{{- $context := .context -}}

{{- $disableSidebar := .disableSidebar | default false -}}
{{- $displayPlaceholder := .displayPlaceholder | default false -}}

{{- $sidebarClass := cond $disableSidebar (cond $displayPlaceholder "hx:md:hidden hx:xl:block" "hx:md:hidden") "hx:md:sticky" -}}

{{- $navRoot := cond (eq site.Home.Type "docs") site.Home $context.FirstSection -}}
{{- $pageURL := $context.RelPermalink -}}

{{/* EXPERIMENTAL */}}
{{- if .context.Params.sidebar.hide -}}
  {{- $disableSidebar = true -}}
  {{- $displayPlaceholder = true -}}
{{- end -}}


<aside class="hextra-sidebar-container hx:flex hx:flex-col hx:print:hidden hx:md:top-16 hx:md:shrink-0 hx:md:w-64 hx:md:self-start hx:max-md:[transform:translate3d(0,-100%,0)] {{ $sidebarClass }}">
  <!-- Search bar on small screen -->
  <div class="hx:px-4 hx:pt-4 hx:md:hidden">
    {{ partial "search.html" }}
  </div>
  <div class="hextra-scrollbar hx:overflow-y-auto hx:overflow-x-hidden hx:p-4 hx:grow hx:md:h-[calc(100vh-var(--navbar-height)-var(--menu-height))]">
    <ul class="hx:flex hx:flex-col hx:gap-1 hx:md:hidden">
      <!-- Nav -->
      {{ template "sidebar-main" (dict "context" site.Home "pageURL" $pageURL "page" $context "toc" true) -}}
      {{ template "sidebar-footer" }}
    </ul>

    <!-- Sidebar on large screen -->
    {{- if $disableSidebar -}}
      {{- if $displayPlaceholder }}<div class="hx:max-xl:hidden hx:h-0 hx:w-64 hx:shrink-0"></div>{{ end -}}
      {{ .context.Scratch.Set "enableFooterSwitches" true }}
    {{- else -}}
      <ul class="hx:flex hx:flex-col hx:gap-1 hx:max-md:hidden">
        {{ template "sidebar-main" (dict "context" $navRoot "page" $context  "pageURL" $pageURL) }}
        {{ template "sidebar-footer" }}
      </ul>
    {{ end -}}
  </div>
  {{/* Hide theme switch when sidebar is disabled */}}
  {{ $switchesClass := cond $disableSidebar "hx:md:hidden" "" -}}
  {{ $displayThemeToggle := (site.Params.theme.displayToggle | default true) -}}

  {{ if or hugo.IsMultilingual $displayThemeToggle }}
    <div class="{{ $switchesClass }} {{ with hugo.IsMultilingual }}hx:justify-end{{ end }} hx:sticky hx:bottom-0 hx:max-h-(--menu-height) hx:bg-white hx:dark:bg-dark hx:mx-4 hx:py-4 hx:shadow-[0_-12px_16px_#fff] hx:flex hx:items-center hx:gap-2 hx:border-gray-200 hx:dark:border-neutral-800 hx:dark:shadow-[0_-12px_16px_#111] hx:contrast-more:border-neutral-400 hx:contrast-more:shadow-none hx:contrast-more:dark:shadow-none hx:border-t" data-toggle-animation="show">
      {{- with hugo.IsMultilingual -}}
        {{- partial "language-switch" (dict "context" $context "grow" true) -}}
        {{- with $displayThemeToggle }}{{ partial "theme-toggle" (dict "hideLabel" true "location" "bottom-right") }}{{ end -}}
      {{- else -}}
        {{- with $displayThemeToggle -}}
          <div class="hx:flex hx:grow hx:flex-col">{{ partial "theme-toggle" }}</div>
        {{- end -}}
      {{- end -}}
    </div>
  {{- end -}}
</aside>

{{- define "sidebar-main" -}}
  {{ template "sidebar-tree" (dict "context" .context "level" 0 "page" .page "pageURL" .pageURL "toc" (.toc | default false)) }}
{{- end -}}

{{- define "sidebar-tree" -}}
  {{- if ge .level 4 -}}
    {{- return -}}
  {{- end -}}

  {{- $context := .context -}}
  {{- $page := .page }}
  {{- $pageURL := .page.RelPermalink -}}
  {{- $level := .level -}}
  {{- $toc := .toc | default false -}}

  {{- with $items := union .context.RegularPages .context.Sections -}}
    {{- $items = where $items "Params.sidebar.exclude" "!=" true -}}
    {{- if eq $level 0 -}}
      {{- range $items.ByWeight }}
        {{- if .Params.sidebar.separator -}}
          <li class="[word-break:break-word] hx:mt-5 hx:mb-2 hx:px-2 hx:py-1.5 hx:text-sm hx:font-semibold hx:text-gray-900 hx:first:mt-0 hx:dark:text-gray-100">
            <span class="hx:cursor-default">{{ partial "utils/title" . }}</span>
          </li>
        {{- else -}}
          {{- $active := eq $pageURL .RelPermalink -}}
          {{- $shouldOpen := or (.Params.sidebar.open) (.IsAncestor $page) $active | default true }}
          <li class="{{ if $shouldOpen }}open{{ end }}">
            {{- $linkTitle := partial "utils/title" . -}}
            {{- template "sidebar-item-link" dict "context" . "active" $active "title" $linkTitle "link" .RelPermalink -}}
            {{- if and $toc $active -}}
              {{- template "sidebar-toc" dict "page" . -}}
            {{- end -}}
            {{- template "sidebar-tree" dict "context" . "page" $page "pageURL" $pageURL "level" (add $level 1) "toc" $toc -}}
          </li>
        {{- end -}}
      {{- end -}}
    {{- else -}}
      <div class="hx:ltr:pr-0 hx:overflow-hidden">
        <ul class='hx:relative hx:flex hx:flex-col hx:gap-1 hx:before:absolute hx:before:inset-y-1 hx:before:w-px hx:before:bg-gray-200 hx:before:content-[""] hx:ltr:ml-3 hx:ltr:pl-3 hx:ltr:before:left-0 hx:rtl:mr-3 hx:rtl:pr-3 hx:rtl:before:right-0 hx:dark:before:bg-neutral-800'>
          {{- range $items.ByWeight }}
            {{- $active := eq $pageURL .RelPermalink -}}
            {{- $shouldOpen := or (.Params.sidebar.open) (.IsAncestor $page) $active | default true }}
            {{- $linkTitle := partial "utils/title" . -}}
            <li class="hx:flex hx:flex-col {{ if $shouldOpen }}open{{ end }}">
              {{- template "sidebar-item-link" dict "context" . "active" $active "title" $linkTitle "link" .RelPermalink -}}
              {{- if and $toc $active -}}
                {{ template "sidebar-toc" dict "page" . }}
              {{- end }}
              {{ template "sidebar-tree" dict "context" . "page" $page "pageURL" $pageURL "level" (add $level 1) "toc" $toc }}
            </li>
          {{- end -}}
        </ul>
      </div>
    {{- end -}}
  {{- end }}
{{- end -}}

