#!/bin/sh

# AM INSTALL SCRIPT VERSION 3.5
set -u
APP=brave
SITE1=$(curl -Ls https://api.github.com/repos/brave/brave-browser/releases/latest | sed 's/[()",{} ]/\n/g' | grep -oi "https.*linux-amd64.zip$" | head -1)
SITE2=$(curl -Ls https://api.github.com/repos/srevinsaju/Brave-AppImage/releases/latest | sed 's/[()",{} ]/\n/g' | grep -oi "https.*stable.*appimage$" | head -1)

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

# CHOOSE A VERSION
read -r -p "
 Choose which version of Brave to use:
 
 1. Brave
    Official portable build of Brave, stable version
    Source: https://github.com/brave/brave-browser

 2. Brave AppImage
    Unofficial AppImage made by turning the portable build into an AppImage
    It can be sandboxed with 'am --sandbox brave' or 'appman --sandbox brave'
    Source: https://github.com/srevinsaju/Brave-AppImage

 Which version you choose (type a number and press ENTER)?: " RESPONSE
case "$RESPONSE" in
	1)
	UPDATER=1
	version="$SITE1"
	wget "$version" || exit 1;;

	2)
	UPDATER=2
	version="$SITE2"
	wget "$version" || exit 1;;

	*) ../remove && echo "Not a valid number, aborting" && exit 1;;
esac

# PREPARE THE APP, $version is also used for updates
if [ -e ./*zip ]; then
	unzip -qq ./*zip 1>/dev/null && rm -f ./*zip
	chmod a+x ./brave || exit 1
	ln -s "/opt/$APP/brave" "/usr/local/bin/$APP" # LINK TO PATH
else
	mv ./*mage ./"$APP"
	chmod a+x ./"$APP" || exit 1
	ln -s "/opt/$APP/$APP" "/usr/local/bin/$APP" # LINK TO PATH
fi
cd ..
mv ./tmp/* ./ && rm -R -f ./tmp || exit 1
echo "$version" > ./version

# SCRIPT TO UPDATE THE PROGRAM
cat >> ./AM-updater << 'EOF'
#!/bin/sh
set -u
APP=brave
#SITE1=$(curl -Ls https://api.github.com/repos/brave/brave-browser/releases/latest | sed 's/[()",{} ]/\n/g' | grep -oi "https.*linux-amd64.zip$" | head -1)
#SITE2=$(curl -Ls https://api.github.com/repos/srevinsaju/Brave-AppImage/releases/latest | sed 's/[()",{} ]/\n/g' | grep -oi "https.*stable.*appimage$" | head -1)
version0=$(cat "/opt/$APP/version")
version="REPLACETHIS"
[ -n "$version" ] || { echo "Error getting link"; exit 1; }
if [ "$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
	if [ -e ./*zip ]; then
		unzip -qq ./*zip 1>/dev/null && rm -f ./*zip
		chmod a+x ./brave || exit 1
	else
		mv ./*mage ./"$APP"
		chmod a+x ./"$APP" || exit 1
	fi
	cd ..
	mv --backup=t ./tmp/* ./ && rm -R -f ./tmp ./*~ || exit 1
	echo "$version" > ./version
	notify-send "$APP is updated!"
else
	echo "Update not needed!"
fi
EOF
[ "$UPDATER" = 1 ] && { sed -i 's|REPLACETHIS|$SITE1|g; s|#SITE1|SITE1|g' ./AM-updater || exit 1; }
[ "$UPDATER" = 2 ] && { sed -i 's|REPLACETHIS|$SITE2|g; s|#SITE2|SITE2|g' ./AM-updater || exit 1; }
chmod a+x ./AM-updater || exit 1

# LAUNCHER & ICON
if [ "$UPDATER" = "1" ]; then
	DESKTOP="https://raw.githubusercontent.com/srevinsaju/Brave-AppImage/master/AppDir/brave-browser.desktop"
	wget "$DESKTOP" -O ./"$APP".desktop 2>/dev/null || exit 1
	mv ./product*logo*128*.png ./DirIcon
else
	./"$APP" --appimage-extract *.desktop 1>/dev/null && mv ./squashfs-root/*.desktop ./"$APP".desktop
	./"$APP" --appimage-extract .DirIcon 1>/dev/null && mv ./squashfs-root/.DirIcon ./DirIcon
	COUNT=0
	while [ "$COUNT" -lt 10 ]; do # Tries to get the actual icon/desktop if it is a symlink to another symlink
		if [ -L ./"$APP".desktop ]; then
			LINKPATH=$(readlink ./"$APP".desktop)
			./"$APP" --appimage-extract "$LINKPATH" 1>/dev/null && mv ./squashfs-root/"$LINKPATH" ./"$APP".desktop
		fi
		if [ -L ./DirIcon ]; then
			LINKPATH=$(readlink ./DirIcon)
			./"$APP" --appimage-extract "$LINKPATH" 1>/dev/null && mv ./squashfs-root/"$LINKPATH" ./DirIcon
		fi
		[ ! -L ./"$APP".desktop ] && [ ! -L ./DirIcon ] && break
		COUNT=$((COUNT + 1))
	done
	rm -R -f ./squashfs-root
fi
sed -i "s#Exec=[^ ]*#Exec=$APP#g; s#Icon=.*#Icon=/opt/$APP/icons/$APP#g" ./"$APP".desktop
mv ./"$APP".desktop /usr/local/share/applications/"$APP"-AM.desktop && mv ./DirIcon ./icons/"$APP" 1>/dev/null