{% extends "admin_base.html" %}
{% load tags_AKModel %}

{% load i18n %}
{% load l10n %}
{% load tz %}
{% load static %}
{% load tags_AKPlan %}

{% block title %}{% trans "Scheduling for" %} {{ event }}{% endblock %}

{% block extrahead %}
    {{ block.super }}
    {% get_current_language as LANGUAGE_CODE %}

    <script src='{% static 'AKPlan/vendor/fullcalendar-scheduler/main.js' %}'></script>
    <link href='{% static 'AKPlan/vendor/fullcalendar-scheduler/main.css' %}' rel='stylesheet'/>

    {% with 'AKPlan/vendor/fullcalendar-scheduler/locales/'|add:LANGUAGE_CODE|add:'.js' as locale_file %}
        <script src="{% static locale_file %}"></script>
    {% endwith %}

    <style>
        .unscheduled-slot {
            cursor: move;

        }

        .fc-v-event, .tooltip {
            white-space: pre-line;
        }
    </style>

    <script>
        document.addEventListener('DOMContentLoaded', function () {
            // CSRF Protection/Authentication
            function getCookie(name) {
                let cookieValue = null;
                if (document.cookie && document.cookie !== '') {
                    const cookies = document.cookie.split(';');
                    for (let i = 0; i < cookies.length; i++) {
                        const cookie = cookies[i].trim();
                        // Does this cookie string begin with the name we want?
                        if (cookie.substring(0, name.length + 1) === (name + '=')) {
                            cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                            break;
                        }
                    }
                }
                return cookieValue;
            }

            const csrftoken = getCookie('csrftoken');

            function csrfSafeMethod(method) {
                // these HTTP methods do not require CSRF protection
                return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
            }

            $.ajaxSetup({
                beforeSend: function (xhr, settings) {
                    if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
                        xhr.setRequestHeader("X-CSRFToken", csrftoken);
                    }
                }
            });


            // Place slots by dropping placeholders on calendar
            var containerEl = document.getElementById('unscheduled-slots');
            new FullCalendar.Draggable(containerEl, {
                itemSelector: '.unscheduled-slot',
            });


            // Calendar
            var planEl = document.getElementById('planCalendar');

            plan = new FullCalendar.Calendar(planEl, {
                timeZone: '{{ event.timezone }}',
                headerToolbar: {
                    left: 'today prev,next',
                    center: 'title',
                    right: 'resourceTimelineDayVert,resourceTimelineDayHoriz,resourceTimelineEventVert,resourceTimelineEventHoriz'
                },
                //aspectRatio: 2,
                themeSystem: 'bootstrap',
                // Adapt to user selected locale
                locale: '{{ LANGUAGE_CODE }}',
                initialView: 'resourceTimelineEventVert',
                views: {
                    resourceTimelineDayHoriz: {
                        type: 'resourceTimelineDay',
                        buttonText: '{% trans "Day (Horizontal)" %}',
                        slotDuration: '00:15',
                        scrollTime: '08:00',
                    },
                    resourceTimelineDayVert: {
                        type: 'resourceTimeGridDay',
                        buttonText: '{% trans "Day (Vertical)" %}',
                        slotDuration: '00:30',
                        scrollTime: '08:00',
                    },
                    resourceTimelineEventHoriz: {
                        type: 'resourceTimeline',
                        visibleRange: {
                            start: '{{ event.start | timezone:event.timezone | date:"Y-m-d H:i:s" }}',
                            end: '{{ event.end | timezone:event.timezone  | date:"Y-m-d H:i:s"}}',
                        },
                        buttonText: '{% trans "Event (Horizontal)" %}',
                        slotDuration: '00:15',
                    },
                    resourceTimelineEventVert: {
                        type: 'resourceTimeGrid',
                        visibleRange: {
                            start: '{{ event.start | timezone:event.timezone | date:"Y-m-d H:i:s" }}',
                            end: '{{ event.end | timezone:event.timezone  | date:"Y-m-d H:i:s"}}',
                        },
                        buttonText: '{% trans "Event (Vertical)" %}',
                        slotDuration: '00:30',
                    }
                },
                // Show full AK title as tooltip for each AK (needs to be removed and newly placed when AK is moved)
                eventDidMount: function (info) {
                    if (info.event.extendedProps.description !== undefined) {
                        $(info.el).tooltip({title: info.event.extendedProps.description, trigger: 'hover'});
                    }
                },
                eventWillUnmount: function (info) {
                    $(info.el).tooltip('dispose');
                },

                // React to event changes (moving or change of duration)
                eventChange: updateEvent,
                eventReceive: updateEvent,
                editable: true,
                dropable: true,
                drop: function (info) {
                    info.draggedEl.parentNode.removeChild(info.draggedEl);
                },
                allDaySlot: false,
                nowIndicator: true,
                eventTextColor: '#fff',
                eventColor: '#127ba3',
                datesAboveResources: true,
                resourceAreaHeaderContent: '{% trans "Room" %}',
                resources: '{% url "model:scheduling-resources-list" event_slug=event.slug %}',
                eventSources: [
                    '{% url "model:scheduling-events" event_slug=event.slug %}',
                    '{% url "model:scheduling-room-availabilities" event_slug=event.slug %}'
                ],
                schedulerLicenseKey: 'GPL-My-Project-Is-Open-Source',
                dayMinWidth: 100,
            });

            plan.setOption('contentHeight', $(window).height() - $('#header').height() * 11);
            plan.render();

            function updateEvent(changeInfo) {
                room = changeInfo.event.getResources()[0];
                $.ajax({
                    url: '{% url "model:scheduling-event-list" event_slug=event.slug %}' + changeInfo.event.extendedProps.slotID + "/",
                    type: 'PUT',
                    data: {
                        start: plan.formatIso(changeInfo.event.start),
                        end: plan.formatIso(changeInfo.event.end),
                        roomId: room.id,
                    },
                    success: function (response) {
                    },
                    error: function (response) {
                        changeInfo.revert();
                        alert("ERROR. Did not update " + changeInfo.event.title)
                    }
                });
            }
        });
    </script>
{% endblock extrahead %}

{% block content %}

    <div class="row" style="margin-bottom: 50px;">
        <div class="col-md-10 col-lg-11">
            <div id="planCalendar"></div>
        </div>
        <div class="col-md-2 col-lg-1" id="unscheduled-slots">
            {% for slot in slots_unscheduled %}
                <div class="unscheduled-slot badge badge-primary" style='background-color: {{ slot.ak.category.color }}'
                     data-event='{ "title": "{{ slot.ak.short_name }}", "duration": {"hours": "{{ slot.duration|unlocalize }}"}, "description": "{{ slot.ak.name }}", "slotID": "{{ slot.pk }}"}'>{{ slot.ak.short_name }}
                    ({{ slot.duration }} h)<br>{{ slot.ak.owners_list }}
                </div>
            {% endfor %}
        </div>
    </div>


    <a href="{% url 'admin:event_status' event.slug %}">{% trans "Event Status" %}</a>
{% endblock %}