start_tem.sh

#!/usr/bin/env bash
shopt -s extglob # used for trailing slashes globbing
echo "========================"
echo "|| Teeworlds Econ Mod ||"
echo "|| by ChillerDragon   ||"
echo "========================"

function log() {
	echo "[TEM] $1"
}

function err() {
	echo "[TEM:ERROR] $1"
}

# check dependencys
command -v expect >/dev/null 2>&1 || {
	echo >&2 "Error: expect is not found please install it!";
	if [ "$(uname)" == "Darwin" ]; then
		echo >&2 "MacOS: brew install expect";
	elif [ -x "$(command -v apt)" ]; then
		echo >&2 "Debian/Ubuntu: sudo apt install expect";
	fi
	exit 1;
}
command -v nc >/dev/null 2>&1 || {
	echo >&2 "Error: netcat is not found please install it!";
	if [ "$(uname)" == "Darwin" ]; then
		echo >&2 "MacOS: brew install netcat";
	elif [ -x "$(command -v apt)" ]; then
		echo >&2 "Debian/Ubuntu: sudo apt install netcat";
	fi
	exit 1;
}

# shellcheck disable=1091
[ -f venv/bin/activate ] && source ./venv/bin/activate

# init variables
settings_file="tem.settings"
aSettStr=();aSettVal=()
aSettStr+=("sh_tw_path");aSettVal+=("/path/to/your/teeworlds/directory")
aSettStr+=("sh_tw_binary");aSettVal+=("name_of_teeworlds_srv")
aSettStr+=("sh_econ_password");aSettVal+=("password")
aSettStr+=("sh_econ_port");aSettVal+=("8203")
aSettStr+=("sh_logs_path");aSettVal+=("/path/to/log/directory")
aSettStr+=("sh_tw_cfg_file");aSettVal+=("")
aSettStr+=("sh_tw_version");aSettVal+=("6")
aSettStr+=("sh_discord_token_verbose");aSettVal+=("")
aSettStr+=("sh_econ_addr");aSettVal+=("localhost")

if [ $# -gt 0 ]; then
	log "settings file=$1"
	settings_file=$1
fi

function check_path() {
    local path=$1
    local warning=$2
    local create=$3
    if [ -d "$path" ]
    then
        return # path found nothing todo
    fi
    if [ -d "$HOME/.teeworlds/dumps/$path" ]
    then
        # https://github.com/teeworlds/teeworlds/commit/c705f048f3f62e0ed92686e19763a61309125d98
        # new logger system
        # should also support other storage.cfg locations
        # not too sure about how that actually should be supported
        # only logs are under dumps/ so hardcoding dumps/ is not good
        # TODO: improve this
        log "Warning: using path $HOME/.teeworlds/dumps/$path"
        return
    fi
    log "$warning"
    log "should be at: $path"
    if [ "$create" != "0" ]
    then
        read -p "Do you want to create the path? [y/N]" -n 1 -r
        echo
        if [[ $REPLY =~ ^[Yy]$ ]]
        then
            mkdir -p "$path"
            log "created folder at: $path"
            return
        fi
    fi
    log "PathError: please provide a valid path."
    exit 1
}

function create_settings() {
	if [ -f "$settings_file" ];
	then
		return
	fi
	local i
	log "FileError: '$settings_file' not found"
	read -p "Do you want to create one? [y/N]" -n 1 -r
	echo 
	if [[ $REPLY =~ ^[Yy]$ ]]
	then
		{
			echo "# TeeworldsEconMod (TEM) by ChillerDragon"
			echo "# https://github.com/chillavanilla/TeeworldsEconMod"
			for i in "${!aSettStr[@]}"
			do
				echo "${aSettStr[$i]}=${aSettVal[$i]}"
			done
		} > "$settings_file"
		if [ -z "$EDITOR" ]
		then
			nano "$settings_file"
		else
			$EDITOR "$settings_file"
		fi
	fi
	exit 1
}

function parse_settings_line() {
	local sett=$1
        local val=$2
        local i
        for i in "${!aSettStr[@]}"
        do
            if  [ "$sett" == "${aSettStr[$i]}" ]
            then
                printf "[TEM:setting] (%s)%-16s=  %s\\n" "$i" "${sett:3}" "$val"
                if [[ "${aSettStr[$i]}" =~ path ]]
                then
                    val="${val%%+(/)}" # strip trailing slash
                fi
                aSettVal[$i]="$val"
                return
            fi
        done
        log "SettingsError: unkown setting $sett"
        exit 1
}

