{% if not currentUser %}
    {% do craft.app.session.setFlash('info', 'event.subscribe.notAuthenticated'|t({registerUrl: url('registration')})) %}
{% endif %}
{% requireLogin %}

{% if not id %}
    {% redirect "/" %}
{% endif %}
{% set event = craft.entries.id(id).section('events').one() %}
{% if not event %}
    {% redirect "/" %}
{% endif %}
{% if not event.registrationEnabled %}
    {% redirect event.url %}
{% endif %}

{% macro errorList(errors) %}
    {% if errors %}
        {{ ul(errors, {class: 'errors'}) }}
    {% endif %}
{% endmacro %}

{# Load section + entry type definitions: #}
{% set section = craft.app.entries.getSectionByHandle('eventSubscriptions') %}
{% set entryType = craft.app.entries.getEntryTypeByHandle('eventSubscription') %}

{# If there were any validation errors, an `entry` variable will be
   passed back to the template, containing the POSTed values, as-is,
   and validation errors. If that’s *not* present, we stub out a new
   entry object: #}
{% set entry = entry ?? create({
    class: 'craft\\elements\\Entry',
    sectionId: section.id,
    typeId: entryType.id,
}) %}

{% extends "_layout" %}

{% block content %}
    <section class="membership-form">
        <div class="container">
            <div class="form-content">
                <h1>{{ 'form.event.subscribe.title'|t }}</h1>
                {% include 'events/_event-info.twig' with {'includeFootnotes': true} %}
                <div class="event-subscribe-userInfo">
                    <b>{{ 'form.event.subscribe.name'|t }}</b>: {{ currentUser.fullName }}
                </div>

                {# Check if already subscribed #}
                {% set subscribed = craft.entries
                    .section('eventSubscriptions')
                    .relatedTo([
                        'and',
                        {
                            targetElement: event,
                            field: 'event',
                        },
                        {
                            targetElement: currentUser,
                            field: 'user',
                        },
                    ])
                    .status(null)
                    .one() %}

                {% if subscribed %}
                    <div class="confirmation">
                        <p>{{ ('form.event.subscribe.message.' ~ subscribed.approvalStatus)|t }}</p>
                    </div>
                {% else %}
                    <form method="post">
                        {{ csrfInput() }}
                        {{ actionInput('entries/save-entry') }}
                        {{ redirectInput('event-subscription/' ~ event.id ~ '/confirm') }}
                        {{ hiddenInput('sectionId', entry.sectionId) }}
                        {{ hiddenInput('typeId', entry.typeId) }}
                        {{ hiddenInput('enabled', false) }}
                        {{ hiddenInput('fields[event][]', event.id) }}
                        {{ hiddenInput('fields[user][]', currentUser.id) }}

                        {% if event.subscribersInformation %}
                            <div class="event-subscribe-info">
                                {{ event.subscribersInformation }}
                            </div>
                        {% endif %}

                        <div class="form-field">
                            <label for="additionalInformation" class="membership-form__label">{{ 'form.event.subscribe.additionalInformation'|t }}</label>
                            <textarea id="additionalInformation" name="fields[additionalInformation]" class="membership-form__textarea" rows="5">{{ entry.additionalInformation ?? '' }}</textarea>
                            {{ _self.errorList(entry.getErrors('additionalInformation')) }}
                        </div>

                        <button type="submit" id="event-subscribe-submit" class="btn btn--primary form__submit">
                            {{ 'form.event.subscribe.submit'|t }}
                        </button>
                    </form>
                {% endif %}
            </div>
            {% if event.dateLabel %}
                <div class="event-subscribe-note">
                    <sup>(1)</sup> {{ 'form.event.subscribe.noteDate'|t }}
                </div>
            {% endif %}
        </div>
    </section>
{% endblock %}