using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using Dalamud.Plugin;
using Dalamud.Plugin.Ipc;
using Questionable.Controller;
using Questionable.Functions;
using Questionable.Model;
using Questionable.Model.Questing;
using Questionable.Windows;
using Questionable.Windows.QuestComponents;

namespace Questionable.External;

internal sealed class QuestionableIpc : IDisposable
{
	public sealed class StepData
	{
		public required string QuestId { get; init; }

		public required byte Sequence { get; init; }

		public required int Step { get; init; }

		public required string InteractionType { get; init; }

		public required Vector3? Position { get; init; }

		public required ushort TerritoryId { get; init; }
	}

	private const string IpcIsRunning = "Questionable.IsRunning";

	private const string IpcGetCurrentQuestId = "Questionable.GetCurrentQuestId";

	private const string IpcGetCurrentStepData = "Questionable.GetCurrentStepData";

	private const string IpcGetCurrentlyActiveEventQuests = "Questionable.GetCurrentlyActiveEventQuests";

	private const string IpcStartQuest = "Questionable.StartQuest";

	private const string IpcStartSingleQuest = "Questionable.StartSingleQuest";

	private const string IpcIsQuestLocked = "Questionable.IsQuestLocked";

	private const string IpcIsQuestCompleted = "Questionable.IsQuestCompleted";

	private const string IpcIsQuestAvailable = "Questionable.IsQuestAvailable";

	private const string IpcIsQuestAccepted = "Questionable.IsQuestAccepted";

	private const string IpcIsQuestUnobtainable = "Questionable.IsQuestUnobtainable";

	private const string IpcImportQuestPriority = "Questionable.ImportQuestPriority";

	private const string IpcClearQuestPriority = "Questionable.ClearQuestPriority";

	private const string IpcAddQuestPriority = "Questionable.AddQuestPriority";

	private const string IpcInsertQuestPriority = "Questionable.InsertQuestPriority";

	private const string IpcExportQuestPriority = "Questionable.ExportQuestPriority";

	private readonly QuestController _questController;

	private readonly QuestRegistry _questRegistry;

	private readonly QuestFunctions _questFunctions;

	private readonly ManualPriorityComponent _manualPriorityComponent;

	private readonly ICallGateProvider<bool> _isRunning;

	private readonly ICallGateProvider<string?> _getCurrentQuestId;

	private readonly ICallGateProvider<StepData?> _getCurrentStepData;

	private readonly ICallGateProvider<List<string>> _getCurrentlyActiveEventQuests;

	private readonly ICallGateProvider<string, bool> _startQuest;

	private readonly ICallGateProvider<string, bool> _startSingleQuest;

	private readonly ICallGateProvider<string, bool> _isQuestLocked;

	private readonly ICallGateProvider<string, bool> _isQuestCompleted;

	private readonly ICallGateProvider<string, bool> _isQuestAvailable;

	private readonly ICallGateProvider<string, bool> _isQuestAccepted;

	private readonly ICallGateProvider<string, bool> _isQuestUnobtainable;

	private readonly ICallGateProvider<string, bool> _importQuestPriority;

	private readonly ICallGateProvider<string, bool> _addQuestPriority;

	private readonly ICallGateProvider<bool> _clearQuestPriority;

	private readonly ICallGateProvider<int, string, bool> _insertQuestPriority;

	private readonly ICallGateProvider<string> _exportQuestPriority;

	public QuestionableIpc(QuestController questController, EventInfoComponent eventInfoComponent, QuestRegistry questRegistry, QuestFunctions questFunctions, ManualPriorityComponent manualPriorityComponent, IDalamudPluginInterface pluginInterface)
	{
		QuestionableIpc questionableIpc = this;
		_questController = questController;
		_questRegistry = questRegistry;
		_questFunctions = questFunctions;
		_manualPriorityComponent = manualPriorityComponent;
		_isRunning = pluginInterface.GetIpcProvider<bool>("Questionable.IsRunning");
		_isRunning.RegisterFunc(() => questController.AutomationType != QuestController.EAutomationType.Manual || questController.IsRunning);
		_getCurrentQuestId = pluginInterface.GetIpcProvider<string>("Questionable.GetCurrentQuestId");
		_getCurrentQuestId.RegisterFunc(() => questController.CurrentQuest?.Quest.Id.ToString());
		_getCurrentStepData = pluginInterface.GetIpcProvider<StepData>("Questionable.GetCurrentStepData");
		_getCurrentStepData.RegisterFunc(GetStepData);
		_getCurrentlyActiveEventQuests = pluginInterface.GetIpcProvider<List<string>>("Questionable.GetCurrentlyActiveEventQuests");
		_getCurrentlyActiveEventQuests.RegisterFunc(() => (from q in eventInfoComponent.GetCurrentlyActiveEventQuests()
			select q.ToString()).ToList());
		_startQuest = pluginInterface.GetIpcProvider<string, bool>("Questionable.StartQuest");
		_startQuest.RegisterFunc((string questId) => questionableIpc.StartQuest(questId, single: false));
		_startSingleQuest = pluginInterface.GetIpcProvider<string, bool>("Questionable.StartSingleQuest");
		_startSingleQuest.RegisterFunc((string questId) => questionableIpc.StartQuest(questId, single: true));
		_isQuestLocked = pluginInterface.GetIpcProvider<string, bool>("Questionable.IsQuestLocked");
		_isQuestLocked.RegisterFunc(IsQuestLocked);
		_isQuestCompleted = pluginInterface.GetIpcProvider<string, bool>("Questionable.IsQuestCompleted");
		_isQuestCompleted.RegisterFunc(IsQuestCompleted);
		_isQuestAvailable = pluginInterface.GetIpcProvider<string, bool>("Questionable.IsQuestAvailable");
		_isQuestAvailable.RegisterFunc(IsQuestAvailable);
		_isQuestAccepted = pluginInterface.GetIpcProvider<string, bool>("Questionable.IsQuestAccepted");
		_isQuestAccepted.RegisterFunc(IsQuestAccepted);
		_isQuestUnobtainable = pluginInterface.GetIpcProvider<string, bool>("Questionable.IsQuestUnobtainable");
		_isQuestUnobtainable.RegisterFunc(IsQuestUnobtainable);
		_importQuestPriority = pluginInterface.GetIpcProvider<string, bool>("Questionable.ImportQuestPriority");
		_importQuestPriority.RegisterFunc(ImportQuestPriority);
		_addQuestPriority = pluginInterface.GetIpcProvider<string, bool>("Questionable.AddQuestPriority");
		_addQuestPriority.RegisterFunc(AddQuestPriority);
		_clearQuestPriority = pluginInterface.GetIpcProvider<bool>("Questionable.ClearQuestPriority");
		_clearQuestPriority.RegisterFunc(ClearQuestPriority);
		_insertQuestPriority = pluginInterface.GetIpcProvider<int, string, bool>("Questionable.InsertQuestPriority");
		_insertQuestPriority.RegisterFunc(InsertQuestPriority);
		_exportQuestPriority = pluginInterface.GetIpcProvider<string>("Questionable.ExportQuestPriority");
		_exportQuestPriority.RegisterFunc(_manualPriorityComponent.EncodeQuestPriority);
	}

