{{- $parsed := dict -}}
{{- $ok := false -}}
{{- with try (transform.Unmarshal .Inner) -}}
  {{- with .Err -}}
    {{- warnf "Toggle code block: unable to parse content at %s" $.Position -}}
  {{- else with .Value -}}
    {{- $parsed = . -}}
    {{- $ok = true -}}
  {{- end -}}
{{- end -}}

{{- if $ok -}}
  {{- $groupId := printf "tab-%s" (md5 (dict "Page" .Page | partial "function/id.html")) -}}
  {{- $activeFormat := "" -}}
  {{- $raw := strings.TrimSpace .Inner -}}
  {{- range $candidate := slice "json" "toml" "yaml" -}}
    {{- if not $activeFormat -}}
      {{- with try (transform.Unmarshal (dict "format" $candidate) $raw) -}}
        {{- if not .Err -}}
          {{- $activeFormat = $candidate -}}
        {{- end -}}
      {{- end -}}
    {{- end -}}
  {{- end -}}
  {{- $commonAttrsStr := printf ", group=%q" $groupId -}}
  {{- if ne .Attributes.copyable nil -}}
    {{- $commonAttrsStr = printf "%s, copyable=%v" $commonAttrsStr .Attributes.copyable -}}
  {{- end -}}
  {{- if ne .Attributes.downloadable nil -}}
    {{- $commonAttrsStr = printf "%s, downloadable=%v" $commonAttrsStr .Attributes.downloadable -}}
  {{- end -}}
  {{- if ne .Attributes.fullscreen nil -}}
    {{- $commonAttrsStr = printf "%s, fullscreen=%v" $commonAttrsStr .Attributes.fullscreen -}}
  {{- end -}}
  {{- if ne .Attributes.linenostoggler nil -}}
    {{- $commonAttrsStr = printf "%s, lineNosToggler=%v" $commonAttrsStr .Attributes.linenostoggler -}}
  {{- end -}}
  {{- if ne .Attributes.linewraptoggler nil -}}
    {{- $commonAttrsStr = printf "%s, lineWrapToggler=%v" $commonAttrsStr .Attributes.linewraptoggler -}}
  {{- end -}}
  {{- if ne .Attributes.editable nil -}}
    {{- $commonAttrsStr = printf "%s, editable=%v" $commonAttrsStr .Attributes.editable -}}
  {{- end -}}
  {{- with .Attributes.before_tabs -}}
    {{- $commonAttrsStr = printf "%s, before_tabs=%q" $commonAttrsStr . -}}
  {{- end -}}
  {{- $renderText := "" -}}
  {{- range $format := slice "toml" "yaml" "json" -}}
    {{- $content := transform.Remarshal $format $parsed -}}
    {{- if eq $format "toml" -}}
      {{- $content = replaceRE `(?m)^[\t ]+` "" $content -}}
    {{- else if eq $format "json" -}}
      {{- $content = $parsed | jsonify (dict "indent" "  ") -}}
    {{- end -}}
    {{- $active := cond (eq $format $activeFormat) ", .active" "" -}}
    {{- $jsonViewer := cond (eq $format "json") ", enable=false" "" -}}
    {{- $labelName := cond (ne $.Attributes.before_tabs nil) $format (upper $format) -}}
    {{- $block := printf "```%s {name=%q%s%s%s}\n%s\n```\n\n" $format $labelName $active $jsonViewer $commonAttrsStr $content -}}
    {{- $renderText = add $renderText $block -}}
  {{- end -}}
  {{- $renderText | .Page.RenderString -}}
{{- else -}}
  {{- partial "plugin/code-block-wrapper.html" . -}}
{{- end -}}