#!/bin/bash
# Rust
# Server Management Script
# Author: Daniel Gibbs
# Contributor: UltimateByte (LGSM adaptation), Wulf (Information)
# Website: https://gameservermanagers.com
if [ -f ".dev-debug" ]; then
	exec 5>dev-debug.log
	BASH_XTRACEFD="5"
	set -x
fi

version="150316"

#### Variables ####

# Notification Alerts
# (on|off)

# Email
emailalert="off"
email="email@example.com"

# Pushbullet 
# https://www.pushbullet.com/#settings
pushbulletalert"off"
pushbullettoken="accesstoken"

# Steam login (not required)
steamuser="anonymous"
steampass=""

# Server settings
# More settings available after install in serverfiles/server/rust-server/server.cfg
servername="Rust"
ip="0.0.0.0"
updateonstart="off"
port="28015"
rconport="28016" 
rconpassword="CHANGE_ME"
maxplayers="50"

# Advanced
seed="" #  default random; range : -2147483647 to 2147483647 ; used to change or reproduce a procedural map
worldsize="4000" # default 4000; range : 2000 to 8000 ; map size in meters
saveinterval="300" # Auto-save in seconds
tickrate="30" # default 30; range : 15 to 100

# https://developer.valvesoftware.com/wiki/Rust_Dedicated_Server
fn_parms(){
parms="-batchmode +server.ip ${ip} +server.port ${port} +server.tickrate ${tickrate} +server.hostname \"${servername}\" +server.identity \"${servicename}\" ${conditionalseed} +server.maxplayers ${maxplayers} +server.worldsize ${worldsize} +server.saveinterval ${saveinterval} +rcon.ip ${ip} +rcon.port ${rconport} +rcon.password \"${rconpassword}\" -logfile ${gamelogfile}"
}

# Specific to Rust
if [ -n "${seed}" ]; then
	# If set, then add to start parms
	conditionalseed="+server.seed ${seed}"
else
	# Keep randomness of the number if not set
	conditionalseed=""
fi

#### Advanced Variables ####

# Github Branch Select
# Allows for the use of different function files
# from a different repo and/or branch.
githubuser="dgibbs64"
githubrepo="linuxgsm"
githubbranch="master"

# Steam
appid="258550"

# Server Details
servicename="rust-server"
gamename="Rust"
engine="unity3d"

# Directories
rootdir="$(dirname $(readlink -f "${BASH_SOURCE[0]}"))"
selfname=$(basename $(readlink -f "${BASH_SOURCE[0]}"))
lockselfname=".${servicename}.lock"
lgsmdir="${rootdir}/lgsm"
functionsdir="${lgsmdir}/functions"
filesdir="${rootdir}/serverfiles"
systemdir="${filesdir}"
executabledir="${filesdir}"
executable="./RustDedicated"
serveridentitydir="${systemdir}/server/${servicename}"
servercfg="server.cfg"
servercfgdir="${serveridentitydir}/cfg"
servercfgfullpath="${servercfgdir}/${servercfg}"
servercfgdefault="${servercfgdir}/lgsm-default.cfg"
backupdir="${rootdir}/backups"

# Logging
logdays="7"
gamelogdir="${rootdir}/log/server"
scriptlogdir="${rootdir}/log/script"
consolelogdir="${rootdir}/log/console"
consolelogging="on"

gamelog="${gamelogdir}/${servicename}-game.log"
scriptlog="${scriptlogdir}/${servicename}-script.log"
consolelog="${consolelogdir}/${servicename}-console.log"
emaillog="${scriptlogdir}/${servicename}-email.log"
gamelogfile="\"gamelog-$(date '+%Y-%m-%d-%H-%M-%S').log\""

scriptlogdate="${scriptlogdir}/${servicename}-script-$(date '+%d-%m-%Y-%H-%M-%S').log"
consolelogdate="${consolelogdir}/${servicename}-console-$(date '+%d-%m-%Y-%H-%M-%S').log"

##### Script #####
# Do not edit

# Fetches core_dl for file downloads
fn_fetch_core_dl(){
github_file_url_dir="lgsm/functions"
github_file_url_name="${functionfile}"
filedir="${functionsdir}"
filename="${github_file_url_name}"
githuburl="https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/${github_file_url_dir}/${github_file_url_name}"
# If the file is missing, then download
if [ ! -f "${filedir}/${filename}" ]; then
	if [ ! -d "${filedir}" ]; then
		mkdir -p "${filedir}"
	fi
	echo -e "    fetching ${filename}...\c"
	# Check curl exists and use available path
	curlpaths="$(command -v curl 2>/dev/null) $(which curl >/dev/null 2>&1) /usr/bin/curl /bin/curl /usr/sbin/curl /sbin/curl)"
	for curlcmd in ${curlpaths}
	do
		if [ -x "${curlcmd}" ]; then
			break
		fi
	done
	# If curl exists download file
	if [ "$(basename ${curlcmd})" == "curl" ]; then
		curlfetch=$(${curlcmd} -s --fail -o "${filedir}/${filename}" "${githuburl}" 2>&1)
		if [ $? -ne 0 ]; then
			echo -e "\e[0;31mFAIL\e[0m\n"
			echo "${curlfetch}"
			echo -e "${githuburl}\n"
			exit 1
		else
			echo -e "\e[0;32mOK\e[0m"
		fi		
	else
		echo -e "\e[0;31mFAIL\e[0m\n"
		echo "Curl is not installed!"
		echo -e ""
		exit 1
	fi
	chmod +x "${filedir}/${filename}"
fi
source "${filedir}/${filename}"
}

core_dl.sh(){
# Functions are defined in core_functions.sh.
functionfile="${FUNCNAME}"
fn_fetch_core_dl
}

core_functions.sh(){
# Functions are defined in core_functions.sh.
functionfile="${FUNCNAME}"
fn_fetch_core_dl
}

core_dl.sh
core_functions.sh

getopt=$1
core_getopt.sh