{% extends "pretixcontrol/organizers/base.html" %}
{# Owner: frontend-dev (ORCHESTRIERUNG.md section 5) #}
{% comment %}
    Pick the reference event for the template editor.

    A template has no event, but a field library only exists for one: which
    questions, items and meta properties exist is event data. So the editor works
    against one event of this organizer, and this page is where that event is
    chosen. views/editor.py skips this page when there is exactly one usable
    event -- an in-between page with a single option is friction, not a choice.

    method="get" on purpose: the answer belongs in the URL as
    ?reference_event=<slug>, which makes the editor's address bookmarkable and
    means this page needs no view logic of its own. No CSRF token for the same
    reason -- a GET form changes nothing.

    An empty event list is not an error page but this same page with the
    explanation: the plugin is active somewhere in this organizer (otherwise the
    view answers 404), but this user cannot read orders in any of those events,
    and the preview would show nothing but 403s.
{% endcomment %}
{% load i18n %}

{% block title %}{% trans "Template editor" %}{% endblock %}

{% block inner %}
    <h1>{% trans "Template editor" %}</h1>

    {% if template %}
        <p>
            {% blocktrans trimmed with name=report_name %}
                Template: <strong>{{ name }}</strong>
            {% endblocktrans %}
        </p>
    {% endif %}

    {% if events %}
        <p>
            {% blocktrans trimmed %}
                Report templates live at organizer level and have no event of
                their own. The editor therefore needs a reference event: its
                questions, products and meta properties make up the field library,
                and the live preview shows that event's orders. Pick the event
                that resembles the events you want to use this template in.
            {% endblocktrans %}
        </p>
        <p class="help-block">
            {% blocktrans trimmed %}
                The choice is not stored with the template. Fields whose filter
                values only exist in one event are marked “event values” in the
                editor and are remapped when the template is loaded into another
                event.
            {% endblocktrans %}
        </p>

        <form method="get" class="form-horizontal">
            <div class="form-group">
                <label class="col-md-3 control-label" for="pcr-reference-event">
                    {% trans "Reference event" %}
                </label>
                <div class="col-md-9">
                    <select class="form-control" id="pcr-reference-event"
                            name="{{ reference_event_param }}">
                        {% for event in events %}
                            <option value="{{ event.slug }}">
                                {{ event.name }} ({{ event.slug }})
                            </option>
                        {% endfor %}
                    </select>
                </div>
            </div>
            <div class="form-group">
                <div class="col-md-9 col-md-offset-3">
                    <button type="submit" class="btn btn-primary" id="pcr-reference-event-submit">
                        {% trans "Open the editor" %}
                    </button>
                    {% if list_url %}
                        <a href="{{ list_url }}" class="btn btn-default">
                            {% trans "Cancel" %}
                        </a>
                    {% endif %}
                </div>
            </div>
        </form>
    {% else %}
        <div class="alert alert-warning">
            {% blocktrans trimmed %}
                There is no event you could use as a reference. The template editor
                needs an event of this organizer that has the report plugin enabled
                and whose orders you are allowed to view, because the field library
                and the live preview come from that event.
            {% endblocktrans %}
        </div>
        <p>
            {% blocktrans trimmed %}
                Ask for permission to view orders in one of these events, or edit
                the template's JSON definition directly.
            {% endblocktrans %}
        </p>
        {% if list_url %}
            <a href="{{ list_url }}" class="btn btn-default">
                {% trans "Back to the templates" %}
            </a>
        {% endif %}
    {% endif %}
{% endblock %}