#!/usr/bin/env bash

# Install windows in KVM
# Use the user "User"
# Name the machine "RDPWindows" in "About"
# Allow remote desktop
#
# virsh autostart RDPWindows
#  For 20.04:
# sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

# Windows Registry Editor Version 5.00

#     [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\TSAppAllowList]
#     "fDisabledAllowList"=dword:00000001

#     [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
#     "LimitBlankPasswordUse"=dword:00000000

DIR="$(dirname "$(readlink -f "$0")")"

if [ -f /tmp/winapps ]; then
	LAST_RAN=$(stat -t -c %Y /tmp/winapps)
	touch /tmp/winapps
	THIS_RUN=$(stat -t -c %Y /tmp/winapps)
	if (( $THIS_RUN - $LAST_RAN < 2 )); then
		exit
	fi
else
	touch /tmp/winapps
fi

if [ -z "$(which xfreerdp)" ]; then
	echo "You need xfreerdp!"
	echo "  sudo apt-get install -y freerdp2-x11"
	exit
fi

if [ ! -f "${HOME}/.config/winapps/winapps.conf" ] && [ ! -f "${HOME}/.winapps" ]; then
	echo "You need to create a ~/.config/winapps/winapps.conf configuration. Exiting..."
	exit
fi

if [ -f "${HOME}/.config/winapps/winapps.conf" ]; then
	. "${HOME}/.config/winapps/winapps.conf"
else
	. "${HOME}/.winapps"
fi

if [ -z "${RDP_IP}" ]; then
	if [ -z "$(groups |grep libvirt)" ]; then
		echo "You are not a member of the libvirt group. Run the below then reboot."
		echo '  sudo usermod -a -G libvirt $(whoami)'
		echo '  sudo usermod -a -G kvm $(whoami)'
		exit
	fi
	if [ -z "$(virsh list |grep RDPWindows)" ]; then
		echo "RDPWindows is not running, run:"
		echo "  virsh start RDPWindows"
		exit
	fi
	RDP_IP=$(virsh net-dhcp-leases default |grep RDPWindows |awk '{print $5}')
	RDP_IP=${RDP_IP%%\/*}
fi

if [ "${1}" = "windows" ]; then
	xfreerdp /u:"${RDP_USER}" /p:"${RDP_PASS}" /v:${RDP_IP} /dynamic-resolution +auto-reconnect +home-drive /wm-class:"Microsoft Windows" 1> /dev/null 2>&1 &
elif [ "${1}" != "install" ]; then
	. "${DIR}/../apps/${1}/info"
	if [ -n "${2}" ]; then
		FILE=$(echo "${2}" | sed 's|'"${HOME}"'|\\\\tsclient\\home|;s|/|\\|g;s|\\|\\\\|g')
		xfreerdp /u:"${RDP_USER}" /p:"${RDP_PASS}" /v:${RDP_IP} +auto-reconnect +home-drive -wallpaper /span /wm-class:"${FULL_NAME}" /app:"${WIN_EXECUTABLE}" /app-icon:"${DIR}/../apps/${1}/icon.svg" /app-cmd:"\"${FILE}\"" 1> /dev/null 2>&1 &
	else
		xfreerdp /u:"${RDP_USER}" /p:"${RDP_PASS}" /v:${RDP_IP} +auto-reconnect +home-drive -wallpaper /span /wm-class:"${FULL_NAME}" /app:"${WIN_EXECUTABLE}" /app-icon:"${DIR}/../apps/${1}/icon.svg" 1> /dev/null 2>&1 &
	fi
fi