#!/bin/bash

set -exo pipefail

function main()
{
    #upgradeSystem
    apt-get update && apt-get -qqy upgrade
    apt-get -qqy install curl git build-essential libz-dev zlib1g-dev

    #change to main branch for production
    #change to MEapp-development branch for development
    git clone --single-branch --branch main https://repo.prod.meissa.de/meissa/ModeratorElection.git /usr/local/src/ModeratorElection

    #download gradle
    #gradle_version="8.4"
    #curl -SsLo /tmp/gradle-${gradle_version}-bin.zip https://services.gradle.org/distributions/gradle-${gradle_version}-bin.zip
    #curl -SsLo /tmp/gradle-${gradle_version}-bin.zip.sha256 https://services.gradle.org/distributions/gradle-${gradle_version}-bin.zip.sha256

    #download graalvm
    #graalvm-community-jdk, v22.0.1 2024-04-16
    graalvm_jdk_version="22.0.1"
    curl -SsLo /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz https://github.com/graalvm/graalvm-ce-builds/releases/download/jdk-22.0.1/graalvm-community-jdk-22.0.1_linux-x64_bin.tar.gz
    curl -SsLo /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz.sha256 https://github.com/graalvm/graalvm-ce-builds/releases/download/jdk-${graalvm_jdk_version}/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz.sha256

    #checksum graalvm
    checksum

    #install graalvm
    graalvm_inst

    #nativeCompile
    buildproc

    #cleanupDocker
    rm -f /root/.ssh/authorized_keys
    rm -f /root/.ssh/authorized_keys2

    apt-get clean
    apt-get -qqy autoremove --purge
    apt-get -qqy autoclean
    rm -rf /var/lib/apt/lists/

    rm -rf /tmp/*

    find /var/cache -type f -exec rm -rf {} \;
    find /var/log/ -name '*.log' -exec rm -f {} \;

} > /dev/null

function checksum() {
    #graalvm
    echo "  /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz"|tee -a /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz.sha256
    sha256sum -c --status /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz.sha256
}

function graalvm_inst(){
    mkdir /usr/lib/jvm/
    tar -C /usr/lib/jvm/ -xzf /tmp/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz
    dirname_graalvm=$(ls /usr/lib/jvm/|grep -e graa)
    mkdir /usr/lib/jvm/graalvm/
    ln -s /usr/lib/jvm/$dirname_graalvm/bin/ /usr/lib/jvm/graalvm/
    update-alternatives --install /usr/bin/java java /usr/lib/jvm/graalvm/bin/java 0
    echo "export PATH=$PATH:/usr/lib/jvm/graalvm/bin"| tee -a ~/.bashrc
}

function buildproc() {
    cd /usr/local/src/ModeratorElection/
    #build graalvm binary
    ./gradlew nativeCompile -Dvaadin.productionMode=true -x processTestAot
}

#source /tmp/install_functions_debian.sh
DEBIAN_FRONTEND=noninteractive DEBCONF_NOWARNINGS=yes main