IW4M-Admin/Application/Server.cs

using System;
using System.Collections.Generic;
using System.Threading;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Text.RegularExpressions;
using System.Runtime.InteropServices;

using SharedLibraryCore;
using SharedLibraryCore.Interfaces;
using SharedLibraryCore.Objects;
using SharedLibraryCore.Database.Models;
using SharedLibraryCore.Dtos;
using SharedLibraryCore.Configuration;
using SharedLibraryCore.Exceptions;
using SharedLibraryCore.Localization;

using IW4MAdmin.Application.RconParsers;
using IW4MAdmin.Application.EventParsers;
using IW4MAdmin.Application.IO;

namespace IW4MAdmin
{
    public class IW4MServer : Server
    {
        private static readonly Index loc = Utilities.CurrentLocalization.LocalizationIndex;
        private GameLogEventDetection LogEvent;

        public IW4MServer(IManager mgr, ServerConfiguration cfg) : base(mgr, cfg)
        {
        }

        public override int GetHashCode()
        {
            // todo: make this better with collisions
            int id = Math.Abs($"{IP}:{Port.ToString()}".Select(a => (int)a).Sum());

            // hack: this is a nasty fix for get hashcode being changed
            switch (id)
            {
                case 765:
                    return 886229536;
                case 760:
                    return 1645744423;
                case 761:
                    return 1645809959;
            }

            return id;
        }

        public async Task OnPlayerJoined(Player logClient)
        {
            var existingClient = Players[logClient.ClientNumber];

            if (existingClient == null ||
                 (existingClient.NetworkId != logClient.NetworkId &&
                 existingClient.State != Player.ClientState.Connected))
            {
                Logger.WriteDebug($"Log detected {logClient} joining");
                Players[logClient.ClientNumber] = logClient;
            }

            await Task.CompletedTask;
        }

        override public async Task<bool> AddPlayer(Player polledPlayer)
        {
            if ((polledPlayer.Ping == 999 && !polledPlayer.IsBot) ||
                polledPlayer.Ping < 1 ||
                polledPlayer.ClientNumber < 0)
            {
                return false;
            }

            // set this when they are waiting for authentication
            if (Players[polledPlayer.ClientNumber] == null &&
                polledPlayer.State == Player.ClientState.Connecting)
            {
                Players[polledPlayer.ClientNumber] = polledPlayer;
                return false;
            }

#if !DEBUG
            if (polledPlayer.Name.Length < 3)
            {
                Logger.WriteDebug($"Kicking {polledPlayer} because their name is too short");
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, polledPlayer.ClientNumber, loc["SERVER_KICK_MINNAME"]);
                await this.ExecuteCommandAsync(formattedKick);
                return false;
            }

            if (Players.FirstOrDefault(p => p != null && p.Name == polledPlayer.Name && p.NetworkId != polledPlayer.NetworkId) != null)
            {
                Logger.WriteDebug($"Kicking {polledPlayer} because their name is already in use");
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, polledPlayer.ClientNumber, loc["SERVER_KICK_NAME_INUSE"]);
                await this.ExecuteCommandAsync(formattedKick);
                return false;
            }

            if (polledPlayer.Name == "Unknown Soldier" ||
                polledPlayer.Name == "UnknownSoldier" ||
                polledPlayer.Name == "CHEATER")
            {
                Logger.WriteDebug($"Kicking {polledPlayer} because their name is generic");
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, polledPlayer.ClientNumber, loc["SERVER_KICK_GENERICNAME"]);
                await this.ExecuteCommandAsync(formattedKick);
                return false;
            }

            if (polledPlayer.Name.Where(c => Char.IsControl(c)).Count() > 0)
            {
                Logger.WriteDebug($"Kicking {polledPlayer} because their name contains control characters");
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, polledPlayer.ClientNumber, loc["SERVER_KICK_CONTROLCHARS"]);
                await this.ExecuteCommandAsync(formattedKick);
                return false;
            }

#endif
            Logger.WriteDebug($"Client slot #{polledPlayer.ClientNumber} now reserved");

            try
            {
                Player player = null;
                var client = await Manager.GetClientService().GetUnique(polledPlayer.NetworkId);

                // first time client is connecting to server
                if (client == null)
                {
                    Logger.WriteDebug($"Client {polledPlayer} first time connecting");
                    player = (await Manager.GetClientService().Create(polledPlayer)).AsPlayer();
                }

