{{ $show_navbar := ((site.Params.header.navbar.enable | default true) | and (ne .Params.header.navbar.enable false)) | or .Params.header.navbar.enable }}
{{ if $show_navbar }}

{{ $current_page := . }}
{{ $highlight_active_link := site.Params.header.navbar.highlight_active_link | default true }}
{{ $show_current_language := site.Params.header.navbar.show_language | default false }}

{{/* Get site logo. */}}
{{ $show_logo := site.Params.header.navbar.show_logo | default true }}
{{ $has_logo := fileExists "assets/media/logo.png" | or (fileExists "assets/media/logo.svg") }}
{{ $logo := "" }}
{{ if $has_logo }}
  {{ $logo = (partial "functions/get_logo" (dict "constraint" "max_height" "size" 70)) }}
{{ end }}

<header class="header--fixed">
  <nav class="navbar navbar-expand-lg navbar-light compensate-for-scrollbar" id="navbar-main">
    <div class="container-xl">

      {{if $show_logo}}
      <div class="d-none d-lg-inline-flex">
        <a class="navbar-brand" href="{{ "/" | relLangURL }}">
          {{- if $has_logo -}}
            <img src="{{ $logo.RelPermalink }}" alt="{{ site.Title }}"
            {{with site.Params.header.image.width}}width="{{.}}"{{end}}
            {{with site.Params.header.image.height}}height="{{.}}"{{end}}>
          {{- else -}}
            {{- site.Title -}}
          {{- end -}}
        </a>
      </div>
      {{end}}

      {{ if site.Menus.main }}
      <button type="button" class="navbar-toggler" data-toggle="collapse"
              data-target="#navbar-content" aria-controls="navbar-content" aria-expanded="false" aria-label="{{ i18n "toggle_navigation" }}">
      <span><i class="fas fa-bars"></i></span>
      </button>
      {{ end }}

      {{if $show_logo}}
      <div class="navbar-brand-mobile-wrapper d-inline-flex d-lg-none">
        <a class="navbar-brand" href="{{ "/" | relLangURL }}">
        {{- if $has_logo -}}
          <img src="{{ $logo.RelPermalink }}" alt="{{ site.Title }}"
          {{with site.Params.header.image.width}}width="{{.}}"{{end}}
          {{with site.Params.header.image.height}}height="{{.}}"{{end}}>
        {{- else -}}
          {{- site.Title -}}
        {{- end -}}
        </a>
      </div>
      {{end}}

      <!-- Collect the nav links, forms, and other content for toggling -->
      {{ $align_menu := site.Params.header.navbar.align | default "l" }}
      <div class="navbar-collapse main-menu-item collapse {{ if eq $align_menu "c" }}justify-content-center{{ else if eq $align_menu "r" }}justify-content-end{{else}}justify-content-start{{ end }}" id="navbar-content">

        <!-- Left Nav Bar -->
        <ul class="navbar-nav d-md-inline-flex">
          {{ range site.Menus.main }}

          {{ if .HasChildren }}
          <li class="nav-item dropdown">
            <a href="#" class="nav-link dropdown-toggle" data-toggle="dropdown" aria-haspopup="true">
              {{- .Pre -}}<span>{{ .Name | safeHTML }}</span>{{- .Post -}}
              <span class="caret"></span>
            </a>
            <div class="dropdown-menu">
              {{ range .Children }}
                <a class="dropdown-item" href="{{ .URL | relLangURL }}"{{ if $.IsHome }} data-target="{{ .URL }}"{{ end }}>
                  {{- .Pre -}}<span>{{ .Name | safeHTML }}</span>{{- .Post -}}
                </a>
              {{ end }}
            </div>
          </li>

          {{ else }}

          {{/* Set target for link. */}}
          {{ $.Scratch.Set "target" "" }}
          {{ if gt (len .URL) 4 }}
            {{ if eq "http" (slicestr .URL 0 4) }}
              {{ $.Scratch.Set "target" " target=\"_blank\" rel=\"noopener\"" }}
            {{ end }}
          {{ end }}

          {{/* Get active page. */}}

          {{ $is_link_in_current_path := false }}
          {{ $is_widget_page := or $current_page.IsHome (eq $current_page.Type "widget_page") }}
          {{ $is_same_page := false }}
          {{ $hash := findRE "#(.+)" .URL }}

          {{ if $current_page.IsHome | and (or (eq .URL "/") (eq .URL "")) }}
            {{ $is_link_in_current_path = true }}
          {{else}}
            {{ if gt (len .URL) 1 }}{{/* Ignore root URL */}}
              {{ $is_link_in_current_path = in $current_page.RelPermalink .URL }}
              {{ $is_same_page = $is_link_in_current_path }}
            {{end}}
            {{ if gt (len $hash) 0 }}
              {{ $hash = index $hash 0 }}
              {{ $hash_removed := replace .URL $hash "" }}
              {{ if eq (len $hash_removed) 0 }}
                {{ $hash_removed = "/" }}{{/* Add robustness for `/#SECTION` or `#SECTION` in `menus.toml`. */}}
              {{ end }}
              {{ $is_same_page = eq (path.Dir $current_page.RelPermalink) (path.Dir ($hash_removed|relLangURL)) }}
            {{ end }}
          {{end}}

