<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="{{ if .IsHome }}{{ .Site.Params.Subtitle }}{{ else }}{{ .Summary | plainify }}{{ end }}" />
<meta name="keywords" content="{{ with .Params.Keywords }}{{ delimit . ", " }}{{ else }}{{ $.Site.Params.Keywords }}{{ end }}" />
<meta name="robots" content="noodp" />
<link rel="canonical" href="{{ .Permalink }}" />

{{ template "_internal/google_analytics.html" . }}

<!-- Theme CSS -->
<link rel="stylesheet" href="{{ "assets/style.css" | absURL }}">
{{ if (isset .Params "color") }}
  <link rel="stylesheet" href="{{ (printf "assets/%s.css" .Params.color) | absURL }}">
{{ else if and (ne $.Site.Params.ThemeColor "orange") (ne $.Site.Params.ThemeColor "color" "") }}
  <link rel="stylesheet" href="{{ (printf "assets/%s.css" $.Site.Params.ThemeColor) | absURL }}">
{{ end }}

<!-- Custom CSS to override theme properties (/static/style.css) -->
{{ if (fileExists "static/style.css") -}}
  <link rel="stylesheet" href="{{ "style.css" | absURL }}">
{{- end }}

<!-- Icons -->
<link rel="apple-touch-icon" href="{{ "img/apple-touch-icon-192x192.png" | absURL }}">
{{ if isset $.Site.Params "favicon" }}
  <link rel="shortcut icon" href="{{ $.Site.Params.favicon | absURL }}">
{{ else }}
  <link rel="shortcut icon" href="{{ printf "img/favicon/%s.png" ($.Site.Params.ThemeColor | default "orange") | absURL }}">
{{ end }}

<!-- Twitter Card -->
<meta name="twitter:card" content="summary" />
{{ if (isset $.Site.Params "twitter") }}
  {{ if (isset $.Site.Params.Twitter "site") }}
    <meta name="twitter:site" content="{{ $.Site.Params.Twitter.site }}" />
  {{ end }}
    <meta name="twitter:creator" content="{{ if .IsHome }}{{ $.Site.Params.Twitter.creator }}{{ else if isset .Params "authortwitter" }}{{ .Params.authorTwitter }}{{ else }}{{ .Params.Author }}{{ end }}" />
{{ end }}

<!-- OG data -->
<meta property="og:locale" content="{{ $.Site.Language.Lang }}" />
<meta property="og:type" content="{{ if .IsPage }}article{{ else }}website{{ end }}" />
<meta property="og:title" content="{{ if .IsHome }}{{ $.Site.Title }}{{ else }}{{ .Title }}{{ end }}">
<meta property="og:description" content="{{ if .IsHome }}{{ $.Site.Params.Subtitle }}{{ else if .Description}}{{ .Description | plainify }}{{ else }}{{ .Summary | plainify }}{{ end }}" />
<meta property="og:url" content="{{ .Permalink }}" />
<meta property="og:site_name" content="{{ $.Site.Title }}" />
{{ if and (not .IsHome) (isset .Params "cover") }}
  <meta property="og:image" content="{{ .Param "cover" | absURL }}">
{{ else }}
  {{ if isset $.Site.Params "favicon" }}
    <meta property="og:image" content="{{ $.Site.Params.favicon | absURL }}">
  {{ else }}
    <meta property="og:image" content="{{ printf "img/favicon/%s.png" $.Site.Params.ThemeColor | absURL }}">
  {{ end }}
{{ end }}
<meta property="og:image:width" content="2048">
<meta property="og:image:height" content="1024">
{{ range .Params.categories }}
  <meta property="article:section" content="{{ . }}" />
{{ end }}
{{ if isset .Params "date" }}
  <meta property="article:published_time" content="{{ time .Date }}" />
{{ end }}

<!-- RSS -->
{{ with .OutputFormats.Get "RSS" }}
  <link href="{{ .RelPermalink }}" rel="alternate" type="application/rss+xml" title="{{ $.Site.Title }}" />
{{ end }}

<!-- JSON Feed -->
{{ with .OutputFormats.Get "json" }}
  <link href="{{ .RelPermalink }}" rel="alternate" type="application/json" title="{{ $.Site.Title }}" />
{{ end }}

<!-- Extended head section-->
{{ partial "extended_head.html" . }}
