#!/bin/sh

APP=zap
BINARY=zap-amd64

# 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 PROGRAM
mkdir tmp
cd ./tmp

v=$(curl -Ls https://api.github.com/repos/srevinsaju/zap/releases/latest | jq '.' | grep -E tag_name | awk -F '[""]' '{print $4}')
wget https://github.com/srevinsaju/zap/releases/download/$v/$BINARY
echo $v >> /opt/$APP/version

cd ..
mv ./tmp/$BINARY ./$APP
chmod a+x /opt/$APP/$APP
rmdir ./tmp

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

# SCRIPT TO UPDATE THE PROGRAM
cat >> /opt/$APP/AM-updater << 'EOF'
#!/usr/bin/env bash
APP=zap
BINARY=zap-amd64
version0=$(cat /opt/$APP/version)
v=$(curl -Ls https://api.github.com/repos/srevinsaju/zap/releases/latest | jq '.' | grep -E tag_name | awk -F '[""]' '{print $4}')
if [ "$version0" == "$v" ]; then
  echo "Update not needed, exit!"
else
  notify-send "A new version of '$APP' is available, please wait!"
  mkdir /opt/$APP/tmp
  cd /opt/$APP/tmp
  wget https://github.com/srevinsaju/zap/releases/download/$v/$BINARY
  rm -R /opt/$APP/version
  echo $v >> /opt/$APP/version
  cd ..
  mv /opt/$APP/tmp/$BINARY /opt/$APP/$APP
  chmod a+x /opt/$APP/$APP
  rm -R -f /opt/$APP/tmp
  notify-send "$APP is updated!"
fi

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