using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Core.Attributes.Registration;
using CounterStrikeSharp.API.Modules.Commands;
using CounterStrikeSharp.API.Modules.Utils;
using Cs2SuperPowers.Players;
using Cs2SuperPowers.Powers;
using Cs2SuperPowers.Powers.Assign;
using Microsoft.Extensions.Logging;

namespace Cs2SuperPowers;

public class Cs2SuperPowersPlugin : BasePlugin
{
    public override string ModuleName => "Cs2SuperPowersPlugin";
    public override string ModuleVersion => "0.1.0";
    public override string ModuleAuthor => "Latoch";
    public override string ModuleDescription => "This CS2 server plugin unleashes the divine within! Experience a chaotic and exhilarating gameplay where players wield incredible superpowers.";

    private readonly ISuperPower[] _superPowers;
    private readonly IPowerAssignLogic _powerAssignLogic;
    private readonly IPlayerHud _playerHud;
    private readonly Random _random = new Random();
    
    // Store listener delegate to prevent garbage collection!
    private readonly Listeners.CheckTransmit _checkTransmitHandler;

    public Cs2SuperPowersPlugin(IEnumerable<ISuperPower> superPowers, IPowerAssignLogic powerAssignLogic, IPlayerHud playerHud) : base()
    {
        _superPowers = superPowers.ToArray();
        _powerAssignLogic = powerAssignLogic;
        _playerHud = playerHud;
        
        // Initialize CheckTransmit handler here to store a reference!
        _checkTransmitHandler = OnCheckTransmit;
    }
    
    public override void Load(bool hotReload)
    {
        Logger.LogInformation("Loading {ModuleName} with HotReload = {HotReload}", ModuleName, hotReload);
        base.Load(hotReload);
        
        // Register CheckTransmit listener using stored handler!
        RegisterListener<Listeners.CheckTransmit>(_checkTransmitHandler);
        
        foreach (var superPower in _superPowers)
        {
            Logger.LogInformation("Initializing SuperPower {Name} with Id = {Id}", superPower.Name, superPower.Id);
            superPower.Initialize(this);
            Logger.LogInformation("Finished Initializing SuperPower {Name}", superPower.Name);
        }
        _playerHud.Initialize(this);
        _powerAssignLogic.Initialize(this, _superPowers);
        Logger.LogInformation("Finished loading {ModuleName} with HotReload = {HotReload}", ModuleName, hotReload);
    }
    
    public void OnCheckTransmit(CCheckTransmitInfoList infoList)
    {
        foreach ((CCheckTransmitInfo info, CCSPlayerController? player) in infoList)
        {
            if (player == null || !player.IsValid) continue;
            Wallhack._onPlayerTransmitHandler(info, player);
        }
    }

    [ConsoleCommand("css_reroll", "Reroll your super power")]
    [CommandHelper(minArgs: 0, whoCanExecute: CommandUsage.CLIENT_ONLY)]
    public void OnRerollCommand(CCSPlayerController? player, CommandInfo command)
    {
        if (player == null || !player.IsValid || !player.PawnIsAlive)
        {
            return;
        }

        var activePlayerCount = Utilities.GetPlayers().Count(currentPlayer =>
            currentPlayer.IsValid && currentPlayer.Team != CsTeam.None && currentPlayer.Team != CsTeam.Spectator);
        var randomAssignablePowers = _superPowers
            .Where(power => power.CanBeRandomlyAssigned && power.MinimumPlayersRequired <= activePlayerCount)
            .ToArray();
        if (randomAssignablePowers.Length == 0)
        {
            player.PrintToChat("No eligible powers are available right now.");
            return;
        }

        var randomPower = randomAssignablePowers[_random.Next(randomAssignablePowers.Length)];
        PlayerPowers.Instance.AddPower(player, randomPower, showMessages: true);
    }

    [ConsoleCommand("css_forcepower", "Force a super power on a player: /forcepower <player name> <power name or id>")]
    [CommandHelper(minArgs: 2, whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnForcePowerCommand(CCSPlayerController? caller, CommandInfo command)
    {
        var playerNameArg = command.GetArg(1);
        var powerArg = command.GetArg(2);

        // Find target player
        CCSPlayerController? targetPlayer = null;
        foreach (var player in Utilities.GetPlayers())
        {
            if (player.IsValid && player.PlayerName.Contains(playerNameArg, StringComparison.OrdinalIgnoreCase))
            {
                targetPlayer = player;
                break;
            }
        }

        if (targetPlayer == null)
        {
            command.ReplyToCommand($"Could not find player containing '{playerNameArg}'");
            return;
        }

        // Find power
        ISuperPower? targetPower = null;
        if (int.TryParse(powerArg, out var powerId))
        {
            targetPower = _superPowers.FirstOrDefault(p => p.Id == powerId);
        }
        else
        {
            targetPower = _superPowers.FirstOrDefault(p => p.Name.Contains(powerArg, StringComparison.OrdinalIgnoreCase));
        }

        if (targetPower == null)
        {
            command.ReplyToCommand($"Could not find power '{powerArg}'");
            return;
        }

        // Assign power
        PlayerPowers.Instance.AddPower(targetPlayer, targetPower, showMessages: true);
        command.ReplyToCommand($"Gave {targetPlayer.PlayerName} the power '{targetPower.Name}'");
    }

