#!/bin/bash

USERNAME=usradmin
SSH_PORT=2525

if [ "$(id -u)" != "0" ]; then
    echo -e "\033[31mThis script requires superuser rights.\033[0m"
    exit 0
fi

trap 'echo -e "\033[31mSomething went wrong\033[0m"; exit 1' ERR
set -e

export DEBIAN_FRONTEND=noninteractive

echo "Upgrade packages..."
apt-get update
apt-get upgrade -y

echo "Install apps..."
apt-get install -y mc vim pwgen cron

echo "Set timezone..."
timedatectl set-timezone Asia/Yekaterinburg
echo "Timezone changed:"
timedatectl

echo "Add new sudo user..."
if id "$USERNAME" &>/dev/null; then
    echo "User $USERNAME already exists"
else
    useradd -m -s /bin/bash "$USERNAME"
    usermod -aG sudo "$USERNAME"
fi

echo "Configure /data privilegies..."
chown "$USERNAME":"$USERNAME" /data
chmod 770 /data

echo "Create /backups directory..."
mkdir -p /backups
chown "$USERNAME":"$USERNAME" /backups
chmod 770 /backups

echo "Change SSH port to $SSH_PORT..."
cd /data/utils
bash ssh-port.sh $SSH_PORT

echo "Disable SSH password auth..."
bash ssh-pw.sh n

trap - ERR
echo "Init complete"