                // client has connected in the past
                else
                {
                    client.LastConnection = DateTime.UtcNow;
                    client.Connections += 1;

                    var existingAlias = client.AliasLink.Children
                        .FirstOrDefault(a => a.Name == polledPlayer.Name && a.IPAddress == polledPlayer.IPAddress);

                    if (existingAlias == null)
                    {
                        Logger.WriteDebug($"Client {polledPlayer} has connected previously under a different ip/name");
                        client.CurrentAlias = new EFAlias()
                        {
                            IPAddress = polledPlayer.IPAddress,
                            Name = polledPlayer.Name,
                        };
                        // we need to update their new ip and name to the virtual property
                        client.Name = polledPlayer.Name;
                        client.IPAddress = polledPlayer.IPAddress;
                    }

                    else
                    {
                        client.CurrentAlias = existingAlias;
                        client.CurrentAliasId = existingAlias.AliasId;
                        client.Name = existingAlias.Name;
                        client.IPAddress = existingAlias.IPAddress;
                    }

                    await Manager.GetClientService().Update(client);
                    player = client.AsPlayer();
                }

                // reserved slots stuff
                if ((MaxClients - ClientNum) < ServerConfig.ReservedSlotNumber &&
                   !player.IsPrivileged())
                {
                    Logger.WriteDebug($"Kicking {polledPlayer} their spot is reserved");
                    string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, polledPlayer.ClientNumber, loc["SERVER_KICK_SLOT_IS_RESERVED"]);
                    await this.ExecuteCommandAsync(formattedKick);
                    return false;
                }

                Logger.WriteInfo($"Client {player} connected...");

                // Do the player specific stuff
                player.ClientNumber = polledPlayer.ClientNumber;
                player.IsBot = polledPlayer.IsBot;
                player.Score = polledPlayer.Score;
                player.CurrentServer = this;

                player.DelayedEvents = (Players[player.ClientNumber]?.DelayedEvents) ?? new Queue<GameEvent>();
                Players[player.ClientNumber] = player;

                var activePenalties = await Manager.GetPenaltyService().GetActivePenaltiesAsync(player.AliasLinkId, player.IPAddress);
                var currentBan = activePenalties.FirstOrDefault(b => b.Expires > DateTime.UtcNow);
                var currentAutoFlag = activePenalties.Where(p => p.Type == Penalty.PenaltyType.Flag && p.PunisherId == 1)
                    .Where(p => p.Active)
                    .OrderByDescending(p => p.When)
                    .FirstOrDefault();

                // remove their auto flag status after a week
                if (player.Level == Player.Permission.Flagged &&
                    currentAutoFlag != null &&
                    (DateTime.Now - currentAutoFlag.When).TotalDays > 7)
                {
                    player.Level = Player.Permission.User;
                }

                if (currentBan != null)
                {
                    Logger.WriteInfo($"Banned client {player} trying to connect...");
                    var autoKickClient = Utilities.IW4MAdminClient(this);

                    // the player is permanently banned
                    if (currentBan.Type == Penalty.PenaltyType.Ban)
                    {
                        // don't store the kick message
                        string formattedKick = String.Format(
                         RconParser.GetCommandPrefixes().Kick,
                         polledPlayer.ClientNumber,
                         $"{loc["SERVER_BAN_PREV"]} {currentBan.Offense} ({loc["SERVER_BAN_APPEAL"]} {Website})");
                        await this.ExecuteCommandAsync(formattedKick);
                    }

                    else
                    {
                        string formattedKick = String.Format(
                            RconParser.GetCommandPrefixes().Kick,
                            polledPlayer.ClientNumber,
                            $"{loc["SERVER_TB_REMAIN"]} ({(currentBan.Expires - DateTime.UtcNow).TimeSpanText()} {loc["WEBFRONT_PENALTY_TEMPLATE_REMAINING"]})");
                        await this.ExecuteCommandAsync(formattedKick);
                    }

                    // reban the "evading" guid
                    if (player.Level != Player.Permission.Banned && currentBan.Type == Penalty.PenaltyType.Ban)
                    {
                        // hack: re apply the automated offense to the reban
                        if (currentBan.AutomatedOffense != null)
                        {
                            autoKickClient.AdministeredPenalties.Add(new EFPenalty() { AutomatedOffense = currentBan.AutomatedOffense });
                        }
                        player.Ban($"{currentBan.Offense}", autoKickClient);
                    }

                    // they didn't fully connect so empty their slot
                    Players[player.ClientNumber] = null;
                    return false;
                }

                player.State = Player.ClientState.Connected;
                return true;
            }

            catch (Exception ex)
            {
                Logger.WriteError($"{loc["SERVER_ERROR_ADDPLAYER"]} {polledPlayer.Name}::{polledPlayer.NetworkId}");
                Logger.WriteDebug(ex.Message);
                Logger.WriteDebug(ex.StackTrace);
                return false;
            }
        }

