#!/bin/sh

# AM INSTALL SCRIPT VERSION 3. 
set -u
APP=libreoffice
SITE1="Portable-Linux-Apps/LibreOffice-appimage"; SITE2="ivan-hc/LibreOffice-appimage"

# CREATE DIRECTORIES AND ADD REMOVER
[ -n "$APP" ] && mkdir -p "/opt/$APP/icons" "/opt/$APP/tmp" && cd "/opt/$APP/tmp" || exit 1
printf "#!/bin/sh\nset -e\nrm -f /usr/local/bin/$APP\nrm -R -f /opt/$APP" > "/opt/$APP/remove"
printf '\n%s' "rm -f /usr/local/share/applications/$APP*-AM.desktop" >> "/opt/$APP/remove"
chmod a+x "/opt/$APP/remove"

# CHOOSE A VERSION

_fit() { command -v tput >/dev/null 2>&1 && fold -sw "${COLUMNS:-80}" | sed 's/^/   /g' || fold -sw 77 | sed 's/^/   /g'; }

echo "   === Available editions ===

   1. \"LibreOffice Still\" is slightly older but tested longer (default).
   2. \"LibreOffice Fresh\" includes all the latest features.
"
read -r -p "   Type 2 for \"Fresh\", or any other key for \"Still\": " response
case "$response" in
	'2') edition="fresh";;
	''|*) edition="still";;
esac
echo "
   === Available sources ===

   1. AppImage, classic, built on top of the official packages (default).
   2. Archimage, container-based AppImage that works also on musl systems.
"
read -r -p "   Type 2 for the Archimage, or leave blank: " response
case "$response" in
	2)
		SITE="$SITE2"
		printf "\n   === Available languages ===\n\n"
		printf "1. base (default)\n2. italian\n3. european\n4. standard\n5. full\n\n" | _fit
		read -r -p "   Choose a language or leave blank: " response
		case "$response" in
			'2') edition="$edition.*italian.*archimage";;
			'3') edition="$edition.*european.*archimage";;
			'4') edition="$edition.*standard.*archimage";;
			'5') edition="$edition.*full.*archimage";;
			''|*) edition="$edition.*base.*archimage";;
		esac
		;;
	''|*)
		SITE="$SITE1"
		printf "\n   === Available languages ===\n\n"
		languages="ar de en-GB es fr it ja ko pt pt-BR ru zh-CN zh-TW standard full"
		i=1
		echo "$(for lang in $languages; do
			printf "   %2d. %s	" "$i" "$lang"
			i=$((i + 1))
		done)" | _fit
		printf "\n"
		read -r -p "   Choose a language by number or leave blank for \"en-GB\" (default): " response
		if [ -z "$response" ]; then
			edition="$edition.*-en-GB.help"
		else
			response=$(echo "$languages" | awk '{print $'"$response"'}')
			edition="$edition.*-$response.help"
		fi
		# Offline documentation
		printf "\n"
		read -r -p "   === Want to include offline documentation? (N,y) " response
		case "$response" in
			'Y'|'y') edition="$edition";;
			''|*) edition=$(echo "$edition" | sed -- 's/\.help/-x/g');;
		esac
		;;
esac; printf "\n"

version=$(curl -Ls https://api.github.com/repos/"$SITE"/releases | sed 's/[()",{} ]/\n/g' | grep -oi "https.*$edition.*mage$" | head -1)
wget "$version" || exit 1
cd ..
mv ./tmp/*mage ./"$APP"

rm -R -f ./tmp || exit 1
echo "$version" > ./version
chmod a+x ./"$APP" || exit 1