    [ConsoleCommand("css_nodelay", "Turn off cooldowns for Grenade Launcher, Not So Decoy, and Air Strike!")]
    [CommandHelper(minArgs: 0, whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnNoDelayCommand(CCSPlayerController? caller, CommandInfo command)
    {
        GlobalConfig.NoDelayEnabled = true;
        if (caller != null && caller.IsValid)
        {
            caller.PrintToChat($"NoDelay mode turned ON! Cooldowns disabled for Grenade Launcher, Not So Decoy, Air Strike!");
        }
        else
        {
            Server.PrintToChatAll($"NoDelay mode turned ON! Cooldowns disabled for Grenade Launcher, Not So Decoy, Air Strike!");
        }
    }

    [ConsoleCommand("css_delay", "Turn on cooldowns for Grenade Launcher, Not So Decoy, and Air Strike!")]
    [CommandHelper(minArgs: 0, whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnDelayCommand(CCSPlayerController? caller, CommandInfo command)
    {
        GlobalConfig.NoDelayEnabled = false;
        if (caller != null && caller.IsValid)
        {
            caller.PrintToChat($"NoDelay mode turned OFF! Cooldowns re-enabled!");
        }
        else
        {
            Server.PrintToChatAll($"NoDelay mode turned OFF! Cooldowns re-enabled!");
        }
    }

    [ConsoleCommand("css_boost", "Shows boost levels for all abilities.")]
    [CommandHelper(minArgs: 0, whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnBoostCommand(CCSPlayerController? caller, CommandInfo command)
    {
        string message = $"Boost Levels:\n  GrenadeLauncher: {GlobalConfig.GrenadeLauncherBoostLevel} ({GlobalConfig.GetGrenadeLauncherCount(1)}x)\n  NotSoDecoy: {GlobalConfig.NotSoDecoyBoostLevel} ({GlobalConfig.GetNotSoDecoyCount(20)} grenades)\n  AirStrike: {GlobalConfig.AirStrikeBoostLevel} ({GlobalConfig.GetAirStrikeCount(20)} grenades)\n  Dropped Nades: {GlobalConfig.DroppedNadesBoostLevel} ({GlobalConfig.GetDroppedNadesCount(5)} grenades)";
        if (caller != null && caller.IsValid)
        {
            caller.PrintToChat(message);
        }
        else
        {
            Server.PrintToChatAll(message);
        }
    }

    [ConsoleCommand("css_boost_grenade", "Sets boost level for GrenadeLauncher (0+).")]
    [CommandHelper(minArgs: 1, usage: "[level >= 0]", whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnBoostGrenadeCommand(CCSPlayerController? caller, CommandInfo command)
    {
        if (int.TryParse(command.GetArg(1), out int level) && level >= 0)
        {
            GlobalConfig.GrenadeLauncherBoostLevel = level;
            string message = $"GrenadeLauncher Boost Level set to {level} ({GlobalConfig.GetGrenadeLauncherCount(1)}x)!";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
        else
        {
            string message = "Invalid level! Use 0 or higher.";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
    }

    [ConsoleCommand("css_boost_decoy", "Sets boost level for NotSoDecoy (0+).")]
    [CommandHelper(minArgs: 1, usage: "[level >= 0]", whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnBoostDecoyCommand(CCSPlayerController? caller, CommandInfo command)
    {
        if (int.TryParse(command.GetArg(1), out int level) && level >= 0)
        {
            GlobalConfig.NotSoDecoyBoostLevel = level;
            string message = $"NotSoDecoy Boost Level set to {level} ({GlobalConfig.GetNotSoDecoyCount(20)} grenades)!";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
        else
        {
            string message = "Invalid level! Use 0 or higher.";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
    }

    [ConsoleCommand("css_boost_airstrike", "Sets boost level for AirStrike (0+).")]
    [CommandHelper(minArgs: 1, usage: "[level >= 0]", whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnBoostAirstrikeCommand(CCSPlayerController? caller, CommandInfo command)
    {
        if (int.TryParse(command.GetArg(1), out int level) && level >= 0)
        {
            GlobalConfig.AirStrikeBoostLevel = level;
            string message = $"AirStrike Boost Level set to {level} ({GlobalConfig.GetAirStrikeCount(20)} grenades)!";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
        else
        {
            string message = "Invalid level! Use 0 or higher.";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
    }

    [ConsoleCommand("css_boost_dropped_nades", "Sets boost level for Dropped Nades (0+).")]
    [CommandHelper(minArgs: 1, usage: "[level >= 0]", whoCanExecute: CommandUsage.CLIENT_AND_SERVER)]
    public void OnBoostDroppedNadesCommand(CCSPlayerController? caller, CommandInfo command)
    {
        if (int.TryParse(command.GetArg(1), out int level) && level >= 0)
        {
            GlobalConfig.DroppedNadesBoostLevel = level;
            string message = $"Dropped Nades Boost Level set to {level} ({GlobalConfig.GetDroppedNadesCount(5)} grenades)!";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
        else
        {
            string message = "Invalid level! Use 0 or higher.";
            if (caller != null && caller.IsValid)
            {
                caller.PrintToChat(message);
            }
            else
            {
                Server.PrintToChatAll(message);
            }
        }
    }
}