        //Remove player by CLIENT NUMBER
        override public async Task RemovePlayer(int cNum)
        {
            if (cNum >= 0 && Players[cNum] != null)
            {
                Player Leaving = Players[cNum];

                // occurs when the player disconnects via log before being authenticated by RCon
                if (Leaving.State != Player.ClientState.Connected)
                {
                    Players[cNum] = null;
                }

                else
                {
                    Logger.WriteInfo($"Client {Leaving} [{Leaving.State.ToString().ToLower()}] disconnecting...");
                    Leaving.State = Player.ClientState.Disconnecting;
                    Leaving.TotalConnectionTime += Leaving.ConnectionLength;
                    Leaving.LastConnection = DateTime.UtcNow;
                    await Manager.GetClientService().Update(Leaving);
                    Players[cNum] = null;
                }
            }
        }

        public override async Task ExecuteEvent(GameEvent E)
        {
            bool canExecuteCommand = true;

            if (!await ProcessEvent(E))
            {
                return;
            }

            Command C = null;
            if (E.Type == GameEvent.EventType.Command)
            {
                try
                {
                    C = await SharedLibraryCore.Commands.CommandProcessing.ValidateCommand(E);
                }

                catch (CommandException e)
                {
                    Logger.WriteInfo(e.Message);
                }

                if (C != null)
                {
                    E.Extra = C;
                }
            }

            foreach (var plugin in SharedLibraryCore.Plugins.PluginImporter.ActivePlugins)
            {
                try
                {
                    await plugin.OnEventAsync(E, this);
                }
                catch (AuthorizationException e)
                {
                    E.Origin.Tell($"{loc["COMMAND_NOTAUTHORIZED"]} - {e.Message}");
                    canExecuteCommand = false;
                }
                catch (Exception Except)
                {
                    Logger.WriteError($"{loc["SERVER_PLUGIN_ERROR"]} [{plugin.Name}]");
                    Logger.WriteDebug(Except.GetExceptionInfo());
                }
            }

            // hack: this prevents commands from getting executing that 'shouldn't' be
            if (E.Type == GameEvent.EventType.Command &&
                E.Extra != null &&
                (canExecuteCommand ||
                E.Origin?.Level == Player.Permission.Console))
            {
                await (((Command)E.Extra).ExecuteAsync(E));
            }
        }

        /// <summary>
        /// Perform the server specific tasks when an event occurs 
        /// </summary>
        /// <param name="E"></param>
        /// <returns></returns>
        override protected async Task<bool> ProcessEvent(GameEvent E)
        {
            if (E.Type == GameEvent.EventType.Connect)
            {
                E.Origin.State = Player.ClientState.Authenticated;
                // add   them to the server 
                if (!await AddPlayer(E.Origin))
                {
                    E.Origin.State = Player.ClientState.Connecting;
                    Logger.WriteDebug("client didn't pass authentication, so we are discontinuing event");
                    return false;
                }
                // hack: makes the event propgate with the correct info
                E.Origin = Players[E.Origin.ClientNumber];

                ChatHistory.Add(new ChatInfo()
                {
                    Name = E.Origin?.Name ?? "ERROR!",
                    Message = "CONNECTED",
                    Time = DateTime.UtcNow
                });

                if (E.Origin.Level > Player.Permission.Moderator)
                {
                    E.Origin.Tell(string.Format(loc["SERVER_REPORT_COUNT"], E.Owner.Reports.Count));
                }
            }

            else if (E.Type == GameEvent.EventType.Join)
            {
                await OnPlayerJoined(E.Origin);
            }

            else if (E.Type == GameEvent.EventType.Flag)
            {
                Penalty newPenalty = new Penalty()
                {
                    Type = Penalty.PenaltyType.Flag,
                    Expires = DateTime.UtcNow,
                    Offender = E.Target,
                    Offense = E.Data,
                    Punisher = E.Origin,
                    Active = true,
                    When = DateTime.UtcNow,
                    Link = E.Target.AliasLink
                };

                var addedPenalty = await Manager.GetPenaltyService().Create(newPenalty);
                E.Target.ReceivedPenalties.Add(addedPenalty);

                await Manager.GetClientService().Update(E.Target);
            }

            else if (E.Type == GameEvent.EventType.Unflag)
            {
                await Manager.GetClientService().Update(E.Target);
            }

            else if (E.Type == GameEvent.EventType.Report)
            {
                this.Reports.Add(new Report()
                {
                    Origin = E.Origin,
                    Target = E.Target,
                    Reason = E.Data
                });
            }

