cd "${0%/*}" || (echo "Could not chdir to this script's dir!" && exit)  # Change the working directory to the script's directory, when running from other location.

justInstall=0

if [[ $# -eq 1 ]]; then
	justInstall=$1
elif [[ $# -gt 1 ]]; then
	echo -e "Wrong number of arguments given: ${#}\nPlease execute it like: script.sh <justInstall: 0 | 1>";	exit 1
fi

# Check of the "inputData.txt" file exist, if not, ask to fill it.
inputDataFile="inputData.txt"

if [[ ! -f $inputDataFile ]]; then
  echo -e "The file \"$inputDataFile\" does not exist. Going to create it..\n"

  echo "Give the ID of this worker:"
  read -r workerId

  echo -e "\nGive the baseUrl of the controller (e.g.: http://IP:PORT/api/):"
  read -r controllerBaseUrl

  touch $inputDataFile
  echo "$workerId,$controllerBaseUrl" >> $inputDataFile
  echo -e "\n\n"
fi

gradleVersion="7.2"

if [[ justInstall -eq 0 ]]; then

  if [ ! -d libs ]; then
    mkdir libs || (echo -e "The directory \"libs\" could not be created! Exiting.." && exit 2)
  fi

  cd libs || exit 3
  git clone https://github.com/LSmyrnaios/PublicationsRetriever.git # We assume there is no previously source-code here, if so, it will be overwritten.

  # Do not need to perform a string-replace in "build.gradle", since it automatically gets all ".jar" files.

  # Keep a backup of the existing JAR file.
  mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar

  cd PublicationsRetriever && mvn clean install

  # Copy the created JAR file to the top libs directory.
  cp target/publications_retriever-1.0-SNAPSHOT.jar ../publications_retriever-1.0-SNAPSHOT.jar

  # Delete the directory with the source-code.
  cd ../ && rm -rf PublicationsRetriever

  # Clean and (re)build and run the project.
  cd ../
  echo -e "\nAsking for sudo, in order to verify the installation of 'gradle'..\n"

  wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip

  sudo mkdir /opt/gradle
  sudo apt install -y unzip && sudo unzip -d /opt/gradle gradle-${gradleVersion}-bin.zip
  #ls /opt/gradle/gradle-${gradleVersion}  # For debugging installation

  export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin

  gradle wrapper --gradle-version=${gradleVersion} --distribution-type=bin

  #gradle tasks  # For debugging installation
  #gradle -v # For debugging installation

  gradle clean
  gradle build
else
  export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin # Make sure the gradle is still accessible (it usually isn't without the "export").
fi

gradle bootRun