{% from "nhsuk/components/back-link/macro.njk" import backLink as nhsukBackLink %}
{% from "nhsuk/macros/attributes.njk" import nhsukAttributes %}

{#- Set variant for this component #}
{%- set variant = params.variant -%}

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

{%- if variant == "reverse" and (not params.classes or not "nhsuk-breadcrumb--reverse" in params.classes) %}
  {% set classNames = classNames ~ " nhsuk-breadcrumb--" ~ variant %}
{% endif %}

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

{%- set ariaLabel = params.ariaLabel | default(params.labelText, true) | default("Breadcrumb", true) -%}

<nav class="{{ classNames }}" {%- if params.id %} id="{{ params.id }}"{% endif %} aria-label="{{ ariaLabel }}"
  {{- nhsukAttributes(params.attributes) }}>
  <ol class="nhsuk-breadcrumb__list">
{% for item in params.items %}
  {% if item.href %}
    <li class="nhsuk-breadcrumb__list-item">
      <a class="nhsuk-breadcrumb__link" href="{{ item.href }}" {{- nhsukAttributes(item.attributes) }}>
      {% if item.html %}
        {{ item.html | safe | trim | indent(8) }}
      {% elif item.text %}
        {{ item.text | trim | indent(8) }}
      {% endif %}
      </a>
    </li>
  {% endif %}
{% endfor %}
{% if params.text and params.href %}
    <li class="nhsuk-breadcrumb__list-item">
      <a class="nhsuk-breadcrumb__link" href="{{ params.href }}">
        {{ params.text | trim | indent(8) }}
      </a>
    </li>
  {% set lastHref = params.href %}
  {% set lastText = params.text %}
{% else %}
  {% set lastItem = params.items | last %}
  {% set lastHref = lastItem.href %}
  {% set lastText = lastItem.text %}
{% endif %}
  </ol>
  {{ nhsukBackLink({
    id: params.backLink.id,
    visuallyHiddenText: params.backLink.visuallyHiddenText | default("Back to"),
    text: params.backLink.text if (params.backLink.html or params.backLink.text) else lastText,
    html: params.backLink.html if (params.backLink.html or params.backLink.text),
    href: params.backLink.href | default(lastHref),
    type: params.backLink.type,
    classes: params.backLink.classes,
    attributes: params.backLink.attributes | default(lastItem.attributes),
    variant: params.backLink.variant | default(variant),
    element: params.backLink.element
  }) | trim | indent(2) }}
</nav>