{{- $isExternal := strings.HasPrefix .Destination "http" -}}
{{- $parsed := urls.Parse .Destination -}}
{{- $host := $parsed.Host -}}
{{- $path := $parsed.Path -}}
{{- $query := $parsed.RawQuery -}}
{{- $page := .Page -}}
{{- $site := $page.Site -}}
{{- $aff := index $site.Data.affiliates.sites $host -}}
{{- $isAffiliated := false -}}
{{- $scratch := $page.Scratch -}}
{{- $externalCache := $scratch.Get "externalLinksCache" -}}
{{- if not $externalCache -}}
  {{- $externalCache = dict -}}
  {{- if fileExists "tools/cache/external_links.yaml" -}}
    {{- with readFile "tools/cache/external_links.yaml" -}}
      {{- $parsedCache := transform.Unmarshal . -}}
      {{- if $parsedCache -}}
        {{- $externalCache = $parsedCache -}}
      {{- end -}}
    {{- end -}}
  {{- end -}}
  {{- $scratch.Set "externalLinksCache" $externalCache -}}
{{- end -}}
{{- $cacheEntry := index $externalCache .Destination -}}
{{- $isDeadLink := and $cacheEntry (eq (index $cacheEntry "manually_killed") true) -}}
{{- $newURL := .Destination -}}
{{- if and $isExternal $aff -}}
{{- $param := $aff.param -}}
{{- $value := $aff.value -}}
{{- $isAffiliated = true -}}
{{- if $query -}}
{{- $newURL = printf "%s://%s%s?%s&%s=%s" $parsed.Scheme $host $path $query $param $value -}}
{{- else -}}
{{- $newURL = printf "%s://%s%s?%s=%s" $parsed.Scheme $host $path $param $value -}}
{{- end -}}
{{- end -}}
{{- $titlePrefix := "" -}}
{{- if $isAffiliated -}}
{{- $titlePrefix = "Lien affilié" -}}
{{- else if $isExternal -}}
{{- $titlePrefix = "Lien externe" -}}
{{- end -}}
{{- $classes := slice -}}
{{- if $isExternal -}}
  {{- $classes = $classes | append "external" -}}
  {{- if $isAffiliated -}}
    {{- $classes = $classes | append "affiliated" -}}
  {{- end -}}
{{- end -}}
{{- if $isDeadLink -}}
  {{- $classes = $classes | append "dead" -}}
{{- end -}}
<a href="{{ $newURL }}" title="{{ $titlePrefix }}{{ .Title }}"
   {{- if $isExternal -}} rel="noreferrer"{{- end -}}
   {{- if gt (len $classes) 0 -}} class="{{ delimit $classes ` ` }}"{{- end -}}>
    {{- .Text | safeHTML -}}
</a>
{{- /* */ -}}