using System;
using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Component.GUI;
using FFXIVClientStructs.Interop;
using LLib.GameUI;
using Microsoft.Extensions.Logging;
using Questionable.Controller.Utils;

namespace Questionable.Controller.GameUi;

internal sealed class QteController : IDisposable
{
	private readonly Configuration _configuration;

	private readonly IGameGui _gameGui;

	private readonly IGameConfig _gameConfig;

	private readonly IFramework _framework;

	private readonly ILogger<QteController> _logger;

	private long _throttler = Environment.TickCount64;

	private readonly Random _random = new Random();

	private bool _hasDirectChat;

	private bool _directChatWasEnabled;

	public QteController(Configuration configuration, IGameGui gameGui, IGameConfig gameConfig, IFramework framework, ILogger<QteController> logger)
	{
		_configuration = configuration;
		_gameGui = gameGui;
		_gameConfig = gameConfig;
		_framework = framework;
		_logger = logger;
		_framework.Update += OnUpdate;
	}

	private unsafe void OnUpdate(IFramework framework)
	{
		AtkUnitBase* addonPtr;
		if (!_configuration.General.AutoSolveQte)
		{
			EnableDirectChatIfNeeded();
		}
		else if (_gameGui.TryGetAddonByName<AtkUnitBase>("QTE", out addonPtr) && LAddon.IsAddonReady(addonPtr) && addonPtr->IsVisible)
		{
			DisableDirectChatIfNeeded();
			if (Environment.TickCount64 >= _throttler)
			{
				if (IsChatLogFocused())
				{
					WindowsKeypress.SendKeypress(WindowsKeypress.LimitedKeys.Escape);
				}
				WindowsKeypress.SendKeypress(WindowsKeypress.LimitedKeys.A);
				_throttler = Environment.TickCount64 + _random.Next(25, 50);
			}
		}
		else
		{
			EnableDirectChatIfNeeded();
		}
	}

	private unsafe bool IsChatLogFocused()
	{
		AtkStage* ptr = AtkStage.Instance();
		if (ptr == null)
		{
			return false;
		}
		Span<Pointer<AtkUnitBase>> entries = ptr->RaptureAtkUnitManager->AtkUnitManager.FocusedUnitsList.Entries;
		for (int i = 0; i < entries.Length; i++)
		{
			Pointer<AtkUnitBase> pointer = entries[i];
			if (pointer.Value != null && pointer.Value->NameString == "ChatLog")
			{
				return true;
			}
		}
		return false;
	}

	private void EnableDirectChatIfNeeded()
	{
		if (_hasDirectChat)
		{
			_gameConfig.UiControl.Set("DirectChat", _directChatWasEnabled);
			_hasDirectChat = false;
		}
	}

	private void DisableDirectChatIfNeeded()
	{
		if (!_hasDirectChat && _gameConfig.UiControl.TryGetBool("DirectChat", out var value))
		{
			_directChatWasEnabled = value;
			if (value)
			{
				_gameConfig.UiControl.Set("DirectChat", value: false);
			}
			_hasDirectChat = true;
		}
	}

	public void Dispose()
	{
		_framework.Update -= OnUpdate;
		EnableDirectChatIfNeeded();
	}
}