using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Core.Attributes.Registration;
using CounterStrikeSharp.API.Modules.Admin;
using CounterStrikeSharp.API.Modules.Commands;
using CounterStrikeSharp.API.Modules.Cvars;
using Dapper;
using Microsoft.Extensions.Logging;
using System.Data;
using System.Text;
using static Dapper.SqlMapper;

namespace CS2_SimpleAdmin;

public partial class CS2_SimpleAdmin
{
	private void RegisterEvents()
	{
		RegisterListener<Listeners.OnMapStart>(OnMapStart);
		AddCommandListener("say", OnCommandSay);
		AddCommandListener("say_team", OnCommandTeamSay);
	}

	[GameEventHandler]
	private HookResult OnRoundEnd(EventRoundEnd @event, GameEventInfo info)
	{
#if DEBUG
		Logger.LogCritical("[OnRoundEnd]");
#endif
		godPlayers.Clear();
		return HookResult.Continue;
	}

	private HookResult OnCommandSay(CCSPlayerController? player, CommandInfo info)
	{
		if (player is null || !player.IsValid || player.IsBot || player.IsHLTV || info.GetArg(1).Length == 0) return HookResult.Continue;

		PlayerPenaltyManager playerPenaltyManager = new PlayerPenaltyManager();

		if (playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Gag) || playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Silence))
			return HookResult.Handled;

		return HookResult.Continue;
	}

	private HookResult OnCommandTeamSay(CCSPlayerController? player, CommandInfo info)
	{
		if (player is null || !player.IsValid || player.IsBot || player.IsHLTV || info.GetArg(1).Length == 0) return HookResult.Continue;

		PlayerPenaltyManager playerPenaltyManager = new PlayerPenaltyManager();

		if (playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Gag) || playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Silence))
			return HookResult.Handled;

		if (info.GetArg(1).StartsWith("@"))
		{
			StringBuilder sb = new();

			if (AdminManager.PlayerHasPermissions(player, "@css/chat"))
			{
				sb.Append(_localizer!["sa_adminchat_template_admin", player!.PlayerName, info.GetArg(1).Remove(0, 1)]);
				foreach (var p in Utilities.GetPlayers().Where(p => p.IsValid && !p.IsBot && !p.IsHLTV && AdminManager.PlayerHasPermissions(p, "@css/chat")))
				{
					p.PrintToChat(sb.ToString());
				}
			}
			else
			{
				sb.Append(_localizer!["sa_adminchat_template_player", player!.PlayerName, info.GetArg(1).Remove(0, 1)]);
				player.PrintToChat(sb.ToString());
				foreach (var p in Utilities.GetPlayers().Where(p => p.IsValid && !p.IsBot && !p.IsHLTV && AdminManager.PlayerHasPermissions(p, "@css/chat")))
				{
					p.PrintToChat(sb.ToString());
				}
			}

			return HookResult.Handled;
		}

		return HookResult.Continue;
	}

	[GameEventHandler]
	public HookResult OnPlayerFullConnect(EventPlayerConnectFull @event, GameEventInfo info)
	{
		CCSPlayerController? player = @event.Userid;
#if DEBUG
		Logger.LogCritical("[OnPlayerConnect] Before check");
#endif
		if (player is null || !player.IsValid || player.SteamID.ToString().Length != 17 || string.IsNullOrEmpty(player.IpAddress)) return HookResult.Continue;
#if DEBUG
		Logger.LogCritical("[OnPlayerConnect] After Check");
#endif
		string? ipAddress = player.IpAddress.Split(":")[0];

		if (bannedPlayers.Contains(ipAddress) || bannedPlayers.Contains(player.SteamID.ToString()))
		{
			Helper.KickPlayer((ushort)player.UserId!, "Banned");
			return HookResult.Continue;
		}

		if (_database == null)
			return HookResult.Continue;

		PlayerInfo playerInfo = new PlayerInfo
		{
			UserId = player.UserId,
			Index = (ushort)player.Index,
			Slot = player.Slot,
			SteamId = player.SteamID.ToString(),
			Name = player.PlayerName,
			IpAddress = ipAddress
		};


