#!/bin/bash

echo "Installing bash monitoring script..."

if [ ${UID} -ne 0 ]; then
    echo "Even if the script itself doesn't need to run as root,"
    echo "the installer does need to be started with sudo or as root."
    exit 1
fi

if [ -d /opt/bash-logging ]; then
    echo "It seems like the script is already set up on this system."
    echo "Do you want to overide the old version? Sensors will be kept"

    while true; do
        read -p "[y/n] " -n 2 CHOICE

        if [ "${CHOICE}" = "y" ]; then
            SENSORS_TEMP_DIR=$(mktemp -d)
            mv /opt/bash-logging/sensors.d/ /opt/bash-logging/.env ${SENSORS_TEMP_DIR}/
            rm -rf /opt/bash-logging/
            mkdir -p /opt/bash-logging/
            mv ${SENSORS_TEMP_DIR}/sensors.d/ ${SENSORS_TEMP_DIR}/.env /opt/bash-logging/

            break
        elif [ "${CHOICE}" = "n" ]; then
            exit 1
        fi
    done
fi

echo "Copying files..."
[ ! -d /opt/bash-logging ] && mkdir /opt/bash-logging
cp -r inc main.sh /opt/bash-logging/

if [ -f /opt/bash-logging/.env ]; then
    echo "Not overwriting existing .env"
elif [ -f .env ]; then
    echo "Copying local .env"
    cp .env /opt/bash-logging/.env
else
    echo "Copying template .env, be sure to adjust it!"
    cp .env.example /opt/bash-logging/.env
fi

if [ -d /opt/bash-logging/sensors.d ]; then
    echo "Not overwriting existing sensors.d"
else
    echo "Copying example sensors.d be sure to adjust it!"
    cp -r sensors.d /opt/bash-logging/
fi

echo "Copying systemd script..."
cp systemd/bash-logging.service /etc/systemd/system/
systemctl daemon-reload
systemctl enable --now bash-logging.service