{% extends "base.html" %}
{% load i18n %}
{% load static %}
{% load operations %}
{% load django_bootstrap5 %}
{% load form_fields %}
{% block body_attrs %} data-error-focus="manual" data-submitted-form="{{ submitted_form }}"{% endblock %}
{% load bootstrap_icons %}
{% block title %}{% trans "Create new instance" %}{% endblock %}

{% block style %}
    <link href="{% static "css/tom-select.bootstrap5.min.css" %}" rel="stylesheet">
    <style>
        /* the chosen images and networks are listed below the pickers, not in them */
        #image-control + .ts-wrapper .ts-control > .item, #network-control + .ts-wrapper .ts-control > .item { display: none; }
    </style>
{% endblock %}

{% block page_heading %}
{% blocktrans with host=compute.name %}New instance on {{ host }} {% endblocktrans %}
{% endblock page_heading %}

{% block content %}
    {% include 'pleasewaitdialog.html' %}


    <div class="row">
        <div class="col-lg-12">
            <div role="tabpanel">
            <!-- Nav tabs -->
                <ul class="nav nav-tabs" role="tablist" aria-label="Instance create method">
                     <li class="nav-item" role="presentation">
                        <button class="nav-link float-end" data-bs-toggle="tab" data-bs-target="#" type="button" role="tab" aria-controls="go_compute" title="{% trans "Back" %}" onclick="goto_compute()">
                            <span>{% bs_icon 'arrow-left'%} </span>
                        </button>
                    </li>
                    <li class="nav-item" role="presentation">
                        <button class="nav-link active" data-bs-toggle="tab" data-bs-target="#flavor" type="button" role="tab" aria-controls="flavor" aria-selected="true">
                            {% trans "Flavor" %}
                        </button>
                    </li>
                    <li class="nav-item" role="presentation">
                        <button class="nav-link" data-bs-toggle="tab" data-bs-target="#addCustom" type="button" role="tab" aria-controls="addCustom" aria-selected="false">
                            {% trans "Custom" %}
                        </button>
                    </li>
                    <li class="nav-item" role="presentation">
                        <button class="nav-link" data-bs-toggle="tab" data-bs-target="#add-from-temp" type="button" role="tab" aria-controls="add-from-temp" aria-selected="false">
                            {% trans "Template" %}
                        </button>
                    </li>
                </ul>
                <!-- Tab panes -->
                <div class="tab-content">
                    <div role="tabpanel" class="tab-pane tab-pane-bordered active" id="flavor">
                        {% include 'create_flav_block.html' %}
                        <h3 class="page-header">{% trans "Create from flavor" %}</h3>
                        {% if not flavors %}
                            <div class="col-lg-12">
                                <div class="alert alert-warning shadow-sm">
                                    {% bs_icon 'exclamation-triangle'%}  <strong>{% trans "Warning" %}:</strong> {% trans "Hypervisor doesn't have any Flavors" %}
                                </div>
                            </div>
                        {% else %}
                            <div class="table-responsive">
                                <table class="table table-hover">
                                <thead>
                                <tr>
                                    <th scope="col">#</th>
                                    <th scope="col">{% trans "Name" %}</th>
                                    <th scope="col">{% trans "VCPU" %}</th>
                                    <th scope="col">{% trans "RAM" %}</th>
                                    <th scope="col">{% trans "HDD" %}</th>
                                    <th scope="colgroup" colspan="2">{% trans "Action" %}</th>
                                </tr>
                                </thead>
                                <tbody>
                                {% for flavor, form_id, vm_form in flavor_forms %}
                                    <tr>
                                        <td>{{ forloop.counter }}</td>
                                        <td>{{ flavor.label }}</td>
                                        <td>{{ flavor.vcpu }}</td>
                                        <td>{{ flavor.memory }} {% trans "MB" %}</td>
                                        <td>{{ flavor.disk }} {% trans "GB" %}</td>
                                        <td style="width:5px;">
                                            <div class="modal fade" id="addVMflavor{{ flavor.id }}" data-form-id="{{ form_id }}" tabindex="-1" role="dialog" aria-labelledby="addVMFlavorLabel" aria-hidden="true">
                                                <div class="modal-dialog">
                                                    <div class="modal-content">
                                                        <div class="modal-header">
                                                            <h5 class="modal-title">{% trans "Create Virtual Machine" %} ({{ flavor.label }})</h5>
                                                            <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                                                        </div>
                                                        <form method="post" role="form" aria-label="Create instance from flavor form">{% csrf_token %}{% submission_key %}
                                                            <input type="hidden" name="form_id" value="{{ form_id }}">
                                                            <div class="modal-body">
                                                                {% if submitted_form == form_id %}<div class="modal-messages">{% bootstrap_messages %}</div>{% endif %}
                                                                {% include "instances/form_errors.html" with form=vm_form %}
                                                                <div class="row">
                                                                    <label for="{{ form_id }}_name" class="col-sm-4 col-form-label">{% trans "Name" %}</label>
                                                                    <div class="col-sm-7">
                                                                        <input id="{{ form_id }}_name" type="text" class="form-control{{ vm_form.name|invalid }}" name="name" value="{{ vm_form.name.value|default_if_none:"" }}"
                                                                               placeholder="{% trans "Name" %}" maxlength="64" required
                                                                               pattern="[a-zA-Z0-9\.\-_]+"{% error_attrs vm_form.name form_id|add:"_name" %}>
                                                                               {% field_error vm_form.name form_id|add:"_name" %}
                                                                        <input type="hidden" name="vcpu" value="{{ vm_form.vcpu.value|default_if_none:"" }}">
                                                                        <input type="hidden" name="memory" value="{{ vm_form.memory.value|default_if_none:"" }}">
                                                                        <input type="hidden" name="hdd_size" value="{{ vm_form.hdd_size.value|default_if_none:"" }}">
                                                                    </div>
                                                                </div>
                                                                {% if firmwares %}
                                                                <div class="row">
                                                                    <label for="{{ form_id }}_firmware" class="col-sm-4 col-form-label">{% trans "Firmware" %}</label>
                                                                    <div class="col-sm-7">
                                                                        <select id="{{ form_id }}_firmware" class="form-select{{ vm_form.firmware|invalid }}" name="firmware"
                                                                                {% error_attrs vm_form.firmware form_id|add:"_firmware" %}>
                                                                            {% for frm in firmwares %}
                                                                            <option value="{{ frm }}" {% if frm == vm_form.firmware.value %}selected{% endif %}>{{ frm }}</option>
                                                                            {% endfor %}
                                                                        </select>
                                                                        {% field_error vm_form.firmware form_id|add:"_firmware" %}
                                                                    </div>
                                                                </div>
                                                                {% endif %}
                                                                {% if dom_caps.cpu_modes %}
                                                                <div class="row">
                                                                    <label for="{{ form_id }}_vcpu_mode" class="col-sm-4 col-form-label">{% trans "VCPU Config" %}</label>
                                                                    <div class="col-sm-7">
                                                                        <select id="{{ form_id }}_vcpu_mode" class="form-select{{ vm_form.vcpu_mode|invalid }}" name="vcpu_mode"
                                                                                {% error_attrs vm_form.vcpu_mode form_id|add:"_vcpu_mode" %}>
                                                                            <option value=""> {% trans 'no-mode' %}</option>
                                                                            {% for mode in dom_caps.cpu_modes %}
                                                                                {% if mode == 'custom' %}
                                                                                    <optgroup label="Custom CPU Models">
                                                                                        {% for model in dom_caps.cpu_custom_models %}
                                                                                        <option value="{{ model }}" {% if model == vm_form.vcpu_mode.value %}selected{% endif %}> {% trans model %}</option>
                                                                                        {% endfor %}
                                                                                    </optgroup>
                                                                                {% else %}
                                                                                    <option value="{{ mode }}" {% if mode == vm_form.vcpu_mode.value %}selected {% endif %}>
                                                                                        {% trans mode %}
                                                                                    </option>
                                                                                {% endif %}
                                                                            {% endfor %}
                                                                        </select>
                                                                        {% field_error vm_form.vcpu_mode form_id|add:"_vcpu_mode" %}
                                                                    </div>
                                                                </div>
                                                                {% endif %}
                                                                <div class="row">
                                                                    <label for="{{ form_id }}_storage" class="col-sm-4 col-form-label">{% trans "Storage" %}</label>
                                                                    <div class="col-sm-7">
                                                                        <select id="{{ form_id }}_storage" class="form-select{{ vm_form.storage|invalid }}" name="storage"
                                                                                {% error_attrs vm_form.storage form_id|add:"_storage" %}>
                                                                            {% if storages %}
                                                                                {% for storage in storages %}
                                                                                    <option value="{{ storage }}" {% if storage == vm_form.storage.value %}selected{% endif %}>{{ storage }}</option>
                                                                                {% endfor %}
                                                                            {% else %}
                                                                                <option value="">{% trans "None" %}</option>
                                                                            {% endif %}
                                                                        </select>
                                                                        {% field_error vm_form.storage form_id|add:"_storage" %}
                                                                    </div>
                                                                </div>
                                                                <div class="row">
                                                                    <label for="{{ form_id }}_networks" class="col-sm-4 col-form-label">{% trans "Network" %}</label>
