# FROM https://markuspeitl.github.io/my-linux-scripts/install-appimage.html

START_DIR=$(pwd)
APP_IMG_PATH=~/RufusQt6.AppImage
APP_IMG_NAME=$(basename $APP_IMG_PATH)
NEW_NAME=Rufus

cd ~

#Making the appimage executable
echo "Executing: chmod +x $APP_IMG_PATH"
chmod +x $APP_IMG_PATH
printf "\n"

#Move it to the temp directory and extract the appimage there
echo "Moving AppImage to: 'mv $APP_IMG_PATH /tmp'"
cp $APP_IMG_PATH /tmp
cd /tmp
echo "Executing: '$APP_IMG_NAME --appimage-extract'"
./$APP_IMG_NAME --appimage-extract
printf "\n"

#Find the desktop file in the extracted directory
echo "Executing: DESKTOP_FILE=find squashfs-root -name \"*.desktop\""
DESKTOP_FILE=$(find squashfs-root -name "*.desktop" | head -n 1)
echo "Found '$DESKTOP_FILE'"
printf "\n"
 
#And move it to your application links
DESKTOP_INSTALLED_DIR=~/.local/share/applications/
echo "Copy desktop file: 'cp $DESKTOP_FILE $DESKTOP_INSTALLED_DIR'"
cp $DESKTOP_FILE $DESKTOP_INSTALLED_DIR
DESKTOP_INSTALLED=$DESKTOP_INSTALLED_DIR$(basename $DESKTOP_FILE)
printf "\n"

#Then rename to appimage and move it to the user binaries directory
INSTALLED_PATH=~/.local/bin/$NEW_NAME
#Create bin folder
echo "Create ~/.local/bin"
mkdir ~/.local/bin
echo "Move binary: 'mv $APP_IMG_NAME $INSTALLED_PATH'"
mv $APP_IMG_NAME $INSTALLED_PATH
printf "\n"

#Use sed to replace the path of the executable in the desktop file
echo "sed -i -E s:Exec=.+\n:Exec=$INSTALLED_PATH: $DESKTOP_INSTALLED"
sed -i -E s:Exec=.+:Exec=$INSTALLED_PATH: $DESKTOP_INSTALLED
printf "\n"

#Create path for the icon
ICONPATH=~/.local/share/icons/hicolor/256x256/apps
ICONAPPIMAGEPATH=/tmp/squashfs-root/usr/share/icons/hicolor/256x256/apps/rufus.png
ICONNAME=rufus.png
echo "mkdir ~/.local/share/icons/hicolor/256x256/apps"
mkdir $ICONPATH
echo "cp /tmp/squashfs-root/usr/share/icons/hicolor/256x256/apps/rufus.png ~/.local/share/icons/hicolor/256x256/apps"
echo "cp " $ICONAPPIMAGEPATH $ICONPATH
cp $ICONAPPIMAGEPATH $ICONPATH

#Use sed to replace the path of the Icon in the desktop file
echo "sed -i -E s:Icon=.+\n:Icon=/tmp/squashfs-root/usr/share/icons/hicolor/256x256/apps/rufus.png: ~/.local/share/icons/hicolor/256x256/apps/rufus.png"
sed -i -E s:Icon=.+:Icon=$ICONPATH/$ICONNAME:  $DESKTOP_INSTALLED

printf "\n"

#Clean up extracted application temporary directory and go back to start dir
echo "Cleaning up"
#rm -r /tmp/squashfs-root
cd $START_DIR
printf "\n"
echo "Finished installing $APP_IMG_NAME as $NEW_NAME!"