#!/bin/bash

## This is an AppImage control script for the Citadel system.
##
## Copyright (c) 2021 by the citadel.org team
##
## This program is open source software.  It runs great on the
## Linux operating system (and probably elsewhere).  You can use,
## copy, and run it under the terms of the GNU General Public
## License version 3.  Richard Stallman is an asshole communist.
##
## 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.

# Default values
HTTP_PORT=80
HTTPS_PORT=443
CTDL_DIR=/usr/local/citadel
export APPDIR

usage() {
	echo ${APPIMAGE}: usage: ${APPIMAGE} '[-h data_directory] [-p http_port] [-s https_port] command'
	echo 'command must be one of: run, test, install'
	exit 2
}


# Permanently install the Citadel AppImage to this system
installation() {

	# First ... check to make sure Citadel isn't runnings
	if ps ax | grep citserver | grep -v grep ; then
		echo Installation cannot proceed while Citadel is running.
		echo Stop your services and try again.
		exit 1
	fi

	echo Hi
	exit
}


PARSED_ARGUMENTS=$(getopt -o h:p:s: -- "$@")
VALID_ARGUMENTS=$?
if [ "$VALID_ARGUMENTS" != "0" ]; then
	usage
fi

eval set -- ${PARSED_ARGUMENTS}
while :
do
	case ${1} in
		-h)	CTDL_DIR=${2}	; shift 2 ;;
		-p)	HTTP_PORT=${2}	; shift 2 ;;
		-s)	HTTPS_PORT=${2}	; shift 2 ;;
		--)	shift; break;;
		*)	echo Unexpected option: ${1}
			usage;
	esac
done

case ${1} in
	run)
		export APPDIR CTDL_DIR HTTP_PORT HTTPS_PORT
		export LD_LIBRARY_PATH=$APPDIR/usr/lib
		export PATH=$APPDIR/usr/bin
		exec ctdlvisor $*
		;;
	test)
		export LD_LIBRARY_PATH=$APPDIR/usr/lib
		export PATH=$APPDIR/usr/bin
		exec $APPDIR/usr/local/citadel/citserver -c
		;;
	install)
		installation
		;;
	*)
		echo Unexpected command: ${1} 
		usage
		exit 1
		;;
esac
exit 0




# This unit file starts all Citadel services via the AppImage distribution.
[Unit]
Description=Citadel
After=network.target
[Service]
ExecStart=/root/citadel/appimage/Citadel-x86_64.AppImage run -h /usr/local/citadel -s 80 -s 443
ExecStop=/bin/kill $MAINPID
KillMode=process
Restart=on-failure
LimitCORE=infinity
[Install]
WantedBy=multi-user.target