#!/bin/bash

#    terminal-setup.sh
#    OpenDRS Online Maintenance Tracking System
#    Copyright (C) 2022  Rod Wright

#    SPDX-License-Identifier: GPL-2.0

current_user=`whoami`
current_login=`who am i | awk '{print $1}'`
if [ "$current_user" != "root" ]
then
	echo "You must have root privileges to run this setup."
	echo "Try 'sudo ./terminal-setup.sh'"
	exit 1
fi
echo ""
echo ""
echo ""
echo ""
echo "This script will configure a Raspberry Pi to be an OpenDRS terminal."
echo ""
echo ""
echo "You should have already completed the following steps:"
echo ""
echo "1. Created a Raspberry Pi OS Lite SD card from the latest release."
echo ""
echo "2. Installed the card in a Raspberry Pi, booted it, and completed"
echo "    initial configuration."
echo ""
echo "3. Ran sudo raspi-config and :"
echo "     a. Set locale, timezone, and WLAN Country under"
echo "         Localisation Options. "
echo ""
echo "     b. Set hostname and Boot / Auto Login to Console under System Options."
echo ""
echo "     c. If accessing a network through wifi, the Wireless LAN SSID"
echo "         and passphrase under System Options."
echo ""
echo "     d. Enable SSH under Interface Options."
echo ""
echo "     e. Set underscan as required under Display Options to get rid of any"
echo "         black borders around the edge of the display."
echo ""
echo "     f. Reboot when prompted and logged back in as $current_login."
echo ""
echo "4. Transferred the OpenDRS distribution package to /home/$current_login on the"
echo "    Raspberry Pi and extracted it."
echo "5. Changed directory to RPiSetup in the extracted distribution directory."
echo ""
echo ""
echo "If you have completed these steps, press enter to continue. If not,"
echo -n "press ctrl-c to quit."
read continueok
echo ""
echo ""
echo ""
echo ""
echo "Updating Raspberry Pi OS..."
sleep 10
echo ""
echo ""
echo ""
echo ""
apt update && apt dist-upgrade -y
echo ""
echo ""
echo ""
echo ""
echo "...done."
sleep 10
echo ""
echo ""
echo "Copying files..."
chmod +x usr/local/bin/*
cp usr/local/bin/* /usr/local/bin
cp etc/drs.conf /etc
cp etc/apt/sources.list.d/* /etc/apt/sources.list.d
cp lib/systemd/system/getty@tty1.service /lib/systemd/system
echo ""
echo ""
echo ""
echo ""
echo "...done."
sleep 10
echo ""
echo ""
echo "Installing required terminal packages..."
sleep 10
echo ""
echo ""
echo ""
echo ""
echo "deb https://download.webmin.com/download/repository sarge contrib" >/etc/apt/sources.list.d/webmin.list
wget https://download.webmin.com/jcameron-key.asc
cat jcameron-key.asc | gpg --dearmor >/etc/apt/trusted.gpg.d/jcameron-key.gpg
rm jcameron-key.asc
apt install apt-transport-https
apt update
apt install -y --no-install-recommends xorg openbox chromium-browser
apt install -y cups libcups2-dev cmake
apt install -y webmin
addgroup lpadmin
usermod -a -G lpadmin $current_login
systemctl enable getty@tty1.service
service cups-browsed stop
systemctl disable cups-browsed.service
cp etc/cups/cupsd.conf /etc/cups/
service cups restart
cd brlaser-master
cmake . && make && make install
cd ..
myhn=`hostname`
echo ""
echo ""
echo ""
echo ""
echo "Drivers have been installed for the Brother HL-L2300D printer that may come" 
echo "with the terminal."
echo "After the terminal is set up and working, you can use another network"
echo "computer to point a web browser to $myhn:631 to add this or another printer"
echo "of your choosing."
echo -n "Press enter to continue."
read continueok
echo ""
echo "Creating customer user..."
sleep 10
echo ""
echo ""
echo ""
echo ""
cloneuser $current_login customer
mkdir -p /home/customer/.config/openbox
cp home/customer/.profile /home/customer
cp home/customer/.config/openbox/rc.xml /home/customer/.config/openbox
chown -R customer:customer /home/customer/.config /home/customer/.profile
echo ""
echo ""
echo ""
echo ""
echo "...done."
echo ""
echo ""
echo "This terminal will need to communicate with an OpenDRS server. If"
echo "you intend to host the server directly on this terminal, leave this"
echo -n "blank. Otherwise, enter the server URL :"
read server_url
if [[ $server_url == "" ]]
then
    conftype="Server/Terminal"
    ./server-setup.sh
else
    conftype="Terminal"
    sed -i 's,'DRS_SERVER=.*','DRS_SERVER="\"$server_url\""',' /etc/drs.conf
fi
echo ""
echo ""
./ap-setup.sh
if [ $? -ne 0 ]
then
	echo "If you would like to configure this terminal as an access point at some"
	echo "time in the future, log in, change directory to the"
	echo "extracted distribution's RPiSetup directory, and run:"
	echo "  sudo ./ap-setup.sh"
fi
echo ""
echo ""
echo "$conftype configuration is now complete. "
echo ""
echo ""
echo "It is highly recommended that after rebooting, you run ssh $current_login@$HOSTNAME"
echo "from another computer on the network, then create new users for"
echo "any other administrators using the cloneuser command"
echo "(cloneuser $current_login <new username>)."
echo ""
echo ""
echo "Terminal setup complete."
echo ""
echo "If you would like to use this terminal as a DRS server, after rebooting"
echo "and logging back in, change directory to the extracted distribution's"
echo "RPiSetup directory, and run:"
echo "  sudo ./server-setup.sh"
echo ""
echo ""
echo "A reboot is required to start using this terminal."
echo -n "Would you like to reboot now? [Y/n]: "
read rebootok
if [ "$rebootok" = "N" -o "$rebootok" = "n" ]
then
	exit 0
else
	reboot
fi