{% comment %}
 # -----------------------------------------------------------------------------
 # ~/_includes/themes/j1/procedures/layouts/resource_writer.proc
 # Liquid PROCEDURE to place HTML resources for every LAYOUT
 #
 # Product/Info:
 # https://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
 # -----------------------------------------------------------------------------
 # Test data:
 #    liquid_var:  {{ liquid_var | debug }}
 # -----------------------------------------------------------------------------
{% endcomment %}

{% comment %} liquid procedures
-------------------------------------------------------------------------------- {% endcomment %}
{% capture select_location %}themes/{{site.template.name}}/procedures/global/select_location.proc{% endcapture %}

{% comment %} variables
-------------------------------------------------------------------------------- {% endcomment %}
{% assign environment       = site.environment %}
{% assign placement         = include.region %}
{% assign resource_globals  = include.global %}
{% assign resource_settings = include.resource %}

{% comment %} helpers
-------------------------------------------------------------------------------- {% endcomment %}
{% assign is_placed = false %}

{% if page.debug %}
<!-- [DEBUG  ] [j1.layout.resource_writer.proc        ] [ process resource: {{resource_settings}} ] -->
{% endif %}

{% comment %} main
-------------------------------------------------------------------------------- {% endcomment %}
{% for global in resource_globals %}
  {% assign key   = global[0] %}
  {% assign value = global[1] %}
  {% if key == 'base_path' %} {% assign base_path = value %} {% endif %}
  {% if key == 'location' %}  {% assign location = value %}  {% endif %}
{% endfor %}

{% if page.debug %}
<!-- [DEBUG  ] [j1.layout.resource_writer.proc        ] [ placement detected as: {{is_placed}} ] -->
{% endif %}

{% comment %} place resource ENABLED
<!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ layout: '{{page.layout}}', resource_id: '{{resource_settings.id}}', placement: '{{placement}}' ] -->
-------------------------------------------------------------------------------- {% endcomment %}
{% if resource_settings.enabled %}

{% if resource_settings.script_load == 'sync' %}
  {% assign script_load = '' %}
{% else %}
  {% assign script_load = resource_settings.script_load  %}
{% endif %}

{% assign resource_region = resource_settings.region %}

{% comment %} place resource for theregion configured (resources.yml)
if placement == 'head' or placement == 'body'
-------------------------------------------------------------------------------- {% endcomment %}
{% if placement == resource_region %}

<!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ resource_id: '{{resource_settings.id}}', script_load: '{{script_load}}' ] -->
<!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ placement_region: '{{placement}}', resource_region: '{{resource_region}}' ] -->

  {% assign layout_valid = false %}
  {% for layout in resource_settings.layout %}
    {% assign layout = layout|downcase %}
    {% if layout == page.layout or layout == 'all' %}
      {% assign layout_valid = true %}
      {% assign layout = page.layout|downcase %}
    {% endif %}
  {% endfor %}

  {% assign resource_valid = false %}
  {% if resource_settings.required == 'always' %}
    {% assign resource_valid = true %}
  {% else %}
    {% for resource in page.resources %}
      {% if resource == resource_settings.id %}
        {% assign resource_valid = true %}
      {% endif %}
    {% endfor %}
  {% endif %}

  {% comment %} resource placement
  ------------------------------------------------------------------------------ {% endcomment %}
  {% if layout_valid and resource_valid and is_placed == false %}

    {% comment %} process all data keys
    ---------------------------------------------------------------------------- {% endcomment %}
    {% for data_var in resource_settings.data %}

      {% assign data_key   = data_var[0] %}
      {% assign data_value = data_var[1] %}

      {% if page.debug %}
      <!-- [DEBUG  ] [j1.layout.resource_writer.proc        ] [ placement detected as: '{{is_placed}}' ] -->
      <!-- [DEBUG  ] [j1.layout.resource_writer.proc        ] [ process data_key: '{{data_key}}' ] -->
      {% endif %}

      {% if page.debug %}
      <!-- [DEBUG  ] [j1.layout.resource_writer.proc        ] [ process data_value: '{{data_value}}' ] -->
      {% endif %}

      {% comment %} process data key of type 'files'
      -------------------------------------------------------------------------- {% endcomment %}
      {% if data_key == 'files' and layout_valid %}

