{% from "nhsuk/macros/attributes.njk" import nhsukAttributes -%}

{#- Set classes for this component #}
{%- set classNames = "nhsuk-footer" -%}

{%- if params.classes %}
  {% set classNames = classNames ~ " " ~ params.classes %}
{% endif %}

{%- set columns = params.columns | default(4, true) -%}

{% switch columns %}
  {% case 1 %}
    {% set width = "full" %}
  {% case 2 %}
    {% set width = "one-half" %}
  {% case 3 %}
    {% set width = "one-third" %}
  {% default %}
    {% set width = "one-quarter" %}
    {% set columns = 4 %}
{% endswitch -%}

{% macro _footerList(items, modifier) %}
<ul class="nhsuk-footer__list">
{% for item in items %}
  {% if item %}
  <li class="nhsuk-footer__list-item">
    <a class="nhsuk-footer__list-item-link" href="{{ item.href }}"
      {{- nhsukAttributes(item.attributes) }}>
      {{- item.html | safe | trim | indent(6) if item.html else item.text -}}
    </a>
  </li>
  {% endif %}
{% endfor %}
</ul>
{% endmacro -%}

<footer class="{{ classNames }}" {%- if params.id %} id="{{ params.id }}"{% endif %} role="contentinfo"
  {{- nhsukAttributes(params.attributes) }}>
  <div class="nhsuk-width-container {%- if params.containerClasses %} {{ params.containerClasses }}{% endif %}">
{% if params.navigation %}
  {% for row in ([params.navigation] if params.navigation is mapping else params.navigation) | batch(columns) %}
    <div class="nhsuk-footer__navigation nhsuk-grid-row">
    {% for navigation in row %}
      <div class="nhsuk-grid-column-{{ navigation.width | default(width, true) }}">
      {% if navigation.title %}
        <h2 class="nhsuk-footer__heading nhsuk-heading-s">{{ navigation.title }}</h2>
      {% endif %}
      {% if navigation.html %}
        {{ navigation.html | safe | trim | indent(8) }}
      {% elif navigation.text %}
        <p class="nhsuk-body-s">{{ navigation.text }}</p>
      {% endif %}
      {% if navigation.items %}
        {{ _footerList(navigation.items) | trim | indent(8) }}
      {% endif %}
      </div>
    {% endfor %}
    </div>
  {% endfor %}
{% endif %}
    <div class="nhsuk-footer__meta">
{% if params.meta %}
    {% if params.meta.items %}
      <h2 class="nhsuk-u-visually-hidden">{{ params.meta.visuallyHiddenTitle | default("Support links") }}</h2>
      {{ _footerList(params.meta.items) | trim | indent(6) }}
    {% endif %}
    {% if caller or params.meta.html %}
      {{ caller() if caller else params.meta.html | safe | trim | indent(6) }}
    {% elif params.meta.text %}
      <p class="nhsuk-body-s">{{ params.meta.text }}</p>
    {% endif %}
{% endif %}
    {% if params.copyright.html %}
      {{ params.copyright.html | safe | trim | indent(6) }}
    {% elif params.copyright.text or params.copyright.text not in ["", null, false] %}
      <p class="nhsuk-body-s">{{ params.copyright.text | default("© NHS England") }}</p>
    {% endif %}
    </div>
  </div>
</footer>