            else if (E.Type == GameEvent.EventType.TempBan)
            {
                await TempBan(E.Data, (TimeSpan)E.Extra, E.Target, E.Origin); ;
            }

            else if (E.Type == GameEvent.EventType.Ban)
            {
                await Ban(E.Data, E.Target, E.Origin);
            }

            else if (E.Type == GameEvent.EventType.Unban)
            {
                await Unban(E.Data, E.Target, E.Origin);
            }

            else if (E.Type == GameEvent.EventType.Kick)
            {
                await Kick(E.Data, E.Target, E.Origin);
            }

            else if (E.Type == GameEvent.EventType.Warn)
            {
                await Warn(E.Data, E.Target, E.Origin);
            }

            else if (E.Type == GameEvent.EventType.Quit)
            {
                var origin = Players.FirstOrDefault(p => p != null && p.NetworkId == E.Origin.NetworkId);

                if (origin != null &&
                    // we only want to forward the event if they are connected. 
                    origin.State == Player.ClientState.Connected &&
                    // make sure we don't get the disconnect event from every time the game ends
                    origin.ConnectionLength < Manager.GetApplicationSettings().Configuration().RConPollRate)
                {
                    var e = new GameEvent()
                    {
                        Type = GameEvent.EventType.Disconnect,
                        Origin = origin,
                        Owner = this
                    };

                    Manager.GetEventHandler().AddEvent(e);
                }

                else if (origin != null &&
                    origin.State != Player.ClientState.Connected)
                {
                    await RemovePlayer(origin.ClientNumber);
                }
            }

            else if (E.Type == GameEvent.EventType.Disconnect)
            {
                ChatHistory.Add(new ChatInfo()
                {
                    Name = E.Origin.Name,
                    Message = "DISCONNECTED",
                    Time = DateTime.UtcNow
                });

                var currentState = E.Origin.State;
                await RemovePlayer(E.Origin.ClientNumber);

                if (currentState != Player.ClientState.Connected)
                {
                    throw new ServerException("Disconnecting player was not in a connected state");
                }
            }

            if (E.Type == GameEvent.EventType.Say)
            {
                E.Data = E.Data.StripColors();

                if (E.Data.Length > 0)
                {
                    // this may be a fix for a hard to reproduce null exception error
                    lock (ChatHistory)
                    {
                        ChatHistory.Add(new ChatInfo()
                        {
                            Name = E.Origin.Name,
                            Message = E.Data ?? "NULL",
                            Time = DateTime.UtcNow
                        });
                    }
                }
            }

            if (E.Type == GameEvent.EventType.MapChange)
            {
                Logger.WriteInfo($"New map loaded - {ClientNum} active players");

                // iw4 doesn't log the game info
                if (E.Extra == null)
                {
                    var dict = await this.GetInfoAsync();

                    if (dict == null)
                    {
                        Logger.WriteWarning("Map change event response doesn't have any data");
                    }

                    else
                    {
                        Gametype = dict["gametype"].StripColors();
                        Hostname = dict["hostname"]?.StripColors();

                        string mapname = dict["mapname"]?.StripColors() ?? CurrentMap.Name;
                        CurrentMap = Maps.Find(m => m.Name == mapname) ?? new Map() { Alias = mapname, Name = mapname };
                    }
                }

                else
                {
                    var dict = (Dictionary<string, string>)E.Extra;
                    Gametype = dict["g_gametype"].StripColors();
                    Hostname = dict["sv_hostname"].StripColors();

                    string mapname = dict["mapname"].StripColors();
                    CurrentMap = Maps.Find(m => m.Name == mapname) ?? new Map()
                    {
                        Alias = mapname,
                        Name = mapname
                    };
                }
            }

            if (E.Type == GameEvent.EventType.MapEnd)
            {
                Logger.WriteInfo("Game ending...");
            }

            if (E.Type == GameEvent.EventType.Tell)
            {
                await Tell(E.Message, E.Target);
            }

            if (E.Type == GameEvent.EventType.Broadcast)
            {
                // this is a little ugly but I don't want to change the abstract class
                if (E.Data != null)
                {
                    await E.Owner.ExecuteCommandAsync(E.Data);
                }
            }

            while (ChatHistory.Count > Math.Ceiling((double)ClientNum / 2))
                ChatHistory.RemoveAt(0);

