#!/bin/sh

# To run from Internet: 
#     sudo sh -c "$(curl -s http://apps.control2net.com/apt/install-wmbus-server)"

echo "Check Java..."
java=$(java -version 2>&1 | grep version)
if [ -z "$java" ]; then
    echo "Install Java first."
    echo "For Raspbian Switch: sudo apt-get install oracle-java8-jdk"
    echo "For Raspbian Buster: sudo apt-get install openjdk-8-jdk"
    exit 0
fi
echo "Install dependencies..."
sudo apt-get update
sudo apt-get -y install librxtx-java
echo "Make directory..."
DIRECTORY="/opt/wmbus-server"
if [ ! -d "$DIRECTORY" ]; then
    sudo mkdir /opt/wmbus-server
    sudo chmod 0755 /opt/wmbus-server
else
    echo "Take backup..."
    DIRECTORYBACKUP="/opt/GoIoT/backup"
    if [ ! -d "$DIRECTORYBACKUP" ]; then
        mkdir /opt/GoIoT/backup
        sudo chmod 0755 /opt/GoIoT/backup
    fi
    DIRECTORYTMPBACKUP="/opt/GoIoT/tmpwmbusserverbackup"
    if [ ! -d "$DIRECTORYTMPBACKUP" ]; then
        mkdir /opt/GoIoT/tmpwmbusserverbackup
        sudo chmod 0755 /opt/GoIoT/tmpwmbusserverbackup
    fi
    cp -p /opt/wmbus-server/run-scripts/wmbus-server.conf /opt/wmbus-server/run-scripts/wmbus-server.`date +%Y%m%d%H%M%S`
    cp -p /opt/wmbus-server/run-scripts/wmbus-server.conf /opt/GoIoT/tmpwmbusserverbackup
fi
echo "Download files..."
cd /opt/wmbus-server
wget -N "http://apps.control2net.com/apt/wmbus/wmbus-server.zip"
echo "Extract files..."
unzip -o wmbus-server.zip
DIRECTORYTMPBACKUP="/opt/GoIoT/tmpwmbusserverbackup"
if [ -d "$DIRECTORYTMPBACKUP" ]; then
    cd /opt/GoIoT/tmpwmbusserverbackup
    sudo cp -p wmbus-server.conf //opt/wmbus-server/run-scripts/
    sudo rm -r /opt/GoIoT/tmpwmbusserverbackup
fi
echo "Setup service..."
cd /opt/wmbus-server/systemd
sudo cp -p wmbus-server.service /lib/systemd/system
sudo systemctl daemon-reload
echo "Copy scripts..."
cd /opt/wmbus-server/bin
sudo chmod +x wmbus* 
sudo cp -p wmbus* /opt/GoIoT/DinGo/bin
echo "Start service...."
sudo systemctl enable wmbus-server.service
sudo systemctl restart wmbus-server.service
echo "Finished."
echo "Use these commands to control the service:"
echo "    wmbus-server-status   (show service status)"
echo "    wmbus-server-start    (start the service)"
echo "    wmbus-server-stop     (stop the service)"
echo "    wmbus-server-restart  (restart the service)"
echo "    wmbus-server-enable   (service starts after reboot)"
echo "    wmbus-server-disable  (service does not start after reboot)"
echo "    wmbus-server          (start server directly, not as service)"
echo "    journalctl -f -u wmbus-server.service          (show real-time log)"