{{ $provider := trim (site.Params.comments.provider | lower) " " }}

{{ if $provider }}
  {{ $provider_tpl := printf "partials/comments/%s.html" $provider }}
  {{ $provider_exists := templates.Exists $provider_tpl }}
  {{ if not $provider_exists }}
    {{ errorf "The '%s' comment provider was not found." $provider }}
  {{ end }}

  {{ $commentable_page_types := site.Params.comments.commentable | default dict }}
  {{ $commentable_page_type := index $commentable_page_types .Type | default false }}
  {{ $commentable_page := (ne .Params.commentable false) | and $commentable_page_type }}

  {{ if $commentable_page }}
  <section id="comments">
    {{ partial $provider_tpl . }}
  </section>
  {{ end }}
{{ end }}