            // the last client hasn't fully disconnected yet
            // so there will still be at least 1 client left
            if (ClientNum < 2)
                ChatHistory.Clear();

            return true;
        }

        /// <summary>
        /// lists the connecting and disconnecting clients via RCon response
        /// array index 0 =  connecting clients
        /// array index 1 = disconnecting clients
        /// </summary>
        /// <returns></returns>
        async Task<IList<Player>[]> PollPlayersAsync()
        {
#if DEBUG
            var now = DateTime.Now;
#endif
            var currentClients = GetPlayersAsList();
            var polledClients = await this.GetStatusAsync();
#if DEBUG
            Logger.WriteInfo($"Polling players took {(DateTime.Now - now).TotalMilliseconds}ms");
#endif
            Throttled = false;

            foreach (var client in polledClients)
            {
                // todo: move out somehwere
                var existingClient = Players[client.ClientNumber] ?? client;
                existingClient.Ping = client.Ping;
                existingClient.Score = client.Score;
            }

            var disconnectingClients = currentClients.Except(polledClients);
            var connectingClients = polledClients.Except(currentClients.Where(c => c.State == Player.ClientState.Connected));

            return new List<Player>[] { connectingClients.ToList(), disconnectingClients.ToList() };
        }

        DateTime start = DateTime.Now;
        DateTime playerCountStart = DateTime.Now;
        DateTime lastCount = DateTime.Now;

        override public async Task<bool> ProcessUpdatesAsync(CancellationToken cts)
        {
            try
            {
                if (Manager.ShutdownRequested())
                {
                    // todo: fix up disconnect
                    //for (int i = 0; i < Players.Count; i++)
                    //   await RemovePlayer(i);

                    foreach (var plugin in SharedLibraryCore.Plugins.PluginImporter.ActivePlugins)
                        await plugin.OnUnloadAsync();
                }

                // only check every 2 minutes if the server doesn't seem to be responding
                /*  if ((DateTime.Now - LastPoll).TotalMinutes < 0.5 && ConnectionErrors >= 1)
                      return true;*/

                try
                {
                    var polledClients = await PollPlayersAsync();
                    var waiterList = new List<GameEvent>();

                    foreach (var disconnectingClient in polledClients[1])
                    {
                        if (disconnectingClient.State == Player.ClientState.Disconnecting)
                        {
                            continue;
                        }

                        var e = new GameEvent()
                        {
                            Type = GameEvent.EventType.Disconnect,
                            Origin = disconnectingClient,
                            Owner = this
                        };

                        Manager.GetEventHandler().AddEvent(e);
                        // wait until the disconnect event is complete
                        // because we don't want to try to fill up a slot that's not empty yet
                        waiterList.Add(e);
                    }
                    // wait for all the disconnect tasks to finish
                    await Task.WhenAll(waiterList.Select(e => e.WaitAsync()));

                    waiterList.Clear();
                    // this are our new connecting clients
                    foreach (var client in polledClients[0])
                    {
                        // this prevents duplicate events from being sent to the event api
                        if (GetPlayersAsList().Count(c => c.NetworkId == client.NetworkId &&
                            c.State == Player.ClientState.Connected) != 0)
                        {
                            continue;
                        }

                        var e = new GameEvent()
                        {
                            Type = GameEvent.EventType.Connect,
                            Origin = client,
                            Owner = this
                        };

                        Manager.GetEventHandler().AddEvent(e);
                        waiterList.Add(e);
                    }

                    // wait for all the connect tasks to finish
                    await Task.WhenAll(waiterList.Select(e => e.WaitAsync()));

                    if (ConnectionErrors > 0)
                    {
                        Logger.WriteVerbose($"{loc["MANAGER_CONNECTION_REST"]} {IP}:{Port}");
                        Throttled = false;
                    }
                    ConnectionErrors = 0;
                    LastPoll = DateTime.Now;
                }

                catch (NetworkException e)
                {
                    ConnectionErrors++;
                    if (ConnectionErrors == 1)
                    {
                        Logger.WriteError($"{e.Message} {IP}:{Port}, {loc["SERVER_ERROR_POLLING"]}");
                        Logger.WriteDebug($"Internal Exception: {e.Data["internal_exception"]}");
                        Throttled = true;
                    }
                    return true;
                }

                LastMessage = DateTime.Now - start;
                lastCount = DateTime.Now;

                // todo: re-enable on tick
                /*
                if ((DateTime.Now - tickTime).TotalMilliseconds >= 1000)
                {
                    foreach (var Plugin in SharedLibraryCore.Plugins.PluginImporter.ActivePlugins)
                    {
                        if (cts.IsCancellationRequested)
                            break;

                        await Plugin.OnTickAsync(this);
                    }
                    tickTime = DateTime.Now;
                }*/

