{% extends 'base/layout.html' %}
{% load i18n %}

{% block title %}{% trans "Import YAML Bundle" %}{% endblock %}

{% block content %}
<div class="row">
  <div class="col col-md-8 offset-md-2">

    {# ---- Messages ---- #}
    {% if messages %}
    <div class="mb-3">
      {% for message in messages %}
      <div class="alert alert-{{ message.tags|default:'info' }} alert-dismissible fade show" role="alert">
        {{ message }}
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
      </div>
      {% endfor %}
    </div>
    {% endif %}

    {# ---- Import form ---- #}
    <div class="card">
      <h5 class="card-header">{% trans "Import NSM Bundle (YAML)" %}</h5>
      <div class="card-body">
        <p class="text-muted mb-3">
          {% blocktrans %}
          Paste the YAML bundle below or upload a <code>.yaml</code> file.
          The bundle must use <strong>apiVersion: nsm/v1</strong> and <strong>kind: Bundle</strong>.
          No code is executed — only safe YAML parsing.
          {% endblocktrans %}
        </p>

        <form method="post" enctype="multipart/form-data">
          {% csrf_token %}

          <div class="mb-3">
            <label for="yaml_file" class="form-label fw-semibold">{% trans "Upload file (.yaml)" %}</label>
            <input type="file" class="form-control" id="yaml_file" name="yaml_file" accept=".yaml,.yml">
          </div>

          <div class="mb-3">
            <label for="yaml_text" class="form-label fw-semibold">{% trans "— or paste YAML —" %}</label>
            <textarea
              class="form-control font-monospace"
              id="yaml_text"
              name="yaml_text"
              rows="20"
              placeholder="apiVersion: nsm/v1&#10;kind: Bundle&#10;metadata:&#10;  description: &quot;&quot;&#10;items: []"
            >{{ yaml_text|default:'' }}</textarea>
          </div>

          <div class="mb-3 form-check">
            <input type="checkbox" class="form-check-input" id="update_existing" name="update_existing" value="1">
            <label class="form-check-label" for="update_existing">
              {% trans "Update existing objects (overwrite)" %}
            </label>
          </div>

          <div class="d-flex gap-2">
            <button type="submit" class="btn btn-primary">
              <i class="mdi mdi-upload"></i> {% trans "Import" %}
            </button>
            <a href="{% url 'plugins:netbox_nsm:object_custom_root' %}" class="btn btn-outline-secondary">
              {% trans "Cancel" %}
            </a>
          </div>
        </form>
      </div>
    </div>

    {# ---- Format reference ---- #}
    <div class="card mt-4">
      <h5 class="card-header">{% trans "Format Reference" %}</h5>
      <div class="card-body">
        <p class="mb-1 fw-semibold">{% trans "CustomType item" %}</p>
        <pre class="bg-light border rounded p-3 small">apiVersion: nsm/v1
kind: CustomType
spec:
  name: my-type          # unique name
  area: srcdst           # srcdst | services | action
  description: ""
  fields:
    - name: dns_name
      label: DNS Name
      type: text         # text | object_ref
      tab_group: Address Parameters
    - name: ipam_prefix
      label: Prefix
      type: object_ref
      model: ipam.Prefix
      selector: true
      tab_group: Address Parameters</pre>

        <p class="mb-1 fw-semibold mt-3">{% trans "CustomObject item" %}</p>
        <pre class="bg-light border rounded p-3 small">apiVersion: nsm/v1
kind: CustomObject
spec:
  custom_type: my-type   # must match an existing or bundled CustomType name
  name: my-object
  description: ""
  fields:
    dns_name: "server.example.com"
    ipam_prefix:
      __model: ipam.Prefix
      __str: "10.0.0.0/24"   # resolved by natural key during import
  table_data:
    - key: Owner
      value: John</pre>

        <p class="mb-1 fw-semibold mt-3">{% trans "Supported object_ref models" %}</p>
        <ul class="small mb-0">
          <li>ipam.Prefix, ipam.IPAddress, ipam.IPRange</li>
          <li>dcim.Device, dcim.Interface</li>
          <li>virtualization.VirtualMachine</li>
          <li>ipam.VLAN, tenancy.Tenant</li>
          <li>netbox_nsm.SecurityZone, netbox_nsm.CustomPrefix</li>
        </ul>
      </div>
    </div>

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