#!/bin/sh

APP=jgrasp
SITE="https://www.jgrasp.org/"

# CREATE THE FOLDER
mkdir /opt/$APP
cd /opt/$APP

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

# DOWNLOAD THE ARCHIVE
mkdir tmp
cd ./tmp

version=$(echo "https://www.jgrasp.org/dl4g/jgrasp/jgrasp_bdl$(curl -Ls https://www.jgrasp.org/ | grep "release" | head -1 | tr ' ' '\n' | grep [0-9] | head -1 | tr -d '.').zip")
wget $version
echo "$version" >> /opt/$APP/version
unzip ./*.zip
cd ..
mv ./tmp/*/* ./
rm -R -f ./tmp

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

# SCRIPT TO UPDATE THE PROGRAM
cat >> /opt/$APP/AM-updater << 'EOF'
#!/usr/bin/env bash
APP=jgrasp
version0=$(cat /opt/$APP/version)
version=$(echo "https://www.jgrasp.org/dl4g/jgrasp/jgrasp_bdl$(curl -Ls https://www.jgrasp.org/ | grep "release" | head -1 | tr ' ' '\n' | grep [0-9] | head -1 | tr -d '.').zip")
if [ $version = $version0 ]; then
  echo "Update not needed!"
else
  notify-send "A new version of $APP is available, please wait"
  mkdir /opt/$APP/tmp
  cd /opt/$APP/tmp
  wget $version
  unzip ./*.zip
  cd ..
  mv --backup=t ./tmp/*/* ./
  rm ./version
  echo $version >> ./version
  rm -R -f ./tmp ./*~
  notify-send "$APP is updated!"
fi
EOF
chmod a+x /opt/$APP/AM-updater

# LAUNCHER
echo "[Desktop Entry]
Encoding=UTF-8
Version=1.0
Name=jGRASP
GenericName=IDE
Exec=$APP
Terminal=false
Icon=/opt/$APP/data/gric48.png
Type=Application\nCategories=Application;Development;IDE;
Comment[en_US]=jGRASP IDE" >> /usr/share/applications/AM-$APP.desktop