{% extends "site_base.html" %}

{% load i18n %}
{% load cache %}
{% load lca2018_tags %}

{% block head_title %}Conference Schedule{% endblock %}
{% block page_title %}Conference Schedule{% endblock %}

{% block content %}
  <div class="row d-print-none">
    <div class="col">
      <ul class="nav nav-pills flex-column flex-md-row" id="schedule-tabs" role="tablist">
        {% for section in sections %}
        {% for timetable in section.days %}
          <li class="nav-item flex-md-fill text-md-center">
            {% include "symposion/schedule/_schedule_nav_link.html" with active=forloop.first label=timetable.day.date|date:"l" %}
          </li>
        {% endfor %}
      {% endfor %}
      </ul>
    </div>
  </div>

  <div class="tab-content d-print-block my-3" id="schedule-tabContent">
    {% for section in sections %}
      {% cache 600 "schedule-table" section.schedule.section %}
      {% for timetable in section.days %}
      <div class="row tab-pane fade {% if forloop.first %}show active{% endif %} d-print-block" id="{{ timetable.day.date|date:"l"|lower}}" role="tabpanel" aria-labelledby="schedule_day_{{ timetable.day.date|date:"l"|lower}}-tab">
        <div class="col-12">
          <h2 class="my-4">
            {{ section.schedule.section.name }}
            <span class="clearfix d-sm-block d-md-none"></span>
            <small class="text-muted">{{ timetable.day.date|date:"l" }}, {{ timetable.day.date }}</small>
          </h2>
          <div class="table-responsive d-none d-md-block">
            {% include "symposion/schedule/_grid.html" %}
          </div>
          <div class="mobile-schedule d-sm-block d-md-none">
            {% include "symposion/schedule/_mobile.html" %}
          </div>
        </div>
      </div>
      {% endfor %}
      {% endcache %}
    {% endfor %}
  </div>
{% endblock %}

{% block scripts_extra %}
  <script type="text/javascript">

    fragment = window.location.hash.toLowerCase().substring(1);

    if (!fragment) {
      OFFSET = -10 * (60 * 60 * 1000); // Gold Coast is 10 hours ahead of UTC in Jan.
      JAN = 0; // because January is 0, not 1

      fragments = [
        {"day": "monday", "time": Date.UTC(2020, JAN, 13)},
        {"day": "tuesday", "time": Date.UTC(2020, JAN, 14)},
        {"day": "wednesday", "time": Date.UTC(2020, JAN, 15)},
        {"day": "thursday", "time": Date.UTC(2020, JAN, 16)},
        {"day": "friday", "time": Date.UTC(2020, JAN, 17)},
        {"day": "saturday", "time": Date.UTC(2020, JAN, 18)},
      ];

      now = new Date().getTime();

      for (i = 0; i < 5; i++) {
        f = fragments[i];
        g = fragments[i+1];
        if ((f.time + OFFSET) <= now && now < (g.time + OFFSET)) {
          fragment = f.day;
        }
      }
    }

    document.addEventListener("hashchange", function(event) {
      fragment = window.location.hash.toLowerCase().substring(1);

      if (!fragment) {
        return;
      };

      fragmentid = "#schedule_day_" + fragment + "-tab";
      $(fragmentid).tab('show');

    });

      $(".nav-item").click(function(event) {
        // This updates the window location fragment so that
        // the URL bar is updated, and so that when you go
        // back, it loads the right page.

        // len("schedule_day_") == 13
        day_tab = event.target.id.substring(13);
        day = day_tab.substr(0, day_tab.length-4);

        if(history.pushState) {
            history.pushState(null, null, "#" + day);
        }
      });
  </script>
  {{ block.super }}
{% endblock %}