                                                                    <div class="col-sm-7">
                                                                        <select id="{{ form_id }}_networks" class="form-select{{ vm_form.networks|invalid }}" name="networks"
                                                                                {% error_attrs vm_form.networks form_id|add:"_networks" %}>
                                                                            {% for network in networks %}
                                                                                <option value="{{ network }}" {% if network == vm_form.networks.value %}selected{% endif %}>{{ network }}</option>
                                                                            {% endfor %}
                                                                        </select>
                                                                        {% field_error vm_form.networks form_id|add:"_networks" %}
                                                                    </div>
                                                                </div>
                                                                 <div class="row">
                                                                    <label class="col-sm-4 col-form-label">{% trans "Advanced" %}</label>
                                                                    <div class="d-grid col-sm-7">
                                                                        <button class="btn btn-outline-light" type="button" title="{% trans "Advanced" %}" data-bs-toggle="collapse" data-bs-target="#flav-add-collapse-{{ flavor.id }}" aria-expanded="false" aria-controls="flav-add-collapse-{{ flavor.id }}">
                                                                            <span>{% bs_icon 'caret-down'%} </span>
                                                                        </button>
                                                                    </div>        
                                                                </div>
                                                                <div class="collapse" id="flav-add-collapse-{{ flavor.id }}">
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_mac" class="col-sm-4 col-form-label">{% trans "MAC" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <input id="{{ form_id }}_mac" type="text" class="form-control{{ vm_form.mac|invalid }}" name="mac"
                                                                                  value="{{ vm_form.mac.value|default_if_none:"" }}" maxlength="17" required pattern="[a-zA-Z0-9:]+"
                                                                                  {% error_attrs vm_form.mac form_id|add:"_mac" %}>
                                                                            {% field_error vm_form.mac form_id|add:"_mac" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_nwfilter" class="col-sm-4 col-form-label">{% trans "NWFilter" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_nwfilter" class="form-select{{ vm_form.nwfilter|invalid }}" name="nwfilter"
                                                                                    {% error_attrs vm_form.nwfilter form_id|add:"_nwfilter" %}>
                                                                                <option value="">{% trans "None" %}</option>
                                                                                {% for nwfilter in nwfilters %}
                                                                                    <option value="{{ nwfilter }}" {% if nwfilter == vm_form.nwfilter.value %}selected{% endif %}>{{ nwfilter }}</option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.nwfilter form_id|add:"_nwfilter" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_net_model" class="col-sm-4 col-form-label">{% trans "NIC Type" %} </label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_net_model" class="form-select{{ vm_form.net_model|invalid }}" name="net_model"
                                                                                    {% error_attrs vm_form.net_model form_id|add:"_net_model" %}>
                                                                                {% for model in net_models_host %}
                                                                                <option value="{{ model }}" {% if model == vm_form.net_model.value %} selected {% endif %}>{{ model }}</option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.net_model form_id|add:"_net_model" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_cache_mode" class="col-sm-4 col-form-label">{% trans "HDD cache mode" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_cache_mode" class="form-select{{ vm_form.cache_mode|invalid }}" name="cache_mode"
                                                                                    {% error_attrs vm_form.cache_mode form_id|add:"_cache_mode" %}>
                                                                                {% for mode, name in cache_modes %}
                                                                                    <option value="{{ mode }}" {% if mode == vm_form.cache_mode.value %}selected {% endif %}>
                                                                                    {% trans name %}</option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.cache_mode form_id|add:"_cache_mode" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_video" class="col-sm-4 col-form-label">{% trans "Video" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_video" class="form-select{{ vm_form.video|invalid }}" name="video"
                                                                                    {% error_attrs vm_form.video form_id|add:"_video" %}>
                                                                                {% if not videos %}
                                                                                    <option value="vga">vga</option>
                                                                                    <option value="cirrus">cirrus</option>
                                                                                {% endif %}
                                                                                {% for video in videos %}
                                                                                    <option value="{{ video }}" {% if video == vm_form.video.value %}selected{% endif %}>{{ video }}</option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.video form_id|add:"_video" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_listener_addr" class="col-sm-4 col-form-label">{% trans "Console Access" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_listener_addr" class="form-select{{ vm_form.listener_addr|invalid }}" name="listener_addr"
                                                                                    {% error_attrs vm_form.listener_addr form_id|add:"_listener_addr" %}>
                                                                                {% for addr, label in listener_addr %}
                                                                                    <option value="{{ addr }}" {% if addr == vm_form.listener_addr.value %} selected {% endif %}>{{ label }}</option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.listener_addr form_id|add:"_listener_addr" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_add_cdrom" class="col-sm-4 col-form-label">{% trans "Add CD-Rom" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_add_cdrom" class="form-select{{ vm_form.add_cdrom|invalid }}" name="add_cdrom"
                                                                                    {% error_attrs vm_form.add_cdrom form_id|add:"_add_cdrom" %}>
                                                                                <option value="None" {% if vm_form.add_cdrom.value == "None" %}selected{% endif %}>--{% trans "False" %}--</option>
                                                                                {% for bus in cdrom_buses %}
                                                                                    <option value="{{ bus }}" {% if bus == vm_form.add_cdrom.value %}selected {% endif %}>
                                                                                        {% trans bus %}
                                                                                    </option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.add_cdrom form_id|add:"_add_cdrom" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_add_input" class="col-sm-4 col-form-label">{% trans "Add Input Device" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <select id="{{ form_id }}_add_input" class="form-select{{ vm_form.add_input|invalid }}" name="add_input"
                                                                                    {% error_attrs vm_form.add_input form_id|add:"_add_input" %}>
                                                                                <option value="None" {% if vm_form.add_input.value == "None" %}selected{% endif %}>--{% trans "False" %}--</option>
                                                                                {% for bus in input_device_buses %}
                                                                                    <option value="{{ bus }}" {% if bus == vm_form.add_input.value %}selected{% endif %}>
                                                                                        {% trans bus %}
                                                                                    </option>
                                                                                {% endfor %}
                                                                            </select>
                                                                            {% field_error vm_form.add_input form_id|add:"_add_input" %}
                                                                        </div>
                                                                    </div>
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_qemu_ga" class="col-sm-4 col-form-label">{% trans "Guest Agent" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <input id="{{ form_id }}_qemu_ga" type="checkbox" name="qemu_ga" value="true"{% if vm_form.qemu_ga.value %} checked{% endif %}>
                                                                        </div>
                                                                    </div>
                                                                    {% if virtio_support %}
                                                                    <div class="row">
                                                                        <label for="{{ form_id }}_virtio" class="col-sm-4 col-form-label">{% trans "VirtIO" %}</label>
                                                                        <div class="col-sm-7">
                                                                            <input id="{{ form_id }}_virtio" type="checkbox" name="virtio" value="{{ virtio_support }}"{% if vm_form.virtio.value %} checked{% endif %}>
                                                                        </div>
                                                                    </div>
                                                                    {% endif %}
                                                                </div>
                                                        </div>
                                                        <div class="modal-footer">
                                                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{% trans "Close" %}</button>
                                                            {% if storages %}
                                                                <button type="submit" class="btn btn-primary" name="create">{% trans "Create" %}</button>
                                                            {% else %}
                                                                <button class="btn btn-primary disabled">{% trans "Create" %}</button>
                                                            {% endif %}
                                                        </div>
                                                            </form>
                                                    </div>
                                                </div>
                                            </div>
                                            <a data-bs-toggle="modal" href="#addVMflavor{{ flavor.id }}" class="btn btn-sm btn-secondary" title="{% trans "Create Virtual Machine" %}">
                                                <span >{% bs_icon 'plus'%} </span>
                                            </a>
                                        </td>
                                        <td style="width:5px;">
                                            <form action="{% url 'instances:flavor_delete' flavor.id %}" method="post" role="form" aria-label="Delete flavor form">
                                                {% csrf_token %}
                                                <button type="submit" class="btn btn-sm btn-secondary" name="delete_flavor" title="{% trans "Delete" %}" onclick="return confirm('{% trans "Are you sure?" %}')">
                                                    {% bs_icon 'trash' %}
                                                </button>
                                            </form>
                                        </td>
                                    </tr>
                                {% endfor %}
                                </tbody>
                            </table>
                        </div>
                        {% endif %}
                        <div class="clearfix"></div>
                    </div>

