{#- Tarn settings and section classification. Shared by badges, tabs and sidebar. -#}
{% set settings = config.extra.tarn | default({}) %}
{% set labels = {"tutorial": "Tutorial", "howto": "How-to guide", "reference": "Reference", "explanation": "Explanation"} %}
{% set sections = {
  "tutorials": "tutorial", "tutorial": "tutorial",
  "how-to": "howto", "how-tos": "howto", "howto": "howto", "howtos": "howto", "how-to-guides": "howto", "guides": "howto",
  "reference": "reference", "references": "reference", "api": "reference",
  "explanation": "explanation", "explanations": "explanation", "concepts": "explanation",
  "": "primary", "index": "primary",
  "about": "secondary", "contributing": "secondary", "changelog": "secondary"
} %}

{% macro credit() -%}
  {%- if settings.credit | default(true) -%}
    and the <a href="{{ settings.credit_url | default('https://axelvoitier.github.io/zensical-tarn/', true) | e }}">Tarn</a> theme
  {%- endif -%}
{%- endmacro %}

{% macro section_type(url) -%}
  {%- set segment = url | split("/") | first -%}
  {%- if segment is endingwith(".html") -%}{%- set segment = segment[:-5] -%}{%- endif -%}
  {%- set overrides = settings.sections | default({}) -%}
  {%- set type = overrides[segment] if segment in overrides else sections[segment] | default("secondary") -%}
  {{- type if type in labels or type in ["primary", "secondary"] else "primary" -}}
{%- endmacro %}

{% macro navigation_attributes(item) -%}
  {%- if item.children -%}
    {{- navigation_attributes(item.children | first) -}}
  {%- elif item.url is defined -%}
    data-tarn-url="{{ item.url | e }}"
    {%- if settings.enabled | default(true) and settings.navigation | default(true) %}
      data-tarn-type="{{ 'secondary' if item.is_link else section_type(item.url) }}"
    {%- endif -%}
  {%- endif -%}
{%- endmacro %}

{% macro badge(page) -%}
  {%- if page and settings.enabled | default(true) and settings.badges | default(true) -%}
    {%- if page.meta.tarn and page.meta.tarn.type is defined -%}
      {%- set type = page.meta.tarn.type -%}
    {%- else -%}
      {%- set type = section_type(page.url) -%}
    {%- endif -%}
    {%- if type in labels -%}
      {%- set overrides = settings.labels | default({}) -%}
      <span class="tarn-dtx tarn-dtx--{{ type }}">{{ overrides[type] | default(labels[type]) | e }}</span>
    {%- endif -%}
  {%- endif -%}
{%- endmacro %}