{# ================================================================== #}
{# Breadcrumbs partial
{# ================================================================== #}
{#
	Generates breadcrumbs
	$crumbs {array} SEOMatic breadcrumbs, or Entry Models
	$config {object} (optional)
	$config.truncateOver {numeric}
	$config.keepLast {numeric} includes current page
	$config.showCurrent {boolean}


	Usage:

	{% include '__molecules/breadcrumbs' with {
		crumbs: seomatic.jsonLd.get('breadcrumbList').itemListElement|default
	} %}
#}


{% set defaultConfig = {
	truncateOver: 5,
	truncateTo: 3,
	showCurrent: true,
} %}

{% set config = defaultConfig|merge(config|default([])) %}

{% if crumbs %}

	<nav class="breadcrumbs" aria-label="You are here:" role="navigation">
		<ul class="breadcrumbs__wrapper">

			{% set ellipsisShown = false %}
			{% for item in crumbs %}

				{% if item['item']|default %}
					{% set crumbUrl = item['item']|default('/') %}
					{% set crumbName = item['name']|default('') %}
				{% else %}
					{% set crumbUrl = item['url']|default('/')  %}
					{% set crumbName = item['title']|default('') %}
				{% endif %}

				{% if loop.last %}
					{# In most instances, it isn't worth showing the current page #}
					{% if config.showCurrent %}
						<li class="breadcrumbs__crumb">
							<span class="breadcrumbs__active"><span class="sr-only">Current: </span> {{ crumbName }}</span>
						</li>
					{% endif %}

				{% elseif crumbs|length >= config.truncateOver and loop.index > 1 and loop.index <= (crumbs|length - config.truncateTo) and ellipsisShown %}
					{# Don't output anything, this is a middle crumb in a long list. #}

				{% elseif crumbs|length >= config.truncateOver and loop.index > 1 and loop.index <= (crumbs|length - config.truncateTo) and not ellipsisShown %}
					{# This is the middle of a long list of crumbs. Let's just show that we're omitting some parent pages. #}
					{% set ellipsisShown = true %}
					<li class="breadcrumbs__crumb">
						<span class="breadcrumbs__divider">
							&hellip;
						</span>
					</li>

				{% else %}
					{# Output a breadcrumb! #}
					<li class="breadcrumbs__crumb">
						<a class="breadcrumbs__link" href="{{ crumbUrl }}">{{ crumbName }}</a>
					</li>
				{% endif %}

			{% endfor %}
		</ul>
	</nav>

{% endif %}