# This script installs and runs the project.

# For error-handling, we cannot use the "set -e" since: it has problems https://mywiki.wooledge.org/BashFAQ/105
# So we have our own function, for use when a single command fails.
handle_error () {
  echo -e "$1"; exit $2
}

# Change the working directory to the script's directory, when running from another location.
cd "${0%/*}" || handle_error "Could not change-dir to this script's dir!" 1

justInstall=0
shouldRunInDocker=0

if [[ $# -eq 1 ]]; then
	justInstall=$1
elif [[ $# -eq 2 ]]; then
  justInstall=$1
  shouldRunInDocker=$2
elif [[ $# -gt 2 ]]; then
	echo -e "Wrong number of arguments given: ${#}\nPlease execute it like: script.sh <justInstall: 0 | 1> <shouldRunInDocker: 0 | 1>";	exit 2
fi

if [[ justInstall -eq 1 && shouldRunInDocker -eq 1 ]]; then
  echo -e "Cannot run in docker without re-building the project (just to be safe). Setting \"justInstall\" to < 0 >"
  justInstall=0
fi

gradleVersion="8.0.2"

if [[ justInstall -eq 0 ]]; then

  if [[ ! -d /opt/gradle/gradle-${gradleVersion} ]]; then
    wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip
    echo -e "\nAsking for sudo, in order to install 'gradle'..\n"
    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
  fi

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

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

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

  gradle clean build

  if [[ shouldRunInDocker -eq 1 ]]; then
    echo -e "\nGive the username for the Docker Hub:"
    read -r username
    echo -e "\nBuilding docker image..\n"
    sudo docker --version || handle_error "Docker was not found!" 3
    dockerImage=${username}"/urls_controller:latest"
    sudo docker build --no-cache -t "${dockerImage}" .
    echo -e "\nPushing docker image.. (the account password is required, otherwise it will not be pushed, but it will continue to run)..\n"
    (sudo docker login -u "${username}" && sudo docker push "${dockerImage}") || true
    (sudo mkdir -p "$HOME"/tmp/config && sudo cp ./src/main/resources/application.properties "$HOME"/tmp/config) || true  # This also replaces an existing "application.properties".
    sudo docker run -d --mount type=bind,source="$HOME"/tmp/config,target=/mnt/config -p 1880:1880 "${dockerImage}" && echo "The docker container started running."
    # Run in "detached mode" (in the background).
  fi
else
  export PATH=/opt/gradle/gradle-${gradleVersion}/bin:$PATH # Make sure the gradle is still accessible (it usually isn't without the "export").
fi

if [[ shouldRunInDocker -ne 1 ]]; then
  gradle bootRun
fi