{{- define "sidebar-toc" -}}
  {{ $page := .page }}
  {{ with $page.Fragments.Headings }}
    <ul class='hx:flex hx:flex-col hx:gap-1 hx:relative hx:before:absolute hx:before:inset-y-1 hx:before:w-px hx:before:bg-gray-200 hx:before:content-[""] hx:dark:before:bg-neutral-800 hx:ltr:pl-3 hx:ltr:before:left-0 hx:rtl:pr-3 hx:rtl:before:right-0 hx:ltr:ml-3 hx:rtl:mr-3'>
      {{- range . }}
        {{- with .Headings }}
          {{- range . -}}
            <li>
              <a
                href="#{{ anchorize .ID }}"
                class="hx:flex hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [word-break:break-word] hx:cursor-pointer [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] hx:contrast-more:border hx:gap-2 hx:before:opacity-25 hx:before:content-['#'] hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:text-gray-900 hx:contrast-more:dark:text-gray-50 hx:contrast-more:border-transparent hx:contrast-more:hover:border-gray-900 hx:contrast-more:dark:hover:border-gray-50"
              >
                {{- .Title | safeHTML | plainify | htmlUnescape -}}
              </a>
            </li>
          {{ end -}}
        {{ end -}}
      {{ end -}}
    </ul>
  {{ end }}
{{- end -}}

{{- define "sidebar-footer" -}}
  {{- range site.Menus.sidebar -}}
    {{- $name := or (T .Identifier) .Name -}}
    {{ if eq .Params.type "separator" }}
      <li class="[word-break:break-word] hx:mt-5 hx:mb-2 hx:px-2 hx:py-1.5 hx:text-sm hx:font-semibold hx:text-gray-900 hx:first:mt-0 hx:dark:text-gray-100">
        <span class="hx:cursor-default">{{ $name }}</span>
      </li>
    {{ else }}
      {{- $link := .URL -}}
      {{- with .PageRef -}}
        {{- if hasPrefix . "/" -}}
          {{- $link = relLangURL (strings.TrimPrefix "/" .) -}}
        {{- end -}}
      {{- end -}}
      <li>{{ template "sidebar-item-link" dict "active" false "title" $name "link" $link }}</li>
    {{ end }}
  {{- end -}}
{{- end -}}

{{- define "sidebar-item-link" -}}
  {{- $external := strings.HasPrefix .link "http" -}}
  {{- $open := .open | default true -}}
  <a
    class="hx:flex hx:items-center hx:justify-between hx:gap-2 hx:cursor-pointer hx:rounded-sm hx:px-2 hx:py-1.5 hx:text-sm hx:transition-colors [-webkit-tap-highlight-color:transparent] [-webkit-touch-callout:none] [word-break:break-word]
    {{- if .active }}
      hextra-sidebar-active-item hx:bg-primary-100 hx:font-semibold hx:text-primary-800 hx:contrast-more:border hx:contrast-more:border-primary-500 hx:dark:bg-primary-400/10 hx:dark:text-primary-600 hx:contrast-more:dark:border-primary-500
    {{- else }}
      hx:text-gray-500 hx:hover:bg-gray-100 hx:hover:text-gray-900 hx:contrast-more:border hx:contrast-more:border-transparent hx:contrast-more:text-gray-900 hx:contrast-more:hover:border-gray-900 hx:dark:text-neutral-400 hx:dark:hover:bg-primary-100/5 hx:dark:hover:text-gray-50 hx:contrast-more:dark:text-gray-50 hx:contrast-more:dark:hover:border-gray-50
    {{- end -}}"
    href="{{ .link }}"
    {{ if $external }}target="_blank" rel="noreferrer"{{ end }}
  >
    {{- .title -}}
    {{- with .context }}
      {{- if or .RegularPages .Sections }}
        <span class="hextra-sidebar-collapsible-button">
          {{- template "sidebar-collapsible-button" -}}
        </span>
      {{- end }}
    {{ end -}}
  </a>
{{- end -}}

{{- define "sidebar-collapsible-button" -}}
  <svg fill="none" viewBox="0 0 24 24" stroke="currentColor" class="hx:h-[18px] hx:min-w-[18px] hx:rounded-xs hx:p-0.5 hx:hover:bg-gray-800/5 hx:dark:hover:bg-gray-100/5"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" class="hx:origin-center hx:transition-transform hx:rtl:-rotate-180"></path></svg>
{{- end -}}