                // update the player history 
                if ((lastCount - playerCountStart).TotalMinutes >= SharedLibraryCore.Helpers.PlayerHistory.UpdateInterval)
                {
                    while (PlayerHistory.Count > ((60 / SharedLibraryCore.Helpers.PlayerHistory.UpdateInterval) * 12)) // 12 times a hour for 12 hours
                        PlayerHistory.Dequeue();
                    PlayerHistory.Enqueue(new SharedLibraryCore.Helpers.PlayerHistory(ClientNum));
                    playerCountStart = DateTime.Now;
                }

                // send out broadcast messages
                if (LastMessage.TotalSeconds > Manager.GetApplicationSettings().Configuration().AutoMessagePeriod
                    && BroadcastMessages.Count > 0
                    && ClientNum > 0)
                {
                    string[] messages = this.ProcessMessageToken(Manager.GetMessageTokens(), BroadcastMessages[NextMessage]).Split(Environment.NewLine);

                    foreach (string message in messages)
                    {
                        Broadcast(message);
                    }

                    NextMessage = NextMessage == (BroadcastMessages.Count - 1) ? 0 : NextMessage + 1;
                    start = DateTime.Now;
                }

                return true;
            }

            // this one is ok
            catch (ServerException e)
            {
                if (e is NetworkException)
                {
                    Logger.WriteError($"{loc["SERVER_ERROR_COMMUNICATION"]} {IP}:{Port}");
                    Logger.WriteDebug(e.GetExceptionInfo());
                }

                return false;
            }

            catch (Exception E)
            {
                Logger.WriteError($"{loc["SERVER_ERROR_EXCEPTION"]} {IP}:{Port}");
                Logger.WriteDebug(E.GetExceptionInfo());
                return false;
            }
        }

        public async Task Initialize()
        {
            RconParser = ServerConfig.UseT6MParser ?
                (IRConParser)new T6MRConParser() :
                new IW3RConParser();

            if (ServerConfig.UseIW5MParser)
                RconParser = new IW5MRConParser();

            var version = await this.GetDvarAsync<string>("version");
            GameName = Utilities.GetGame(version.Value);

            if (GameName == Game.IW4)
            {
                EventParser = new IW4EventParser();
                RconParser = new IW4RConParser();
            }
            else if (GameName == Game.IW5)
                EventParser = new IW5EventParser();
            else if (GameName == Game.T5M)
                EventParser = new T5MEventParser();
            else if (GameName == Game.T6M)
                EventParser = new T6MEventParser();
            else
                EventParser = new IW3EventParser(); // this uses the 'main' folder for log paths

            if (GameName == Game.UKN)
                Logger.WriteWarning($"Game name not recognized: {version}");

            var infoResponse = await this.GetInfoAsync();
            // this is normally slow, but I'm only doing it because different games have different prefixes
            var hostname = infoResponse == null ?
                (await this.GetDvarAsync<string>("sv_hostname")).Value :
                infoResponse.Where(kvp => kvp.Key.Contains("hostname")).Select(kvp => kvp.Value).First();
            var mapname = infoResponse == null ?
                (await this.GetDvarAsync<string>("mapname")).Value :
                infoResponse["mapname"];
            int maxplayers = (GameName == Game.IW4) ?  // gotta love IW4 idiosyncrasies
                (await this.GetDvarAsync<int>("party_maxplayers")).Value :
                infoResponse == null ?
                (await this.GetDvarAsync<int>("sv_maxclients")).Value :
                Convert.ToInt32(infoResponse["sv_maxclients"]);
            var gametype = infoResponse == null ?
                (await this.GetDvarAsync<string>("g_gametype")).Value :
                infoResponse.Where(kvp => kvp.Key.Contains("gametype")).Select(kvp => kvp.Value).First();
            var basepath = await this.GetDvarAsync<string>("fs_basepath");
            var game = infoResponse == null || !infoResponse.ContainsKey("fs_game") ?
                (await this.GetDvarAsync<string>("fs_game")).Value :
                infoResponse["fs_game"];
            var logfile = await this.GetDvarAsync<string>("g_log");
            var logsync = await this.GetDvarAsync<int>("g_logsync");

            WorkingDirectory = basepath.Value;

            try
            {
                var website = await this.GetDvarAsync<string>("_website");
                Website = website.Value;
            }

            catch (DvarException)
            {
                Website = loc["SERVER_WEBSITE_GENERIC"];
            }

