#!/bin/bash
# Copyright (c) 2022 fithwum
# All rights reserved

MC_DIR=/MCserver

# Main Install Links
INSTALLER_FILE=https://maven.neoforged.net/releases/net/neoforged/neoforge/$NEOFORGED_VERSION-beta/neoforge-$NEOFORGED_VERSION-beta-installer.jar
SERVER_FILE=https://github.com/neoforged/ServerStarterJar/releases/download/$SERVER_VERSION/server.jar
MC_RUN_FILE=https://gitea.fithwum.tech/fithwum/minecraft/raw/branch/master/neoforged/run.sh

# Main install (Debian).
# Check for server files and download if needed.
if [ -e $MC_DIR/neoforge-$NEOFORGED_VERSION-beta-installer.jar ]
	then
		echo " "
		echo "INFO ! neoforge-$NEOFORGED_VERSION-beta-installer.jar found starting now."
	else
		echo " "
		echo "WARNING ! neoforge-$NEOFORGED_VERSION-beta-installer.jar is out of date/missing ... will download now."
		echo " "
		echo "INFO ! Cleaning old files."
		cd $MC_DIR
		rm -fr neoforge-*.jar run-*.sh
		wget --no-cache --show-progress --progress=bar:force:noscroll $INSTALLER_FILE -O neoforge-$NEOFORGED_VERSION-beta-installer.jar
		chmod +x neoforge-$NEOFORGED_VERSION-beta-installer.jar
		java -jar neoforge-$NEOFORGED_VERSION-beta-installer.jar --installServer
		mv run.sh run-$NEOFORGED_VERSION.sh
		chmod +x run-$NEOFORGED_VERSION.sh
		cd ..
fi

sleep 1

# ---- EULA handling ----
# if [ "${ACCEPT_EULA:-false}" = "true" ]; then
#     echo "eula=true" > eula.txt
# else
#     echo "eula=false" > eula.txt
#     echo "EULA not accepted. Set ACCEPT_EULA=true to start the server."
#     sleep infinity
# fi

# Check for EULA
if [ ! -f $MC_DIR/eula.txt ]; then
	:
else
	if [ "$ACCEPT_EULA" == "false" ]; then
		if grep -rq 'eula=true' $MC_DIR/eula.txt; then
			sed -i '/eula=true/c\eula=false' $MC_DIR/eula.txt
		fi
			echo " "
			echo "WARNING ! EULA not accepted, you must accept the EULA"
			echo "			to start the Server, putting server in sleep mode"
		sleep infinity
    fi
fi

if [ ! -f $MC_DIR/eula.txt ]; then
	echo " "
	echo "WARNING ! EULA not found please stand by..."
	sleep 5
fi
if [ "$ACCEPT_EULA" == "true" ]; then
	if grep -rq 'eula=false' $MC_DIR/eula.txt; then
		sed -i '/eula=false/c\eula=true' $MC_DIR/eula.txt
		echo " "
		echo "INFO ! EULA accepted, server restarting, please wait..."
		sleep 1
		exec .$MC_DIR/run-$NEOFORGED_VERSION.sh #--dataPath=$MC_DIR
		exit 0
	fi
elif [ "$ACCEPT_EULA" == "false" ]; then
	echo " "
	echo "WARNING ! EULA not accepted, you must accept the EULA"
	echo "			to start the Server, putting server in sleep mode"
	sleep infinity
else
	echo " "
	echo "WARNING ! Something went wrong, please check EULA variable"
fi

echo "INFO ! Setting game port."
if [ -f server.properties ]; then
	sed -i '/server-port='*'/c\server-port='$GAME_PORT'' $MC_DIR/server.properties
fi

echo "INFO ! Setting java settings."
cat > $MC_DIR/user_jvm_args.txt <<EOF
-Xms${XMS_SIZE}
-Xmx${XMX_SIZE}
EOF
[ -n "$XMN_SIZE" ] && echo "-Xmn${XMN_SIZE}" >> $MC_DIR/user_jvm_args.txt

# Set permissions.
chown 99:100 -R $MC_DIR
chmod 777 -R $MC_DIR

sleep 1

# Run Minecraft server.
echo " "
echo "INFO ! Starting Minecraft Server $NEOFORGED_VERSION"
cd $MC_DIR
exec ./run-$NEOFORGED_VERSION.sh nogui #--dataPath=$MC_DIR

exit