# LINK
ln -s "/opt/$APP/$APP" "/usr/local/bin/$APP"

# SCRIPT TO UPDATE THE PROGRAM
cat >> "/opt/$APP/AM-updater" << 'EOF'
#!/bin/sh
set -u
APP=libreoffice
SITE="SITEREF"
version0=$(cat "/opt/$APP/version")
EOF
cat >> "/opt/$APP/AM-updater" << EOF
version=\$(curl -Ls https://api.github.com/repos/$SITE/releases | sed 's/[()",{} ]/\n/g' | grep -oi "https.*$edition.*mage$" | head -1)
EOF
cat >> "/opt/$APP/AM-updater" << 'EOF'
if command -v appimageupdatetool >/dev/null 2>&1; then
	cd "/opt/$APP" || exit 1
	appimageupdatetool -Or ./"$APP" && chmod a+x ./"$APP" && echo "$version" > ./version && exit 0
fi
if [ "$version" != "$version0" ]; then
	mkdir "/opt/$APP/tmp" && cd "/opt/$APP/tmp" || exit 1
	notify-send "A new version of $APP is available, please wait"
	wget "$version" || exit 1
	# Use tar fx ./*tar* here for example in this line in case a compressed file is downloaded.
	cd ..
	mv --backup=t ./tmp/*mage ./"$APP"
	chmod a+x ./"$APP" || exit 1
	echo "$version" > ./version
	rm -R -f ./*zs-old ./*.part ./tmp ./*~
	notify-send "$APP is updated!"
else
	echo "Update not needed!"
fi
EOF
sed -i "s#SITEREF#$SITE#g" "/opt/$APP/AM-updater"
chmod a+x "/opt/$APP/AM-updater"

# ICONS
cd "/opt/$APP" || exit 1
./libreoffice --appimage-extract usr/share/icons/hicolor/scalable/apps/*.svg && mv squashfs-root/usr/share/icons/hicolor/scalable/apps/*.svg ./icons 2>/dev/null
./libreoffice --appimage-extract .junest/usr/share/icons/hicolor/scalable/apps/*.svg && mv squashfs-root/.junest/usr/share/icons/hicolor/scalable/apps/*.svg ./icons 2>/dev/null
RELEASE=$(ls ./icons | head -1 | rev | cut -c 10- | rev)
mv ./icons/*-base* ./icons/"$APP"-base 2>/dev/null
mv ./icons/*-basic* ./icons/"$APP"-basic 2>/dev/null
mv ./icons/*-calc* ./icons/"$APP"-calc 2>/dev/null
mv ./icons/*-chart* ./icons/"$APP"-chart 2>/dev/null
mv ./icons/*-draw* ./icons/"$APP"-draw 2>/dev/null
mv ./icons/*-extension* ./icons/"$APP"-extension 2>/dev/null
mv ./icons/*-impress* ./icons/"$APP"-impress 2>/dev/null
mv ./icons/*-main* ./icons/"$APP"-main 2>/dev/null
mv ./icons/*-math* ./icons/"$APP"-math 2>/dev/null
mv ./icons/*-startcenter* ./icons/"$APP"-startcenter 2>/dev/null
mv ./icons/*-writer* ./icons/"$APP"-writer 2>/dev/null

# LAUNCHERS
./libreoffice --appimage-extract opt/libreoffice*/share/xdg 2>/dev/null
./libreoffice --appimage-extract .junest/usr/lib/libreoffice/share/xdg 2>/dev/null
LAUNCHERS=$(find squashfs-root -name *.desktop -type f | xargs)
for f in $LAUNCHERS ; do
	launcher=$(echo "$f" | sed 's:.*/::')
	mv "$f" ./"$APP-${launcher%.desktop}-AM.desktop"
done
sed -i "s/LibreOffice [0-9].*[0-9] /LibreOffice /g; s/LibreOffice [0-9].*[0-9]$/LibreOffice/g; s#Icon=$APP#Icon=/opt/$APP/icons/$APP#g; s#$RELEASE#$APP#g; s/libreoffice[0-9].*[0-9]-/libreoffice-/g; s/libreoffice[0-9].*[0-9]-/libreoffice-/g; s/libreoffice[0-9].*[0-9] /libreoffice /g" *.desktop
mv *.desktop /usr/local/share/applications/
rm -R -f ./squashfs-root