{{/* Return the requested SVG icon */}}
{{/* Search for the icon in the Hugo Blox Builder icon library, falling back to user's icon library */}}

{{ $dirFile := path.Split .name }}
{{ $pack := .pack | default (strings.Replace $dirFile.Dir "/" "") | default "hero" }}
{{ $name := $dirFile.File }}

{{- $icon_pack := index site.Data.icons $pack -}}
{{- $icon := index (index $icon_pack "icons") $name -}}

{{ if $icon }}
  {{ if in (slice "hb" "brands") $pack }}
    {{/* Pass */}}
  {{ else }}
    {{ $icon_body := index $icon "body" }}
    {{ $icon_size := index $icon_pack "height" }}
    {{ $icon = printf `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 %s %s">%s</svg>` (cast.ToString $icon_size) (cast.ToString $icon_size) $icon_body }}
  {{ end }}
{{ else }}
  {{ with index (index site.Data.icons.hb "icons") $name -}}
    {{ $icon = . }}
  {{ else }}
    {{- $prefix := printf "media/icons/%s/" $pack -}}
    {{- $icon_path := printf "%s%s.svg" $prefix $name -}}
    {{- if not (fileExists (printf "assets/%s" $icon_path)) -}}
      {{ $pageRef := "unknown location" }}
      {{ if .Page }}
        {{ if .Page.File }}
          {{ if .Page.File.Path }}
            {{ $pageRef = .Page.File.Path }}
          {{ else if .Page.RelPermalink }}
            {{ $pageRef = .Page.RelPermalink }}
          {{ end }}
        {{ else if .Page.RelPermalink }}
          {{ $pageRef = .Page.RelPermalink }}
        {{ end }}
      {{ end }}
      {{ partial "functions/logger" (dict
            "page" .Page
            "level" "warn"
            "id" (printf "missing-icon-%s-%s" $pack $name)
            "message" (printf "The icon `%s` was not found in `assets/media/icons/%s/`. Referenced in: %s" $name $pack $pageRef)
          )
      }}
    {{- end -}}
    {{- $icon := resources.Get $icon_path -}}
    {{ if $icon }}
      {{ $icon = .Content }}
    {{ else }}
      {{ $icon = index (index site.Data.icons.brands "icons") "hugo" }}
    {{ end }}
  {{ end }}
{{ end }}

{{ if .attributes }}
  {{ $icon = replaceRE "<svg" (printf "<svg %s" .attributes) $icon }}
{{ end }}

{{- return ($icon | safeHTML) -}}