{% comment %}
 # -----------------------------------------------------------------------------
 # ~/_includes/themes/j1/procedures/posts/create_collection_article_preview.proc
 # Liquid PROCEDURE to create a series header for collection articles
 #
 # http://jekyll.one
 #
 # Copyright (C) 2023, 2024 Juergen Adams
 #
 # J1 Template is licensed under the MIT License.
 # See: https://github.com/jekyll-one-org/j1-template/blob/main/LICENSE
 # -----------------------------------------------------------------------------
 #   Posts procedure. Generates ...
 #
 #    Usage:
 #
 #      1)  assign the 'page', 'post' and 'readmore' variables
 #      2)  include the create_ad_block.proc procedure
 #
 #    Example:
 #
 #      {% capture create_ad_block %}themes/{{site.template.name}}/procedures/posts/create_ad_block.proc{% endcapture %}
 #      {% assign my_navigation_data = nav_data_array %}
 #
 #      {% include {{create_ad_block}} page=page post=post %}
 #
 # -----------------------------------------------------------------------------
 # Test data:
 #  liquid_var:  {{ liquid_var | debug }}
 #
 # -----------------------------------------------------------------------------
{% endcomment %}

{% comment %} Set config files
-------------------------------------------------------------------------------- {% endcomment %}
{% assign template_config     = site.data.j1_config %}
{% assign blocks              = site.data.blocks %}
{% assign modules             = site.data.modules %}
{% assign plugins             = site.data.plugins %}

{% comment %} Variables
-------------------------------------------------------------------------------- {% endcomment %}
{% assign category_blacklist  = template_config.posts.category_blacklist %}
{% assign articles            = include.collection %}

{% comment %} Debug templates
-------------------------------------------------------------------------------- {% endcomment %}
{% comment %} articles:  {{ articles | debug }} {% endcomment %}


{% comment %} Main
-------------------------------------------------------------------------------- {% endcomment %}
{% for article in articles %}

 {% comment %} article_url:  {{ article.url | debug }} {% endcomment %}
 {% comment %} article:  {{ article | debug }} {% endcomment %}

 <!-- Cleanup categories by given blacklist -->
 {% assign my_categories = article.categories | difference: category_blacklist %}

 <!-- Build element strings -->
 {% assign categories    = my_categories |join: " · "  %}
 {% assign tags          = article.tags | join: " · "  %}

 <article class="card raised-z0 mb-5">

   <div class="card-header bg-primary">
     <h3 id="{{100000|rand}}" class="card-header bg-primary notranslate">
       {{ article.title }}
     </h3>
   </div>

   <div class="row mx-0">

     <div class="col-md-4 img-bg--fill px-0" style="border-right: 1px dotted rgba(0, 0, 0, 0.25);
       filter: grayscale(1) contrast(0.8) brightness(0.7);
       background-image: url( {{article.book.cover}} );">
     </div>

     <div class="col-md-8 p-0">

       <div class="card-body r-text-300 mt-0">
         <div class="paragraph dropcap">
           {{ article.excerpt }}
         </div>
       </div>

       <div class="card-footer not-rounded r-text-200">
         <div class="card-footer-text">
           <i class="mdib mdib-calendar-blank md-grey-900 mr-1"></i> {{article.book.published}}</i>

           <!-- Cleanup categories by given blacklist -->
           <!-- Build element strings -->
           <p class="result-item-text small mb-3 notranslate">
             <i class="mdib mdib-tag-text-outline mdib-18px mr-1"></i>
             <span class="sr-categories">{{categories}}</span>
             <br>
             <i class="mdib mdib-tag mdib-18px mr-1"></i>
             <span class="sr-tags">{{tags}}</span>
           </p>
         </div>

         <a class="card-link text-lowercase" href="{{ article.url }}">
           read · {{article.tagline}}
         </a>
       </div>

     </div>
   </div>

 </article>

{% endfor %}