{% extends "base.html" %}

{% block title %}{{ page.title }} | {{ config.title }}{% endblock title %}
{% block description %}{{ page.description | default(value=config.description) }}{% endblock description %}
{% block canonical %}{{ page.permalink }}{% endblock canonical %}

{# Open Graph overrides for article pages #}
{% block og_title %}{{ page.title }}{% endblock og_title %}
{% block og_description %}{{ page.description | default(value=config.description) }}{% endblock og_description %}
{% block og_url %}{{ page.permalink }}{% endblock og_url %}
{% block og_type %}{% if page.ancestors is containing("posts/_index.md") %}article{% else %}website{% endif %}{% endblock og_type %}
{% block og_image %}{{ config.base_url }}{{ page.extra.image | default(value="/images/og-image.png") }}{% endblock og_image %}
{% block og_extra %}
  {% if page.ancestors is containing("posts/_index.md") %}
  {% if page.date %}<meta property="article:published_time" content="{{ page.date | date(format="%+") }}">{% endif %}
  {% if page.updated %}<meta property="article:modified_time" content="{{ page.updated | date(format="%+") }}">{% endif %}
  <meta property="article:author" content="{{ config.extra.author | default(value="andwati") }}">
  {% if page.taxonomies.tags %}
    {% for tag in page.taxonomies.tags %}
    <meta property="article:tag" content="{{ tag }}">
    {% endfor %}
  {% endif %}
  {% endif %}
{% endblock og_extra %}

{# Twitter Card overrides #}
{% block twitter_title %}{{ page.title }}{% endblock twitter_title %}
{% block twitter_description %}{{ page.description | default(value=config.description) }}{% endblock twitter_description %}
{% block twitter_image %}{{ config.base_url }}{{ page.extra.image | default(value="/images/og-image.png") }}{% endblock twitter_image %}

{% block head %}
  {% if page.ancestors is containing("posts/_index.md") %}
  <!-- SEO: BlogPosting JSON-LD -->
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "BlogPosting",
    "@id": "{{ page.permalink | safe }}#article",
    "mainEntityOfPage": {
      "@type": "WebPage",
      "@id": "{{ page.permalink | safe }}"
    },
    "headline": {{ page.title | json_encode | safe }},
    "description": {{ page.description | default(value=config.description) | json_encode | safe }},
    "image": "{{ config.base_url | safe }}{{ page.extra.image | default(value="/images/og-image.png") | safe }}",
    "url": "{{ page.permalink | safe }}",
    "inLanguage": "en-US",
    {% if page.date %}"datePublished": "{{ page.date | date(format="%+") }}",{% endif %}
    {% if page.updated %}"dateModified": "{{ page.updated | date(format="%+") }}",{% else %}{% if page.date %}"dateModified": "{{ page.date | date(format="%+") }}",{% endif %}{% endif %}
    "author": {
      "@type": "Person",
      "@id": "{{ config.base_url | safe }}/#author",
      "name": {{ config.extra.author | default(value="andwati") | json_encode | safe }},
      "url": "{{ config.base_url | safe }}/about/"
    },
    "publisher": {
      "@type": "Person",
      "@id": "{{ config.base_url | safe }}/#author",
      "name": {{ config.extra.author | default(value="andwati") | json_encode | safe }},
      "url": "{{ config.base_url | safe }}/about/"
    },
    "isPartOf": {
      "@type": "Blog",
      "@id": "{{ config.base_url | safe }}/#blog",
      "name": {{ config.title | json_encode | safe }},
      "url": "{{ config.base_url | safe }}/"
    }
    {% if page.taxonomies.tags %}
    ,"keywords": [{% for tag in page.taxonomies.tags %}{{ tag | json_encode | safe }}{% if not loop.last %},{% endif %}{% endfor %}]
    {% endif %}
  }
  </script>

