{% extends "symposion/schedule/public_base.html" %}

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

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

{% block body_class %}full{% endblock %}

{% block right %}
{% endblock %}

{% block content_base %}

  <div class="page-head">
    {% block breadcrumbs %}{% endblock %}
  </div>

  <div class="card">
    <div class="card-header">
      <nav>
        <ul class="nav nav-tabs card-header-tabs" id="nav-tabs" role="tablist">
          {% for section in sections %}
            {% for timetable in section.days %}
              <li class="nav-item">
                <a class="nav-item nav-link active"
                   id="schedule_day_{{ timetable.day.date|date:"l"|lower}}-tab"
                   href="#{{ timetable.day.date|date:"l"|lower}}"
                   role="tab" aria-controls="schedule_day_{{ timetable.day.date|date:"l"|lower}" >
                  {{ timetable.day.date|date:"l"}}
                </a>
              </li>
            {% endfor %}
          {% endfor %}
        </ul>
      </nav>
    </div>

    <div class="tab-content card-body">
      {% for section in sections %}
         {% cache 600 "schedule-table" section.schedule.section %}
            {% for timetable in section.days %}
              <div class="tab-pane active" id="{{ timetable.day.date|date:"l"|lower}}"
                role="tabpanel" aria-labelledby="schedule_day_{{ timetable.day.date|date:"l"|lower}}-tab">
                <h3>{{ section.schedule.section.name }} — {{ timetable.day.date|date:"l" }}, {{ timetable.day.date }}</h3>
                {% include "symposion/schedule/_grid.html" %}
              </div>
            {% endfor %}
         {% endcache %}
      {% endfor %}
    </div>
  </div>
{% endblock %}

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

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

    if (!fragment) {
      OFFSET = -11 * (60 * 60 * 1000); // Sydney is 11 hours ahead of UTC in Jan.
      JAN = 0; // because January is 0, not 1

      fragments = [
        {"day": "monday", "time": Date.UTC(2018, JAN, 22)},
        {"day": "tuesday", "time": Date.UTC(2018, JAN, 23)},
        {"day": "wednesday", "time": Date.UTC(2018, JAN, 24)},
        {"day": "thursday", "time": Date.UTC(2018, JAN, 25)},
        {"day": "friday", "time": Date.UTC(2018, JAN, 26)},
        {"day": "saturday", "time": Date.UTC(2018, JAN, 27)},
      ];

      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 %}