{# SEO · Open Graph · Twitter · schema.org · feeds #}
{%- set site_name = site.title ?: 'GSEC' -%}
{%- set is_home = page.template == 'home' -%}
{%- set page_title = is_home ? site_name : page.title ~ ' · ' ~ site_name -%}
{%- set desc = (page.header.summary ?: page.header.description ?: site.metadata.description ?: '')|striptags|trim -%}
{%- set canonical = page.url(true, true) -%}
{%- set hero = page.media[page.header.hero_image] ?? null -%}
{%- set og_image = hero ? hero.url|absolute_url : url('theme://images/favicon.png', true) -%}

<title>{{ page_title }}</title>
<meta name="description" content="{{ desc }}">
<link rel="canonical" href="{{ canonical }}">

<meta property="og:type" content="{{ page.template == 'item' ? 'article' : 'website' }}">
<meta property="og:site_name" content="{{ site_name }}">
<meta property="og:title" content="{{ page_title }}">
<meta property="og:description" content="{{ desc }}">
<meta property="og:url" content="{{ canonical }}">
<meta property="og:locale" content="pt_BR">
<meta property="og:image" content="{{ og_image }}">

<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="{{ page_title }}">
<meta name="twitter:description" content="{{ desc }}">
<meta name="twitter:image" content="{{ og_image }}">

{# Feeds RSS — global e (em editoria) da própria editoria #}
<link rel="alternate" type="application/rss+xml" title="{{ site_name }} — Geral" href="{{ url('/feed.rss', true) }}">
{% if page.template == 'category' %}
  <link rel="alternate" type="application/rss+xml" title="{{ site_name }} — {{ page.title }}" href="{{ url(page.url ~ '.rss', true) }}">
{% endif %}

{# ---------------- JSON-LD ---------------- #}
{% if is_home %}
<script type="application/ld+json">
{{ {
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": site_name,
  "url": base_url_absolute,
  "inLanguage": "pt-BR",
  "potentialAction": {
    "@type": "SearchAction",
    "target": base_url_absolute ~ "/busca/?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}|json_encode(constant('JSON_PRETTY_PRINT') b-or constant('JSON_UNESCAPED_SLASHES') b-or constant('JSON_UNESCAPED_UNICODE'))|raw }}
</script>
{% elseif page.template == 'item' %}
{%- set author_name = (page.header.taxonomy.author[0] ?? page.header.author ?? site.author.name)|replace({'-': ' '})|title -%}
<script type="application/ld+json">
{{ {
  "@context": "https://schema.org",
  "@type": "NewsArticle",
  "headline": page.title,
  "description": desc,
  "image": [og_image],
  "datePublished": page.date|date('c'),
  "dateModified": page.modified|date('c'),
  "inLanguage": "pt-BR",
  "author": {"@type": "Person", "name": author_name},
  "publisher": {"@type": "Organization", "name": site_name, "logo": {"@type": "ImageObject", "url": url('theme://images/favicon.png', true)}},
  "mainEntityOfPage": {"@type": "WebPage", "@id": canonical}
}|json_encode(constant('JSON_UNESCAPED_SLASHES') b-or constant('JSON_UNESCAPED_UNICODE'))|raw }}
</script>
{% endif %}

{# BreadcrumbList #}
{% if not is_home %}
{%- set crumbs = [] -%}
{%- set position = 1 -%}
{%- set crumbs = crumbs|merge([{"@type":"ListItem","position":position,"name":"Início","item":base_url_absolute ~ "/"}]) -%}
{% for ancestor in page.parents|reverse %}
  {% if ancestor.routable and ancestor.template != 'root' and ancestor.url != '/' %}
    {%- set position = position + 1 -%}
    {%- set crumbs = crumbs|merge([{"@type":"ListItem","position":position,"name":ancestor.title,"item":ancestor.url(true,true)}]) -%}
  {% endif %}
{% endfor %}
{%- set crumbs = crumbs|merge([{"@type":"ListItem","position":position + 1,"name":page.title,"item":canonical}]) -%}
<script type="application/ld+json">
{{ {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":crumbs}|json_encode(constant('JSON_UNESCAPED_SLASHES') b-or constant('JSON_UNESCAPED_UNICODE'))|raw }}
</script>
{% endif %}