#!/bin/bash
: '
 @vendor    Chorke Academia, Inc.
 @web       https://cdn.chorke.org/docs/academia
 @version   1.0.00
 @since     1.0.00
'

:<<EOF
sudo apt -qq update;\
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64;\
bash <(curl -s 'https://cdn.chorke.org/exec/cli/bash/install/apache-activemq/5.17.1.sh.txt')
EOF

function validate(){
    if [ -d '/opt/cli/apache-activemq-5.17.1' ]||[ -f '/etc/systemd/system/activemq.service' ];then
        printf '\napache-activemq \033[0;31malready installed \033[0m:)\n'
        exit 0
    fi
    if [ ! -f "${JAVA_HOME}/bin/java" ]||[ ! -x "$(command -v java)" ];then
        printf '\njava \033[0;31mnot found! \033[0m:(\n'
        exit 0
    fi
}

function download(){
    if [ ! -d '/opt/cli' ];then sudo mkdir -p /opt/cli;fi
    sudo wget -cq https://dlcdn.apache.org/activemq/5.17.1/apache-activemq-5.17.1-bin.tar.gz -P /opt/cli/
    sudo tar -xzf /opt/cli/apache-activemq-5.17.1-bin.tar.gz -C /opt/cli/
    sudo rm  -rf  /opt/cli/apache-activemq-5.17.1-bin.tar.gz
}

function approve(){
    sudo addgroup --quiet --system activemq
    sudo adduser  --quiet --system --ingroup activemq --no-create-home --disabled-password activemq
    sudo chown -R activemq:activemq /opt/cli/apache-activemq-5.17.1
}

function install(){
    sudo sed -i "s@127.0.0.1@0.0.0.0@" /opt/cli/apache-activemq-5.17.1/conf/jetty.xml
    sudo sed -i "s@#JAVA_HOME=\"\"@JAVA_HOME=\"$JAVA_HOME\"@" /opt/cli/apache-activemq-5.17.1/bin/env
    sudo tee -a /etc/systemd/system/activemq.service >/dev/null <<'EOF'
[Unit]
Description=Apache ActiveMQ
After=network-online.target

[Service]
Type=forking
User=activemq
Group=activemq

WorkingDirectory=/opt/cli/apache-activemq-5.17.1/bin
ExecStart=/opt/cli/apache-activemq-5.17.1/bin/activemq start
ExecStop=/opt/cli/apache-activemq-5.17.1/bin/activemq stop
Restart=on-abort

[Install]
WantedBy=multi-user.target
EOF
}

function launch(){
    sudo systemctl daemon-reload
    sudo systemctl enable activemq.service
    sudo systemctl start  activemq.service
    sudo systemctl status activemq.service
}

function init(){
    validate
    download
    approve
    install
    launch
}

init