{% extends "base.html" %}
{% load staticfiles %}
{% load bootstrap3 %}
{% block content %}
<style>
    .grid_container {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        padding: 30px;
    }
    .grid_element {
        border-radius: 5px;
        border: 1px solid #ccc;
        margin: 10px;
        padding: 7px;
    }
    .grid_element_wide {
        grid-column-start: span 12;
    }
    .grid_element_half {
        grid-column-start: span 6;
    }
    .grid_element_1third {
        grid-column-start: span 4;
    }
    .grid_element_2third {
        grid-column-start: span 8;
    }
    .collaborator_pane {
        display: flex;
        flex-direction: column;
    }
    #id_length {
        -moz-appearance: none;
        border: none;
        box-shadow: none;
    }

    input[type=range]::-moz-range-track {
        background: #cccccc;
    }

    .grid_element {
        overflow: hidden;
    }
</style>
{% bootstrap_form_errors form type='non_fields' %}
<form id="quick_booking_form" action="/booking/quick/" method="POST" class="form">
{% csrf_token %}
<div class="grid_container">
<div class="grid_element host_select_pane grid_element_wide">
<p>Please select a host type you wish to book. Only available types are shown.</p>
{% bootstrap_field form.filter_field show_label=False %}
</div>
<div class="grid_element booking_info_pane grid_element_1third">
    {% bootstrap_field form.purpose %}
    {% bootstrap_field form.project %}
    {% bootstrap_field form.length %}
    <p style="display:inline;">Days: </p><output id="daysout" style="display:inline;">0</output>
    <script>
        document.getElementById("id_length").setAttribute("oninput", "daysout.value=this.value");
        document.getElementById("daysout").value = document.getElementById("id_length").value;
    </script>
</div>
<div class="grid_element collaborator_pane grid_element_1third">
        <label>Collaborators</label>
        {{ form.users }}
</div>
<div class="grid_element_1third">
    <div class="configuration_pane grid_element">
        {% bootstrap_field form.hostname %}
        {% bootstrap_field form.image %}
    </div>
    <div class="configuration_pane grid_element">
        <strong>OPNFV: (Optional)</strong>
        {% bootstrap_field form.installer %}
        {% bootstrap_field form.scenario %}
    </div>
</div>
</div>
<script type="text/javascript">

    function submit_form()
    {
        //formats data for form submission
        document.getElementById("filter_field").value = JSON.stringify(result);
    }

    function hide_dropdown(drop_id) {
        var drop = document.getElementById(drop_id);
        //select 'blank' option
        for( var i=0; i < drop.length; i++ )
        {
            if ( drop.options[i].text == '---------' )
                drop.selectedIndex = i;
        }

        //cross browser hide children
        $('#id_image').children().hide();
        for( var i = 0; i < drop.childNodes.length; i++ )
        {
            drop.childNodes[i].disabled = true; // closest we can get on safari to hiding it outright
        }
    }

    function get_selected_value(key){
        for( var attr in result[key] ){
            if( attr in {} )
                continue;
            else
                return attr;
        }
        return null;
    }

    var sup_image_dict = {{ image_filter|safe }};
    var sup_installer_dict = {{ installer_filter|safe }};
    var sup_scenario_dict = {{ scenario_filter|safe }};

    function imageHider() {
        var drop = document.getElementById("id_image");

        hide_dropdown("id_image");

        var lab_pk = get_selected_value("lab");
        var host_pk = get_selected_value("host");

        for ( var i=0; i < drop.childNodes.length; i++ )
        {
            var image_object = sup_image_dict[drop.childNodes[i].value];
            if( image_object ) //weed out empty option
            {
                if( image_object.host_profile == host_pk && image_object.lab == lab_pk )
                {
                    drop.childNodes[i].style.display = "inherit";
                    drop.childNodes[i].disabled = false;
                }
            }
        }
    }

    imageHider();
    $('#id_installer').children().hide();
    $('#id_scenario').children().hide();


    Array.from(document.getElementsByClassName("grid-item-select-btn")).forEach(function(element) {
        element.addEventListener('click', imageHider);
    });

    function installerHider() {
        dropFilter("id_installer", sup_installer_dict, "id_image");
        scenarioHider();
    }
    document.getElementById('id_image').addEventListener('change', installerHider);

    function scenarioHider() {
        dropFilter("id_scenario", sup_scenario_dict, "id_installer");
    }
    document.getElementById('id_installer').addEventListener('change', scenarioHider);

    function dropFilter(target, target_filter, master) {
        var dropdown = document.getElementById(target);

        hide_dropdown(target);

        var drop = document.getElementById(master);
        var opts = target_filter[drop.options[drop.selectedIndex].value];
        if (!opts) {
            opts = {};
        }

        var map = Object.create(null);
        for (var i = 0; i < opts.length; i++) {
            var j = opts[i];
            map[j] = true;
        }

        for (var i = 0; i < dropdown.childNodes.length; i++) {
            if (dropdown.childNodes[i].value in opts && !(dropdown.childNodes[i].value in {}) ) {
                dropdown.childNodes[i].style.display = "inherit";
                dropdown.childNodes[i].disabled = false;
            }
        }
    }
</script>
    <button id="quick_booking_confirm" onclick="submit_form();" class="btn btn-success">Confirm</button>
</form>
{% endblock %}