#!/bin/sh

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
export PATH

LANG="en_US.UTF-8"
export LANG

if [ -s "/etc/os-release" ]; then
	. /etc/os-release
	if [ "${ID}" != "debian" ]; then
		echo "*** NOT DEBIAN ***"
		echo "*** ABORTING *****"
		exit 1
	fi
else
	echo "*** UNKNOWN DIST ***"
	echo "*** ABORTING *******"
	exit 1
fi

echo "*** START ***"

DEBIAN_FRONTEND=noninteractive
export DEBIAN_FRONTEND

trap "dpkg --configure -a" 1 2 3 9 11 15

echo "## updating repos"
apt-get -y update | grep -v -e "^Hit:" -e "^Get:"

echo "## upgrading system"
apt-get -y dist-upgrade

echo "## updating locales"
apt-get -q -y install locales | grep -v -e "is already the newest version"
LOC1=$(md5sum /etc/locale.gen | cut -b 1-32)
sed -i 's/^# *de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/g' /etc/locale.gen
sed -i 's/^# *en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g' /etc/locale.gen
LOC2=$(md5sum /etc/locale.gen | cut -b 1-32)
if [ "${LOC1}" != "${LOC2}" ]; then
	locale-gen | grep -v -e "^  "
fi
update-locale LANG=de_DE.UTF-8

echo "## installing tools"
dpkg --configure -a
apt-get -q -y install \
	net-tools \
	uptimed \
	unattended-upgrades \
	curl \
	ntpdate \
	wget \
	rsyslog \
	vim \
	psmisc \
	rsync \
	bmon \
	tcpdump \
	mtr-tiny \
	moreutils \
	ifenslave \
	pigz \
	git | grep -v -e "is already the newest version"

echo "## enabling unattended-upgrades"
echo unattended-upgrades unattended-upgrades/enable_auto_updates boolean true | debconf-set-selections
dpkg-reconfigure -f noninteractive unattended-upgrades

echo "## deleting default user"
if id user >/dev/null 2>&1; then
	userdel -rf user
fi

echo "## setting vim config"
truncate -s0 /root/.vimrc
echo "set mouse=" >>/root/.vimrc
echo "syntax on" >>/root/.vimrc

echo "## setting ssh keys"
mkdir -p /root/.ssh/
chmod 700 /root/ /root/.ssh/
truncate -s0 /root/.ssh/authorized_keys

echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICFP1rThjJUx618ao9fmvLCTAvMdIyPLz5DTFZsfo6fo jenni@jenni-Latitude-5420" >>/root/.ssh/authorized_keys
echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOEXgwNeuzCW6NG5gLDcq/YIsy3LifxtuesAUkYHNNKV root@backup" >>/root/.ssh/authorized_keys

chmod 600 /root/.ssh/authorized_keys
chown -R root:root /root/.ssh /root/.vimrc

echo "## syncing time"
ntpdate pool.ntp.org
hwclock --systohc

echo "*** DONE ***"