{{/* FIXME: hot reload doesn't work on widgets children,
	need to change this page to get modification built
*/}}

{{- /* Shortcode "widgets" */ -}}
{{- /* Usage: {{< widgets >}} or {{< widgets 1 >}} {{< widgets 2 >}} */ -}}
{{- /* Displays content of headless pages within the same folder, */ -}}
{{- /* files starting with "_" or "_#1_", "_#2_", "_#intro_", etc. */ -}}

{{- /* Retrieve widgets within the folder where this shortcode page lives. */ -}}
{{- /* Widgets are headless pages starting with: */ -}}
{{- /* - "_" (no zone specified) */ -}}
{{- /*   or */ -}}
{{- /* - "_#x_" x=1, 2, intro... (specific named or numbered zone in page) */ -}}
{{- $widget_pattern := "_" -}}
{{- $widgets_type := "" -}}
{{- $widgets_zone := "" -}}
{{- $container_class := "" -}}
{{- if .IsNamedParams -}}
	{{- $widgets_zone = .Get "zone" -}}
	{{- $widgets_type = .Get "type" -}}
{{- else -}}
	{{- $widgets_zone = .Get 0 -}}
{{- end -}}
{{- if $widgets_zone -}}
	{{- $widget_pattern = print $widget_pattern "#" $widgets_zone "_" -}}
{{- else -}}
	{{- $widget_pattern = print $widget_pattern "[!#]" -}}
{{- end -}}
{{- $widget_pattern = print $widget_pattern "*" -}}

{{- /* @TODO: complete here for future widgets containers types */ -}}
{{- if (eq $widgets_type "info-container") -}}
	{{- $container_class = "info-container wrapper" -}}
{{- else if (eq $widgets_type "...") -}}
	{{- $container_class = "..." -}}
{{- else -}}
	{{- $container_class = "stack-l --s2" -}}
{{- end -}}

{{- $page := $.Page -}}
{{- $widgets_folder_path := $page.File.Path -}}
{{- if eq $page.File.Dir "/" -}}
	{{- $widgets_folder_path = print "_home_widgets/" $widgets_folder_path -}}
{{- end -}}
{{- $resources := ($page.GetPage $widgets_folder_path).Resources -}}


<div class="{{- $container_class | safeHTMLAttr -}}">
	{{- /* Load widgets */ -}}
	{{- $widgets_crit1 := where ($resources.Match $widget_pattern) ".Params.active" "!=" false -}}
	{{- $widgets_crit2 := where ($resources.ByType "page") ".Params.active" "!=" false -}}
	{{- $widgets := $widgets_crit1 | intersect $widgets_crit2 -}}

	{{- if not $widgets -}}
		{{- $warn_txt:= print "No widget found for page " $page.RelPermalink -}}
		{{- if $widgets_zone -}}
			{{- $warn_txt = print $warn_txt ", widget zone " $widgets_zone -}}
		{{- end -}}
		{{- $warn_txt = print $warn_txt " (pattern: " $widget_pattern ")" -}}
		{{- warnf $warn_txt -}}
	{{- end -}}

	{{- range $index, $widget := $widgets -}}
		{{- /* each element st is a widget define in an md file */ -}}

		{{- $params := $widget.Params -}}

		{{- /* for each widget we add an 'id' attribute: */ -}}
		{{- /* - specified in the front matter ('id') */ -}}
		{{- /* - or computed by default with file name */ -}}
		{{- $hash_id := $params.id -}}

		{{- /* TODO verify that ids are unique in the page */ -}}

		{{- /* text is the default widget type */ -}}
		{{- $widget_type := or $params.widget "text" -}}

		{{- /* get widget custom class */ -}}
		{{- $widget_custom_class := or $params.widget_class "" -}}

		{{- /* get if widget is in draft  */ -}}
		{{- $widget_isDraft := $params.draft -}}

		{{- /* div is the default htmlElement */ -}}
		<!-- {{- $html_element := or $params.htmlElement "div" -}} -->

		{{- $widget_path := printf "widgets/%s.html" $widget_type -}}

		{{- /* define css class based on the widget type */ -}}
		{{- /* wg-xxx     : widget type (e.g. "wg-text") */ -}}
		{{- /* wgi-xxx-yyy: widget type (e.g. "wgi-text-introduction") */ -}}
		{{- $wg_type_formatted := (replace (replace $widget_type "." "-") "_" "-") -}}
		{{- $widget_class := printf "wg-%s wgi-%s-%s %s" $wg_type_formatted $wg_type_formatted $hash_id $widget_custom_class -}}

		{{- $widget_html_start := printf `<div id="%s" class="%s">` $hash_id $widget_class -}}
		{{- $widget_html_end := printf `</div>` -}}

		{{/* Render widget only if not in drafts */}}
		{{ if not $widget_isDraft }}
			{{- $widget_html_start | safeHTML -}}
			{{- /* Call the widget's partial with widget context */ -}}
			{{ partial $widget_path $widget -}}
			{{- $widget_html_end | safeHTML -}}
		{{ end }}
	{{ end -}}
</div>