  <!-- SEO: BreadcrumbList JSON-LD -->
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      { "@type": "ListItem", "position": 1, "name": "Home", "item": "{{ config.base_url | safe }}/" },
      { "@type": "ListItem", "position": 2, "name": "Posts", "item": "{{ config.base_url | safe }}/posts/" },
      { "@type": "ListItem", "position": 3, "name": {{ page.title | json_encode | safe }}, "item": "{{ page.permalink | safe }}" }
    ]
  }
  </script>
  {% else %}
  <!-- SEO: WebPage JSON-LD -->
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "WebPage",
    "@id": "{{ page.permalink | safe }}",
    "name": {{ page.title | json_encode | safe }},
    "description": {{ page.description | default(value=config.description) | json_encode | safe }},
    "url": "{{ page.permalink | safe }}",
    "inLanguage": "en-US",
    "isPartOf": {
      "@type": "WebSite",
      "@id": "{{ config.base_url | safe }}/#website"
    }
  }
  </script>

  <!-- SEO: BreadcrumbList JSON-LD -->
  <script type="application/ld+json">
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
      { "@type": "ListItem", "position": 1, "name": "Home", "item": "{{ config.base_url | safe }}/" },
      { "@type": "ListItem", "position": 2, "name": {{ page.title | json_encode | safe }}, "item": "{{ page.permalink | safe }}" }
    ]
  }
  </script>
  {% endif %}

  {% if page.extra.math %}
  <link rel="stylesheet" href="{{ get_url(path="css/katex/katex.min.css") }}">
  <script defer src="{{ get_url(path="js/katex/katex.min.js") }}"></script>
  <script defer src="{{ get_url(path="js/katex/auto-render.min.js") }}"
      onload="renderMathInElement(document.body);"></script>
  {% endif %}

  {% if page.extra.mermaid %}
  <script type="module">
    import mermaid from '{{ get_url(path="js/mermaid.min.js") }}';
    mermaid.initialize({ startOnLoad: true, theme: 'dark' });
  </script>
  {% endif %}

  <!-- Reading Progress Bar -->
  <script defer src="{{ get_url(path="js/progress.js") }}"></script>

  <!-- Footnote backlinks -->
  <script defer src="{{ get_url(path="js/footnotes.js") }}"></script>

  <!-- Heading anchor links -->
  <script defer src="{{ get_url(path="js/heading-anchors.js") }}"></script>

  <!-- Sticky TOC active-section highlighting -->
  {% if page.toc %}
  <script defer src="{{ get_url(path="js/toc.js") }}"></script>
  {% endif %}

{% endblock head %}


{% block content %}
<div class="reading-progress-container" aria-hidden="true">
  <div class="reading-progress-bar" id="reading-progress-bar"></div>
</div>

<div class="post-layout">
<article class="post-detail">
    <header class="post-header">
        <h1 class="post-title">{{ page.title }}</h1>
        <div class="post-meta">
            {% if page.date %}
            <span class="post-meta-item">
                <time datetime="{{ page.date }}">{{ page.date | date(format="%B %e, %Y") }}</time>
            </span>
            {% endif %}
            {% if page.updated and page.updated != page.date %}
            <span class="post-meta-sep" aria-hidden="true">·</span>
            <span class="post-meta-item post-meta-updated">
                <span class="post-meta-label">Updated</span>
                <time datetime="{{ page.updated }}">{{ page.updated | date(format="%B %e, %Y") }}</time>
            </span>
            {% endif %}
            {% if page.reading_time %}
            <span class="post-meta-sep" aria-hidden="true">·</span>
            <span class="post-meta-item">
                {{ page.reading_time }} min read
            </span>
            {% endif %}
        </div>
    </header>

    {% include "partials/series-nav.html" %}

    {% include "partials/toc.html" %}

    <div class="post-body">
        {{ page.content | safe }}
    </div>

    {% include "partials/post-nav.html" %}

    {% include "partials/related-posts.html" %}

    <footer class="post-footer">
        <div class="post-tags-share">
            <div class="post-tags">
                {% if page.taxonomies.tags %}
                    {% for tag in page.taxonomies.tags %}
                        <a href="{{ get_taxonomy_url(kind="tags", name=tag) }}" class="tag">#{{ tag }}</a>
                    {% endfor %}
                {% endif %}
            </div>
            {% include "partials/social-share.html" %}
        </div>

        <!-- Utterances comments (posts only) -->
        {% include "partials/comments.html" %}
    </footer>
</article>

{% include "partials/toc-sidebar.html" %}
</div>
{% endblock content %}