{{ $page := . }}

{{ $ancestors := $page.Ancestors }}
{{ $basepath := path.Clean (urls.Parse (relLangURL "")).Path }}
{{ $description := $page.Param "paige.site_description" | markdownify }}
{{ $first := templates.Exists "partials/paige/site-header-first.html" }}
{{ $last := templates.Exists "partials/paige/site-header-last.html" }}
{{ $links := false }}
{{ $menu := site.Menus.main }}
{{ $pills := false }}
{{ $tabs := false }}
{{ $title := $page.Param "paige.site_title" | markdownify }}
{{ $underline := false }}

{{ if eq $basepath "/" }}
    {{ $basepath = "" }}
{{ end }}

{{ $pagepath := strings.TrimPrefix $basepath $page.RelPermalink }}

{{ with $page.Param "paige.menu_style" }}
    {{ if eq . "pills" }}
        {{ $pills = true }}
    {{ else if eq . "tabs" }}
        {{ $tabs = true }}
    {{ else if eq . "underline" }}
        {{ $underline = true }}
    {{ else }}
        {{ $links = true }}
    {{ end }}
{{ else }}
    {{ $links = true }}
{{ end }}

{{ if or $ancestors $description $first $last $menu $title }}
    <header class="my-3" id="paige-site-header">
        {{ if $first }}
            {{ partial "paige/site-header-first.html" $page }}
        {{ end }}

        {{ with $title }}
            <p class="display-1 fw-bold mb-2 mt-3 text-center" id="paige-site-title">{{ . }}</p>
        {{ end }}

        {{ with $description }}
            <p class="lead mb-3 mt-2 text-center" id="paige-site-description">{{ . }}</p>
        {{ end }}

        {{ with $menu }}
            <nav class="my-3" id="paige-menu">
                <ul class="align-items-center justify-content-center nav {{ if $pills }} nav-pills {{ else if $tabs }} nav-tabs {{ else if $underline }} nav-underline {{ end }}">
                    {{ range . }}
                        {{ $menupath := strings.TrimPrefix $basepath .URL }}
                        {{ $home := and (eq $menupath "/") (eq $pagepath "/") }}
                        {{ $menuprefix := and (ne $menupath "/") (hasPrefix $pagepath $menupath) }}
                        {{ $sectionprefix := and (ne $menupath "/") (hasPrefix $menupath (printf "/%s/" $page.Section)) }}
                        {{ $active := or $home $menuprefix $sectionprefix }}

                        <li class="nav-item {{ if .Children }} dropdown {{ end }}">
                            <a {{ if $active }} aria-current="page" {{ end }} {{ if .Children }} aria-expanded="false" {{ end }} class="{{ if $active }} active {{ if $links }} text-body-emphasis {{ end }} {{ end }} {{ if .Params.paige.disabled }} disabled {{ end }} nav-link {{ if .Children }} dropdown-toggle {{ end }} {{ if $links }} text-decoration-underline {{ end }}" {{ if .Children }} data-bs-toggle="dropdown" {{ end }} href="{{ if .Children -}} # {{- else -}} {{ .URL | safeURL }} {{- end }}" {{ if .Children }} role="button" {{ end }} {{ if not .Children }} {{ with partial "paige/target.html" (dict "page" $page "url" .URL) }} target="{{ . }}" {{ end }} {{ end }}>{{ .Name }}</a>

                            {{ with .Children }}
                                <ul class="dropdown-menu">
                                    {{ range . }}
                                        {{ if .Params.paige.divider_above }}
                                            <li>
                                                <hr class="dropdown-divider">
                                            </li>
                                        {{ end }}

                                        <li>
                                            <a class="{{ if .Params.paige.disabled }} disabled {{ end }} dropdown-item" href="{{ .URL | safeURL }}" {{ with partial "paige/target.html" (dict "page" $page "url" .URL) }} target="{{ . }}" {{ end }}>{{ .Name }}</a>
                                        </li>

                                        {{ if .Params.paige.divider_below }}
                                            <li>
                                                <hr class="dropdown-divider">
                                            </li>
                                        {{ end }}
                                    {{ end }}
                                </ul>
                            {{ end }}
                        </li>
                    {{ end }}
                </ul>
            </nav>
        {{ end }}

        {{ with $ancestors }}
            <nav aria-label="{{ i18n `paige_breadcrumbs` }}" class="my-3" id="paige-breadcrumbs">
                <div class="d-flex justify-content-center">
                    <ol class="breadcrumb mb-0">
                        {{ $reverse := .Reverse }}

                        {{ $last := sub (len $reverse) 1 }}

                        {{ range $i, $ancestor := $reverse }}
                            {{ $title := $ancestor.Title }}

                            {{ if and (eq $i $last) (not $title) }}
                                {{ $title = $page.Param "paige.site_title" | default (site.Title) }}
                            {{ end }}

                            <li class="breadcrumb-item"><a href="{{ .RelPermalink }}">{{ $title | markdownify | plainify | htmlUnescape }}</a></li>
                        {{ end }}
                    </ol>
                </div>
            </nav>
        {{ end }}

        {{ if $last }}
            {{ partial "paige/site-header-last.html" $page }}
        {{ end }}
    </header>
{{ end }}