import 'dart:io';

import 'package:bugvault/Constants.dart';
import 'package:bugvault/SessionData.dart';
import 'package:bugvault/server/main.dart';
import 'package:libac_dart/nbt/NbtIo.dart';
import 'package:libac_dart/nbt/impl/CompoundTag.dart';
import 'package:libac_dart/packets/packets.dart';

Future<int> main(List<String> args) async {
  print("Starting BugVault Server...");

  // Check for settings.dat, which should contain all basic information.
  // Then check if any data exists. If not, create data hierarchy
  File settings = File("settings.dat");
  if (await settings.exists()) {
    // Load!
    SessionData.g_nbtConfiguration =
        await NbtIo.read("settings.dat") as CompoundTag;
  } else {
    SessionData.g_nbtConfiguration = CompoundTag();
    print("No existing configuration found");
  }
  await BugVaultServer.InstantiateSettings(SessionData.g_nbtConfiguration);
  print("Loaded settings...");

  print("Registering packet handlers...");
  await BugVaultServer.RegisterPacketHandlers();

  print("Opening data port...");

  print("\n\n");
  print("=".padLeft(20, "="));
  print("BugVault Dedicated Server\nVersion: ${Constants.VERSION}");
  print("=".padLeft(20, "="));

  while (!SessionData.g_bShutdownPending) {
    try {
      await PacketServer.start(BugVaultServer.g_iPortNumber);
    } catch (E) {}
  }

  print("Thank you for choosing BugVault! - Shutting down...");
  return 0;
}