{{/*  Count number of gallery on page  */}}
{{- $.Page.Scratch.Add "gallerycount" 1 -}}
{{ $galno := $.Page.Scratch.Get "gallerycount" }}

{{/*  Load CSS/JS and make sure it is only loaded once  */}}
{{- if eq ($.Page.Scratch.Get "gallerycount") 1 }}
{{- with resources.Get "scss/snap-gallery.scss" | toCSS }}
<link rel="stylesheet" href="{{ .RelPermalink }}" crossorigin="anonymous">
{{- end }}
<script src="/js/snap-gallery.js"></script>
{{ end }}

{{/*  Initialise index of this gallery  */}}
<script>imageIndex[{{ $galno }}] = 1;</script>

{{/*  Initialise variables holding image paths  */}}
{{ $imgs := slice }}

{{/*  Get/sanitise image paths  */}}
{{ if .Params.isdir }}
  {{/*  Get images from folder, put into map  */}}
  {{ $imgdir := print "/static/" .Params.src }}
  {{- range readDir $imgdir -}}
  {{ $imgs = $imgs | append (print $.Params.src "/" .Name ) }}
  {{ end }}
{{ else }}
  {{/*  Get images from src Param, separated by comma  */}}
  {{ range (split .Params.src ",") }}
    {{ $imgs = $imgs | append (trim . " ") }}
  {{ end }}
{{ end }}

{{/*  Define cursor when hovering over images, depending on lightbox status  */}}
{{ $lightbox := (default true .Params.lightbox) }}
{{ $cursor := "auto" }}
{{ if $lightbox }}{{ $cursor = "zoom-in" }}{{ end }}

{{/*  Visible images in separate modes  */}}
{{ $mode := default "gallery" .Params.mode }}
{{/*  Gallery mode  */}}
{{ if eq $mode "gallery" }}
{{ partial "gallery" (dict "columns" .Params.columns "minwidth" .Params.minwidth "imgs" $imgs "galno" $galno "cursor" $cursor) }}
{{/*  Slideshow mode  */}}
{{ else if eq $mode "slideshow" }}
{{ partial "slideshow" (dict "imgs" $imgs "galno" $galno "width" .Params.slideshowwidth "cursor" $cursor) }}
{{/*  Set autorotate timer for slideshow, if configured (default: yes)  */}}
{{ if .Params.slideshowrotate }}
<script>const autoSlideshow = setInterval(moveSlideshowItem, {{ default 5000 .Params.slideshowrotate_timer }}, {{ $galno }}, 1, "auto");</script>
{{ end }}
{{ end }}

{{/*  The Modal/Lightbox  */}}
{{ if $lightbox }}
{{ partial "lightbox" (dict "galno" $galno "imgs" $imgs) }}
{{ end }}