{{ $alt := .Get "alt" -}}
{{ $attr := .Get "attr" -}}
{{ $attrlink := .Get "attrlink" -}}
{{ $caption := .Get "caption" -}}
{{ $class := .Get "class" -}}
{{ $height := .Get "height" -}}
{{ $link := .Get "link" -}}
{{ $size := .Get "size" -}}
{{ $src := .Get "src" -}}
{{ $srcset := .Get "srcset" -}}
{{ $title := .Get "title" -}}
{{ $width := .Get "width" -}}

{{ $maxwidth := site.Params.imageMaxWidth -}}
{{ $realwidth := 0 -}}
{{ $realheight := 0 -}}
{{ $resource := false -}}
{{ $srcsetw := (slice) -}}
{{ $static := false -}}

{{ if and $src (fileExists (path.Join "/static" $src)) -}}
  {{ with (imageConfig (path.Join "/static" $src)) -}}
    {{ $realwidth = .Width -}}
    {{ $realheight = .Height -}}
  {{ end -}}
  {{ $static = true -}}
  {{ $src = relURL $src -}}
{{ else if $src -}}
  {{ $src = strings.TrimLeft "/" $src -}}
  {{ with resources.Get $src -}}
    {{ $resource = . -}}
  {{ end -}}
  {{ with .Page.Resources.Get $src -}}
    {{ $resource = . -}}
  {{ end -}}
{{ end -}}

{{ if $resource -}}
  {{ if $size -}}
    {{ $image := $resource.Resize $size -}}
    {{ $src = $image.RelPermalink -}}
    {{ if or $width $height -}}
      {{ $realwidth = $image.Width -}}
      {{ $realheight = $image.Height -}}
    {{ else -}}
      {{ $width = $image.Width -}}
      {{ $height = $image.Height -}}
    {{ end -}}
    {{ if $srcset -}}
      {{ $srcsetw = $srcsetw | append (printf "%s %sw" $src (strings.TrimRight "x" $size)) -}}
    {{ end -}}
  {{ else -}}
    {{ $src = $resource.RelPermalink -}}
    {{ $realwidth = $resource.Width -}}
    {{ $realheight = $resource.Height -}}
  {{ end -}}
  {{ if $srcset -}}
    {{ range $set := split $srcset " " -}}
      {{ $image := $resource.Resize (printf "%sx" $set) -}}
      {{ $srcsetw = $srcsetw | append (printf "%s %sw" $image.RelPermalink $set) -}}
    {{ end -}}
    {{ $width = "" -}}
    {{ $height = "" -}}
  {{ end -}}
{{ end -}}

{{ if and $width $height -}}
    {{ $width = int $width -}}
    {{ $height = int $height -}}
{{ else if $width -}}
  {{ $width = int $width -}}
  {{ $height = $realheight -}}
  {{ if and ($realwidth) (lt ($width) ($realwidth)) -}}
    {{ $height = (mul ($realheight) (div (add ($width) 0.0) ($realwidth))) -}}
    {{ $height = (math.Round $height) -}}
  {{ end -}}
{{ else if $height -}}
  {{ $width = $realwidth -}}
  {{ $height = int $height -}}
  {{ if and ($realheight) (lt ($height) ($realheight)) -}}
    {{ $width = (mul ($realwidth) (div (add ($height) 0.0) ($realheight))) -}}
    {{ $width = (math.Round $width) -}}
  {{ end -}}
{{ else if and ($maxwidth) (lt ($maxwidth) ($realwidth)) -}}
  {{ $width = ($maxwidth) -}}
  {{ $height = (mul ($realheight) (div (add ($width) 0.0) ($realwidth))) -}}
  {{ $height = (math.Round $height) -}}
{{ end -}}

{{ if not $src -}}
{{ warnf "%s shortcode number %d in \"content/%s\" is missing the \"src\" attribute." .Name .Ordinal .Page.File.Path -}}
{{ else if not (or $static $resource) -}}
{{ warnf "%s shortcode number %d in \"content/%s\" has an error in the \"src\" attribute." .Name .Ordinal .Page.File.Path -}}
{{ end -}}

<figure class="image{{ with $class }} {{ . }}{{ end }}">
{{ with $link }}<a href="{{ . }}">{{ end -}}
<img src="{{ $src }}"{{ with $srcsetw }} srcset="{{ delimit  .  ", " }}"{{ end }}{{ if isset .Params "alt" }} alt="{{ $alt }}"{{ end }}{{ with $width }} width="{{ . }}"{{ end }}{{ with $height }} height="{{ . }}"{{ end }}>
{{- if $link }}</a>{{ end }}
{{ if or $title $caption $attr -}}
<figcaption>
{{ with $title }}<strong>{{ . }}</strong><br>{{ end -}}
{{- $caption | markdownify }}{{ if and $caption $attr }} {{ end -}}
{{ with $attrlink }}<a href="{{ . }}">{{ end }}{{ $attr | markdownify }}{{ if $attrlink }}</a>{{ end -}}
</figcaption>
{{ end -}}
</figure>