#!/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 $MC_DIR/run-$NEOFORGED_VERSION.sh ]
# 	then
# 		echo " "
# 		echo "INFO ! run-$NEOFORGED_VERSION.sh found ... will use existing file."
# 	else
# 		echo " "
# 		echo "WARNING ! run-$NEOFORGED_VERSION.sh is out of date/missing ... will download now."
# 		rm -fr $MC_DIR/run-*.sh
# 		wget --no-cache --show-progress --progress=bar:force:noscroll $MC_RUN_FILE -O $MC_DIR/run-$NEOFORGED_VERSION.sh
# 		chmod +x $MC_DIR/run-$NEOFORGED_VERSION.sh
# fi

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 neoforge-$NEOFORGED_VERSION-beta-installer.jar is out of date/missing ...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

# if [ -e $MC_DIR/server-$SERVER_VERSION.jar ]
# 	then
# 		echo " "
# 		echo "INFO ! server-$SERVER_VERSION.jar found starting now."
# 	else
# 		echo " "
# 		echo "WARNING ! server-$SERVER_VERSION.jar is out of date/missing ... will download now."
# 		echo " "
# 		echo "INFO ! Cleaning old files."
# 		rm -fr $MC_DIR/server-*.jar
# 		wget --no-cache --show-progress --progress=bar:force:noscroll $SERVER_FILE -O $MC_DIR/server-$SERVER_VERSION.jar
# 		chmod +x $MC_DIR/server-$SERVER_VERSION.jar
# 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

# sleep 1

# 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

sleep 1

echo "INFO ! Setting game port."
sed -i '/server-port='*'/c\server-port='$GAME_PORT'' $MC_DIR/server.properties

sleep 1

echo "INFO ! Setting java settings."
# sed -i '/-Xmx='*'/c\-Xmx='$XMX_SIZE'' $MC_DIR/user_jvm_args.txt
# sed -i '/-Xms='*'/c\-Xms='$XMS_SIZE'' $MC_DIR/user_jvm_args.txt
# sed -i '/-Xmn='*'/c\-Xmn='$XMN_SIZE'' $MC_DIR/user_jvm_args.txt

if [ ! -f $MC_DIR/user_jvm_args.txt ]; then
    echo "Creating user_jvm_args.txt"
    {
        echo "-Xms$XMS_SIZE"
        echo "-Xmx$XMX_SIZE"
        [ -n "$XMN_SIZE" ] && echo "-Xmn$XMN_SIZE"
    } > $MC_DIR/user_jvm_args.txt
else
    sed -i "s/^-Xms.*/-Xms$XMS_SIZE/" $MC_DIR/user_jvm_args.txt
    sed -i "s/^-Xmx.*/-Xmx$XMX_SIZE/" $MC_DIR/user_jvm_args.txt
    if [ -n "$XMN_SIZE" ]; then
        sed -i "s/^-Xmn.*/-Xmn$XMN_SIZE/" $MC_DIR/user_jvm_args.txt || true
    fi
fi

sleep 1

# 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 $MC_DIR
exec .$MC_DIR/run-$NEOFORGED_VERSION.sh nogui #--dataPath=$MC_DIR

exit