#!/bin/bash
#
# Copyright (c) 2021 by Thomas A. Early N7TAE
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

trap ControlC INT

ControlC () {
	echo "caught SIGINT"
}

UninstallReflector () {
	if [ -e $urfserv ]; then
		pushd reflector
		sudo make uninstall
		popd
	fi
	if [ -e $tcdserv ]; then
		pushd ../tcd
		sudo make uninstall
		popd
	fi
}

InstallReflector () {
	if [ "$tcport" != 0 ]; then
		pushd ../tcd
		sudo make install || read -p "<Enter> to continue: " ans
		popd
	fi
	pushd reflector
	if [ ! -e urfd.whitelist ]; then
		cp ../config/urfd.whitelist .
	fi
	if [ ! -e urfd.blacklist ]; then
		cp ../config/urfd.blacklist .
	fi
	if [ ! -e urfd.interlink ]; then
		cp ../config/urfd.interlink .
	fi
	if [ ! -e urfd.terminal ]; then
		cp ../config/urfd.terminal .
	fi
	sudo make install || read -p "<Enter> to continue: " ans
	popd
}

# Execution starts here!

# service file locations
urfserv='/etc/systemd/system/urfd.service'
tcdserv='/etc/systemd/system/tcd.service'

if [[ $# -eq 1 ]]; then
	if [ -e $1 ]; then
		echo $1 found
		callsign=$(awk '$1 == "Callsign"{print $3; exit}' $1)
		tcport=$(awk '$1 == "Port"{print $3; exit}' $1)
	else
		echo "$1 not found"
		exit 1
	fi
else
	if [[ -e reflector/urfd.ini ]]; then
		callsign=$(awk '$1 == "Callsign"{print $3; exit}' reflector/urfd.ini)
		tcport=$(awk '$1 == "Port"{print $3; exit}' reflector/urfd.ini)
	else
		echo "ERROR: could not find reflector/urfd.ini! You'll have to specify it."
		echo "Usage: ./radmin PATH-TO-INI-FILE"
		exit 1
	fi
fi
key='x'
# main loop
while [[ "$key" != q* ]]
do
	clear
	pcount=$(ps -aux | grep -e urfd -e tcd | wc -l)
	if [ "$pcount" -gt 1 ]; then
		echo
		ps -aux | head -1
		ps -aux | grep -e urfd -e tcd | grep -v grep | grep -v radmin
	fi
	echo
	echo "        Reflector Administration, Version #240808"
	echo
	git status | head -1
	echo
	if [ -e $urfserv ]; then
		if [ -e $urfserv ]; then
			echo "us : Uninstall the URF reflector"
			echo "rl : Reflector log"
			if [ -e $tcdserv ]; then
				echo "tl : Transcoder log"
			fi
		fi
		echo "rr : Reflector restart"
		if [ -e $tcdserv ]; then
			echo "tr : Transcoder restart"
		fi
	else
		if [[ "$callsign" == URF* ]]; then
			if [ -e reflector/urfd ]; then
				if [[ "$tcport" == 0 ]]; then
					echo "is : Install URF reflector without transcoder"
				else
					if [ -e ../tcd/tcd ]; then
						echo "is : Install URF reflector and transcoder"
					else
						echo "HELP! Transcoder port is set, but tcd executable not found!"
					fi
				fi
			else
				echo "HELP! urfd executable not found!"
			fi
		fi
	fi
	echo
	echo    "q  : Quit"
	echo
	read -p "Please input <key> <value> - omit value to toggle a true/false : " key value garbage

	if   [[ "$key" == us* ]]; then
		if   [ -e $urfserv ]; then
			UninstallReflector
		fi
	elif [[ "$key" == is* ]]; then
		if [ -e reflector/urfd ] && [ ! -e $urfserv ]; then
			InstallReflector
		fi
	elif [[ "$key" == rr* ]] && [ -e $urfserv ]; then sudo systemctl restart urfd
	elif [[ "$key" == tr* ]] && [ -e $tcdserv ]; then sudo systemctl restart tcd
	elif [[ "$key" == tl* ]] && [ -e $tcdserv ]; then sudo journalctl -u tcd -f
	elif [[ "$key" == rl* ]] && [ -e $urfserv ]; then sudo journalctl -u urfd -f
	fi
done
exit 0