            InitializeMaps();

            this.Hostname = hostname.StripColors();
            this.CurrentMap = Maps.Find(m => m.Name == mapname) ?? new Map() { Alias = mapname, Name = mapname };
            this.MaxClients = maxplayers;
            this.FSGame = game;
            this.Gametype = gametype;
            if (logsync.Value == 0 || logfile.Value == string.Empty)
            {
                // this DVAR isn't set until the a map is loaded
                await this.SetDvarAsync("logfile", 2);
                await this.SetDvarAsync("g_logsync", 2); // set to 2 for continous in other games, clamps to 1 for IW4
                await this.SetDvarAsync("g_log", "games_mp.log");
                Logger.WriteWarning("Game log file not properly initialized, restarting map...");
                await this.ExecuteCommandAsync("map_restart");
                logfile = await this.GetDvarAsync<string>("g_log");
            }

            CustomCallback = await ScriptLoaded();
            string mainPath = EventParser.GetGameDir();
#if DEBUG
     //       basepath.Value = @"D:\";
#endif
            string logPath = string.Empty;

            LogPath = game == string.Empty ?
                   $"{basepath.Value.Replace('\\', Path.DirectorySeparatorChar)}{Path.DirectorySeparatorChar}{mainPath}{Path.DirectorySeparatorChar}{logfile.Value}" :
                   $"{basepath.Value.Replace('\\', Path.DirectorySeparatorChar)}{Path.DirectorySeparatorChar}{game.Replace('/', Path.DirectorySeparatorChar)}{Path.DirectorySeparatorChar}{logfile.Value}";

            if (GameName == Game.IW5 || ServerConfig.ManualLogPath?.Length > 0)
            {
                logPath = ServerConfig.ManualLogPath;
            }
            else
            {
                logPath = LogPath;
            }

            // hopefully fix wine drive name mangling
            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
            {
                logPath = Regex.Replace($"{Path.DirectorySeparatorChar}{LogPath}", @"[A-Z]:/", "");
            }

            if (!File.Exists(logPath) && !logPath.StartsWith("http"))
            {
                Logger.WriteError($"{logPath} {loc["SERVER_ERROR_DNE"]}");
#if !DEBUG
                throw new ServerException($"{loc["SERVER_ERROR_LOG"]} {logPath}");
                //#else
                LogEvent = new GameLogEventDetection(this, logPath, logfile.Value);
#endif
            }
            else
            {
                LogEvent = new GameLogEventDetection(this, logPath, logfile.Value);
            }

            Logger.WriteInfo($"Log file is {logPath}");

            _ = Task.Run(() => LogEvent.PollForChanges());
#if !DEBUG
            Broadcast(loc["BROADCAST_ONLINE"]);
#endif
        }

        protected override async Task Warn(String Reason, Player Target, Player Origin)
        {
            // ensure player gets warned if command not performed on them in game
            if (Target.ClientNumber < 0)
            {
                var ingameClient = Manager.GetActiveClients()
                    .FirstOrDefault(c => c.ClientId == Target.ClientId);

                if (ingameClient != null)
                {
                    await Warn(Reason, ingameClient, Origin);
                    return;
                }
            }

            else
            {
                if (Target.Warnings >= 4)
                {
                    Target.Kick(loc["SERVER_WARNLIMT_REACHED"], Utilities.IW4MAdminClient(this));
                    return;
                }

                String message = $"^1{loc["SERVER_WARNING"]} ^7[^3{Target.Warnings}^7]: ^3{Target.Name}^7, {Reason}";
                Target.CurrentServer.Broadcast(message);
            }

            Penalty newPenalty = new Penalty()
            {
                Type = Penalty.PenaltyType.Warning,
                Expires = DateTime.UtcNow,
                Offender = Target,
                Offense = Reason,
                Punisher = Origin,
                Active = true,
                When = DateTime.UtcNow,
                Link = Target.AliasLink
            };

            await Manager.GetPenaltyService().Create(newPenalty);
        }

        protected override async Task Kick(String Reason, Player Target, Player Origin)
        {
            // ensure player gets kicked if command not performed on them in game
            if (Target.ClientNumber < 0)
            {
                var ingameClient = Manager.GetActiveClients()
                     .FirstOrDefault(c => c.ClientId == Target.ClientId);

                if (ingameClient != null)
                {
                    await Kick(Reason, ingameClient, Origin);
                    return;
                }
            }
#if !DEBUG
            else
            {
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, Target.ClientNumber, $"{loc["SERVER_KICK_TEXT"]} - ^5{Reason}^7");
                await Target.CurrentServer.ExecuteCommandAsync(formattedKick);
            }
#endif

