{% extends 'skelet.html.j2' %}

{# Renders field for bootstrap 3 standards.

    Params:
        field - WTForm field
        kwargs - pass any arguments you want in order to put them into the html attributes.
        There are few exceptions: for - for_, class - class_, class__ - class_

    Example usage:
        {{ macros.render_field(form.email, placeholder='Input email', type='email') }}
#}
{% macro render_field(field, label_visible=true, horizontal=false) -%}

    <div class="form-group {% if field.errors %}has-error{% endif %} {{ 'row' if horizontal }} {{ kwargs.pop('class_', '') }}">
        {% if (field.type != 'HiddenField' and field.type !='CSRFTokenField') and label_visible %}
	<label for="{{ field.id }}" class="control-label {{ 'col-sm-2 col-form-label' if horizontal }}">{{ field.label.text }}</label>
        {% endif %}
	<div class="{{ 'col-sm-10' if horizontal }}">
        {{ field(class_='form-control', **kwargs) }}
	</div>
        {% if field.errors %}
            {% for e in field.errors %}
                <p class="alert alert-danger">{{ e }}</p>
            {% endfor %}
        {% endif %}
    </div>
{%- endmacro %}

{# Renders checkbox fields since they are represented differently in bootstrap
    Params:
        field - WTForm field (there are no check, but you should put here only BooleanField.
        kwargs - pass any arguments you want in order to put them into the html attributes.
        There are few exceptions: for - for_, class - class_, class__ - class_

    Example usage:
        {{ macros.render_checkbox_field(form.remember_me) }}
 #}
{% macro render_checkbox_field(field) -%}
    <div class="checkbox">
        <label>
            {{ field(type='checkbox', **kwargs) }} {{ field.label }}
        </label>
    </div>
{%- endmacro %}

{# Renders radio field
    Params:
        field - WTForm field (there are no check, but you should put here only BooleanField.
        kwargs - pass any arguments you want in order to put them into the html attributes.
        There are few exceptions: for - for_, class - class_, class__ - class_

    Example usage:
        {{ macros.render_radio_field(form.answers) }}
 #}
{% macro render_radio_field(field) -%}
    {% for value, label, _ in field.iter_choices() %}
        <div class="radio">
            <label>
                <input type="radio" name="{{ field.id }}" id="{{ field.id }}" value="{{ value }}">{{ label }}
            </label>
        </div>
    {% endfor %}
{%- endmacro %}

{# Renders submit field
    Params:
        field - WTForm field (there are no check, but you should put here only BooleanField.
        kwargs - pass any arguments you want in order to put them into the html attributes.
        There are few exceptions: for - for_, class - class_, class__ - class_

    Example usage:
        {{ macros.render_submit_field(form.answers) }}
 #}
{% macro render_submit_field(field, btn_class='btn btn-primary') -%}
	<input type="submit" class="{{ btn_class }}" value="{{ field.label.text }}" />
{%- endmacro %}
{# Renders form field
    Params:
        field - WTForm field (there are no check, but you should put here only BooleanField.
        kwargs - pass any arguments you want in order to put them into the html attributes.
        There are few exceptions: for - for_, class - class_, class__ - class_

    Example usage:
        {{ macros.render_submit_field(form.answers) }}
 #}
{% macro render_form_field(field) -%}
<fieldset>
	{#<legend>{{field.label}}</legend>#}
	{{ _render_form(field, horizontal=true) }}
</fieldset>
{%- endmacro %}

{% macro render_list_field(field) -%}
<fieldset>
	<legend>{{ field.label.text }}</legend>
	<template id='{{field.name}}-template'>
		<li class="list-group-item">
			{{ _render_form(field.get_template(), horizontal=true) }}
			<a class="btn btn-danger" onclick="fieldlist.remove(this)">Remove</a>
		</li>
	</template>
	<ul class="list-group">
	{% for _field in field %}
		<li class="list-group-item">
		{{ _render_field(_field) }}
		<a class="btn btn-danger" onclick="fieldlist.remove(this)">Remove</a>
		</li>
	{% endfor %}
	</ul>
	<a class="btn btn-success" onclick="fieldlist.add('{{ field.name }}')">Add</a>
</fieldset>
{%- endmacro %}
{% macro _render_field(f) %}
    {% if f.type == 'BooleanField' %}
        {{ render_checkbox_field(f, **kwargs) }}
    {% elif f.type == 'RadioField' %}
        {{ render_radio_field(f, **kwargs) }}
    {% elif f.type == 'SubmitField' %}
        {{ render_submit_field(f, **kwargs) }}
    {% elif f.type == 'FormField' %}
        {{ render_form_field(f, **kwargs) }}
    {% elif f.type == 'ModelFieldList' %}
        {{ render_list_field(f, **kwargs) }}
    {% elif f.type == 'FieldList' %}
        {{ render_list_field(f, **kwargs) }}
    {% else %}
        {{ render_field(f, **kwargs) }}
    {% endif %}
{% endmacro %}
{% macro _render_form(form) -%}
    {% if caller %}
        {{ caller() }}
    {% else %}
        {% for f in form %}
            {{ _render_field(f, **kwargs) }}
        {% endfor %}
    {% endif %}
{%- endmacro %}
{# Renders WTForm in bootstrap way. There are two ways to call function:
     - as macros: it will render all field forms using cycle to iterate over them
     - as call: it will insert form fields as you specify:
     e.g. {% call macros.render_form(form, action_url=url_for('login_view'), action_text='Login',
                                        class_='login-form') %}
                {{ macros.render_field(form.email, placeholder='Input email', type='email') }}
                {{ macros.render_field(form.password, placeholder='Input password', type='password') }}
                {{ macros.render_checkbox_field(form.remember_me, type='checkbox') }}
            {% endcall %}

     Params:
        form - WTForm class
        action_url - url where to submit this form
        action_text - text of submit button
        class_ - sets a class for form
    #}
{% macro render_form(form, action_url='', class_='', method='post') -%}

	<form method="{{ method }}" {% if action_url %}action="{{ action_url }}" {% endif %}role="form" class="{{ class_ }}">
        <input name="form" type="hidden" value="{{ form.__class__.__name__ }}">
        {{ _render_form(form) }}
    </form>
{%- endmacro %}