            <div role="tabpanel" class="tab-pane tab-pane-bordered" id="addCustom" data-form-id="custom">
                <div>
                    <form method="post" role="form" aria-label="Create custom instance form">{% csrf_token %}{% submission_key %}
                        <input type="hidden" name="form_id" value="custom">
                        {% if custom_lists %}{{ custom_lists|json_script:"custom-lists" }}{% endif %}
                    {% include "instances/form_errors.html" with form=custom_form %}
                    <div class="row">
                        <label for="custom_name" class="col-sm-3 col-form-label">{% trans "Name" %}</label>
                        <div class="col-sm-7">
                            <input id="custom_name" type="text" class="form-control{{ custom_form.name|invalid }}" name="name"
                                  value="{{ custom_form.name.value|default_if_none:"" }}" placeholder="{% trans "Name" %}" maxlength="64" required pattern="[a-zA-Z0-9\.\-_]+"
                                  {% error_attrs custom_form.name "custom_name" %}>
                            {% field_error custom_form.name "custom_name" %}
                        </div>
                    </div>
                    {% if firmwares %}
                        <div class="row">
                            <label for="select_firmware" class="col-sm-3 col-form-label">{% trans "Firmware" %}</label>
                            <div class="col-sm-7">
                                <select class="form-select{{ custom_form.firmware|invalid }}" id="select_firmware" name="firmware"
                                        {% error_attrs custom_form.firmware "select_firmware" %}>
                                    {% for frm in firmwares %}
                                    <option value="{{ frm }}" {% if frm == custom_form.firmware.value %}selected{% endif %}>{{ frm }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.firmware "select_firmware" %}
                            </div>
                        </div>
                    {% endif %}
                    <div class="row">
                        <label for="custom_vcpu" class="col-sm-3 col-form-label">{% trans "VCPU" %}</label>
                        <div class="col-sm-7">
                            <input id="custom_vcpu" type="text" class="form-control{{ custom_form.vcpu|invalid }}" name="vcpu"
                                  value="{{ custom_form.vcpu.value|default_if_none:"" }}" maxlength="2" required pattern="[0-9]"
                                  {% error_attrs custom_form.vcpu "custom_vcpu" %}>
                            {% field_error custom_form.vcpu "custom_vcpu" %}
                        </div>
                    </div>
                    {% if dom_caps.cpu_modes %}
                     <div class="row">
                        <label for="custom_vcpu_mode" class="col-sm-3 col-form-label">{% trans "VCPU Config" %}</label>
                        <div class="col-sm-7">
                            <select id="custom_vcpu_mode" class="form-select{{ custom_form.vcpu_mode|invalid }}" name="vcpu_mode"
                                    {% error_attrs custom_form.vcpu_mode "custom_vcpu_mode" %}>
                                <option value=""> {% trans 'no-mode' %}</option>
                                {% for mode in dom_caps.cpu_modes %}
                                    {% if mode == 'custom' %}
                                        <optgroup label="Custom CPU Models">
                                            {% for model in dom_caps.cpu_custom_models %}
                                            <option value="{{ model }}" {% if model == custom_form.vcpu_mode.value %}selected{% endif %}> {% trans model %}</option>
                                            {% endfor %}
                                        </optgroup>
                                    {% else %}
                                        <option value="{{ mode }}" {% if mode == custom_form.vcpu_mode.value %}selected {% endif %}>
                                            {% trans mode %}
                                        </option>
                                    {% endif %}
                                {% endfor %}
                            </select>
                            {% field_error custom_form.vcpu_mode "custom_vcpu_mode" %}
                        </div>
                    </div>
                    {% endif %}
                    <div class="row">
                        <label for="custom_memory" class="col-sm-3 col-form-label">{% trans "RAM" %}</label>
                        <div class="col-sm-7">
                            <input id="custom_memory" type="text" class="form-control{{ custom_form.memory|invalid }}" name="memory"
                                  value="{{ custom_form.memory.value|default_if_none:"" }}" maxlength="5" required pattern="[0-9]+"
                                  {% error_attrs custom_form.memory "custom_memory" %}>
                            {% field_error custom_form.memory "custom_memory" %}
                        </div>
                        <label class="col-sm-1 col-form-label">{% trans "MB" %}</label>
                    </div>
                    <div id="disk_list_div" class="row d-none">
                        <label class="col-sm-3 col-form-label" id="added_disks">{% trans "Added Disks" %}</label>
                        <div class="col-sm-7">
                         <ul id="img-list" class="row">
                              <!-- populated from javascript -->
                          </ul>
                          <template id="disk-row">
                              <li><span class="row-label"></span> -
                                  <select class="image-format disk-device" aria-label="{% trans "Device" %}">
                                      {% for dev in disk_devices %}<option value="{{ dev }}">{% trans dev %}</option>{% endfor %}
                                  </select>
                                  <select class="image-format disk-bus" aria-label="{% trans "Bus" %}">
                                      {% for bus in disk_buses %}<option value="{{ bus }}"{% if bus == default_bus %} selected{% endif %}>{% trans bus %}</option>{% endfor %}
                                  </select>
                                  -> <span class="row-item"></span>
                                  <button type="button" class="btn btn-link float-end row-remove" aria-label="{% trans "Remove" %}">X</button>
                              </li>
                          </template>
                        </div>
                    </div>
                    <div class="row">
                        <label for="storage-control" class="col-sm-3 col-form-label">{% trans "HDD" %}</label>
                        <input id="images" name="images" type="hidden" value=""/>
                        <div class="col-sm-3">
                            <select class="form-select" id="storage-control" name="storage-control" onchange="get_cust_vols({{ compute_id }}, value);">
                                {% if storages %}
                                    <option value disabled selected>{% trans "Select pool" %}...</option>
                                    {% for storage in storages %}
                                        <option value="{{ storage }}" >{{ storage }}</option>
                                    {% endfor %}
                                {% else %}
                                    <option value="">{% trans "None" %}</option>
                                {% endif %}
                            </select>
                        </div>
                        <div class="col-sm-4">
                            <select class="form-select" id="image-control" name="image-control" multiple="multiple" aria-label="{% trans "Images" %}">
                                <!-- populated from javascript -->
                            </select>
                        </div>
                    </div>
                    <div class="row">
                        <label for="network-control" class="col-sm-3 col-form-label">{% trans "Network" %}</label>
                        <div class="col-sm-7">
                            <ul id="net-list">
                                <!-- populated from javascript -->
                            </ul>
                            <template id="network-row">
                                <li><input type="text" class="input-xs" maxlength="17" required pattern="[a-zA-Z0-9:]+" aria-label="{% trans "MAC address" %}">
                                    <span class="row-label"></span> -> <span class="row-item"></span>
                                    <button type="button" class="btn btn-link float-end row-remove" aria-label="{% trans "Remove" %}">X</button>
                                </li>
                            </template>
                            <input id="networks" type="hidden" name="networks" value=""/>
                            <input id="custom_mac" type="hidden" name="mac" value=""/>
                            <select class="form-select" id="network-control" name="network-control" multiple="multiple" aria-label="{% trans "Networks" %}">
