{{ .Scratch.Set "title" .Site.Title }}

{{ .Scratch.Set "publisherIcon" .Site.Params.favicon }}
{{ if .Site.Params.publisherIcon }}
    {{ .Scratch.Set "publisherIcon" .Site.Params.publisher_icon }}
{{ end }}

{{ if eq .Kind "home" }}
  {{ .Scratch.Set "title" $.Site.Params.brand }}
  {{ .Scratch.Set "description" .Site.Params.Description }}
{{ else }}
  {{ .Scratch.Set "description" .Description }}
{{ end }}

{{ if .IsSection }}
  {{ .Scratch.Set "title" ($.Site.Params.brand) }}
  {{ .Scratch.Add "title" " - " }}
  {{ .Scratch.Add "title" .LinkTitle }}
{{ end }}

{{ if .IsPage }}
  {{ .Scratch.Set "title" ($.Site.Params.brand) }}
  {{ .Scratch.Add "title" " - " }}
  {{ .Scratch.Add "title" .LinkTitle }}
{{ end }}

{{ "<!-- Open Graph image and Twitter Card metadata -->" | safeHTML }}
{{ $image_path := .Params.image | default .Site.Params.og_image -}}
{{ with $image_path }}
  {{ $image_path_local :=  printf "assets/%s" $image_path -}}
  {{ $image_ext := trim (path.Ext $image_path | lower) "." -}}
  {{ if fileExists $image_path_local -}} 
    {{ $image_path:= resources.Get $image_path}}
    <meta property="og:image" content="{{ $image_path.RelPermalink }}" />
    {{/* If not SVG, read image aspect ratio and define Twitter Card and Open Graph width and height  */ -}}
    {{ if ne $image_ext "svg" -}}
      {{ with (imageConfig $image_path_local) -}}
        {{ if (and (gt .Width 144) (gt .Height 144)) -}}
          <meta name="twitter:image" content="{{ $image_path.RelPermalink }}"/>
          <meta name="twitter:card" content="summary{{ if (and (gt .Width 300) (gt .Height 157) (not (eq .Width .Height))) }}_large_image{{ end }}">
        {{ end -}}
        <meta property="og:image:width" content="{{ .Width }}">
        <meta property="og:image:height" content="{{ .Height }}">
      {{ end -}}
    {{ end -}}
    <meta property="og:image:type" content="image/{{ if eq $image_ext `svg` }}svg+xml{{ else }}{{ replaceRE `^jpg$` `jpeg` $image_ext }}{{ end }}">
  {{ end -}}
{{ end -}}

<!-- Title Tags -->
<title itemprop="name">{{ .Scratch.Get "title" }}</title>
<meta property="og:title" content={{ .Scratch.Get "title" }} />
<meta name="twitter:title" content={{ .Scratch.Get "title" }} />
<meta itemprop="name" content={{ .Scratch.Get "title" }} />
<meta name="application-name" content={{ .Scratch.Get "title" }} />
<meta property="og:site_name" content="{{ .Site.Title }}" />

<!-- Description Tags -->
<meta name="description" content="{{ .Scratch.Get "description" }}" />
<meta itemprop="description" content="{{ .Scratch.Get "description" }}" />
<meta property="og:description" content="{{ .Scratch.Get "description" }}" />
<meta name="twitter:description" content="{{ .Scratch.Get "description" }}" />

<!-- Link Tags -->
<base href="{{ .Permalink }}" />
<link rel="canonical" href="{{ .Permalink }}" itemprop="url" />
<meta name="url" content="{{ .Permalink }}" />
<meta name="twitter:url" content="{{ .Permalink }}" />
<meta property="og:url" content="{{ .Permalink }}" />

<!-- Date Tags -->
<meta property="og:updated_time" content="{{ .Lastmod.Format "2006-01-02T15:04:05Z07:00" }}" />

<!-- Sitemap & Alternate Outputs -->
<link rel="sitemap" type="application/xml" title="Sitemap" href='{{ "sitemap.xml" | absURL }}' />
{{ range .AlternativeOutputFormats -}}
    {{ printf `<link href="%s" rel="%s" type="%s" title="%s" />` .Permalink .Rel .MediaType.Type $.Site.Title | safeHTML }}
{{ end -}}

<!-- Search Engine Crawler Tags -->
<meta name="robots" content="index,follow" />
<meta name="googlebot" content="index,follow" />

<!-- Social Media Tags -->
{{if (or (ne .Site.Params.twitter_url nil) (ne .Site.Params.x_url nil))}}
  {{ $twitter_user := index (split (default .Site.Params.twitter_url .Site.Params.x_url) "/") 3 }}
    <meta name="twitter:site" content="@{{ $twitter_user }}" />
    <meta name="twitter:creator" content="@{{ $twitter_user }}" />
{{end}}
<meta property="fb:admins" content="{{ .Site.Params.fb.admins }}" />

<!-- Other Tags -->
<meta name="apple-mobile-web-app-title" content="{{ .Site.Title }}" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />

<!-- Article Specific Tags -->
<!-- To make sure this renders only in the article page, we check the section -->
{{ if and (eq .Section "posts") (.Page.IsNode) }}
<!-- Pagination meta tags for list pages only -->
{{ $paginator := .Paginate (where .Pages "Type" "posts") }}
{{ if $paginator }}
  <link rel="first" href="{{ $paginator.First.URL }}" />
  <link rel="last" href="{{ $paginator.Last.URL }}" />
  {{ if $paginator.HasPrev }}
    <link rel="prev" href="{{ $paginator.Prev.URL }}" />
  {{end }}
  {{ if $paginator.HasNext }}
    <link rel="next" href="{{ $paginator.Next.URL }}" />
  {{end }}
{{end }}

<meta property="og:type" content="article" />
<meta property="article:publisher" content="{{ .Site.Params.facebook_url }}" />
<meta property="og:article:published_time" content="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}" />
<meta property="article:published_time" content="{{ .Date.Format "2006-01-02T15:04:05Z07:00"  }}" />

{{ with (or (.Params.Author) (.Site.Language.Params.Author.Name)) }}
  <meta property="og:article:author" content="{{ . }}" />
  <meta property="article:author" content="{{ . }}" />
  <meta name="author" content="{{ . }}" />
{{ end }}

{{ with.Params.category }}
  <meta name="news_keywords" content="{{ index . 0 }}" />
  <meta property="article:section" content="{{ index . 0 }}" />
{{ end }}

{{ end }}

<!-- Hugo Generator Attribution -->
{{ hugo.Generator }}