#!/usr/bin/env bash

logfile=/opt/luanti/log/debug.log
player_re="([a-zA-Z0-9\s]+ (digs|places|leaves)|[a-zA-Z0-9]+ \[[0-9\.]+\] joins) "
left=""
old_data="old"
plays_re="(digs|places|joins)"
leaves_re="leaves"

declare -A players

while true
do
	data=$(tail -n500 "$logfile" | grep -o -E "$player_re")
	if [ "$data" != "$old_data" ]; then
		data=$(echo $data | sed -e 's/\[[0-9\.]*\]//g')
		flip=0
		for i in $data; do
			if [ $flip = 0 ]; then
				player="$i"
				flip=1
			else
				status="$i"
				play=$(echo "$status" | grep -o -E "$plays_re")
				left=$(echo "$status" | grep -o -E "$leaves_re")
				if [ ! "$play" = "" ]; then
					players[$player]=P
				elif [ ! "$left" = "" ]; then
					players[$player]=L
				fi
				flip=0
			fi

		done
		#old_data=$data
	fi
	output="{\"players\":["
	c=""
	for key in "${!players[@]}"; do
		output="$output$c{\"player\":\"$key\",\"status\":\"${players[$key]}\"}"
		if [ "$c" = "" ]; then
			c=","
		fi
	done
	output="$output],\"updated\":\"$(date)\"}"
	echo $output | jq > players.json
	sleep 15
done