		Task.Run(async () =>
		{
			BanManager _banManager = new(_database, Config);
			MuteManager _muteManager = new(_database);
			PlayerPenaltyManager playerPenaltyManager = new PlayerPenaltyManager();

			if (await _banManager.IsPlayerBanned(playerInfo))
			{
				if (playerInfo.IpAddress != null && !bannedPlayers.Contains(playerInfo.IpAddress))
					bannedPlayers.Add(playerInfo.IpAddress);

				if (playerInfo.SteamId != null && !bannedPlayers.Contains(playerInfo.SteamId))
					bannedPlayers.Add(playerInfo.SteamId);

				Server.NextFrame(() =>
				{
					if (playerInfo.UserId != null)
						Helper.KickPlayer((ushort)playerInfo.UserId, "Banned");
				});

				return;
			}

			List<dynamic> activeMutes = await _muteManager.IsPlayerMuted(playerInfo.SteamId);

			if (activeMutes.Count > 0)
			{
				foreach (dynamic mute in activeMutes)
				{
					string muteType = mute.type;
					DateTime ends = mute.ends;
					int duration = mute.duration;

					if (muteType == "GAG")
					{
						playerPenaltyManager.AddPenalty(playerInfo.Slot, PenaltyType.Gag, ends, duration);
						Server.NextFrame(() =>
						{
							if (TagsDetected)
							{
								Server.ExecuteCommand($"css_tag_mute {playerInfo.SteamId}");
							}
						});
					}
					else if (muteType == "MUTE")
					{
						playerPenaltyManager.AddPenalty(playerInfo.Slot, PenaltyType.Mute, ends, duration);
						Server.NextFrame(() =>
						{
							player.VoiceFlags = VoiceFlags.Muted;
						});
					}
					else
					{
						playerPenaltyManager.AddPenalty(playerInfo.Slot, PenaltyType.Silence, ends, duration);
						Server.NextFrame(() =>
						{
							player.VoiceFlags = VoiceFlags.Muted;
							if (TagsDetected)
							{
								Server.ExecuteCommand($"css_tag_mute {playerInfo.SteamId}");
							}
						});
					}
				}
			}
		});

		return HookResult.Continue;
	}

	[GameEventHandler]
	public HookResult OnPlayerDisconnect(EventPlayerDisconnect @event, GameEventInfo info)
	{
		if (@event.Userid is null || !@event.Userid.IsValid)
			return HookResult.Continue;

		CCSPlayerController? player = @event.Userid;

#if DEBUG
		Logger.LogCritical("[OnClientDisconnect] Before");
#endif

		if (player.IsBot || player.IsHLTV || player.SteamID.ToString().Length != 17) return HookResult.Continue;

#if DEBUG
		Logger.LogCritical("[OnClientDisconnect] After Check");
#endif

		PlayerPenaltyManager playerPenaltyManager = new PlayerPenaltyManager();
		playerPenaltyManager.RemoveAllPenalties(player.Slot);
		RemoveFromConcurrentBag(silentPlayers, player.Slot);
		RemoveFromConcurrentBag(godPlayers, player.Slot);

		if (player.AuthorizedSteamID != null && AdminSQLManager._adminCache.TryGetValue(player.AuthorizedSteamID, out DateTime? expirationTime)
			&& expirationTime <= DateTime.Now)
		{
			AdminManager.ClearPlayerPermissions(player.AuthorizedSteamID);
			AdminManager.RemovePlayerAdminData(player.AuthorizedSteamID);
		}

		if (TagsDetected)
			Server.ExecuteCommand($"css_tag_unmute {player.SteamID}");

		return HookResult.Continue;
	}

	private void OnMapStart(string mapName)
	{
		string? path = Path.GetDirectoryName(ModuleDirectory);
		if (Directory.Exists(path + "/CS2-Tags"))
		{
			TagsDetected = true;
		}

		godPlayers.Clear();
		silentPlayers.Clear();

		PlayerPenaltyManager playerPenaltyManager = new PlayerPenaltyManager();
		playerPenaltyManager.RemoveAllPenalties();

		_database = new(dbConnectionString);

		if (_database == null) return;

