{% import 'admin/static.html' as admin_static with context %}

{# ---------------------- Pager -------------------------- #}
{% macro pager(page, pages, generator) -%}
{% if pages > 1 %}
<ul class="pagination">
    {% set min = page - 3 %}
    {% set max = page + 3 + 1 %}

    {% if min < 0 %}
        {% set max = max - min %}
    {% endif %}
    {% if max >= pages %}
        {% set min = min - max + pages %}
    {% endif %}

    {% if min < 0 %}
        {% set min = 0 %}
    {% endif %}
    {% if max >= pages %}
        {% set max = pages %}
    {% endif %}

    {% if min > 0 %}
    <li>
        <a href="{{ generator(0) }}">&laquo;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&laquo;</a>
    </li>
    {% endif %}
    {% if page > 0 %}
    <li>
        <a href="{{ generator(page-1) }}">&lt;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&lt;</a>
    </li>
    {% endif %}

    {% for p in range(min, max) %}
    {% if page == p %}
    <li class="active">
        <a href="javascript:void(0)">{{ p + 1 }}</a>
    </li>
    {% else %}
    <li>
        <a href="{{ generator(p) }}">{{ p + 1 }}</a>
    </li>
    {% endif %}
    {% endfor %}

    {% if page + 1 < pages %}
    <li>
        <a href="{{ generator(page + 1) }}">&gt;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&gt;</a>
    </li>
    {% endif %}
    {% if max < pages %}
    <li>
        <a href="{{ generator(pages - 1) }}">&raquo;</a>
    </li>
    {% else %}
    <li class="disabled">
        <a href="javascript:void(0)">&raquo;</a>
    </li>
    {% endif %}
</ul>
{% endif %}
{%- endmacro %}

{# ---------------------- Forms -------------------------- #}
{% macro render_field(form, field, kwargs={}, caller=None) %}
  {% set direct_error = h.is_field_error(field.errors) %}
  <div class="form-group{{ ' error' if direct_error else '' }}">
    <label for="{{ field.id }}" class="col-md-2 control-label">{{ field.label.text }}
        {% if h.is_required_form_field(field) %}
          <strong style="color: red">&#42;</strong>
        {%- else -%}
          &nbsp;
        {%- endif %}
    </label>
    <div class="{{ kwargs.get('column_class', 'col-md-10') }}">
      {% set _dummy = kwargs.setdefault('class', 'form-control') %}
      {{ field(**kwargs)|safe }}
    </div>
    {% if field.description %}
    <span class="help-block">{{ field.description }}</span>
    {% endif %}
    {% if direct_error %}
      <ul{% if direct_error %} class="input-errors"{% endif %}>
      {% for e in field.errors if e is string %}
        <li>{{ e }}</li>
      {% endfor %}
      </ul>
    {% endif %}
    {% if caller %}
      {{ caller(form, field, direct_error, kwargs) }}
    {% endif %}
  </div>
{% endmacro %}

{% macro render_header(form, text) %}
    <h3>{{ text }}</h3>
{% endmacro %}

{% macro render_form_fields(form, form_opts=None) %}
    {% if form.hidden_tag is defined %}
        {{ form.hidden_tag() }}
    {% else %}
        {% if csrf_token %}
        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
        {% endif %}
        {% for f in form if f.widget.input_type == 'hidden' %}
            {{ f }}
        {% endfor %}
    {% endif %}

    {% if form_opts and form_opts.form_rules %}
        {% for r in form_opts.form_rules %}
            {{ r(form, form_opts=form_opts) }}
        {% endfor %}
    {% else %}
        {% for f in form if f.widget.input_type != 'hidden' %}
          {% if form_opts %}
            {% set kwargs = form_opts.widget_args.get(f.name, {}) %}
          {% else %}
            {% set kwargs = {} %}
          {% endif %}
          {{ render_field(form, f, kwargs) }}
        {% endfor %}
    {% endif %}
{% endmacro %}

{% macro form_tag(form=None, action=None) %}
    <form action="{{ action or '' }}" method="POST" role="form" class="form-horizontal" enctype="multipart/form-data">
      {{ caller() }}
    </form>
{% endmacro %}

{% macro render_form_buttons(cancel_url, extra=None) %}
    <div class="form-group">
      <div class="col-sm-offset-2 col-sm-10 submit-row">
	<input type="submit" class="btn btn-primary" value="{{ _gettext('Submit') }}" />
	{% if extra %}
	{{ extra }}
	{% endif %}
	{% if cancel_url %}
	<a href="{{ cancel_url }}" class="btn btn-cancel" role="button">{{ _gettext('Cancel') }}</a>
	{% endif %}
      </div>
    </div>
{% endmacro %}

{% macro render_form(form, cancel_url, extra=None, form_opts=None, action=None) -%}
    {% call form_tag(action=action) %}
        {{ render_form_fields(form, form_opts=form_opts) }}
        {{ render_form_buttons(cancel_url, extra) }}
    {% endcall %}
{% endmacro %}

{% macro form_css() %}
  <link href="{{ admin_static.url(filename='vendor/select2/select2.css') }}" rel="stylesheet">
  <link href="{{ admin_static.url(filename='vendor/bootstrap-daterangepicker/daterangepicker-bs3.css') }}" rel="stylesheet">
{% endmacro %}

{% macro form_js() %}
  <script src="{{ admin_static.url(filename='vendor/bootstrap-daterangepicker/daterangepicker.js') }}"></script>
  <script src="{{ admin_static.url(filename='admin/js/form.js') }}"></script>
{% endmacro %}
