#!/bin/sh

# AM INSTALL SCRIPT VERSION 3. 
set -u
APP=godot
SITE="godotengine/godot"

# 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

# DOWNLOAD AND PREPARE THE APP, $version is also used for updates
version=$(curl -Ls https://api.github.com/repos/godotengine/godot/releases | sed 's/[()",{} ]/\n/g' | grep -oi "https.*" | grep -vi "i386\|i686\|aarch64\|arm64\|armv7l" | grep -i "linux.x86_64.zip" | head -1)
wget "$version" || exit 1
[ -e ./*7z ] && 7z x ./*7z && rm -f ./*7z
[ -e ./*tar.* ] && tar fx ./*tar.* && rm -f ./*tar.*
[ -e ./*zip ] && unzip -qq ./*zip 1>/dev/null && rm -f ./*zip
cd ..
if [ -d ./tmp/* 2>/dev/null ]; then mv ./tmp/*/* ./; else mv ./tmp/* ./"$APP" 2>/dev/null || mv ./tmp/* ./; fi
rm -R -f ./tmp || exit 1
echo "$version" > ./version
chmod a+x ./$APP || exit 1

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

# SCRIPT TO UPDATE THE PROGRAM
cat >> ./AM-updater << 'EOF'
#!/bin/sh
set -u
APP=godot
SITE="godotengine/godot"
version0=$(cat "/opt/$APP/version")
version=$(curl -Ls https://api.github.com/repos/godotengine/godot/releases | sed 's/[()",{} ]/\n/g' | grep -oi "https.*" | grep -vi "i386\|i686\|aarch64\|arm64\|armv7l" | grep -i "linux.x86_64.zip" | head -1)
[ -n "$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
	[ -e ./*7z ] && 7z x ./*7z && rm -f ./*7z
	[ -e ./*tar.* ] && tar fx ./*tar.* && rm -f ./*tar.*
	[ -e ./*zip ] && unzip -qq ./*zip 1>/dev/null && rm -f ./*zip
	cd ..
	if [ -d ./tmp/* 2>/dev/null ]; then mv --backup=t ./tmp/*/* ./; else mv --backup=t ./tmp/* ./"$APP" 2>/dev/null || mv --backup=t ./tmp/* ./; fi
	chmod a+x ./"$APP" || exit 1
	echo "$version" > ./version
	rm -R -f ./tmp ./*~
	notify-send "$APP is updated!"
else
	echo "Update not needed!"
fi
EOF
chmod a+x ./AM-updater || exit 1

# ICON
mkdir -p icons
wget https://portable-linux-apps.github.io/icons/godot.png -O ./icons/"$APP" 2> /dev/null

# LAUNCHER
echo "[Desktop Entry]
Name=Godot Engine
GenericName=Libre game engine
GenericName[el]=Ελεύθερη μηχανή παιχνιδιού
GenericName[fr]=Moteur de jeu libre
GenericName[nl]=Libre game-engine
GenericName[zh_CN]=自由的游戏引擎
Comment=Multi-platform 2D and 3D game engine with a feature-rich editor
Comment[el]=2D και 3D μηχανή παιχνιδιού πολλαπλών πλατφορμών με επεξεργαστή πλούσιο σε χαρακτηριστικά
Comment[fr]=Moteur de jeu 2D et 3D multiplateforme avec un éditeur riche en fonctionnalités
Comment[nl]=Multi-platform 2D- en 3d-game-engine met een veelzijdige editor
Comment[zh_CN]=多平台 2D 和 3D 游戏引擎，带有功能丰富的编辑器
Exec=godot %f
Icon=/opt/$APP/icons/$APP
Terminal=false
PrefersNonDefaultGPU=true
Type=Application
MimeType=application/x-godot-project;
Categories=Development;IDE;
StartupWMClass=Godot" > /usr/local/share/applications/"$APP"-AM.desktop