                                {% for network in networks %}
                                    <option value="{{ network }}">{{ network }}</option>
                                {% endfor %}
                            </select>
                        </div>
                    </div>
                    <div class="row">
                        <label class="col-sm-3 col-form-label">{% trans "Advanced" %}</label>
                        <div class="d-grid col-sm-7">
                            <button class="btn btn-outline-light" type="button" title="{% trans "Advanced" %}" data-bs-toggle="collapse" data-bs-target="#custadvcollapse" aria-expanded="false" aria-controls="custadvcollapse">
                                <span>{% bs_icon 'caret-down'%} </span>
                            </button>
                        </div>        
                    </div>
                    <div class="collapse" id="custadvcollapse">
                        <div class="row meta-prealloc">
                            <label for="custom_meta_prealloc" class="col-sm-3 col-form-label">{% trans "Disk Metadata" %}</label>
                            <div class="col-sm-7">
                                <input id="custom_meta_prealloc" type="checkbox" name="meta_prealloc" title="{% trans "Metadata preallocation" %}" value="true"{% if custom_form.meta_prealloc.value %} checked{% endif %}>
                            </div>
                            <label class="col-lg-1 col-form-label">{% trans "Image" %}</label>
                        </div>
                        <div class="row">
                            <label for="cache_mode" class="col-sm-3 col-form-label">{% trans "HDD Cache Mode" %}</label>
                            <div class="col-sm-7">
                                <select class="form-select{{ custom_form.cache_mode|invalid }}" id="cache_mode" name="cache_mode"
                                        {% error_attrs custom_form.cache_mode "cache_mode" %}>
                                    {% for mode, name in cache_modes %}
                                        <option value="{{ mode }}" {% if mode == custom_form.cache_mode.value %}selected {% endif %}>
                                            {% trans name %}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.cache_mode "cache_mode" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="custom_nwfilter" class="col-sm-3 col-form-label">{% trans "NWFilter" %}</label>
                            <div class="col-sm-7">
                                <select id="custom_nwfilter" class="form-select{{ custom_form.nwfilter|invalid }}" name="nwfilter"
                                        {% error_attrs custom_form.nwfilter "custom_nwfilter" %}>
                                    <option value="">{% trans "None" %}</option>
                                    {% for nwfilter in nwfilters %}
                                        <option value="{{ nwfilter }}" {% if nwfilter == custom_form.nwfilter.value %}selected{% endif %}>{{ nwfilter }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.nwfilter "custom_nwfilter" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="custom_net_model" class="col-sm-3 col-form-label">{% trans "NIC Type" %} </label>
                            <div class="col-sm-7">
                                <select id="custom_net_model" class="form-select{{ custom_form.net_model|invalid }}" name="net_model"
                                        {% error_attrs custom_form.net_model "custom_net_model" %}>
                                    {% for model in net_models_host %}
                                    <option value="{{ model }}" {% if model == custom_form.net_model.value %} selected {% endif %}>{{ model }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.net_model "custom_net_model" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="custom_video" class="col-sm-3 col-form-label">{% trans "Video" %}</label>
                            <div class="col-sm-7">
                                <select id="custom_video" class="form-select{{ custom_form.video|invalid }}" name="video"
                                        {% error_attrs custom_form.video "custom_video" %}>
                                    {% if not videos %}
                                        <option value="vga">vga</option>
                                        <option value="cirrus">cirrus</option>
                                    {% endif %}
                                    {% for video in videos %}
                                        <option value="{{ video }}" {% if video == custom_form.video.value %}selected{% endif %}>{{ video }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.video "custom_video" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="custom_listener_addr" class="col-sm-3 col-form-label">{% trans "Console Access" %}</label>
                            <div class="col-sm-7">
                                <select id="custom_listener_addr" class="form-select{{ custom_form.listener_addr|invalid }}" name="listener_addr"
                                        {% error_attrs custom_form.listener_addr "custom_listener_addr" %}>
                                    {% for addr, label in listener_addr %}
                                        <option value="{{ addr }}" {% if addr == custom_form.listener_addr.value %} selected {% endif %}>{{ label }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.listener_addr "custom_listener_addr" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="add_cdrom" class="col-sm-3 col-form-label">{% trans "Add CD-Rom" %}</label>
                            <div class="col-sm-7">
                                <select class="form-select{{ custom_form.add_cdrom|invalid }}" id="add_cdrom" name="add_cdrom"
                                        {% error_attrs custom_form.add_cdrom "add_cdrom" %}>
                                    <option value="None" {% if custom_form.add_cdrom.value == "None" %}selected{% endif %} >--{% trans "False" %}--</option>
                                    {% for bus in cdrom_buses %}
                                        <option value="{{ bus }}" {% if bus == custom_form.add_cdrom.value %}selected {% endif %}>
                                            {% trans bus %}
                                        </option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.add_cdrom "add_cdrom" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="add_input" class="col-sm-3 col-form-label">{% trans "Add Input Device" %}</label>
                            <div class="col-sm-7">
                                <select class="form-select{{ custom_form.add_input|invalid }}" id="add_input" name="add_input"
                                        {% error_attrs custom_form.add_input "add_input" %}>
                                    <option value="None" {% if custom_form.add_input.value == "None" %}selected{% endif %}>--{% trans "False" %}--</option>
                                    {% for bus in input_device_buses %}
                                        <option value="{{ bus }}" {% if bus == custom_form.add_input.value %}selected{% endif %}>
                                            {% trans bus %}
                                        </option>
                                    {% endfor %}
                                </select>
                                {% field_error custom_form.add_input "add_input" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="custom_qemu_ga" class="col-sm-3 col-form-label">{% trans "Guest Agent" %}</label>
                            <div class="col-sm-6">
                                <input id="custom_qemu_ga" type="checkbox" name="qemu_ga" value="true"{% if custom_form.qemu_ga.value %} checked{% endif %}>
                            </div>
                        </div>
                        {% if virtio_support %}
                        <div class="row">
                            <label for="custom_virtio" class="col-sm-3 col-form-label">{% trans "VirtIO" %}</label>
                            <div class="col-sm-6">
                                <input id="custom_virtio" type="checkbox" name="virtio" value="{{ virtio_support }}"{% if custom_form.virtio.value %} checked{% endif %}>
                            </div>
                        </div>
                        {% endif %}
                    </div>
                    <div class="row">
                        <div class="d-grid col-sm-7 offset-3">
                        {% if storages %}
                            <button type="submit" class="btn btn-primary" name="create" formnovalidate value="1">
                                {% trans "Create" %}
                            </button>
                        {% else %}
                            <button class="btn btn-primary disabled">
                                {% trans "Create" %}
                            </button>
                        {% endif %}
                        </div>
                    </div>
                </form>
                </div>
                <div class="clearfix"></div>
            </div>

