{{ $page := . }}

{{ $authors := $page.Param "paige.feeds.atom.authors" }}
{{ $date := "2006-01-02T15:04:05Z07:00" }}
{{ $description := cond $page.IsHome ($page.Param "paige.site.description") $page.Description | markdownify }}
{{ $icon := $page.Param "paige.feeds.atom.icon" | absLangURL }}
{{ $id := printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host (.PublishDate.Format "2006-01-02") .RelPermalink }}
{{ $language := site.LanguageCode }}
{{ $limit := site.Config.Services.RSS.Limit }}
{{ $logo := $page.Param "paige.feeds.atom.logo" | absLangURL }}
{{ $rights := markdownify site.Copyright }}
{{ $subpages := $page.RegularPagesRecursive }}

{{ $lastmod := site.Lastmod.Format $date }}

{{ if gt $limit 0 }}
    {{ $subpages = first $limit $subpages }}
{{ end }}

{{ $titles := slice }}

{{ if $page.IsHome }}
    {{ $titles = slice (site.Title | default $page.Title | markdownify) }}
{{ else }}
    {{ with $page.Title }}
        {{ $titles = slice (markdownify .) }}
    {{ end }}

    {{ range .Ancestors }}
        {{ $title := cond .IsHome (site.Title | default .Title) .Title | markdownify }}

        {{ with $title }}
            {{ $titles = append . $titles }}
        {{ end }}
    {{ end }}
{{ end }}

{{ $title := delimit $titles " · " }}

<?xml version="1.0" encoding="utf-8"?>

<feed {{ with $language }} xml:lang="{{ . }}" {{ end }} xmlns="http://www.w3.org/2005/Atom">
    {{ range $authors }}
        <author>
            {{ with .email }}
                <email>{{ . }}</email>
            {{ end }}

            {{ with .name }}
                <name>{{ . }}</name>
            {{ end }}

            {{ with .url }}
                <uri>{{ . }}</uri>
            {{ end }}
        </author>
    {{ end }}

    {{ with $icon }}
        <icon>{{ . }}</icon>
    {{ end }}

    {{ with $id }}
        <id>{{ . }}</id>
    {{ end }}

    {{ range $page.OutputFormats }}
        {{ $rel := cond (eq .Rel "canonical") "self" .Rel }}

        {{ $valid := in (slice "alternate" "enclosure" "related" "self" "via") $rel }}

        {{ if $valid }}
            <link href="{{ .Permalink }}" hreflang="{{ $page.Language.LanguageCode }}" rel="{{ $rel }}" type="{{ .MediaType }}"/>
        {{ end }}
    {{ end }}

    {{ range $t := $page.Translations }}
        {{ range .OutputFormats }}
            {{ $valid := in (slice "alternate" "enclosure" "related" "self" "via") .Rel }}

            {{ if $valid }}
                <link href="{{ .Permalink }}" hreflang="{{ $t.Language.LanguageCode }}" rel="{{ .Rel }}" type="{{ .MediaType }}"/>
            {{ end }}
        {{ end }}
    {{ end }}

    {{ with $logo }}
        <logo>{{ . }}</logo>
    {{ end }}

    {{ with $rights }}
        <rights type="html"><![CDATA[{{ . }}]]></rights>
    {{ end }}

    {{ with $description }}
        <subtitle type="html"><![CDATA[{{ . }}]]></subtitle>
    {{ end }}

    {{ with $title }}
        <title type="html"><![CDATA[{{ . }}]]></title>
    {{ end }}

