{% extends 'base.html' %}

{% block content %}
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item">
                <a href="{% url 'activities:activity.list' %}">Activities</a>
            </li>
            <li class="breadcrumb-item active" aria-current="page">{{ object }}</li>
        </ol>
    </nav>

    {% if user_is_attending %}
        <button class="btn btn-danger"
                onclick="clickCancelAttend();">
            Cancel Attendance
        </button>

    {% else %}
        <button class="btn btn-success"
                onclick="clickAttend();">
            Attend
        </button>

    {% endif %}

    <hr>

    <dl>
        <dt>Series</dt>
        <dl>{{ activity.series|default_if_none:'Standalone Activity' }}</dl>

        <dt>Type</dt>
        <dd>{{ activity.type }}</dd>

        <dt>Medium</dt>
        <dd>{{ activity.medium }}</dd>
    </dl>

    <hr>

    <table class="table table-borderless">
        <thead>
        <tr>
            <th>Name</th>
        </tr>
        </thead>

        <tbody>
        {% for person in activity.attendance_list.all %}
            <tr>
                <td>{{ person }}</td>
                <td>
                    <a class="btn btn-sm btn-info"
                       href="{% url 'people:person.detail' pk=person.pk %}">Profile</a>
                </td>
            </tr>

        {% empty %}
            <tr>
                <td>No records</td>
            </tr>
        {% endfor %}
        </tbody>
    </table>


{% endblock %}


{% block extra_script %}
    <script type="application/javascript">
        /**
         * Get the value of a named cookie.
         */
        function getCookie(name) {
            for (const cookie of document.cookie.split(';')) {
                const tokens = cookie.split('=');
                if (tokens[0].trim() === name) {
                    return tokens[1].trim();
                }
            }

            return null;
        }

        /**
         * Submit that user is attending this activity.
         */
        function clickAttend() {
            $.ajax({
                url: '{% url "activities:activity.attendance" pk=activity.pk %}',
                type: 'POST',
                contentType: 'application/json',
                headers: {
                    'X-CSRFToken': getCookie('csrftoken')
                },
                data: JSON.stringify({
                    pk: {{ request.user.person.pk }}
                }),
                success: function() {
                    location.reload()
                }
            })
        }

        /**
         * Submit that user is not attending this activity.
         */
        function clickCancelAttend() {
            $.ajax({
                url: '{% url "activities:activity.attendance" pk=activity.pk %}',
                type: 'DELETE',
                contentType: 'application/json',
                headers: {
                    'X-CSRFToken': getCookie('csrftoken')
                },
                data: JSON.stringify({
                    pk: {{ request.user.person.pk }}
                }),
                success: function() {
                    location.reload()
                }
            })
        }
    </script>
{% endblock %}