using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Dalamud.Plugin;
using Dalamud.Plugin.Ipc;
using Dalamud.Plugin.Ipc.Exceptions;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;
using Questionable.Controller;
using Questionable.Data;

namespace Questionable.External;

internal sealed class AutomatonIpc : IDisposable
{
	private static readonly ImmutableHashSet<string> ConflictingTweaks = new HashSet<string>
	{
		"DateWithDestiny", "AutoFollow", "AutoPillion", "AutoInvite", "AutoBusy", "AutoEquipXPBoosts", "FateToolKit", "AutoMerge", "AutoQueue", "EnhancedDutyStartEnd",
		"EnhancedLoginLogout", "GettingTooAttached", "RetrieveMateria"
	}.ToImmutableHashSet();

	private const string AutoSnipeTweak = "AutoSnipeQuests";

	private readonly Configuration _configuration;

	private readonly QuestController _questController;

	private readonly TerritoryData _territoryData;

	private readonly IClientState _clientState;

	private readonly ILogger<AutomatonIpc> _logger;

	private readonly ICallGateSubscriber<string, bool> _isTweakEnabled;

	private readonly ICallGateSubscriber<string, bool, object?> _setTweakState;

	private HashSet<string>? _pausedTweaks;

	public AutomatonIpc(Configuration configuration, IDalamudPluginInterface pluginInterface, QuestController questController, TerritoryData territoryData, IClientState clientState, ILogger<AutomatonIpc> logger)
	{
		_configuration = configuration;
		_questController = questController;
		_territoryData = territoryData;
		_clientState = clientState;
		_logger = logger;
		_isTweakEnabled = pluginInterface.GetIpcSubscriber<string, bool>("Automaton.IsTweakEnabled");
		_setTweakState = pluginInterface.GetIpcSubscriber<string, bool, object>("Automaton.SetTweakState");
		_questController.AutomationTypeChanged += OnAutomationTypeChanged;
	}

	private void OnAutomationTypeChanged(object sender, QuestController.EAutomationType automationType)
	{
		if (automationType != QuestController.EAutomationType.Manual && !_territoryData.IsDutyInstance(_clientState.TerritoryType))
		{
			Task.Run((Action)DisableConflictingTweaks);
		}
		else
		{
			Task.Run((Action)RestoreConflictingTweaks);
		}
	}

	private void DisableConflictingTweaks()
	{
		if (_pausedTweaks != null)
		{
			return;
		}
		_pausedTweaks = new HashSet<string>();
		foreach (string conflictingTweak in ConflictingTweaks)
		{
			TryDisableTweak(conflictingTweak);
		}
		if (_configuration.General.AutoSnipe)
		{
			TryDisableTweak("AutoSnipeQuests");
		}
	}

	private void TryDisableTweak(string tweak)
	{
		try
		{
			if (_isTweakEnabled.InvokeFunc(tweak))
			{
				_setTweakState.InvokeAction(tweak, arg2: false);
				_pausedTweaks.Add(tweak);
				_logger.LogInformation("Paused Automaton tweak: {Tweak}", tweak);
			}
		}
		catch (IpcError)
		{
		}
	}

	private void RestoreConflictingTweaks()
	{
		if (_pausedTweaks == null)
		{
			return;
		}
		foreach (string pausedTweak in _pausedTweaks)
		{
			try
			{
				_setTweakState.InvokeAction(pausedTweak, arg2: true);
				_logger.LogInformation("Restored Automaton tweak: {Tweak}", pausedTweak);
			}
			catch (IpcError)
			{
			}
		}
		_pausedTweaks = null;
	}

	public void Dispose()
	{
		_questController.AutomationTypeChanged -= OnAutomationTypeChanged;
		RestoreConflictingTweaks();
	}
}