{#
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
#}

<!-- Adapted from: https://github.com/dpgaspar/Flask-AppBuilder/blob/master/flask_appbuilder/templates/appbuilder/flash.html -->
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='css/flash.css') }}">

<!-- Split messages into two arrays: one for regular alerts, another for DAG import errors -->
{% with messages = get_flashed_messages(with_categories=true) %}
    {% set dag_import_errors = [] %}
    {% set regular_alerts = [] %}

    {% if messages %}
        {% for category, m in messages %}
            {% if category == 'dag_import_error' %}
                {{ dag_import_errors.append((category, m)) if dag_import_errors.append((category, m)) != None else '' }}
            {% else %}
                {{ regular_alerts.append((category, m)) if regular_alerts.append((category, m)) != None else '' }}
            {% endif %}
        {% endfor %}
    {% endif %}

    <div>
    {% if regular_alerts %}
        {% for category, m in regular_alerts %}
            {% if category %}
                <div class="alert alert-{{ category }}">
            {% else %}
                <div class="alert alert-info">
            {% endif %}
            <button type="button" class="close" data-dismiss="alert">&times;</button>
            {{ m }}
            </div>
        {% endfor %}
    {% endif %}
    </div>

    <div>
    {% if dag_import_errors %}
        <div class="panel-group" id="accordion">
            <div class="panel panel-default">
                <div class="panel-heading" id="errorHeading">
                  <h4 class="panel-title">
                    <a id="alerts-accordion-toggle" data-toggle="collapse" data-parent="#accordion" href="#alerts" aria-expanded="false" >
                      DAG Import Errors ({{ dag_import_errors|length }})
                    </a>
                  </h4>
                </div>

                <div id="alerts" class="panel-collapse collapse in">
                  <div class="panel-body" >
                    {% for category, m in dag_import_errors %}
                        <div class="alert alert-error">
                            {{ m }}
                        </div>
                    {% endfor %}
                  </div>
                </div>
              </div>
            </div>
        </div>
    {% endif %}
    </div>

{% endwith %}
