#!/bin/sh
PATH=./bin:$PATH

usage() {
	>&2 printf "usage: %s url [path]\\n" "$(basename "$0")"
	exit 1
}

test $# -lt 1 && usage

export SRC="${2:-.}"
export SHARE="${MKWSTHEMEDIR:-${SRC}/share}"
export LANG=en_GB.UTF-8


if ! test -f "${SRC}"/index.upphtml
then
	>&2 printf "no index.upphtml file found\\n"
	exit 1
fi

for t in "${SRC}"/*.upphtml
do
	printf "Making $(basename "${t%.upphtml}".html)\n"
	pp "${SHARE}"/l.upphtml "${t}" "$1" > \
		"$(basename "${t%.upphtml}".html)"
done

printf "Clearing blog index\n"
cp "${SRC}"/blog/preamble.txt "${SRC}"/blog/index.prehtml
printf "<ul>\n" >> "${SRC}"/blog/index.prehtml
for t in $(ls "${SRC}"/blog/*.upphtml | sort -r)
do
  	printf "Making blog post: $(basename "${t%.upphtml}".html)\n"
        pp "${SHARE}"/l.upphtml "${t}" "$1" > \
                blog/"$(basename "${t%.upphtml}".html)"
	linkname=`sed -n 's/.*<h1>\(.*\)<\/h1>.*/\1/ip;T;q' "${SRC}"/blog/"$(basename "${t%.upphtml}".html)"`
	#desc=`sed -n 's/.*<h2>\(.*\)<\/h2>.*/\1/ip;T;q' "${SRC}"/blog/"$(basename "${t%.upphtml}".html)"`
	#printf "<li><a href=/blog/$(basename "${t%.upphtml}".html)>${linkname} - ${desc}</a></li>\n" >> "${SRC}"/blog/index.prehtml
	printf "<li><a href=/blog/$(basename "${t%.upphtml}".html)>${linkname}</a></li>\n<br>\n" >> "${SRC}"/blog/index.prehtml
done
printf "Remaking blog index\n"
printf  "</ul>\n" >> "${SRC}"/blog/index.prehtml
printf  "</main>\n" >> "${SRC}"/blog/index.prehtml
pp "${SHARE}"/l.upphtml "${SRC}"/blog/index.prehtml "$1" > \
                "${SRC}"/blog/index.html
# cleanup
rm "${SRC}"/blog/index.prehtml

printf "Making sitemap.xml\n"
pp "${SHARE}"/sitemap.uppxml "$1" > sitemap.xml

printf "Updating RSS feed\n"
pp "${SHARE}"/feed.uppxml "$1" > feed.xml

if [ ! -d "${SRC}"/output ];
then
	mkdir "${SRC}"/output
	mkdir "${SRC}"/output/blog
	mkdir "${SRC}"/output/assets
fi

printf "Lazy-fying images\n"
find . -name "*.html" | xargs sed -i -e 's/<img/<img loading="lazy"/g'

printf "Overwriting old site folder\n"
mv "${SRC}"/blog/*.html "${SRC}"/output/blog
mv "${SRC}"/*.html "${SRC}"/output
mv "${SRC}"/sitemap.xml "${SRC}"/output
mv "${SRC}"/feed.xml "${SRC}"/output
if [ -d "${SRC}"/assets ];
then
	cp -r "${SRC}"/assets/* "${SRC}"/output/assets
fi
if [ -e "${SRC}"/robots.txt ];
then
	cp "${SRC}"/robots.txt "${SRC}"/output
fi