function read_settings_file() {
	local i
	while read -r line
	do
		if [ "${line:0:1}" == "#" ]
		then
			continue # ignore comments
		elif [ "${line:0:3}" == "py_" ]
		then
			continue # ignore python settings
		elif [ -z "$line" ]
		then
			continue # ignore empty lines
		fi
		line_set=""
		line_val=""
		IFS='=' read -ra split_line <<< "$line"
		for i in "${!split_line[@]}"
		do
			# split by '=' and then join all the elements bigger than 0
			# thus we allow using '=' inside the value
			if [ "$i" == "0" ]
			then
				line_set="${split_line[$i]}"
			else
				if [ "$i" -gt "1" ]
				then
					line_val+="="
				fi
				line_val+="${split_line[$i]}"
			fi
		done
		if [ "${line: -1}" == "=" ] && [ "$(echo "$line" | grep -o "=" | wc -l)" -gt "1" ]
		then
			line_val+="="
		fi
		# echo "config: $line_set value: $line_val"
		parse_settings_line "$line_set" "$line_val"
	done < "$settings_file"
}

create_settings # create fresh if null
aSettVal[6]="" # overwrite defualt used for sample config by create_settings()
econ_mod_path="$(pwd)"
log "saved current path=$econ_mod_path"
log "loading settings.."
read_settings_file

# Settings:
# - teeworlds path  0
# - binary          1
# - econ_password   2
# - econ_port       3
# - logs path       4
# - cfg path        5
# - tw version      6
# - discord token   7 ( NOT USED BY THIS SCRIPT ONLY BY tools/discord_bot.sh )
# - econ_addr       8

twsettings=""

check_path "${aSettVal[0]}" "The teeworlds path is invalid" "0" # 0=dont create on fail
check_path "${aSettVal[0]}/stats" "No stats/ folder found in your teeworlds directory" "1" # 1=create on fail
if [ "${aSettVal[4]}" ]
then
	check_path "${aSettVal[4]}" "The logpath is invalid" "1" # 1=create on fail
	log "adding log path: ${aSettVal[4]}"
	extension=".log"
	if [ "${aSettVal[6]}" == "7" ] || [ "${aSettVal[6]}" == "0.7" ]
	then
		# 0.7 appends .txt anyways
		extension=""
	fi
	twsettings="logfile ${aSettVal[4]}/${aSettVal[1]##*/}_$(date +%F_%H-%M-%S)$extension;"
fi

log "navigate to teeworlds path=${aSettVal[0]}"
cd "${aSettVal[0]}" || { err "invalid path '${aSettVal[0]}'"; exit 1; }

tw_settings_file=""
if [ "${aSettVal[5]}" ]
then
	# TODO: properly check all storage.cfg paths
	if [ ! -f "${aSettVal[5]}" ] && [ ! -f ~/.teeworlds/"${aSettVal[5]}" ]
	then
		log "Invalid config file '${aSettVal[5]}'"
		exit 1
	fi
	log "settings path: ${aSettVal[5]}"
	tw_settings_file="-f ${aSettVal[5]}"
fi

nc_os="nc"

if [ "$(uname)" == "Darwin" ]; then
	nc_os="nc_macOS"
	log "detected macOS"
elif [ "$(uname -s)" == "Linux" ]; then
	log "detected Linux"
elif [ "$(uname -s)" == "MINGW32_NT" ]; then
	log "warning MINGW support isnt guaranteed"
elif [ "$(uname -s)" == "MINGW64_NT" ]; then
	log "warning MINGW support isnt guaranteed"
fi

log "run server | pipe into main.py | pipe into netcat connection: "
log "executing: ./${aSettVal[1]} \"$twsettings\" $tw_settings_file | cd $econ_mod_path;./src/main.py --settings=$settings_file | ./bin/$nc_os.exp ${aSettVal[8]} ${aSettVal[2]} ${aSettVal[3]} settings=$settings_file"
(./${aSettVal[1]} "$twsettings" $tw_settings_file) | (cd $econ_mod_path;./src/main.py --settings=$settings_file) | (cd $econ_mod_path;./bin/$nc_os.exp ${aSettVal[8]} ${aSettVal[2]} ${aSettVal[3]} settings=$settings_file)