          <li class="nav-item">
            <a class="nav-link {{if and $highlight_active_link $is_link_in_current_path }} active{{end}}" href="{{.URL | relLangURL}}"{{ if and $is_widget_page $is_same_page }} data-target="{{$hash}}"{{ end }}{{ ($.Scratch.Get "target") | safeHTMLAttr }}>
              {{- .Pre -}}<span>{{ .Name | safeHTML }}</span>{{- .Post -}}
            </a>
          </li>

          {{ end }}
          {{ end }}

        {{ if site.Menus.main_right | and (eq $align_menu "l") }}
        </ul>
        <ul class="navbar-nav ml-md-auto">
        {{ end }}

          {{ range site.Menus.main_right }}

          {{/* Set target for link. */}}
          {{ $.Scratch.Set "target" "" }}
          {{ if gt (len .URL) 4 }}
          {{ if eq "http" (slicestr .URL 0 4) }}
          {{ $.Scratch.Set "target" " target=\"_blank\" rel=\"noopener\"" }}
          {{ end }}
          {{ end }}

          <li class="nav-item">
            <a class="nav-link" href="{{ .URL | relLangURL }}"{{ if $.IsHome }} data-target="{{ .URL }}"{{ end }}{{ ($.Scratch.Get "target") | safeHTMLAttr }}>
              {{- .Pre -}}<span>{{ .Name | safeHTML }}</span>{{- .Post -}}
            </a>
          </li>

          {{ end }}
        </ul>
      </div><!-- /.navbar-collapse -->

      <ul class="nav-icons navbar-nav flex-row ml-auto d-flex pl-md-2">

        {{/* Display any social links that the superuser chose to display in the header. */}}
        {{ range where (where (where site.Pages "Section" "authors") ".Params.superuser" true) ".Params.social" "!=" nil }}
          {{ range where .Params.social ".display.header" true }}
            {{ $social_link := partial "functions/get_social_link" . }}
            <li class="nav-item d-none d-lg-inline-flex">
              <a class="nav-link" href="{{ $social_link.link | safeURL }}"{{ with $social_link.tooltip }} data-toggle="tooltip" data-placement="bottom" title="{{.}}"{{ end }} {{ $social_link.target | safeHTMLAttr }} aria-label="{{ $social_link.aria_label }}">
                <i class="{{ $social_link.icon_pack }} {{ $social_link.pack_prefix }}-{{ $social_link.icon }}" aria-hidden="true"></i>
              </a>
            </li>
          {{ end }}
        {{ end }}

        {{ $show_search := site.Params.header.navbar.show_search | default true }}
        {{ if and site.Params.features.search.provider $show_search }}
        <li class="nav-item">
          <a class="nav-link js-search" href="#" aria-label="{{ i18n "search" }}"><i class="fas fa-search" aria-hidden="true"></i></a>
        </li>
        {{ end }}

        {{ $show_day_night := site.Params.header.navbar.show_day_night | default true }}
        {{ $has_day_night_themes := (and site.Params.appearance.theme_day site.Params.appearance.theme_night) }}
        {{ if and $has_day_night_themes $show_day_night }}
        <li class="nav-item dropdown theme-dropdown">
          <a href="#" class="nav-link" data-toggle="dropdown" aria-haspopup="true" aria-label="{{ i18n "theme_selector" | default "Display preferences" }}">
            <i class="fas fa-moon" aria-hidden="true"></i>
          </a>
          <div class="dropdown-menu">
            <a href="#" class="dropdown-item js-set-theme-light">
              <span>{{ i18n "theme_light" | default "Light" }}</span>
            </a>
            <a href="#" class="dropdown-item js-set-theme-dark">
              <span>{{ i18n "theme_dark" | default "Dark" }}</span>
            </a>
            <a href="#" class="dropdown-item js-set-theme-auto">
              <span>{{ i18n "theme_auto" | default "Automatic" }}</span>
            </a>
          </div>
        </li>
        {{ end }}

        {{ $show_translations := site.Params.header.navbar.show_translations | default true }}
        {{ if .IsTranslated | and $show_translations }}
        <li class="nav-item dropdown i18n-dropdown">
          <a href="#" class="nav-link {{ if $show_current_language }}dropdown-toggle{{end}}" data-toggle="dropdown"
             aria-haspopup="true" aria-label="{{ i18n "languages" | default "Languages" }}">
            <i class="fas fa-globe mr-1" aria-hidden="true"></i>
            {{- if $show_current_language -}}
              <span class="d-none d-lg-inline">{{ index site.Data.i18n.languages .Lang }}</span>
            {{- end -}}
          </a>
          <div class="dropdown-menu">
            <div class="dropdown-item dropdown-item-active">
              <span>{{ index site.Data.i18n.languages .Lang }}</span>
            </div>
            {{ range .Translations }}
            <a class="dropdown-item" href="{{ .Permalink }}"{{ if $.IsHome }} data-target="{{ .RelPermalink }}"{{ end }}>
              <span>{{ index site.Data.i18n.languages .Lang }}</span>
            </a>
            {{ end }}
          </div>
        </li>
        {{ end }}

      </ul>

    </div><!-- /.container -->
  </nav>
</header>
{{end}}{{/* End show navbar. */}}