#!/bin/bash
# Copyright (c) 2018 fithwum
# All rights reserved

# Variables.
echo " "
echo "Checking for new server version from Teamspeak."
wget --no-cache https://www.teamspeak.com/versions/server.json -O /ts3temp/server.json
TS_VERSION_CHECK=$(cat /ts3temp/server.json | grep version | head -1 | awk -F: '{print $4}' | sed 's/[",]//g' | sed "s/checksum//g")
TS_VERSION=${TS_VERSION_CHECK}
CHANGELOG=/ts3server/CHANGELOG_${TS_VERSION}
echo "Latest server version from Teamspeak:$TS_VERSION"

# Main install (alpine).
# Check for files in /ts3server and download/create if needed.
if [ -e "${CHANGELOG}" ]
	then
		echo "INFO ! Teamspeak server is ${TS_VERSION} ... checking that needed files exist before running current server."
		rm -fr /ts3temp/server.json
	else
		echo " "
		echo "WARNING ! Teamspeak server is out of date ... will download the updated server from teamspeak."
			echo " "
			echo "INFO ! Cleaning outdated Teamspeak server files and downloading server update."
			rm -f /ts3server/CHANGELOG* /ts3server/lib* /ts3server/ts3server
			rm -fr /ts3server/doc /ts3server/redist /ts3server/serverquerydocs /ts3server/tsdns
			wget --no-cache https://files.teamspeak-services.com/releases/server/${TS_VERSION}/teamspeak3-server_linux_alpine-${TS_VERSION}.tar.bz2 -O /ts3temp/ts3server_${TS_VERSION}.tar.bz2
			tar -xf /ts3temp/ts3server_${TS_VERSION}.tar.bz2 -C /ts3temp/serverfiles --strip-components=1
			sleep 1
			rm -fr /ts3temp/serverfiles/ts3server_startscript.sh
			rm -fr /ts3temp/ts3server_${TS_VERSION}.tar.bz2
			cp -uR /ts3temp/serverfiles/. /ts3server/
			sleep 1
			mv /ts3server/redist/libmariadb.so.2 /ts3server/libmariadb.so.2
			mv /ts3server/CHANGELOG ${CHANGELOG}
			rm -fr /ts3temp/serverfiles/*
			rm -fr /ts3temp/server.json
fi

# Check if the ini/sh files exist in /ts3server and download/create if needed.
if [ -e /ts3server/ts3server_minimal_runscript.sh ]
	then
		echo "INFO ! ts3server_minimal_runscript.sh found ... will not download."
	else
		echo " "
		echo "WARNING ! ts3server_minimal_runscript.sh not found ... will download now."
			wget --no-cache https://raw.githubusercontent.com/fithwum/teamspeak-server/master/files/ts3server_minimal_runscript.sh -O /ts3temp/inifiles/ts3server_minimal_runscript.sh
			cp /ts3temp/inifiles/ts3server_minimal_runscript.sh /ts3server/
			rm -fr /ts3temp/ts3server_minimal_runscript.sh
fi
if [ -e /ts3server/ts3db_mariadb.ini ]
	then
		echo "INFO ! ts3db_mariadb.ini found ... will not download."
	else
		echo " "
		echo "WARNING ! ts3db_mariadb.ini not found ... will download now."
			wget --no-cache https://raw.githubusercontent.com/fithwum/teamspeak-server/master/files/ts3db_mariadb.ini -O /ts3temp/inifiles/ts3db_mariadb.ini
			cp /ts3temp/inifiles/ts3db_mariadb.ini /ts3server/
			rm -fr /ts3temp/inifiles/ts3db_mariadb.ini
fi
if [ -e /ts3server/ts3server.ini ]
	then
		echo "INFO ! ts3server.ini found ... will not download."
	else
		echo " "
		echo "WARNING ! ts3server.ini not found ... will download now."
			wget --no-cache https://raw.githubusercontent.com/fithwum/teamspeak-server/master/files/ts3server.ini -O /ts3temp/inifiles/ts3server.ini
			cp /ts3temp/inifiles/ts3server.ini /ts3server/
			rm -fr /ts3temp/inifiles/ts3server.ini
fi
if [ -e /ts3server/.ts3server_license_accepted ]
	then
		echo "INFO ! .ts3server_license_accepted found ... will not download."
	else
		echo " "
		echo "WARNING ! .ts3server_license_accepted not found ... will download now."
			wget --no-cache https://raw.githubusercontent.com/fithwum/teamspeak-server/master/files/.ts3server_license_accepted -O /ts3temp/.ts3server_license_accepted
			cp /ts3temp/.ts3server_license_accepted /ts3server/
			rm -fr /ts3temp/.ts3server_license_accepted
fi

sleep 1

# Set permissions.
chown 99:100 -R /ts3server
chmod 776 -R /ts3server
chmod +x /ts3server/ts3server_minimal_runscript.sh
chmod +x /ts3server/ts3server

# Run.
echo " "
echo "INFO ! Starting Teanspeak server ${TS_VERSION}"
exec /ts3server/ts3server_minimal_runscript.sh inifile=ts3server.ini

exit