    {{ with $lastmod }}
        <updated>{{ . }}</updated>
    {{ end }}

    {{ range $subpage := $subpages }}
        {{ if not ($subpage.Param "paige.exclude_feeds") }}
            <entry>
                {{ $authors := partial "paige/func-authors.html" $subpage }}
                {{ $content := $subpage.Content }}
                {{ $description := markdownify $subpage.Description }}
                {{ $external := and .Params.link (not (.Param "paige.feeds.disable_link")) | not | not }}
                {{ $id := cond ($subpage.Params.id | not) $subpage.RelPermalink $subpage.Params.id }}
                {{ $lastmod := $subpage.Lastmod.Format $date }}
                {{ $published := $subpage.PublishDate.Format $date }}
                {{ $title := markdownify $subpage.Title }}

                {{ $link := cond $external $subpage.Params.link $subpage.Permalink }}

                {{ if and $content $external }}
                    {{ $text := or ($subpage.Param "paige.feeds.page_link" | markdownify) "⏎" }}

                    {{ $footer := printf `<p><a href="%s">%s</a></p>` $subpage.Permalink $text | safeHTML }}

                    {{ $content = print $content $footer }}
                {{ end }}

                {{ if not $content }}
                    {{ $content = markdownify $subpage.Description }}
                {{ end }}

                {{ $content = replaceRE `<a href="#fn:(\d+)" class="footnote-ref" role="doc-noteref">` (printf `<a href="%s#fn:$1" class="footnote-ref" role="doc-noteref">` $subpage.Permalink) $content }}
                {{ $content = replaceRE `<a href="#fnref:(\d+)" class="footnote-backref" role="doc-backlink">` (printf `<a href="%s#fnref:$1" class="footnote-backref" role="doc-backlink">` $subpage.Permalink) $content }}
                {{ $content = partial "paige/func-minify.html" (dict "content" $content) }}

                {{ with $authors }}
                    {{ range . }}
                        <author>
                            {{ with .Params.paige.author.email }}
                                <email>{{ . }}</email>
                            {{ end }}

                            {{ with .Params.paige.author.name | default (.Title | markdownify | plainify | htmlUnescape) }}
                                <name>{{ . }}</name>
                            {{ end }}

                            {{ with .Params.paige.author.url }}
                                <uri>{{ . }}</uri>
                            {{ end }}
                        </author>
                    {{ end }}
                {{ end }}

                {{ with $content }}
                    <content type="html"><![CDATA[{{ . }}]]></content>
                {{ end }}

                {{ with $id }}
                    <id>{{ . }}</id>
                {{ end }}

                {{ range $subpage.OutputFormats }}
                    {{ $rel := cond (eq .Rel "canonical") "alternate" .Rel }}

                    {{ $href := cond (and (eq $rel "alternate") (eq .MediaType.Type "text/html")) $link .Permalink }}
                    {{ $valid := in (slice "alternate" "enclosure" "related" "self" "via") $rel }}

                    {{ if $valid }}
                        <link href="{{ $href }}" hreflang="{{ $subpage.Language.LanguageCode }}" rel="{{ $rel }}" type="{{ .MediaType }}"/>
                    {{ end }}
                {{ end }}

                {{ range $t := $subpage.Translations }}
                    {{ range .OutputFormats }}
                        {{ $valid := in (slice "alternate" "enclosure" "related" "self" "via") .Rel }}

                        {{ if $valid }}
                            <link href="{{ .Permalink }}" hreflang="{{ $t.Language.LanguageCode }}" rel="{{ .Rel }}" type="{{ .MediaType }}"/>
                        {{ end }}
                    {{ end }}
                {{ end }}

                {{ with $published }}
                    <published>{{ . }}</published>
                {{ end }}

                {{ with $rights }}
                    <rights type="html"><![CDATA[{{ . }}]]></rights>
                {{ end }}

                {{ with $description }}
                    <summary type="html"><![CDATA[{{ . }}]]></summary>
                {{ end }}

                {{ with $title }}
                    <title type="html"><![CDATA[{{ . }}]]></title>
                {{ end }}

                {{ with $lastmod }}
                    <updated>{{ . }}</updated>
                {{ end }}
            </entry>
        {{ end }}
    {{ end }}
</feed>