		AddTimer(60.0f, async () =>
		{
#if DEBUG
			Logger.LogCritical("[OnMapStart] Expired check");
#endif
			AdminSQLManager _adminManager = new(_database);
			BanManager _banManager = new(_database, Config);
			MuteManager _muteManager = new(_database);
			await _banManager.ExpireOldBans();
			await _muteManager.ExpireOldMutes();
			await _adminManager.DeleteOldAdmins();

			bannedPlayers.Clear();

			Server.NextFrame(() =>
			{
				try
				{

					foreach (CCSPlayerController player in Helper.GetValidPlayers())
					{
						if (playerPenaltyManager.IsSlotInPenalties(player.Slot))
						{
							if (!playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Mute) && !playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Silence))
								player.VoiceFlags = VoiceFlags.Normal;

							if (!playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Gag) && !playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Silence))
							{
								if (TagsDetected)
									Server.ExecuteCommand($"css_tag_unmute {player!.SteamID}");
							}

							if (
								!playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Silence) &&
								!playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Mute) &&
								!playerPenaltyManager.IsPenalized(player.Slot, PenaltyType.Gag)
							)
							{
								player.VoiceFlags = VoiceFlags.Normal;

								if (TagsDetected)
									Server.ExecuteCommand($"css_tag_unmute {player!.SteamID}");
							}
						}
					}
				}
				catch (Exception) { }
			});

			playerPenaltyManager.RemoveExpiredPenalties();
		}, CounterStrikeSharp.API.Modules.Timers.TimerFlags.REPEAT | CounterStrikeSharp.API.Modules.Timers.TimerFlags.STOP_ON_MAPCHANGE);

		AddTimer(3.0f, async () =>
		{
			string? address = $"{ConVar.Find("ip")!.StringValue}:{ConVar.Find("hostport")!.GetPrimitiveValue<int>()}";
			string? hostname = ConVar.Find("hostname")!.StringValue;

			await Task.Run(async () =>
			{
				AdminSQLManager _adminManager = new(_database);
				try
				{
					await using var connection = await _database.GetConnectionAsync();
					bool addressExists = await connection.ExecuteScalarAsync<bool>(
						"SELECT COUNT(*) FROM sa_servers WHERE address = @address",
						new { address });

					if (!addressExists)
					{
						await connection.ExecuteAsync(
							"INSERT INTO sa_servers (address, hostname) VALUES (@address, @hostname)",
							new { address, hostname });
					}
					else
					{
						await connection.ExecuteAsync(
							"UPDATE `sa_servers` SET hostname = @hostname WHERE address = @address",
							new { address, hostname });
					}

					int? serverId = await connection.ExecuteScalarAsync<int>(
						"SELECT `id` FROM `sa_servers` WHERE `address` = @address",
						new { address });

					ServerId = serverId;
				}
				catch (Exception)
				{
					_logger?.LogCritical("Unable to create or get server_id");
				}

				await _adminManager.GiveAllFlags();
			});
		}, CounterStrikeSharp.API.Modules.Timers.TimerFlags.STOP_ON_MAPCHANGE);

		AddTimer(3.0f, () =>
		{
			ConVar? botQuota = ConVar.Find("bot_quota");

			if (botQuota != null && botQuota.GetPrimitiveValue<int>() > 0)
			{
				Logger.LogWarning("Due to bugs with bots (game bug), consider disabling bots by setting `bot_quota 0` in the gamemode config if your server crashes after a map change.");
			}
		});
	}

	[GameEventHandler]
	public HookResult OnPlayerHurt(EventPlayerHurt @event, GameEventInfo info)
	{
		CCSPlayerController? player = @event.Userid;

		if (player is null || @event.Attacker is null || (LifeState_t)player.LifeState != LifeState_t.LIFE_ALIVE || player.PlayerPawn.Value == null
		 || player.Connected != PlayerConnectedState.PlayerConnected)
			return HookResult.Continue;

		if (godPlayers.Contains(player.Slot))
		{
			player.PlayerPawn.Value.Health = player.PlayerPawn.Value.MaxHealth;
			player.PlayerPawn.Value.ArmorValue = 100;
		}

		return HookResult.Continue;
	}
}