	private bool StartQuest(string questId, bool single)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null && _questRegistry.TryGetQuest(elementId, out Quest quest))
		{
			_questController.SetNextQuest(quest);
			if (single)
			{
				_questController.StartSingleQuest("IPCQuestSelection");
			}
			else
			{
				_questController.Start("IPCQuestSelection");
			}
			return true;
		}
		return false;
	}

	private StepData? GetStepData()
	{
		QuestController.QuestProgress currentQuest = _questController.CurrentQuest;
		if (currentQuest == null)
		{
			return null;
		}
		string text = currentQuest.Quest.Id.ToString();
		if (string.IsNullOrEmpty(text))
		{
			return null;
		}
		QuestStep questStep = currentQuest.Quest.FindSequence(currentQuest.Sequence)?.FindStep(currentQuest.Step);
		if (questStep == null)
		{
			return null;
		}
		return new StepData
		{
			QuestId = text,
			Sequence = currentQuest.Sequence,
			Step = currentQuest.Step,
			InteractionType = questStep.InteractionType.ToString(),
			Position = questStep.Position,
			TerritoryId = questStep.TerritoryId
		};
	}

	private bool IsQuestLocked(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null && _questRegistry.TryGetQuest(elementId, out Quest _))
		{
			return _questFunctions.IsQuestLocked(elementId);
		}
		return true;
	}

	private bool IsQuestCompleted(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null)
		{
			return _questFunctions.IsQuestComplete(elementId);
		}
		return false;
	}

	private bool IsQuestAvailable(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null)
		{
			return _questFunctions.IsReadyToAcceptQuest(elementId);
		}
		return false;
	}

	private bool IsQuestAccepted(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null)
		{
			return _questFunctions.IsQuestAccepted(elementId);
		}
		return false;
	}

	private bool IsQuestUnobtainable(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null)
		{
			return _questFunctions.IsQuestUnobtainable(elementId);
		}
		return false;
	}

	private bool ImportQuestPriority(string encodedQuestPriority)
	{
		List<ElementId> questElements = PriorityWindow.DecodeQuestPriority(encodedQuestPriority);
		_questController.ImportQuestPriority(questElements);
		return true;
	}

	private bool ClearQuestPriority()
	{
		_questController.ClearQuestPriority();
		return true;
	}

	private bool AddQuestPriority(string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null && _questRegistry.IsKnownQuest(elementId))
		{
			return _questController.AddQuestPriority(elementId);
		}
		return true;
	}

	private bool InsertQuestPriority(int index, string questId)
	{
		if (ElementId.TryFromString(questId, out ElementId elementId) && elementId != null && _questRegistry.IsKnownQuest(elementId))
		{
			return _questController.InsertQuestPriority(index, elementId);
		}
		return true;
	}

	public void Dispose()
	{
		_exportQuestPriority.UnregisterFunc();
		_insertQuestPriority.UnregisterFunc();
		_clearQuestPriority.UnregisterFunc();
		_addQuestPriority.UnregisterFunc();
		_importQuestPriority.UnregisterFunc();
		_isQuestUnobtainable.UnregisterFunc();
		_isQuestAccepted.UnregisterFunc();
		_isQuestAvailable.UnregisterFunc();
		_isQuestCompleted.UnregisterFunc();
		_isQuestLocked.UnregisterFunc();
		_startSingleQuest.UnregisterFunc();
		_startQuest.UnregisterFunc();
		_getCurrentlyActiveEventQuests.UnregisterFunc();
		_getCurrentStepData.UnregisterFunc();
		_getCurrentQuestId.UnregisterFunc();
		_isRunning.UnregisterFunc();
	}
}