{% comment %}
 # -----------------------------------------------------------------------------
 # ~/_data/templates/seo-tags.html
 # Liquid template to create the HTML portion for the seo-tags plugin
 #
 # Product/Info:
 # https://jekyll.one
 #
 # Copyright (C) 2023 Juergen Adams
 #
 # J1 Theme is licensed under the MIT License.
 # See: https://github.com/jekyll-one-org/j1-template/blob/main/LICENSE.md
 # -----------------------------------------------------------------------------
 # Test data:
 #   liquid_var: {{ liquid_var | debug }}
 # -----------------------------------------------------------------------------
{% endcomment %}

<!-- Begin J1 SEO tags -->

{% if seo_tag.title? %}
  <title>{{ seo_tag.title }}</title>
{% endif %}

<meta name="generator" content="Jekyll v{{ jekyll.version }}" />

{% if seo_tag.page_title %}
  <meta property="og:title" content="{{ seo_tag.page_title }}" />
{% endif %}

{% if seo_tag.author.name %}
  <meta name="author" content="{{ seo_tag.author.name }}" />
{% endif %}

<meta property="og:locale" content="{{ seo_tag.page_locale }}" />

{% if seo_tag.description %}
  <meta name="description" content="{{ seo_tag.description }}" />
  <meta property="og:description" content="{{ seo_tag.description }}" />
  <meta property="twitter:description" content="{{ seo_tag.description }}" />
{% endif %}

{% if site.url %}
  <link rel="canonical" href="{{ seo_tag.canonical_url }}" />
  <meta property="og:url" content="{{ seo_tag.canonical_url }}" />
{% endif %}

{% if seo_tag.site_title %}
  <meta property="og:site_name" content="{{ seo_tag.site_title }}" />
{% endif %}

{% if seo_tag.image %}
  <meta property="og:image" content="{{ seo_tag.image.path }}" />
  {% if seo_tag.image.height %}
    <meta property="og:image:height" content="{{ seo_tag.image.height }}" />
  {% endif %}
  {% if seo_tag.image.width %}
    <meta property="og:image:width" content="{{ seo_tag.image.width }}" />
  {% endif %}
  {% if seo_tag.image.alt %}
    <meta property="og:image:alt" content="{{ seo_tag.image.alt }}" />
  {% endif %}
{% endif %}

{% if page.date %}
  <meta property="og:type" content="article" />
  <meta property="article:published_time" content="{{ page.date | date_to_xmlschema }}" />
{% else %}
  <meta property="og:type" content="website" />
{% endif %}

{% if page.previous %}
  <link rel="prev" href="{{ page.previous.url | absolute_url }}" />
{% endif %}
{% if page.next %}
  <link rel="next" href="{{ page.next.url | absolute_url }}" />
{% endif %}

{% if seo_tag.image %}
  <meta name="twitter:card" content="{{ page.twitter.card | default: site.twitter.card | default: "summary_large_image" }}" />
  <meta property="twitter:image" content="{{ seo_tag.image.path }}" />
{% else %}
  <meta name="twitter:card" content="summary" />
{% endif %}

{% if seo_tag.image.alt %}
  <meta name="twitter:image:alt" content="{{ seo_tag.image.alt }}" />
{% endif %}

{% if seo_tag.page_title %}
  <meta property="twitter:title" content="{{ seo_tag.page_title }}" />
{% endif %}

{% if site.twitter %}
  <meta name="twitter:site" content="@{{ site.twitter.username | remove:'@' }}" />

  {% if seo_tag.author.twitter %}
    <meta name="twitter:creator" content="@{{ seo_tag.author.twitter | remove:'@' }}" />
  {% endif %}
{% endif %}

{% if site.facebook %}
  {% if site.facebook.admins %}
    <meta property="fb:admins" content="{{ site.facebook.admins }}" />
  {% endif %}

  {% if site.facebook.author %}
    <meta property="article:author" content="{{ site.facebook.author }}" />
  {% endif %}

  {% if site.facebook.publisher %}
    <meta property="article:publisher" content="{{ site.facebook.publisher }}" />
  {% endif %}

  {% if site.facebook.app_id %}
    <meta property="fb:app_id" content="{{ site.facebook.app_id }}" />
  {% endif %}
{% endif %}

{% if site.webmaster_verifications %}
  {% if site.webmaster_verifications.google %}
    <meta name="google-site-verification" content="{{ site.webmaster_verifications.google }}" />
  {% endif %}

  {% if site.webmaster_verifications.bing %}
    <meta name="msvalidate.01" content="{{ site.webmaster_verifications.bing }}" />
  {% endif %}

  {% comment %} Alexa.com retired on May 1, 2022
  # ----------------------------------------------------------------------------
  {% if site.webmaster_verifications.alexa %}
    <meta name="alexaVerifyID" content="{{ site.webmaster_verifications.alexa }}" />
  {% endif %}
  {% endcomment %}

  {% if site.webmaster_verifications.yandex %}
    <meta name="yandex-verification" content="{{ site.webmaster_verifications.yandex }}" />
  {% endif %}

  {% comment %} Baidu requires chinese mobil number (for registration, not longer possible)
  # ----------------------------------------------------------------------------
  {% if site.webmaster_verifications.baidu %}
    <meta name="baidu-site-verification" content="{{ site.webmaster_verifications.baidu }}" />
  {% endif %}
  {% endcomment %}

  {% if site.webmaster_verifications.facebook %}
    <meta name="facebook-domain-verification" content="{{ site.webmaster_verifications.facebook }}" />
  {% endif %}
{% elsif site.google_site_verification %}
  <meta name="google-site-verification" content="{{ site.google_site_verification }}" />
{% endif %}

<script type="application/ld+json">
  {{ seo_tag.json_ld | jsonify }}
</script>

<!-- End J1 SEO tags -->