{# social/meta_base.html — common, non-conflicting head tags #}
{# Expected context:
   site: { title, url, logo, default_image, twitter_site, fb_app_id, description? }
   request: Quart request (for canonical derivation)
   robots_override: optional string ("index,follow" / "noindex,nofollow")
#}

<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">

{# Canonical #}
{% set _site_url = site().url.rstrip('/') if site and site().url else '' %}
{% set canonical = (
    request.url if request and request.url
    else (_site_url ~ request.path if request and _site_url else _site_url or None)
) %}

{# Robots: allow override; default to index,follow #}
<meta name="robots" content="{{ robots_override if robots_override is defined else 'index,follow' }}">

{# Theme & RSS #}
<meta name="theme-color" content="#ffffff">
{% if _site_url %}
  <link rel="alternate" type="application/rss+xml"
        title="{{ site().title if site and site().title else 'RSS' }}"
        href="{{ _site_url }}/rss.xml">
{% endif %}

{# JSON-LD: Organization & WebSite are safe on all pages (don't conflict with BlogPosting) #}
{% set org_jsonld = {
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": site().title if site and site().title else "",
  "url": _site_url if _site_url else None,
  "logo": site().logo if site and site().logo else None
} %}
<script type="application/ld+json">
{{ org_jsonld | tojson }}
</script>

{% set website_jsonld = {
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": site().title if site and site().title else "",
  "url": _site_url if _site_url else canonical,
  "potentialAction": {
    "@type": "SearchAction",
    "target": (_site_url ~ "/search?q={query}") if _site_url else None,
    "query-input": "required name=query"
  }
} %}
<script type="application/ld+json">
{{ website_jsonld | tojson }}
</script>