            <div role="tabpanel" class="tab-pane tab-pane-bordered" id="add-from-temp" data-form-id="template">
                <div>
                    <form method="post" role="form" aria-label="Create instance from template form"
                          {% if submitted_form == "template" %}
                          data-template-pool="{{ request.POST.template_pool }}"
                          data-template="{{ template_form.template.value|default_if_none:"" }}"
                          data-storage="{{ template_form.storage.value|default_if_none:"" }}"
                          {% endif %}>{% csrf_token %}{% submission_key %}
                        <input type="hidden" name="form_id" value="template">
                    {% include "instances/form_errors.html" with form=template_form %}
                        <div class="row">
                            <label for="template_name" class="col-sm-3 col-form-label">{% trans "Name" %}</label>
                            <div class="col-sm-7">
                                <input id="template_name" type="text" class="form-control{{ template_form.name|invalid }}" name="name"
                                      value="{{ template_form.name.value|default_if_none:"" }}" placeholder="{% trans "Name" %}" maxlength="64" required pattern="[a-zA-Z0-9\.\-_]+"
                                      {% error_attrs template_form.name "template_name" %}>
                                {% field_error template_form.name "template_name" %}
                            </div>
                        </div>
                        {% if firmwares %}
                            <div class="row">
                                <label for="template_firmware" class="col-sm-3 col-form-label">{% trans "Firmware" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_firmware" class="form-select{{ template_form.firmware|invalid }}" name="firmware"
                                            {% error_attrs template_form.firmware "template_firmware" %}>
                                        {% for frm in firmwares %}
                                        <option value="{{ frm }}" {% if frm == template_form.firmware.value %}selected{% endif %}>{{ frm }}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.firmware "template_firmware" %}
                                </div>
                            </div>
                        {% endif %}
                        <div class="row">
                            <label for="template_vcpu" class="col-sm-3 col-form-label">{% trans "VCPU" %}</label>
                            <div class="col-sm-7">
                                <input id="template_vcpu" type="text" class="form-control{{ template_form.vcpu|invalid }}" name="vcpu"
                                      value="{{ template_form.vcpu.value|default_if_none:"" }}" maxlength="2" required pattern="[0-9]"
                                      {% error_attrs template_form.vcpu "template_vcpu" %}>
                                {% field_error template_form.vcpu "template_vcpu" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="template_vcpu_mode" class="col-sm-3 col-form-label">{% trans "VCPU Config" %}</label>
                            <div class="col-sm-7">
                                <select id="template_vcpu_mode" class="form-select{{ template_form.vcpu_mode|invalid }}" name="vcpu_mode"
                                        {% error_attrs template_form.vcpu_mode "template_vcpu_mode" %}>
                                    <option value=""> {% trans 'no-mode' %}</option>
                                    {% for mode in dom_caps.cpu_modes %}
                                        {% if mode == 'custom' %}
                                            <optgroup label="Custom CPU Models">
                                                {% for model in dom_caps.cpu_custom_models %}
                                                <option value="{{ model }}" {% if model == template_form.vcpu_mode.value %}selected{% endif %}> {% trans model %}</option>
                                                {% endfor %}
                                            </optgroup>
                                        {% else %}
                                            <option value="{{ mode }}" {% if mode == template_form.vcpu_mode.value %}selected{% endif %}>
                                                {% trans mode %}
                                            </option>
                                        {% endif %}
                                    {% endfor %}
                                </select>
                                {% field_error template_form.vcpu_mode "template_vcpu_mode" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="template_memory" class="col-sm-3 col-form-label">{% trans "RAM" %}</label>
                            <div class="col-sm-7">
                                <input id="template_memory" type="text" class="form-control{{ template_form.memory|invalid }}" name="memory"
                                      value="{{ template_form.memory.value|default_if_none:"" }}" maxlength="5" required pattern="[0-9]+"
                                      {% error_attrs template_form.memory "template_memory" %}>
                                {% field_error template_form.memory "template_memory" %}
                            </div>
                            <label class="col-sm-1 col-form-label">{% trans "MB" %}</label>
                        </div>
                        <div class="row">
                            <label for="template_disk" class="col-sm-3 col-form-label">{% trans "Template Disk" %}</label>
                            <div class="col-sm-3">
                                <select class="form-select" id="template_disk" name="template_pool" onchange="get_template_vols({{ compute_id }}, value);">
                                    {% if storages %}
                                        <option value disabled selected>{% trans "Select pool" %}...</option>
                                        {% for storage in storages %}
                                            <option value="{{ storage }}" >{{ storage }}</option>
                                        {% endfor %}
                                    {% else %}
                                        <option value="">{% trans "None" %}</option>
                                    {% endif %}
                                </select>
                            </div>
                            <div class="col-sm-4">
                                <select class="form-select{{ template_form.template|invalid }}" id="template" name="template" disabled aria-label="{% trans "Template" %}"
                                        {% error_attrs template_form.template "template" %}>
                                    <!-- populated from javascript -->
                                </select>
                                {% field_error template_form.template "template" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="storage" class="col-sm-3 col-form-label">{% trans "Storage" %}</label>
                            <div class="col-sm-7">
                                <select class="form-select{{ template_form.storage|invalid }}" id="storage" name="storage" disabled
                                        {% error_attrs template_form.storage "storage" %}>
                                    {% if storages %}
                                        {% for storage in storages %}
                                            <option value="{{ storage }}" {% if storage == template_form.storage.value %}selected{% endif %}>{{ storage }}</option>
                                        {% endfor %}
                                    {% else %}
                                        <option value="">{% trans "None" %}</option>
                                    {% endif %}
                                </select>
                                {% field_error template_form.storage "storage" %}
                            </div>
                        </div>
                        <div class="row">
                            <label for="template_networks" class="col-sm-3 col-form-label">{% trans "Network/MAC" %}</label>
                            <div class="col-sm-3">
                                <select id="template_networks" class="form-select{{ template_form.networks|invalid }}" name="networks"
                                        {% error_attrs template_form.networks "template_networks" %}>
                                    {% for network in networks %}
                                        <option value="{{ network }}" {% if network == template_form.networks.value %}selected{% endif %}>{{ network }}</option>
                                    {% endfor %}
                                </select>
                                {% field_error template_form.networks "template_networks" %}
                            </div>
                            <div class="col-sm-4">
                                <input id="template_mac" aria-label="{% trans "MAC" %}" type="text" class="form-control{{ template_form.mac|invalid }}" name="mac"
                                      value="{{ template_form.mac.value|default_if_none:"" }}" maxlength="17" required pattern="[a-zA-Z0-9:]+"
                                      {% error_attrs template_form.mac "template_mac" %}>
