{{- $summary := .Summary | truncate 160 }}
{{- with .Params.description }}
  {{- $summary = (. | truncate 160) }}
{{- end }}
{{- $site := .Site.Title }}
{{- $title := .Title }}
{{- $params := .Site.Params }}
{{- $permalink := .Permalink }}
{{- $logo := absURL $params.logo }}
{{- $author := $params.author }}
{{- with .Params.author }}
  {{ $author := . }}
{{- end }}
{{- $image := absURL $params.fallBackOgImage }}
{{- with .Params.featureImage }}
  {{- $image = absURL .  }}
{{- end }}
{{- with .Params.thumbnail }}
  {{- $image = absURL .  }}
{{- end }}
{{- with .Params.shareImage }}
  {{- $image = absURL .  }}
{{- end }}
<meta property = "og:locale" content = "en_US" />
{{- if .IsHome }}
<meta property="og:type" content="website">
{{- else }}
<meta property="og:type" content="article">
{{- end }}
<meta name="description" content="{{ $summary }}">
<meta name = "twitter:card" content = "{{ if $params.largeTwitterCard }}summary_large_image{{ else }}summary{{ end }}" />
<meta name = "twitter:creator" content = "{{ $params.twitter }}">
<meta name = "twitter:title" content = "{{ .Title }}" />
<meta property = "og:url" content = "{{ $permalink }}" />
<meta property = "og:title" content = "{{ $title }}" />
<meta property = "og:description" content = "{{ $summary }}" />
<meta property = "og:image" content = "{{ $image }}" />
{{- if eq .Section $params.blogDir -}}
  {{- $date := ( .Date.Format "2006-02-01") -}}
  {{- $date := (time .Date) }}
  {{- $lastMod := (time .Lastmod) }}
  <script type = "application/ld+json">
    {
      "@context": "http://schema.org",
      "@type": "BlogPosting",
      "mainEntityOfPage":"{{ $permalink }}",
      "name": "{{ $site }}",
      "headline": {{ $title }},
      "description": {{ $summary }},
      "url": "{{ $permalink }}",
      "datePublished": {{ $date  }},
      "dateModified": {{ $lastMod }},
      "author": {
        "@type": "Person",
        "name": "{{ $author }}"
      },
      "image":{
        "@type":"ImageObject",
        "url": "{{ $image }}"
      },
      "publisher": {
        "@type": "Organization",
        "logo": {
          "@type":"ImageObject",
          "url": "{{ $logo }}"
        },
        "name": "{{ $site }}"
      }
    }
  </script>
{{- end }}