#!/bin/sh

APP=lime3ds
REPO="Lime3DS/Lime3DS"

# CREATE DIRECTORIES
if [ -z "$APP" ]; then exit 1; fi
mkdir -p "/opt/$APP/tmp" "/opt/$APP/icons" && cd "/opt/$APP/tmp" || exit 1

# ADD THE REMOVER
echo "#!/bin/sh
rm -f /usr/share/applications/AM-$APP.desktop /usr/local/bin/$APP
rm -R -f /opt/$APP" >> "/opt/$APP/remove"
chmod a+x "/opt/$APP/remove"

# DOWNLOAD AND PREPARE THE APP
# $version is also used for updates

version=$(curl -Ls https://api.github.com/repos/"$REPO"/releases | jq '.' | grep browser_download_url | grep -i appimage | cut -d '"' -f 4 | head -1)
wget "$version"
wget "$version.zsync" 2> /dev/null
echo "$version" >> /opt/$APP/version
tar fx ./*tar*
cd ..
mv ./tmp/*/* ./ && ln -s ./*qt.* ./"$APP"
chmod a+x /opt/"$APP"/*mage
rm -R -f ./tmp

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

# SCRIPT TO UPDATE THE PROGRAM
cat >> "/opt/$APP/AM-updater" << 'EOF'
#!/bin/sh
APP=lime3ds
REPO="Lime3DS/Lime3DS"
if [ -z "$APP" ]; then exit 1; fi
version0=$(cat "/opt/$APP/version")
version=$(curl -Ls https://api.github.com/repos/"$REPO"/releases | jq '.' | grep browser_download_url | grep -i appimage | cut -d '"' -f 4 | head -1)
if [ "$version" = "$version0" ]; then
		echo "Update not needed!" && exit 0
else
	notify-send "A new version of $APP is available, please wait"
	mkdir "/opt/$APP/tmp"
	cd "/opt/$APP/tmp" || exit 1
	wget $version
	if ls . | grep mage; then
		tar fx ./*tar* && cd .. || exit 1
  		rm ./version
  		echo "$version" >> ./version
  		mv --backup=t mv ./tmp/*/* ./ && ln -s ./*qt.* ./"$APP"
  		chmod a+x /opt/"$APP"/*mage
  		rm -R -f ./tmp ./*~
	fi
	notify-send "$APP is updated!"
fi

EOF
chmod a+x "/opt/$APP/AM-updater"

# LAUNCHER & ICON
cd "/opt/$APP" || exit 1
./"$APP" --appimage-extract .DirIcon 1>/dev/null && mv ./squashfs-root/.DirIcon ./DirIcon
./"$APP" --appimage-extract *.desktop 1>/dev/null && mv ./squashfs-root/*.desktop ./"$APP".desktop
./"$APP" --appimage-extract share/applications/*.desktop 1>/dev/null && mv ./squashfs-root/share/applications/*.desktop ./"$APP".desktop
./"$APP" --appimage-extract usr/share/applications/*.desktop 1>/dev/null && mv ./squashfs-root/usr/share/applications/*.desktop ./"$APP".desktop
if [ -L ./DirIcon ]; then
	LINKPATH=$(readlink ./DirIcon) 
	./"$APP" --appimage-extract "$LINKPATH" && mv ./squashfs-root/"$LINKPATH" ./DirIcon 
fi
if [ -L ./DirIcon ]; then # AGAIN BECAUSE THE FIRST SYMLINK POINTS TO ANOTHER SYMLINK KEK
	LINKPATH=$(readlink ./DirIcon) 
	./"$APP" --appimage-extract "$LINKPATH" && mv ./squashfs-root/"$LINKPATH" ./DirIcon 
fi
sed -i "s#Exec=[^ ]*#Exec=$APP#g; s#Icon=.*#Icon=/opt/$APP/icons/$APP#g" ./"$APP".desktop
mv ./"$APP".desktop /usr/share/applications/AM-"$APP".desktop && mv ./DirIcon ./icons/"$APP" 2>/dev/null
rm -R -f ./squashfs-root