                                {% field_error template_form.mac "template_mac" %}
                            </div>
                        </div>
                        <div class="row">
                            <label class="col-sm-3 col-form-label">{% trans "Advanced" %}</label>
                            <div class="d-grid col-sm-7">
                                <button class="btn btn-outline-light" type="button" title="{% trans "Advanced" %}" data-bs-toggle="collapse" data-bs-target="#tempAdvCollapse" aria-expanded="false" aria-controls="tempAdvCollapse">
                                    <span>{% bs_icon 'caret-down'%} </span>
                                </button>
                            </div>        
                        </div>
                        <div class="collapse" id="tempAdvCollapse">
                            <div class="row meta-prealloc">
                                <label for="template_meta_prealloc" class="col-sm-3 col-form-label">{% trans "Disk Metadata" %}</label>
                                <div class="col-sm-7">
                                    <input id="template_meta_prealloc" type="checkbox" name="meta_prealloc" title="{% trans "Metadata preallocation" %}" value="true"{% if template_form.meta_prealloc.value %} checked{% endif %}>
                                </div>
                                <label class="col-lg-1 col-form-label">{% trans "Image" %}</label>
                            </div>
                            <div class="row">
                                <label for="template_cache_mode" class="col-sm-3 col-form-label">{% trans "HDD cache mode" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_cache_mode" class="form-select{{ template_form.cache_mode|invalid }}" name="cache_mode"
                                            {% error_attrs template_form.cache_mode "template_cache_mode" %}>
                                        {% for mode, name in cache_modes %}
                                            <option value="{{ mode }}" {% if mode == template_form.cache_mode.value %}selected{% endif %}>
                                            {% trans name %}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.cache_mode "template_cache_mode" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_nwfilter" class="col-sm-3 col-form-label">{% trans "NWFilter" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_nwfilter" class="form-select{{ template_form.nwfilter|invalid }}" name="nwfilter"
                                            {% error_attrs template_form.nwfilter "template_nwfilter" %}>
                                        <option value="">{% trans "None" %}</option>
                                        {% for nwfilter in nwfilters %}
                                            <option value="{{ nwfilter }}" {% if nwfilter == template_form.nwfilter.value %}selected{% endif %}>{{ nwfilter }}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.nwfilter "template_nwfilter" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_net_model" class="col-sm-3 col-form-label">{% trans "NIC Type" %} </label>
                                <div class="col-sm-7">
                                    <select id="template_net_model" class="form-select{{ template_form.net_model|invalid }}" name="net_model"
                                            {% error_attrs template_form.net_model "template_net_model" %}>
                                        {% for model in net_models_host %}
                                        <option value="{{ model }}" {% if model == template_form.net_model.value %} selected {% endif %}>{{ model }}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.net_model "template_net_model" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_video" class="col-sm-3 col-form-label">{% trans "Video" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_video" class="form-select{{ template_form.video|invalid }}" name="video"
                                            {% error_attrs template_form.video "template_video" %}>
                                        {% if not videos %}
                                            <option value="vga">vga</option>
                                            <option value="cirrus">cirrus</option>
                                        {% endif %}
                                        {% for video in videos %}
                                            <option value="{{ video }}" {% if video == template_form.video.value %}selected{% endif %}>{{ video }}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.video "template_video" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_listener_addr" class="col-sm-3 col-form-label">{% trans "Console Access" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_listener_addr" class="form-select{{ template_form.listener_addr|invalid }}" name="listener_addr"
                                            {% error_attrs template_form.listener_addr "template_listener_addr" %}>
                                        {% for addr, label in listener_addr %}
                                            <option value="{{ addr }}" {% if addr == template_form.listener_addr.value %} selected {% endif %}>{{ label }}</option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.listener_addr "template_listener_addr" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_add_cdrom" class="col-sm-3 col-form-label">{% trans "Add CD-Rom" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_add_cdrom" class="form-select{{ template_form.add_cdrom|invalid }}" name="add_cdrom"
                                            {% error_attrs template_form.add_cdrom "template_add_cdrom" %}>
                                        <option value="None" {% if template_form.add_cdrom.value == "None" %}selected{% endif %}>--{% trans "False" %}--</option>
                                        {% for bus in cdrom_buses %}
                                            <option value="{{ bus }}" {% if bus == template_form.add_cdrom.value %}selected {% endif %}>
                                                {% trans bus %}
                                            </option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.add_cdrom "template_add_cdrom" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_add_input" class="col-sm-3 col-form-label">{% trans "Add Input Device" %}</label>
                                <div class="col-sm-7">
                                    <select id="template_add_input" class="form-select{{ template_form.add_input|invalid }}" name="add_input"
                                            {% error_attrs template_form.add_input "template_add_input" %}>
                                        <option value="None" {% if template_form.add_input.value == "None" %}selected{% endif %}>--{% trans "False" %}--</option>
                                        {% for bus in input_device_buses %}
                                            <option value="{{ bus }}" {% if bus == template_form.add_input.value %}selected{% endif %}>
                                                {% trans bus %}
                                            </option>
                                        {% endfor %}
                                    </select>
                                    {% field_error template_form.add_input "template_add_input" %}
                                </div>
                            </div>
                            <div class="row">
                                <label for="template_qemu_ga" class="col-sm-3 col-form-label">{% trans "Guest Agent" %}</label>
                                <div class="col-sm-6">
                                    <input id="template_qemu_ga" type="checkbox" name="qemu_ga" value="true"{% if template_form.qemu_ga.value %} checked{% endif %}>
                                </div>
                            </div>
                            {% if virtio_support %}
                            <div class="row">
                                <label for="template_virtio" class="col-sm-3 col-form-label">{% trans "VirtIO" %}</label>
                                <div class="col-sm-6">
                                    <input id="template_virtio" type="checkbox" name="virtio" value="{{ virtio_support }}"{% if template_form.virtio.value %} checked{% endif %}>
                                </div>
                            </div>
                            {% endif %}
                        </div>
                        <div class="row">
                            <div class="d-grid col-sm-7 offset-3">
                            {% if storages %}
                                <button type="submit" class="btn btn-primary" name="create" value="1" formnovalidate>
                                    {% trans "Create" %}
                                </button>
                            {% else %}
                                <button class="btn btn-primary disabled">
                                    {% trans "Create" %}
                                </button>
                            {% endif %}
                            </div>
                        </div>
                    </form>
                </div>
                <div class="clearfix"></div>
            </div>
        </div><!-- /Tab panes -->
    </div>
        </div>
    </div>

