{{- define "title" -}}
    {{- $name := .Name -}}
    {{- if lower $name | i18n -}}
            {{- $name = lower $name | i18n -}}
    {{- end -}}
    {{- $name | humanize -}}
{{- end -}}

{{- define "main" -}}
	{{- $paginator := slice -}}
	{{- if eq .Section "events" -}}
	        {{- $paginator = .Paginate (where site.RegularPages.ByLastmod.Reverse ".Params.when" "ne" nil) -}}
	{{- else if eq .Section "news" }}
		{{- $paginator = .Paginate (where (where .Site.RegularPages.ByLastmod.Reverse "Permalink" "!=" .Permalink) "Type" "in" .Site.Params.mainSections) }}
	{{- else -}}
	        {{- $paginator = .Paginate .RegularPagesRecursive.ByLastmod.Reverse -}}
	{{- end -}}
	{{- range first 5 $paginator.Pages -}}
			<article>
				<a href="{{- .Permalink -}}">
					<h2>{{ if and (isset .Params "categories") (eq .Section "events") }}{{ index .Params.categories 0 }}: {{ end }}{{- .Title -}}</h2>
					{{ if .Params.when }}
						<div style="margin-bottom: .4em;"><b>{{ .Params.when }}</b></div>
					{{ end }}
			                {{ if ne .Params.price nil }}
						{{ if eq .Params.price "free" }}
						        <div style="margin-bottom: .4em;">Der Eintritt ist frei.</div>
						{{ else }}
						        <div style="margin-bottom: .4em;">Eintritt: {{ .Params.price }}</div>
						{{ end }}
				        {{ end }}
				        {{ if ne .Params.register nil }}
				                <div>Anmeldung unter {{ .Params.register }} erwünscht</div>
				        {{ end }}
				        {{ if ne .Params.covid nil }}
				                <div>Es gilt die {{ .Params.covid }} Regel</div>
				        {{ end }}
					<div id="articledata">
					{{- if ne .Section .Site.Params.hiddenfolder -}}
						{{- if .Resources.ByType "image" -}}
							<div id="articleimage">
								{{- $pic := index (.Resources.ByType "image") 0 -}}
								{{- $thumb := $pic.Resize "1024x" }}
								<img src="{{- $thumb.Permalink -}}"/>
							</div>
						{{- end }}
						<div id="articletext">
						    {{- if .Params.description -}}
						    {{- .Params.description | plainify -}}
						    {{- else -}}
						    {{- .Summary | plainify -}}
						    {{- end }}
						    {{ if .Truncated }}
								<div id="readmore">{{- i18n "readmore" -}}..</div>
							{{ end }}
						</div>
					</div>
					{{- end -}}
				</a>
			</article>
		{{- end }}
		<div id="pagination">
			<!-- Number of links either side of the current page. -->
			{{ $adjacent_links := 2 }}

			<!-- $max_links = ($adjacent_links * 2) + 1 -->
			{{ $max_links := (add (mul $adjacent_links 2) 1) }}

			<!-- $lower_limit = $adjacent_links + 1 -->
			{{ $lower_limit := (add $adjacent_links 1) }}

			<!-- $upper_limit = $paginator.TotalPages - $adjacent_links -->
			{{ $upper_limit := (sub $paginator.TotalPages $adjacent_links) }}

			<!-- If there's more than one page. -->
			{{ if gt $paginator.TotalPages 1 }}

			    
			    <!-- First page. -->
			    {{ if ne $paginator.PageNumber 1 }}
			      <a class="pagination__link pagination__link--first" href="{{ $paginator.First.URL }}">
			        ««
			      </a>
			    {{ end }}

			    <!-- Previous page. -->
			    {{ if $paginator.HasPrev }}
			      <a href="{{ $paginator.Prev.URL }}" class="pagination__link pagination__link--previous">
			        «
			      </a>
			    {{ end }}
			  
			    <!-- Page numbers. -->
			    {{ range $paginator.Pagers }}
			    
			      {{ $.Scratch.Set "page_number_flag" false }}

			      
			      <!-- Advanced page numbers. -->
			      {{ if gt $paginator.TotalPages $max_links }}


			        <!-- Lower limit pages. -->
			        <!-- If the user is on a page which is in the lower limit.  -->
			        {{ if le $paginator.PageNumber $lower_limit }}

			          <!-- If the current loop page is less than max_links. -->
			          {{ if le .PageNumber $max_links }}
			            {{ $.Scratch.Set "page_number_flag" true }}
			          {{ end }}


			        <!-- Upper limit pages. -->
			        <!-- If the user is on a page which is in the upper limit. -->
			        {{ else if ge $paginator.PageNumber $upper_limit }}

			          <!-- If the current loop page is greater than total pages minus $max_links -->
			          {{ if gt .PageNumber (sub $paginator.TotalPages $max_links) }}
			            {{ $.Scratch.Set "page_number_flag" true }}
			          {{ end }}


			        <!-- Middle pages. -->
			        {{ else }}
			          
			          {{ if and ( ge .PageNumber (sub $paginator.PageNumber $adjacent_links) ) ( le .PageNumber (add $paginator.PageNumber $adjacent_links) ) }}
			            {{ $.Scratch.Set "page_number_flag" true }}
			          {{ end }}

			        {{ end }}

			      
			      <!-- Simple page numbers. -->
			      {{ else }}

			        {{ $.Scratch.Set "page_number_flag" true }}

			      {{ end }}

			      <!-- Output page numbers. -->
			      {{ if eq ($.Scratch.Get "page_number_flag") true }}
			          <a href="{{ .URL }}" class="pagination__link">
			            {{ .PageNumber }}
			          </a>
			      {{ end }}

			    {{ end }}

			    <!-- Next page. -->
			    {{ if $paginator.HasNext }}
			      <a href="{{ $paginator.Next.URL }}" class="pagination__link pagination__link--next">
			        »
			      </a>
			    {{ end }}

			    <!-- Last page. -->
			    {{ if ne $paginator.PageNumber $paginator.TotalPages }}
			      <a class="pagination__link pagination__link--last" href="{{ $paginator.Last.URL }}">
			        »»
			      </a>
			    {{ end }}

			{{ end }}
		</div>
{{- end -}}