#!/bin/bash -x


# This script configures converted Lenovo N42 ChromeBooks loaded with Linux Mint XFCE.


function configureMachine() {

	# Update everything.
	sudo apt-get -y update
	sudo apt-get -y upgrade
	sudo apt-get -y dist-upgrade
	sudo apt-get -y autoremove
	
	# Tools for us.
	sudo apt-get -y install mc joe openssh-server byobu

	# Tools for this script.
	sudo apt-get -y install shc git build-essential
	
	# Remove unnwanted software.
	sudo apt-get -y purge evolution-data-server

	# Disable screensaver/blanking/dimming.
	xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-enabled -t bool -s false --create
	xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/blank-on-ac -t int -s 0 --create
	xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/brightness-on-ac -t int -s 9 --create
	xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/brightness-level-on-ac -t int -s 100 --create
	
	# Change clock format.
	plugin_name="$( xfconf-query -c xfce4-panel -p /plugins -lv | grep -E '/plugins/plugin-[0-9]+.*clock' | cut -d" " -f '1-1' )"
	xfconf-query -c xfce4-panel -p ${plugin_name}/digital-time-format -t string -s '%l:%M:%S %P' --create
	xfconf-query -c xfce4-panel -p ${plugin_name}/digital-date-format -t string -s '%b %d, %Y' --create

	# Disable unneeded desktop services.
	mkdir -p /home/${USER}/.config/autostart
	declare -a disable=("light-locker" "mintreport" "mintupdate" "mintwelcome" "nvidia-prime" "sticky" "warpinator-autostart")
	for i in "${disable[@]}"; do
		echo -e "[Desktop Entry]\nHidden=True\n" > /home/${USER}/.config/autostart/${i}.desktop
	done
	
	# Install Moonlight.
	sudo flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
	sudo flatpak install -y flathub com.moonlight_stream.Moonlight
	echo -e '#!/bin/bash\nflatpak run com.moonlight_stream.Moonlight\n' > /home/${USER}/moonlight.sh
	chmod +x /home/${USER}/moonlight.sh
	
	# Configure Moonlight.
	flatpak run com.moonlight_stream.Moonlight quit   # This generates the ~/.var/ structure for the config.
	wget https://forge.duensing.digital/Duensing_Digital/chromebook-linux/raw/branch/master/Moonlight.conf
	mv Moonlight.conf "/home/${USER}/.var/app/com.moonlight_stream.Moonlight/config/Moonlight Game Streaming Project/."

	# Add icon to desktop
	cat <<- ICON > /home/${USER}/Desktop/Moonlight.desktop
		[Desktop Entry]
		Version=1.0
		Type=Application
		Name=Moonlight
		Comment=Game Streaming Client
		Exec=/home/${USER}/moonlight.sh
		Icon=network-idle
		Path=/home/${USER}
		Terminal=false
		StartupNotify=false
	ICON
	chmod +x "/home/${USER}/Desktop/Moonlight.desktop"
	gio set -t string "/home/${USER}/Desktop/Moonlight.desktop" metadata::xfce-exe-checksum "$(sha256sum "/home/${USER}/Desktop/Moonlight.desktop" | awk '{print $1}')"

	# Make Moonlight run on startup.
	#ln -s /home/${USER}/Desktop/Moonlight.desktop /home/${USER}/.config/autostart/.
	
	# Create auto-update scripts.  ***TODO*** This should probably do the root updates first.
	cat <<- UPDATE > /home/${USER}/unsafe-update.sh
		#!/bin/bash
		###
		### THIS IS TOTALLY NOT A SECURE WAY TO UPDATE ANYTHING! ###
		###
		echo "Waiting for network."
		while [ "\$(hostname -I)" = "" ]; do
			sleep 1
		done
		if [[ "\${1}x" == "rootx" ]]; then
			if [[ -f unsafe-update-payload.sh ]]; then
				source unsafe-update-payload.sh
				unsafeUpdateRoot 2>&1 | tee -a /home/\${USER}/unsafe-update.log
			fi			
		else
			if [[ -f unsafe-update-payload.sh ]]; then
				rm -f unsafe-update-payload.sh
			fi
			wget https://forge.duensing.digital/Duensing_Digital/chromebook-linux/raw/branch/master/unsafe-update-payload.sh 2>&1 | tee /home/\${USER}/unsafe-update.log
			if [[ -f unsafe-update-payload.sh ]]; then
				source unsafe-update-payload.sh
				unsafeUpdate 2>&1 | tee -a /home/\${USER}/unsafe-update.log
			fi
			./unsafe-update-root.sh.x root
		fi
	UPDATE
	chmod +x /home/${USER}/unsafe-update.sh
	# Compile root update script so it can be suid.
	shc -S -f /home/${USER}/unsafe-update.sh
	mv -f /home/${USER}/unsafe-update.sh.x /home/${USER}/unsafe-update-root.sh.x
	sudo chown root:root /home/${USER}/unsafe-update-root.sh.x
	sudo chmod u+s /home/${USER}/unsafe-update-root.sh.x
	sudo chmod a-w /home/${USER}/unsafe-update.sh /home/${USER}/unsafe-update-root.sh.x
	rm /home/${USER}/unsafe-update.sh.x.c

	# Add auto update icon to autostart.
	cat <<- ICON > /home/${USER}/.config/autostart/AutoUpdate.desktop
		[Desktop Entry]
		Version=1.0
		Type=Application
		Name=Auto Update
		Comment=Duensing Digital Client Auto Update
		Exec=/home/${USER}/unsafe-update.sh
		Icon=mintupdate-type-backport
		Path=/home/${USER}
		Terminal=true
		StartupNotify=false
	ICON

	# Install keyboard remapper.
	if [[ ! -d /home/${USER}/chromebook-linux ]]; then
		git clone https://forge.duensing.digital/Duensing_Digital/chromebook-linux.git /home/${USER}/chromebook-linux
	fi
	cd /home/${USER}/chromebook-linux
	./install-keyboard-map.sh
	
	# Reboot!
	sudo reboot
}


if [[ ${EUID} -eq 0 ]]; then
	echo "${0} must NOT be run as root."
	exit 1
fi

# All the config is in a function so we can stream this script from forge.duensing.digital.
configureMachine 2>&1 | tee /home/${USER}/install.log