{% endblock %}
{% block script %}
<script src="{% static 'js/tom-select.complete.min.js' %}"></script>
<script>
    var images_control, networks_control;

    $(document).ready(function () {
        images_control = new TomSelect('#image-control', {
            plugins: ['checkbox_options'],
            placeholder: 'Add image...',
            hidePlaceholder: false,
            onItemAdd: function (value) { if (!row_for("#img-list", value)) add_disk_row(value); },
            onItemRemove: function (value) { remove_row("#img-list", value); },
        });
        networks_control = new TomSelect('#network-control', {
            plugins: ['checkbox_options'],
            placeholder: 'Add network',
            hidePlaceholder: false,
            onItemAdd: function (value) { if (!row_for("#net-list", value)) add_network_row(value, ""); },
            onItemRemove: function (value) { remove_row("#net-list", value); },
        });
    });

    // The custom form's disk and network rows: one per chosen image or
    // network, cloned from the page's row templates. The fields the server
    // reads are derived from them in sync_custom_lists.
    function new_row(list, template, item) {
        const row = document.getElementById(template).content.firstElementChild.cloneNode(true);
        row.dataset.item = item;
        row.querySelector(".row-item").textContent = item;
        document.querySelector(list).append(row);
        return row;
    }

    function add_disk_row(volume) {
        const row = new_row("#img-list", "disk-row", volume);
        const bus = row.querySelector(".disk-bus");
        row.querySelector(".disk-device").addEventListener("change", function () {
            get_disk_bus_choices({{ compute_id }}, bus, this.value);
        });
        row.querySelector(".row-remove").addEventListener("click", function () { images_control.removeItem(volume); });
        sync_custom_lists();
        return row;
    }

