#!/bin/sh
set -eu

export LANG=POSIX.UTF-8


normalize() {
	xargs realpath --relative-to=. | sort
}

pages() {
	find src/pages/*/*.adoc -type f                  | normalize
}

articles() {
	find src/collections/*/*/ -type f -name '*.adoc' | normalize
}

listings() {
	find src/collections/*/index.adoc                | normalize
}

extras() {
	find src/content/ -type f \
		-name '*.flac' -or \
		-name '*.webm' -or \
		-name '*.tar.gz'
}

files() {
	pages
	articles
	listings
}


pages                                             | varlist    'pages.adoc'
articles                                          | varlist 'articles.adoc'
listings                                          | varlist 'listings.adoc'
listings | sed 's|/index\.adoc$|/categories.txt|' | varlist 'categories.txt'
listings | sed 's|/index\.adoc$|/feed.xml|'       | varlist 'feeds.xml'
find src/content/img/ -name '*.svg'               | varlist 'images.svg'
extras                                            | varlist 'sources.extras'


files    | sed 's/^\(.*\)\.adoc$/\1.htmlbody\t\1.snippets\t\1.conf:\t\1.adoc/'
files    | sed 's/^\(.*\)\.adoc$/\1.html:\t\1.conf\t\1.htmlbody/'
printf '\n'

files    | sed 's/^\(.*\)\.adoc$/\1.html.gz:\t\1.html/'
files    | sed 's/^\(.*\)\.adoc$/\1.snippets.gz:\t\1.snippets/'
listings | sed 's|^\(.*\)/index\.adoc$|\1/categories.xml.gz:\t\1/categories.xml|'
listings | sed 's|^\(.*\)/index\.adoc$|\1/feed.xml.gz:\t\1/feed.xml|'
printf '\n'

files    | sed 's/^\(.*\)\.adoc$/\1.updatedat-check:\t\1.conf/'
files    | sed 's/^\(.*\)\.adoc$/\1.links-internal-check:\t\1.links/'
files    | sed 's/^\(.*\)\.adoc$/\1.caslinks:\t\1.links/'
printf '\n'

articles | sed 's/^\(.*\)\.adoc$/\1.feedentry:\t\1.conf\t\1.htmlbody/'
articles | sed 's/^\(.*\)\.adoc$/\1.sortdata:\t\1.conf/'
articles | sed 's/^\(.*\)\.adoc$/\1.categorydata:\t\1.conf/'
printf '\n'

listings | sed 's/^\(.*\)\.adoc$/\1.htmlheader\t\1.htmlfooter:\t\1.conf/'
listings | sed 's/^\(.*\)\.adoc$/\1.html:\t\1.htmlheader\t\1.htmlfooter/'
listings | sed 's/^\(.*\)\.adoc$/\1.html:\t\1.htmllisting\t\1.htmlbody/'

for colllink in src/collections/*; do
	c="$(printf '%s' "$colllink" | normalize)"

	printf '\n\n'
	name="$(basename "$c")"
	find "$c"/*/ -type f -name '*.adoc' | varlist "articles.$name.adoc"
	art=articles # so things fit in 80 columns
	echo "$art.$name.sortdata     = \$($art.$name.adoc:.adoc=.sortdata)"
	echo "$art.$name.indexentry   = \$($art.$name.adoc:.adoc=.indexentry)"
	echo "$art.$name.feedentry    = \$($art.$name.adoc:.adoc=.feedentry)"
	echo "$art.$name.categorydata = \$($art.$name.adoc:.adoc=.categorydata)"


	printf '%s/sortdata.txt:\tdeps.mk\n' "$c"
	printf '\tprintf %s $(articles.%s.sortdata) > $@\n\n' "'%s\n'" "$name"

	printf '%s/categories.txt\t%s/feed.xml\t%s/index.htmllisting:' \
		"$c" "$c" "$c"
	printf '\t%s/sortdata.txt\t$(articles.%s.sortdata)\n' "$c" "$name"

	printf '%s/index.htmllisting:\t$(articles.%s.indexentry)\n' "$c" "$name"
	printf '%s/categories.txt:\t$(articles.%s.categorydata)\n' "$c" "$name"
	printf '%s/categories.xml:\t%s/categories.txt\n' "$c" "$c"
	printf '%s/categories.txt\t%s/feed.xml:\t$(articles.%s.feedentry)\n' \
		"$c" "$c" "$name"
done