shared-networks</strong> define a DHCP link and subnet-selection domain.
                    They do not map to the DHCP plugin's <em>Shared Networks</em>. The DHCP plugin's
                    Shared Networks require an aggregate Prefix. Member Subnets are imported individually
                    and remain attached directly to the DHCP Server.
                  </p>
                </div>
              </div>
            </div>
            <div class="col">
              <div class="card h-100 border-warning">
                <div class="card-body p-3">
                  <h6 class="card-title d-flex align-items-center gap-2">
                    <span class="badge text-bg-warning">2</span>
                    Direct-interface mapping
                  </h6>
                  <p class="card-text small mb-0">
                    A direct-interface selector has a partial representation. When it resolves to a
                    NetBox device or virtual-machine interface, <code>DHCPServerInterface</code> can
                    represent that server attachment. It does not preserve Shared Network identity,
                    membership, relay selection, inherited settings or options, or allocation behavior.
                    NetBox Kea remains the authority for those facts.
                  </p>
                </div>
              </div>
            </div>
            <div class="col">
              <div class="card h-100 border-warning">
                <div class="card-body p-3">
                  <h6 class="card-title d-flex align-items-center gap-2">
                    <span class="badge text-bg-warning">3</span>
                    DHCP option mapping
                  </h6>
                  <p class="card-text small mb-0">
                    DHCP options are imported at supported scopes when the import can resolve a matching
                    standard or custom Option Definition. Unsupported options are skipped and reported.
                  </p>
                </div>
              </div>
            </div>
          </div>
          {% if can_sync %}
            <form method="post" action="{% url 'plugins:netbox_kea:server_dhcp_plugin_sync' object.pk %}">
              {% csrf_token %}
              <button type="submit" class="btn btn-sm btn-primary">
                <i class="mdi mdi-database-import-outline" aria-hidden="true"></i> Sync to DHCP plugin now
              </button>
            </form>
          {% else %}
            <span class="text-muted small">You need server change + IPAM add/change permissions to run this.</span>
          {% endif %}
        </div>
      </div>

      <div class="card">
        <h5 class="card-header">Drift &mdash; live Kea vs. imported records</h5>
        <div class="card-body p-0">
          {% if drift.kea_unreachable %}
            <div class="alert alert-warning m-3" role="alert">
              <i class="mdi mdi-alert-outline" aria-hidden="true"></i>
              Could not read live configuration from Kea for one or more versions; showing last-imported records where available.
            </div>
          {% endif %}
          {% if drift.versions %}
            <div class="table-responsive">
              <table class="table table-hover align-middle mb-0 drift-table">
                <thead>
                  <tr>
                    <th scope="col">Kea subnet-id</th>
                    <th scope="col">Prefix</th>
                    <th scope="col">Status</th>
                    <th scope="col">Pools</th>
                    <th scope="col">Reservations</th>
                  </tr>
                </thead>
                {% for v in drift.versions %}
                <tbody>
                  <tr class="table-secondary">
                    <th colspan="5" scope="rowgroup" class="px-3 py-2">DHCPv{{ v.version }}</th>
                  </tr>
                  {% for row in v.rows %}
                    <tr>
                      <td>{{ row.kea_subnet_id|placeholder }}</td>
                      <td>{{ row.cidr|placeholder }}</td>
                      <td>
                        {% if row.status == "imported" %}
                          <span class="badge text-bg-success">Imported</span>
                        {% elif row.status == "new" %}
                          <span class="badge text-bg-info">New in Kea</span>
                        {% elif row.status == "orphaned" %}
                          <span class="badge text-bg-warning">Orphaned (gone from Kea)</span>
                        {% else %}
                          <span class="badge text-bg-secondary">Unknown</span>
                        {% endif %}
                      </td>
                      <td>{{ row.pools }}</td>
                      <td>{{ row.reservations }}</td>
                    </tr>
                  {% empty %}
                    <tr><td colspan="5" class="text-muted">No subnets.</td></tr>
                  {% endfor %}
                </tbody>
                {% endfor %}
              </table>
            </div>
          {% else %}
            <p class="text-muted p-3 mb-0">No DHCP versions enabled on this server.</p>
          {% endif %}
        </div>
      </div>

    {% endif %}
  </div>
</div>
{% endblock %}