{{- $page := . -}}
{{- $bundleImages := slice -}}
{{- range $page.Resources.ByType "image" -}}
  {{- if strings.HasPrefix .Name "images/" -}}
    {{- $bundleImages = $bundleImages | append . -}}
  {{- end -}}
{{- end -}}

{{- if gt (len $bundleImages) 0 -}}
  {{- $coverPath := "" -}}
  {{- with $page.Params.cover -}}
    {{- $coverPath = strings.TrimSpace (printf "%v" .) -}}
  {{- end -}}
  {{- $coverImagePath := "" -}}
  {{- if ne $coverPath "" -}}
    {{- $coverPathLower := lower $coverPath -}}
    {{- if or (strings.HasSuffix $coverPathLower ".yaml") (strings.HasSuffix $coverPathLower ".yml") -}}
      {{- $coverDataFile := $page.Resources.GetMatch $coverPath -}}
      {{- if $coverDataFile -}}
        {{- $coverData := $coverDataFile.Content | transform.Unmarshal -}}
        {{- with index $coverData "file" -}}
          {{- $coverImagePath = strings.TrimSpace (printf "%v" .) -}}
        {{- end -}}
      {{- end -}}
    {{- else -}}
      {{- $coverImagePath = $coverPath -}}
    {{- end -}}
  {{- end -}}
  {{- $coverImageName := "" -}}
  {{- if ne $coverImagePath "" -}}
    {{- $coverImageName = lower (path.Base $coverImagePath) -}}
  {{- end -}}

  {{- $contentImageNames := slice -}}
  {{- $contentImageStems := slice -}}
  {{- $imageTags := findRE `(?is)<img[^>]+src=["'][^"']+["'][^>]*>` .Content -}}
  {{- range $imageTags -}}
    {{- $srcMatch := findRESubmatch `(?is)src=["']([^"']+)["']` . -}}
    {{- if gt (len $srcMatch) 0 -}}
      {{- $src := lower (index (index $srcMatch 0) 1) -}}
      {{- if or (in $src "/images/") (strings.HasPrefix $src "images/") (strings.HasPrefix $src "./images/") -}}
        {{- $srcName := path.Base $src -}}
        {{- $srcName = replaceRE "\\?.*$" "" $srcName -}}
        {{- $srcName = replaceRE "#.*$" "" $srcName -}}
        {{- $srcName = replaceRE "_hu_[^.]*" "" $srcName -}}
        {{- $srcStem := $srcName | replaceRE "\\.[^.]+$" "" -}}
        {{- $contentImageNames = $contentImageNames | append $srcName -}}
        {{- $contentImageStems = $contentImageStems | append $srcStem -}}
      {{- end -}}
    {{- end -}}
  {{- end -}}

  {{- $unusedImages := slice -}}
  {{- range $bundleImages -}}
    {{- $imageName := path.Base .Name -}}
    {{- $imageNameLower := lower $imageName -}}
    {{- $isCoverImage := false -}}
    {{- if and (ne $coverImageName "") (eq $imageNameLower $coverImageName) -}}
      {{- $isCoverImage = true -}}
    {{- end -}}

    {{- if not $isCoverImage -}}
      {{- $imageStem := $imageName | replaceRE "\\.[^.]+$" "" -}}
      {{- $imageStemLower := lower $imageStem -}}
      {{- $isUsedInContent := false -}}
      {{- range $contentImageNames -}}
        {{- if eq . $imageNameLower -}}
          {{- $isUsedInContent = true -}}
        {{- end -}}
      {{- end -}}
      {{- if not $isUsedInContent -}}
        {{- range $contentImageStems -}}
          {{- if eq . $imageStemLower -}}
            {{- $isUsedInContent = true -}}
          {{- end -}}
        {{- end -}}
      {{- end -}}
      {{- if not $isUsedInContent -}}
        {{- $unusedImages = $unusedImages | append . -}}
      {{- end -}}
    {{- end -}}
  {{- end -}}

  {{- if gt (len $unusedImages) 0 -}}
<aside class="article-complementary-images">
  <section>
    <h2>Images complémentaires</h2>
    <ul>
      {{- range $unusedImages -}}
        {{- $imageName := path.Base .Name -}}
        {{- $imageStem := $imageName | replaceRE "\\.[^.]+$" "" -}}
        {{- $data := dict -}}
        {{- $dataFile := $page.Resources.Get (printf "data/images/%s.yaml" $imageStem) -}}
        {{- if not $dataFile -}}
          {{- $dataFile = $page.Resources.Get (printf "data/%s.yaml" $imageStem) -}}
        {{- end -}}
        {{- if $dataFile -}}
          {{- $data = $dataFile.Content | transform.Unmarshal -}}
        {{- end -}}
        {{- $title := default (printf "Image complémentaire : %s" $imageName) (index $data "title") -}}
        {{- $thumbnail := . -}}
        {{- if and (ne .MediaType.SubType "svg") (gt .Width 360) -}}
          {{- $thumbnail = .Resize "360x webp q80" -}}
        {{- end -}}
      <li>
        <a href="{{ .RelPermalink }}" title="{{ $title }}">
          <img src="{{ $thumbnail.RelPermalink }}" alt="{{ $title }}" loading="lazy" decoding="async">
        </a>
      </li>
      {{- end -}}
    </ul>
  </section>
</aside>
  {{- end -}}
{{- end -}}