#!/bin/sh

set -e

BUILD="$(mktemp -dt solaar-gh-pages-XXXXXX)"
cd "$(dirname "$0")"/..
SELF="$PWD"
SITE="$(readlink -f "$SELF/../gh-pages")"

#
#
#

add_md() {
	local SOURCE="$SELF/$1"
	local TARGET="$BUILD/${2:-$(basename "$1")}"

	LAYOUT=default
	TITLE=$(grep '^# ' "$SOURCE" -m 1 | cut -c 3-)
	if test -n "$TITLE"; then
		local TITLE="Solaar - $TITLE"
		LAYOUT=page
	else
		local TITLE=Solaar
	fi

	mkdir -p "$(dirname "$TARGET")"
	cat >"$TARGET" <<-FRONTMATTER
		---
		layout: $LAYOUT
		title: $TITLE
		---

	FRONTMATTER

	cat "$SOURCE" >>"$TARGET"
}

fix_times() {
	local SOURCE="$SELF/$1"
	local TARGET="$SITE/$2"
	local f

	if test -d "$SOURCE"; then
		for f in "$SOURCE"/*; do
			f=$(basename "$f")
			fix_times "$1/$f" "$2/$f"
		done
	fi
	touch -r "$SOURCE" "$TARGET"
}

#
#
#

cp -upr "$SELF/jekyll"/* "$BUILD/"
convert.im6 "$SELF/share/solaar/icons/solaar.svg" -transparent white \
	-resize 48x48  "$BUILD/images/solaar-logo.png"
convert.im6 "$SELF/share/solaar/icons/solaar.svg" -transparent white \
	-resize 32x32 "$BUILD/images/favicon.png"

add_md docs/devices.md
add_md docs/installation.md

add_md README.md index.md
sed -i -e 's#\[docs/\([a-z]*\)\.md\]#[\1]#g' "$BUILD/index.md"
sed -i -e 's#(docs/\([a-z]*\)\.md)#(\1.html)#g' "$BUILD/index.md"
sed -i -e 's#(COPYING)#({{ site.repository }}/blob/master/COPYING)#g' "$BUILD/index.md"

for l in "$BUILD/_layouts"/*.html; do
	sed -e '/^$/d' "$l" | tr -d '\t' >"$l="
	mv "$l=" "$l"
done

mkdir -p "$SITE/../packages" "$SITE/packages/"
cp -up "$SELF/dist/debian"/solaar_* "$SITE/../packages/"
cp -up "$SELF/dist/debian"/solaar-gnome3_* "$SITE/../packages/"
if test -x /usr/bin/dpkg-scanpackages; then
	cd "$SITE/../packages/"
	rm -f *.build
	dpkg-scanpackages -m . > Packages
	dpkg-scansources . > Sources
	add_md docs/debian.md
	cd -
fi

if test -x /usr/bin/uscan; then
	TAG=$(uscan --no-conf --report-status --check-dirname-regex packaging ./packaging/ \
				| grep 'Newest version' \
				| grep -ow '[0-9.]*' | head -1)
	if test -n "$TAG"; then
		sed -i -e 's#^version: .*$#'"version: $TAG#" "$SELF/jekyll/_config.yml"
		sed -i -e 's#/archive/[0-9.]*\.tar\.gz$#'"/archive/$TAG.tar.gz#" "$SELF/jekyll/_config.yml"
	fi
fi

GIT_BACKUP="$(mktemp -ud --tmpdir="$SITE/.." git-backup-XXXXXX)"
mv "$SITE/.git" "$GIT_BACKUP"
jekyll --kramdown "$BUILD" "$SITE"
mv "$GIT_BACKUP" "$SITE/.git"

cp -al "$SITE/../packages/" "$SITE/"

for p in "$SITE"/*.html; do
	sed -i -e 's#^[ ]*##g' "$p"
	sed -i -f- "$p" <<-SED
		bstart
		:eop /<\/p>/ brepl
		{ N; beop; }
		:repl { s#<li>\n<p>\(.*\)</p>#<li>\1#g; t; }
		:start /<li>/ N
		/<li>\n<p>/ {N;beop;}
		:end
		SED
done

fix_times README.md index.html
fix_times docs/devices.md devices.html
fix_times docs/installation.md installation.html
fix_times docs/debian.md debian.html
fix_times jekyll/images images
fix_times share/solaar/icons/solaar.svg images/solaar-logo.png
fix_times share/solaar/icons/solaar.svg images/favicon.png
fix_times jekyll/style style