#!/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 [ "$tcaddress" != none ]; 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
}

Clean () {
	pushd reflector
	make clean
	popd
	pushd ../tcd
	make clean
	popd
}

Compile () {
	local np
	np=`getconf _NPROCESSORS_ONLN`
	pushd reflector
	make -j$np || read -p "<Enter to continue: " ans
	popd
	if [[ "$tcaddress" != none ]]; then
		pushd ../tcd
		make -j$np || read -p "<Enter to continue: " ans
		popd
	fi
}

# Execution starts here!

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

# default values, we only need a few
tcaddress='none'

if [[ $# -eq 1 ]]; then
	if [ -e $1 ]; then
		echo $1 found
		callsign=$(awk '$1 == "Callsign"{print $3}' $1)
		tcaddress=$(awk '$1 == "Transcoder"{print $3}' $1)
	else
		echo "$1 not found"
		exit 1
	fi
else
	echo "Usage: ./radmin inifilename"
	exit 1
fi
key='x'
# main loop
while [[ "$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 #230221"
	echo
	git status | head -1
	echo
	echo "ls : List the configuration file"
	echo "cl : Clean (remove) compiled objects and executables"
	echo "gp : Pull the latest software from the repo"
	echo "br : Change git branch to <value>"
	echo "co : Compile the system executable(s)"
	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 [[ "$tcaddress" == none ]]; then
					echo "is : Install URF reflector without transcoder"
				else
					if [ -e ../tcd/tcd ]; then
						echo "is : Install URF reflector and transcoder"
					fi
				fi
			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   [[ "$key" == ls* ]]; then
		cat reflector.cfg;
		echo
		read -p "<Enter> to return to main menu: " ans
	elif [[ "$key" == us* ]]; then
		if   [ -e $urfserv ]; then
			UninstallReflector
		fi
	elif [[ "$key" == is* ]]; then
		if [ -e reflector/urfd ] && [ ! -e $urfserv ]; then
			InstallReflector
		fi
	elif [[ "$key" == gp* ]]; then
		echo
		git pull
		echo
		read -p "<Enter> to continue: " ans
		pushd ../tcd
		git pull
		echo
		read -p "<Enter> to continue: " ans
		popd
	elif [[ "$key" == br* ]]; then
		echo
		git checkout "$value"
		echo
		read -p "<Enter> to continue: " ans
		pushd ../tcd
		git checkout "$value"
		echo
		read -p "<Enter> to continue: " ans
		popd
	elif [[ "$key" == rr* ]]; then
		if   [ -e $urfserv ]; then
			sudo systemctl restart urfd
		fi
	elif [[ "$key" == tr* ]] && [ -e $tcdserv ]; then sudo systemctl restart tcd
	elif [[ "$key" == cl* ]]; then Clean
	elif [[ "$key" == co* ]]; then Compile
	elif [[ "$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