#!/bin/bash
set -e

if [ ! -z "$PLAYIT_SECRET" ]; then
    playit --secret "$PLAYIT_SECRET" > /dev/null 2>&1 &
    sleep 5
fi

if [ -f "download_world.py" ]; then
    python3 download_world.py 2>&1 || true
fi

chmod -R 777 /app 2>/dev/null || true

echo "🚀 Starting Minecraft Server"

exec java -server -Xmx8G -Xms8G \
    -XX:+UseG1GC \
    -XX:+ParallelRefProcEnabled \
    -XX:MaxGCPauseMillis=200 \
    -XX:+UnlockExperimentalVMOptions \
    -XX:+DisableExplicitGC \
    -XX:+AlwaysPreTouch \
    -XX:G1NewSizePercent=30 \
    -XX:G1MaxNewSizePercent=40 \
    -XX:G1HeapRegionSize=16M \
    -XX:G1ReservePercent=15 \
    -XX:G1HeapWastePercent=5 \
    -XX:G1MixedGCCountTarget=4 \
    -XX:InitiatingHeapOccupancyPercent=20 \
    -XX:G1MixedGCLiveThresholdPercent=90 \
    -XX:G1RSetUpdatingPauseTimePercent=5 \
    -XX:SurvivorRatio=32 \
    -XX:+PerfDisableSharedMem \
    -XX:MaxTenuringThreshold=1 \
    -Dusing.aikars.flags=https://mcflags.emc.gs \
    -Daikars.new.flags=true \
    -jar server.jar --nogui