{% macro printError(errors, label) %}
    {% if errors[label] %}
        <div class="invalid-feedback">
            {{ errors[label] }}
        </div>
    {% endif %}
{% endmacro %}

{% macro addInput(id, label, type, name, old, placeholder, errors, generics) %}
    <div class="form-group">
        <label for="{{id}}">{{label}}</label>
        <input type="{{type}}" class="form-control {{'is-invalid' if errors[name]}}" id="{{id}}" name="{{name}}" value="{{old}}" placeholder="{{placeholder}}" {{generics | safe}}>
        {{ printError(errors, name) }}
    </div>
{% endmacro %}

{% macro addSelect(id, label, name, options, old, errors, generics) %}
    <div class="form-group">
        <label for="{{id}}">{{label}}</label>
        <select class="form-control {{'is-invalid' if errors[name]}}" id="{{id}}" name="{{name}}" {{generics | safe}}>
            {% for opt in options %}
                <option value="{{opt.value}}" {{'selected' if old == opt.value}}>{{opt.label}}</option>
            {% endfor %}
        </select>
        {# {{ printError(errors, name) }} #}
    </div>
{% endmacro %}

{% macro alert(flash) %}
    {% if (flash) and (flash.length > 0) %}
        {% for msg in flash %}
            <div class="alert alert-{{msg.type | safe}}" role="alert">
                {{msg.message}}
            </div>
        {% endfor %}
    {% endif %}
{% endmacro %}