#!/usr/bin/env bash
set -euo pipefail

: "${NS2_GAME_PORT:=27015}"
: "${NS2_WEB_PORT:=8080}"
: "${NS2_WEB_INTERNAL_PORT:=8081}"
: "${NS2_IP:=0.0.0.0}"

if [[ "${NS2_DEBUG:-0}" == "1" ]]; then
  set -x
fi

ARGS=()
ARGS+=("-ip" "${NS2_IP}")
ARGS+=("-port" "${NS2_GAME_PORT}")

if [[ "${NS2_INSECURE:-0}" == "1" ]]; then
  ARGS+=("-insecure")
fi

if [[ "${NS2_WEBADMIN:-0}" == "1" ]]; then
  ARGS+=("-webadmin" "-webport" "${NS2_WEB_INTERNAL_PORT}")
fi

if [[ -n "${NS2_NAME:-}" ]]; then
  ARGS+=("-name" "${NS2_NAME}")
fi

if [[ -n "${NS2_MAP:-}" ]]; then
  ARGS+=("-map" "${NS2_MAP}")
fi

if [[ -n "${NS2_LIMIT:-}" ]]; then
  ARGS+=("-limit" "${NS2_LIMIT}")
fi

if [[ -n "${NS2_PASSWORD:-}" ]]; then
  ARGS+=("-password" "${NS2_PASSWORD}")
fi

if [[ -n "${NS2_WEBUSER:-}" ]]; then
  ARGS+=("-webuser" "${NS2_WEBUSER}")
fi

if [[ -n "${NS2_WEBPASSWORD:-}" ]]; then
  ARGS+=("-webpassword" "${NS2_WEBPASSWORD}")
fi

if [[ -n "${NS2_WEBDOMAIN:-}" ]]; then
  ARGS+=("-webdomain" "${NS2_WEBDOMAIN}")
fi

if [[ -n "${NS2_WEBUSERS_FILE:-}" ]]; then
  ARGS+=("-webusers" "${NS2_WEBUSERS_FILE}")
fi

if [[ -n "${NS2_MODSTORAGE:-}" ]]; then
  ARGS+=("-modstorage" "${NS2_MODSTORAGE}")
fi

if [[ -n "${NS2_CONFIG_PATH:-}" ]]; then
  ARGS+=("-config_path" "${NS2_CONFIG_PATH}")
fi

if [[ -n "${NS2_LOGDIR:-}" ]]; then
  ARGS+=("-logdir" "${NS2_LOGDIR}")
fi

cd /opt/ns2

if [[ "${NS2_WEBADMIN:-0}" == "1" ]] && [[ "${NS2_WEB_PROXY:-1}" == "1" ]]; then
  if command -v socat >/dev/null 2>&1; then
    echo "[ns2] starting web proxy: 0.0.0.0:${NS2_WEB_PORT} -> 127.0.0.1:${NS2_WEB_INTERNAL_PORT}" >&2
    socat TCP-LISTEN:"${NS2_WEB_PORT}",fork,reuseaddr,bind=0.0.0.0 TCP:127.0.0.1:"${NS2_WEB_INTERNAL_PORT}" &
  else
    echo "[ns2] warning: socat not installed; cannot start web proxy" >&2
  fi
fi

WINE_BIN=""
if command -v wine64 >/dev/null 2>&1; then
  WINE_BIN="wine64"
elif command -v wine >/dev/null 2>&1; then
  WINE_BIN="wine"
else
  echo "[ns2] error: wine executable not found in PATH" >&2
  exit 127
fi

if [[ $# -gt 0 ]]; then
  echo "[ns2] launching: ${WINE_BIN} x64/Server.exe $*" >&2
  exec "${WINE_BIN}" x64/Server.exe "$@"
fi

echo "[ns2] launching: ${WINE_BIN} x64/Server.exe ${ARGS[*]}" >&2
exec "${WINE_BIN}" x64/Server.exe "${ARGS[@]}"