        <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ layout: '{{page.layout}}', comment: '{{resource_settings.comment}}' ] -->
        <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ place resource|s of type '{{data_key}}' for resource_id: '{{resource_settings.id}}' ] -->

        {% for file in data_value %}

          {% assign splitted_resource = file | split: ":" %}
          {% assign url_detected = splitted_resource | size %}

          {% assign splitted_resource = file | split: "." %}
          {% assign split_count = splitted_resource | size %}

            {% if split_count > 1 %}
              {% assign resource_ext = splitted_resource | last %}

              {% case resource_ext %}
                {% when 'json' %}
                  {% if url_detected > 1 %}
                    <script {{script_load}} type="application/json" src="{{file}}"></script>
                  {% else %}
                    <script {{script_load}} type="application/json" src="{{base_path}}/{{file}}"></script>
                  {% endif %}
                  {% when 'js' %}
                    {% if url_detected > 1 %}
                      <script {{script_load}}  src="{{file}}"></script>
                    {% else %}
                      <script {{script_load}}  src="{{base_path}}/{{file}}"></script>
                    {% endif %}
                {% when 'css' %}
                  {% if url_detected > 1 %}
                    <link rel="stylesheet" href="{{file}}">
                  {% else %}
                    <link rel="stylesheet" href="{{base_path}}/{{file}}">
                  {% endif %}
                {% else %}
                  <--! UNKNOWN resource type detected for: "{{file}}" -->
              {% endcase %}
            {% else %}
              {% if url_detected > 1 %}
                <link rel="stylesheet" href="{{file}}">
              {% else %}
                <link rel="stylesheet" href="{{base_path}}/{{file}}">
              {% endif %}
            {% endif %}

        {% endfor %}
      {% endif %}

      {% comment %} process data key of type 'css'
      -------------------------------------------------------------------------- {% endcomment %}
      {% if data_key == 'css' and layout_valid %}
        {% for locator in data_value %}

          <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ layout: '{{page.layout}}', comment: '{{resource_settings.comment}}' ] -->
          <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ place resource|s of type '{{data_key}}' for resource_id: '{{resource_settings.id}}' ] -->

          {% include {{select_location}} location=location locator=locator %}
          {% assign my_location = {{location_source}} %}

          {% if environment == 'development' %}
            {% if location == 'remote' %} <link rel="stylesheet" href="{{my_location}}.css"> {% endif %}
            {% if location == 'local'  %} <link rel="stylesheet" href="{{my_location}}.css"> {% endif %}
          {% else %}
            {% if location == 'remote' %} <link rel="stylesheet" href="{{my_location}}.min.css"> {% endif %}
            {% if location == 'local'  %} <link rel="stylesheet" href="{{my_location}}.min.css"> {% endif %}
          {% endif %}

        {% endfor %}
      {% endif %}

      {% comment %} process data key of type 'js'
      -------------------------------------------------------------------------- {% endcomment %}
      {% if data_key == 'js' and layout_valid %}
        {% for locator in data_value %}

          <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ layout: '{{page.layout}}' , comment: '{{resource_settings.comment}}' ] -->
          <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ place resource|s of type '{{data_key}}' for resource_id: '{{resource_settings.id}}' ] -->

          {% include {{select_location}} location=location locator=locator %}
          {% assign my_location = {{location_source}} %}

          {% if environment == 'development' %}
            {% if location == 'remote' %} <script {{script_load}}  src="{{my_location}}.js"></script> {% endif %}
            {% if location == 'local'  %} <script {{script_load}}  src="{{my_location}}.js"></script> {% endif %}
          {% else %}
            {% if location == 'remote' %} <script {{script_load}}  src="{{my_location}}.min.js"></script> {% endif %}
            {% if location == 'local'  %} <script {{script_load}}  src="{{my_location}}.min.js"></script> {% endif %}
          {% endif %}

        {% endfor %}
      {% endif %}

    {% endfor %}

    {% comment %} END process all data keys
    ---------------------------------------------------------------------------- {% endcomment %}
    {% assign is_placed = true %}

    <!-- [INFO   ] [j1.layout.resource_writer.proc        ] [ placement for all data_keys finished ] -->

  {% endif %}
{% endif %} {% endif %}