{{- $Site := .Site -}}
{{- $Params := .Site.Params -}}
{{- $Page := .Page -}}
{{- with .Site.Params.openGraph -}}
{{- if .enable -}}
{{- $langCode := replaceRE "-([a-z]+)" (upper (substr $Site.Language -3)) $Site.Language }}
  <meta property="og:type" content="website">
  <meta property="og:title" content="{{ $Page.Title }}">
  <meta property="og:description" content="{{ default $Params.description $Page.Description }}">
  <meta property="og:image" content="{{ default $Params.customLogo.url }}">
  <meta property="og:url" content="{{ $Page.Permalink }}">
  <meta property="og:site_name" content="{{ $Site.Title }}">
  <meta property="og:locale" content="{{ $langCode }}">
  <meta property="article:author" content="{{ default $Params.author $Page.Params.Author }}">

{{- with .twitter -}}
{{- range $attr, $val := . }}
  <meta name="twitter:{{ $attr }}" content="{{ $val }}">
{{- end -}}
{{- end -}}

{{- with .googlePlus }}
  <link rel="publisher" href=" {{ . }}">
{{- end -}}

{{- with .facebook -}}
{{- range $attr, $val := . }}
  <meta property="fb:{{ $attr }}" content="{{ $val }}">
{{- end -}}
{{- end -}}

{{- end -}}
{{- end -}}