{{ $page := . }}

{{ $authors := $page.Param "paige.feed.atom.authors" }}
{{ $format := "2006-01-02T15:04:05Z07:00" }}
{{ $html := $page.AlternativeOutputFormats.Get "html" }}
{{ $icon := $page.Param "paige.feed.atom.icon" }}
{{ $id := "" }}
{{ $ids := dict }}
{{ $language := site.LanguageCode | default site.Language.Lang }}
{{ $limit := site.Config.Services.RSS.Limit }}
{{ $logo := $page.Param "paige.feed.atom.logo" }}
{{ $pagetitle := $page.Title | markdownify }}
{{ $rights := site.Copyright | markdownify }}
{{ $sitetitle := site.Title | markdownify }}
{{ $subpages := slice }}
{{ $subtitle := $page.Description | markdownify }}
{{ $updated := site.LastChange.Format $format }}

{{ if $icon }}
    {{ $icon = absLangURL $icon }}
{{ end }}

{{ if $page.Params.id }}
    {{ $id = printf "%s?id=%v" (urls.JoinPath site.BaseURL "/") $page.Params.id }}
{{ else if not $page.Date.IsZero }}
    {{ $id = printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host ($page.Date.Format "2006-01-02") ($page.Date.Format $format) }}
{{ else }}
    {{ $id = $page.Permalink }}
{{ end }}

{{ if $logo }}
    {{ $logo = absLangURL $logo }}
{{ end }}

{{ range (cond $page.IsHome site $page).RegularPages }}
    {{ if not (.Param "paige.feed.hide_page") }}
        {{ $subpages = $subpages | append . }}
    {{ end }}
{{ end }}

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

{{ $titles := slice ($page.Title | markdownify) }}

{{ range .Ancestors }}
    {{ $titles = $titles | append (.Title | markdownify) }}
{{ end }}

{{ $title := delimit $titles " · " }}

{{ if not $title }}
    {{ warnf "layouts/_default/list.atom.xml: page %s does not have a title" $page.RelPermalink }}
{{ end }}

{{ printf "<?xml version=\"1.0\" encoding=\"utf-8\"?>" | safeHTML }}
<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 }}

    <id>{{ $id }}</id>

    {{ range $page.OutputFormats }}
        {{ $rel := .Rel }}

        {{ if eq .Permalink $page.Permalink }}
            {{ $rel = "self" }}
        {{ else if eq $rel "canonical" }}
            {{ $rel = "alternate" }}
        {{ end }}

        {{ if or (eq $rel "alternate") (eq $rel "enclosure") (eq $rel "related") (eq $rel "self") (eq $rel "via") }}
            {{ printf `<link href="%s" rel="%s" type="%s"/>` .Permalink $rel .MediaType | safeHTML }}
        {{ end }}
    {{ end }}

    {{ range $t := $page.Translations }}
        {{ range .OutputFormats }}
            {{ if or (eq .Rel "alternate") (eq .Rel "enclosure") (eq .Rel "related") (eq .Rel "via") }}
                {{ printf `<link href="%s" hreflang="%s" rel="%s" type="%s"/>` .Permalink $t.Lang .Rel .MediaType | safeHTML }}
            {{ end }}
        {{ end }}
    {{ end }}

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

    {{ with $rights }}
        <rights type="html">{{ printf "<![CDATA[%s]]>" . | safeHTML }}</rights>
    {{ end }}

    {{ with $subtitle }}
        <subtitle type="html">{{ printf "<![CDATA[%s]]>" . | safeHTML}}</subtitle>
    {{ end }}

    {{ printf `<title type="html"><![CDATA[%s]]></title>` $title | safeHTML }}
    <updated>{{ $updated }}</updated>

    {{ range $subpage := $subpages }}
        <entry>
            {{ $content := .Content }}
            {{ $id := "" }}
            {{ $paramlink := and .Params.link (not (.Param "paige.feed.link_to_page")) | not | not }}
            {{ $published := cond (not .PublishDate.IsZero) (.PublishDate.Format $format) "" }}
            {{ $rights := site.Copyright | markdownify }}
            {{ $summary := .Description | markdownify }}
            {{ $title := .Title | markdownify }}
            {{ $updated := .Lastmod.Format $format }}

            {{ $link := cond $paramlink .Params.link .Permalink }}

            {{ if and $content $paramlink }}
                {{ $link := or (.Param "paige.feed.page_link" | markdownify) "⏎" }}
                {{ $footer := printf `<p><a href="%s" title="%s">%s</a></p>` .Permalink (htmlEscape .Title) $link }}

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

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

            {{ if .Params.id }}
                {{ $id = printf "%s?id=%v" (urls.JoinPath site.BaseURL "/") .Params.id }}
            {{ else if not .Date.IsZero }}
                {{ $id = printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host (.Date.Format "2006-01-02") (.Date.Format $format) }}
            {{ else }}
                {{ $id = .Permalink }}
            {{ end }}

            {{ with index $ids $id }}
                {{ warnf "layouts/_default/list.atom.xml: pages %s and %s have the same ID" . $subpage.RelPermalink }}
            {{ end }}

            {{ $ids = merge (dict $id .RelPermalink) $ids }}

            {{ if not $title }}
                {{ warnf "layouts/_default/list.atom.xml: page %s does not have a title" .RelPermalink }}
            {{ end }}

            {{ if .Lastmod.IsZero }}
                {{ warnf "layouts/_default/list.atom.xml: page %s does not have a modified date" .RelPermalink }}
            {{ end }}

            {{ with partial "paige/authors.html" . }}
                {{ range . }}
                    <author>
                        {{ with .email }}
                            <email>{{ . }}</email>
                        {{ end }}

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

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

            {{ with $content }}
                <content type="html">{{ printf "<![CDATA[%s]]>" . | safeHTML }}</content>
            {{ end }}

            <id>{{ $id }}</id>

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

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

                    <link href="{{ $href }}" rel="{{ $rel }}" type="{{ .MediaType }}"/>
                {{ end }}
            {{ end }}

            {{ range $t := .Translations }}
                {{ range .OutputFormats }}
                    {{ if or (eq .Rel "alternate") (eq .Rel "enclosure") (eq .Rel "related") (eq .Rel "via") }}
                        <link href="{{ .Permalink }}" hreflang="{{ $t.Lang }}" rel="{{ .Rel }}" type="{{ .MediaType }}"/>
                    {{ end }}
                {{ end }}
            {{ end }}

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

            {{ with $rights }}
                <rights type="html">{{ printf "<![CDATA[%s]]>" . | safeHTML }}</rights>
            {{ end }}

            {{ with $summary }}
                <summary type="html">{{ printf "<![CDATA[%s]]>" . | safeHTML }}</summary>
            {{ end }}

            {{ printf `<title type="html"><![CDATA[%s]]></title>` $title | safeHTML }}
            <updated>{{ $updated }}</updated>
        </entry>
    {{ end }}
</feed>