{{/* init.hmlt takes either a slice of .images or a .sourcePath that points to a bundle with images.
  An .id will be calculated if not provided. This will be used to create the URL to the data file.
*/}}

{{ $images := slice }}
{{ $galleryIDBase := .id }}
{{ with .images }}
  {{ $images = . }}
  {{ if not $galleryIDBase }}
    {{ range $images }}
      {{ $galleryIDBase = printf "%s%s" $galleryIDBase .RelPermalink }}
    {{ end }}
  {{ end }}
{{ else }}
  {{ $sourcePath := .sourcePath | default "images" }}
  {{ if not $galleryIDBase }}
    {{ $galleryIDBase = $sourcePath }}
  {{ end }}
  {{ $gallery := site.GetPage $sourcePath }}
  {{ $images = $gallery.Resources.ByType "image" }}
{{ end }}
{{ $galleryID :=  $galleryIDBase | crypto.FNV32a }}
{{ $imageDataUrl := "" }}
{{ $s := slice }}
{{ $params := site.Params.gallerydeluxe }}
{{ with $images }}
  {{ range . }}
    {{ $thumbs := partial "gallerydeluxe/create-thumbs.html" . }}
    {{ $full := $thumbs.full }}
    {{ $20 := (index $thumbs "20") }}
    {{ $colors := slice }}
    {{ $exif := dict }}
    {{ if $params.enable_exif }}
      {{/* Workaround for https://github.com/gohugoio/hugo/issues/10345 */}}
      {{ $tags := newScratch }}
      {{ range $k, $v := .Exif.Tags }}
        {{ $tags.Set $k $v }}
      {{ end }}
      {{ $exif = dict
        "Tags" $tags.Values
        "Date" .Exif.Date
        "Lat" .Exif.Lat
        "Long" .Exif.Long
      }}
    {{ end }}
    {{ if (ge hugo.Version "0.104") }}
      {{/* .Colors method was added in Hugo 0.104.0 */}}
      {{ $colors = $20.Colors }}
    {{ end }}
    {{ $m :=  dict
      "name" .Name
      "full" $full.RelPermalink
      "exif"  $exif
      "width" $full.Width
      "height" $full.Height
      "colors" $colors
      "20" $20.RelPermalink
      "100" (index $thumbs "100").RelPermalink
      "250" (index $thumbs "250").RelPermalink
      "500" (index $thumbs "500").RelPermalink
    }}
    {{ $s = $s | append $m }}
  {{ end }}
  {{ $r := $s | jsonify | resources.FromString (printf "%d-gallery.json" $galleryID ) }}
  {{ if hugo.IsProduction }}
    {{ $r = $r | minify | fingerprint }}
  {{ end }}
  {{ $imageDataUrl = $r.RelPermalink }}
{{ else }}
  {{ errorf "gallerydeluxe: No images provided. Either 'images' as as slice of images or 'sourcePath' must be set to point to a valid Hugo bundle with JPG images in it." }}
{{ end }}

{{ return (dict
  "imageDataUrl" $imageDataUrl
  )
}}