#!/bin/sh -x
set -euo pipefail

id

mkdir -p "$SAVES"
mkdir -p "$CONFIG"
mkdir -p "$MODS"
mkdir -p "$SCENARIOS"
mkdir -p "$SCRIPTOUTPUT"

if [ ! -f "$CONFIG/rconpw" ]; then
  pwgen 15 1>"$CONFIG/rconpw"
fi

if [ ! -f "$CONFIG/server-settings.json" ]; then
  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
fi

if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
fi

if [ ! -f "$CONFIG/map-settings.json" ]; then
  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
fi

if find -L "$SAVES" -iname \*.tmp.zip -mindepth 1 -print | grep -q .; then
  rm -f "$SAVES"/*.tmp.zip
fi

if ! find -L "$SAVES" -iname \*.zip -mindepth 1 -print | grep -q .; then
  /opt/factorio/bin/x64/factorio \
    --create "$SAVES/_autosave1.zip" \
    --map-gen-settings "$CONFIG/map-gen-settings.json" \
    --map-settings "$CONFIG/map-settings.json"
fi

exec /opt/factorio/bin/x64/factorio \
  --port "$PORT" \
  --start-server-load-latest \
  --server-settings "$CONFIG/server-settings.json" \
  --server-whitelist "$CONFIG/server-whitelist.json" \
  --server-banlist "$CONFIG/server-banlist.json" \
  --rcon-port "$RCON_PORT" \
  --rcon-password "$(cat "$CONFIG/rconpw")" \
  --server-id /factorio/config/server-id.json \
  "$@"