#if DEBUG
            await Target.CurrentServer.RemovePlayer(Target.ClientNumber);
#endif

            var newPenalty = new Penalty()
            {
                Type = Penalty.PenaltyType.Kick,
                Expires = DateTime.UtcNow,
                Offender = Target,
                Offense = Reason,
                Punisher = Origin,
                Active = true,
                When = DateTime.UtcNow,
                Link = Target.AliasLink
            };

            await Manager.GetPenaltyService().Create(newPenalty);
        }

        protected override async Task TempBan(String Reason, TimeSpan length, Player Target, Player Origin)
        {
            // ensure player gets banned if command not performed on them in game
            if (Target.ClientNumber < 0)
            {
                var ingameClient = Manager.GetActiveClients()
                     .FirstOrDefault(c => c.ClientId == Target.ClientId);

                if (ingameClient != null)
                {
                    await TempBan(Reason, length, ingameClient, Origin);
                    return;
                }
            }
#if !DEBUG
            else
            {
                string formattedKick = String.Format(RconParser.GetCommandPrefixes().Kick, Target.ClientNumber, $"^7{loc["SERVER_TB_TEXT"]}- ^5{Reason}");
                await Target.CurrentServer.ExecuteCommandAsync(formattedKick);
            }
#else
            await Target.CurrentServer.RemovePlayer(Target.ClientNumber);
#endif

            Penalty newPenalty = new Penalty()
            {
                Type = Penalty.PenaltyType.TempBan,
                Expires = DateTime.UtcNow + length,
                Offender = Target,
                Offense = Reason,
                Punisher = Origin,
                Active = true,
                When = DateTime.UtcNow,
                Link = Target.AliasLink
            };

            await Manager.GetPenaltyService().Create(newPenalty);
        }

        override protected async Task Ban(String Message, Player Target, Player Origin)
        {
            // ensure player gets banned if command not performed on them in game
            if (Target.ClientNumber < 0)
            {
                Player ingameClient = null;

                ingameClient = Manager.GetServers()
                    .Select(s => s.GetPlayersAsList())
                    .FirstOrDefault(l => l.FirstOrDefault(c => c.ClientId == Target.ClientId) != null)
                    ?.First(c => c.ClientId == Target.ClientId);

                if (ingameClient != null)
                {
                    await Ban(Message, ingameClient, Origin);
                    return;
                }
            }

            else
            {
                // this is set only because they're still in the server.
                Target.Level = Player.Permission.Banned;

#if !DEBUG
                string formattedString = String.Format(RconParser.GetCommandPrefixes().Kick, Target.ClientNumber, $"{loc["SERVER_BAN_TEXT"]} - ^5{Message} ^7({loc["SERVER_BAN_APPEAL"]} {Website})^7");
                await Target.CurrentServer.ExecuteCommandAsync(formattedString);
#else
                await Target.CurrentServer.RemovePlayer(Target.ClientNumber);
#endif
            }

            Penalty newPenalty = new Penalty()
            {
                Type = Penalty.PenaltyType.Ban,
                Expires = DateTime.MaxValue,
                Offender = Target,
                Offense = Message,
                Punisher = Origin,
                Active = true,
                When = DateTime.UtcNow,
                Link = Target.AliasLink,
                AutomatedOffense = Origin.AdministeredPenalties.FirstOrDefault()?.AutomatedOffense
            };

            await Manager.GetPenaltyService().Create(newPenalty);
            // prevent them from logging in again
            Manager.GetPrivilegedClients().Remove(Target.ClientId);
        }

        override public async Task Unban(string reason, Player Target, Player Origin)
        {
            var unbanPenalty = new Penalty()
            {
                Type = Penalty.PenaltyType.Unban,
                Expires = DateTime.UtcNow,
                Offender = Target,
                Offense = reason,
                Punisher = Origin,
                When = DateTime.UtcNow,
                Active = true,
                Link = Target.AliasLink
            };

            await Manager.GetPenaltyService().RemoveActivePenalties(Target.AliasLink.AliasLinkId);
            await Manager.GetPenaltyService().Create(unbanPenalty);
        }

        override public void InitializeTokens()
        {
            Manager.GetMessageTokens().Add(new SharedLibraryCore.Helpers.MessageToken("TOTALPLAYERS", (Server s) => Manager.GetClientService().GetTotalClientsAsync().Result.ToString()));
            Manager.GetMessageTokens().Add(new SharedLibraryCore.Helpers.MessageToken("VERSION", (Server s) => Application.Program.Version.ToString()));
            Manager.GetMessageTokens().Add(new SharedLibraryCore.Helpers.MessageToken("NEXTMAP", (Server s) => SharedLibraryCore.Commands.CNextMap.GetNextMap(s).Result));
            Manager.GetMessageTokens().Add(new SharedLibraryCore.Helpers.MessageToken("ADMINS", (Server s) => SharedLibraryCore.Commands.CListAdmins.OnlineAdmins(s)));
        }
    }
}