{{ $page := . }}

{{ $authors := $page.Param "paige.feeds.atom.authors" }}
{{ $date := "2006-01-02T15:04:05Z07:00" }}
{{ $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 | default site.Language.Lang }}
{{ $limit := site.Config.Services.RSS.Limit }}
{{ $logo := $page.Param "paige.feeds.atom.logo" | absLangURL }}
{{ $rights := site.Copyright | markdownify }}
{{ $subpages := $page.RegularPagesRecursive.ByPublishDate }}
{{ $subtitle := $page.Description | markdownify }}

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

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

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

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

{{ $title := delimit $titles " · " }}

{{ if not $title }}
    {{ warnf "layouts/_default/list.atom.xml: Page %s does not have a title. The atom output requires a title. Either set the page's title parameter, or disable the atom output." $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>{{ $lastmod }}</updated>

    {{ range $subpages }}
        {{ if not (.Param "paige.exclude_feeds") }}
            <entry>
                {{ $content := .Content }}
                {{ $external := and .Params.link (not (.Param "paige.feeds.disable_link")) | not | not }}
                {{ $id := printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host (.PublishDate.Format "2006-01-02") .RelPermalink }}
                {{ $lastmod := .Lastmod.Format $date }}
                {{ $published := cond (not .PublishDate.IsZero) (.PublishDate.Format $date) "" }}
                {{ $summary := markdownify .Description }}
                {{ $title := markdownify .Title }}

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

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

                    {{ $footer := printf `<p><a href="%s" title="%s">%s</a></p>` .Permalink (htmlEscape .Title) $text | safeHTML }}

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

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

                {{ if not $title }}
                    {{ warnf "layouts/_default/list.atom.xml: Page %s does not have a title. The atom output requires a title. Either set the page's title parameter, or disable the atom output." .RelPermalink }}
                {{ end }}

                {{ if .Lastmod.IsZero }}
                    {{ warnf "layouts/_default/list.atom.xml: Page %s does not have a modified date. The atom output requires a modified date. Either set the page's date parameter, or set the page's paige.feeds.exclude parameter to true, or disable the atom output." .RelPermalink }}
                {{ end }}

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

                            {{ with .Params.paige.author.name }}
                                <name>{{ . }}</name>
                            {{ end }}

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