{{- /*
  Extends Hugo's embedded twitter_cards partial:
  https://github.com/gohugoio/hugo/blob/master/tpl/tplimpl/embedded/templates/_partials/twitter_cards.html

  Key differences:
  - Generates twitter:site / twitter:creator from site params (.Site.Params.social.twitter)
    - The param can be a string or a map; when it's a map, reads creator/id
*/ -}}
{{- $images := partial "_funcs/get-page-images" . }}
{{- with index $images 0 }}
  <meta name="twitter:card" content="summary_large_image">
  <meta name="twitter:image" content="{{ .Permalink }}">
{{- else }}
  <meta name="twitter:card" content="summary">
{{- end }}

{{- with or .Title site.Title site.Params.title | plainify }}
  <meta name="twitter:title" content="{{ . }}">
{{- end }}

{{- with or .Description .Summary site.Params.description | plainify | htmlUnescape }}
  <meta name="twitter:description" content="{{ trim . "\n\r\t " }}">
{{- end }}

{{- with site.Params.social.twitter -}}
  {{- $site := "" -}} 
  {{- $creator := "" -}}
  {{- if reflect.IsMap . -}}
    {{- $creator = .creator | default .id -}}
    {{- $site = .site | default $creator -}}
  {{- else -}}
    {{- $creator = . -}}
  {{- end -}}
  {{- with $site -}}
    <meta name="twitter:site" content="@{{ . }}">
  {{- end -}}
  {{- with $creator -}}
    <meta name="twitter:creator" content="@{{ . }}">
  {{- end -}}
{{- end -}}