#!/bin/sh

set -eu



SAVE_FILE="/factorio/saves/world.zip"
SETTINGS_FILE="/factorio/config/server-settings.json"

mkdir -p \
    /factorio/saves \
    /factorio/config

if [ ! -f "$SETTINGS_FILE" ]; then
    cat > "$SETTINGS_FILE" <<'EOF'
{
  "name": "Factorio Server",
  "description": "Automatically generated Factorio world",
  "max_players": 10,
  "visibility": {
    "public": false,
    "lan": true
  },
  "game_password": "",
  "allow_commands": "admins-only",
  "autosave_interval": 10,
  "autosave_slots": 3,
  "auto_pause": true
}
EOF
fi

if [ ! -f "$SAVE_FILE" ]; then
    echo "Save file not found. Creating a new Factorio world..."

    /opt/factorio/bin/x64/factorio \
        --create "$SAVE_FILE"

    echo "New world created: $SAVE_FILE"
else
    echo "Using existing world: $SAVE_FILE"
fi

exec /opt/factorio/bin/x64/factorio "$@"