    // a network row without a MAC gets a random one
    function add_network_row(network, mac) {
        const row = new_row("#net-list", "network-row", network);
        const input = row.querySelector("input");
        input.value = mac;
        input.addEventListener("input", sync_custom_lists);
        row.querySelector(".row-remove").addEventListener("click", function () { networks_control.removeItem(network); });
        if (!mac) random_mac(input);
        sync_custom_lists();
        return row;
    }

    function row_for(list, item) {
        return [...document.querySelector(list).children].find(row => row.dataset.item === item);
    }

    function remove_row(list, item) {
        row_for(list, item)?.remove();
        sync_custom_lists();
    }

    // images, networks and their MACs in row order; device<i> and bus<i>
    // belong to the i-th image
    function sync_custom_lists() {
        const disks = [...document.querySelector("#img-list").children];
        const nics = [...document.querySelector("#net-list").children];
        disks.forEach(function (row, i) {
            row.querySelector(".row-label").textContent = "hdd" + i;
            row.querySelector(".disk-device").name = "device" + i;
            row.querySelector(".disk-bus").name = "bus" + i;
        });
        nics.forEach(function (row, i) {
            row.querySelector(".row-label").textContent = "eth" + i;
        });
        document.querySelector("#images").value = disks.map(row => row.dataset.item).join(",");
        document.querySelector("#networks").value = nics.map(row => row.dataset.item).join(",");
        document.querySelector("#custom_mac").value = nics.map(row => row.querySelector("input").value).join(",");
        document.querySelector("#disk_list_div").classList.toggle("d-none", disks.length === 0);
    }

    // a MAC typed while the request was out stays
    function random_mac(input) {
        $.getJSON("{% url 'instances:random_mac_address' %}", function (data) {
            if (!input.value) input.value = data['mac'];
            sync_custom_lists();
        });
    }

    function get_cust_vols(compute_id, pool) {
        get_vol_url = "/computes/" + compute_id + "/storage/" + pool + "/volumes";
        return $.getJSON(get_vol_url, function (data) {
            images_control.clearOptions();
            $.each(data['vols'], function(i, item) {
                images_control.addOption({value: item, text: item});
            });
        });
    }

    function get_template_vols(compute_id, pool) {
        get_vol_url = "/computes/" + compute_id + "/storage/" + pool + "/volumes";
        const loading = $.getJSON(get_vol_url, function (data) {
            $("#template").find('option').remove();
            $.each(data['vols'], function(i, item) {
                $("#template").append($("<option>").val(item).text(item));
            });
        });
        $("#template").removeAttr("disabled");
        $("#storage").val(pool).change();
        $("#storage").removeAttr("disabled");
        return loading;
    }

    // A refused create form comes back open: its tab, or its flavor's dialog,
    // marked data-form-id. Then the focus goes to its error, once the dialog
    // is shown or the template form has its volumes back.
    function reopen_submitted_form() {
        const holder = document.querySelector(`[data-form-id="${document.body.dataset.submittedForm}"]`);
        if (!holder) {
            focusFirstError();
            return;
        }
        open_sections_with_errors(holder);
        if (holder.classList.contains("modal")) {
            holder.addEventListener("shown.bs.modal", focusFirstError, {once: true});
            bootstrap.Modal.getOrCreateInstance(holder).show();
        } else {
            bootstrap.Tab.getOrCreateInstance(document.querySelector(`[data-bs-target="#${holder.id}"]`)).show();
            $.when(restore_template_volumes(), restore_custom_lists()).then(focusFirstError);
        }
    }

    // an "Advanced" section that holds a refused field
    function open_sections_with_errors(holder) {
        holder.querySelectorAll(".collapse").forEach(function (section) {
            if (section.querySelector(".is-invalid")) {
                bootstrap.Collapse.getOrCreateInstance(section, {toggle: false}).show();
            }
        });
    }

    // the template form's pool, template and storage, the template list
    // loaded for the pool first, as when the user picks it
    function restore_template_volumes() {
        const form = document.querySelector("form[data-template-pool]");
        if (!form || !form.dataset.templatePool) return $.when();
        $("#template_disk").val(form.dataset.templatePool);
        return get_template_vols({{ compute_id }}, form.dataset.templatePool).then(function () {
            $("#template").val(form.dataset.template);
            $("#storage").val(form.dataset.storage);
        });
    }

    // The custom form's lists as submitted: its pool's volumes loaded first,
    // then each disk's bus once the bus list for its device is loaded
    function restore_custom_lists() {
        const element = document.getElementById("custom-lists");
        if (!element) return $.when();
        const lists = JSON.parse(element.textContent);
        lists.networks.forEach(function (nic) {
            networks_control.addOption({value: nic.name, text: nic.name});
            add_network_row(nic.name, nic.mac);
            networks_control.addItem(nic.name, true);
        });
        if (!lists.pool) return $.when();
        select_value(document.querySelector("#storage-control"), lists.pool);
        return get_cust_vols({{ compute_id }}, lists.pool).then(function () {
            return $.when(...lists.disks.map(function (disk) {
                images_control.addOption({value: disk.volume, text: disk.volume});
                const row = add_disk_row(disk.volume);
                images_control.addItem(disk.volume, true);
                const bus = row.querySelector(".disk-bus");
                select_value(row.querySelector(".disk-device"), disk.device);
                return get_disk_bus_choices({{ compute_id }}, bus, disk.device).then(function () {
                    select_value(bus, disk.bus);
                });
            }));
        });
    }

    // a value the loaded list no longer has is kept, not swapped for the first
    function select_value(select, value) {
        if (![...select.options].some(option => option.value === value)) select.add(new Option(value, value));
        select.value = value;
    }
    $(reopen_submitted_form);

    function get_disk_bus_choices(compute_id, bus_select, disk_type){
        // the page's own architecture and machine type, from its URL
        let arch = "{{ arch|escapejs }}";
        let machine = "{{ machine|escapejs }}";
        get_diskBus_url = "/computes/" + compute_id + "/archs/" + arch + "/machines/" + machine + "/disks/" + disk_type + "/buses";
        return $.getJSON(get_diskBus_url, function (data) {
            $(bus_select).find('option').remove();
            $.each(data['bus'], function(i, item) {
                $(bus_select).append($("<option>").val(item).text(item));
            });
        });
    }
</script>
{% if request.user.is_superuser %}
    <script>
        function goto_compute() {
            let compute = {{ compute.id }};
            window.location.href = "{% url 'instances:create_instance_select_type' 1 %}".replace(1, compute);
        }
    </script>
{% endif %}
{% endblock %}