#!/bin/env bash

JAVA_VERSION=${JAVA_VERSION:-"temurin@21"}
PATH=${JAVA_HOME}/bin:$PATH
JAVA_HOME=/data/java/${JAVA_VERSION}
JAR=server.jar

ADD_ARGS=${ADD_ARGS:-""}
MEM=${MEMORY:-2G}

PUID="${PUID:-1000}"
PGID="${PGID:-1000}"

setperms() {
  echo "Setting permissions to UID:${PUID} and GID:${PGID}"
  sudo usermod -u ${PUID} minecraft >/dev/null 2>&1
  sudo groupmod -g ${PGID} minecraft >/dev/null 2>&1
  sudo chown -R ${PUID}:${PGID} /data >/dev/null 2>&1
  sleep 2
  echo "DONE"
  sleep 2
}

buildCommand() {
  JAVA_ARGS="-Xms${MEM} -Xmx${MEM}"
  if [[ -z ${ADD_ARGS+x} ]]; then
    RUN_STRING="${ADD_ARGS} ${JAVA_ARGS} -jar ${JAR} nogui"
  else
    RUN_STRING="${JAVA_ARGS} -jar ${JAR} nogui"
  fi
}

setperms

mc

buildCommand

cd /data/server
if [[ -f "server.jar" ]]; then
  echo "$JAVA_HOME/bin/java $RUN_STRING"
  exec $JAVA_HOME/bin/java $RUN_STRING
else
  echo "Server Not Found."
  exit 1
fi