#!/bin/sh

. bin/func

set -e

current_date=$(date +"%a, %d %b %Y %H:%M:%S %z")
uname=$(uname)

cat <<-EOF > "${rss_out_file}"
<rss version="2.0">
<channel>
<title>${website_title}</title>
<description>${website_description}</description>
<link>${website_link}</link>
<copyright>$(date +"%Y") ${website_title} - All rights reserved</copyright>
<managingEditor>${website_email}</managingEditor>
<webMaster>${website_email}</webMaster>
<lastBuildDate>${current_date}</lastBuildDate>
<pubDate>${current_date}</pubDate>
<generator>${website_generator}</generator>
<language>${website_language}</language>
<docs>https://validator.w3.org/feed/docs/rss2.html</docs>
<ttl>1800</ttl>
EOF

for file in $(__list_files_date "${rss_dir}"); do
	title=$(__get_value_title "${file}")
	date=$(__get_value_date_publication "${file}")
	link="${website_link}/$(__get_final_filename ${file})"
	if [ "${uname}" = "Linux" ]; then
		guid="$(echo ${link} | sha256sum | cut -d ' ' -f 1)"
	else
		guid="$(echo ${link} | sha256)"
	fi

	cat <<-EOF >> "${rss_out_file}"
	<item>
	<title>${title}</title>
	<link>${link}</link>
	<pubDate>${date}</pubDate>
	<guid>${guid}</guid>
	</item>
	EOF
done

cat <<-EOF >> "${rss_out_file}"
</channel>
</rss>
EOF