using System;
using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Client.Game;
using FFXIVClientStructs.FFXIV.Client.Game.Group;
using LLib.GameData;
using Microsoft.Extensions.Logging;

namespace Questionable.Controller.Utils;

internal sealed class PartyWatchDog : IDisposable
{
	private readonly QuestController _questController;

	private readonly IClientState _clientState;

	private readonly IChatGui _chatGui;

	private readonly ILogger<PartyWatchDog> _logger;

	private ushort? _uncheckedTeritoryId;

	public PartyWatchDog(QuestController questController, IClientState clientState, IChatGui chatGui, ILogger<PartyWatchDog> logger)
	{
		_questController = questController;
		_clientState = clientState;
		_chatGui = chatGui;
		_logger = logger;
		_clientState.TerritoryChanged += TerritoryChanged;
	}

	private unsafe void TerritoryChanged(ushort newTerritoryId)
	{
		switch ((ETerritoryIntendedUse)GameMain.Instance()->CurrentTerritoryIntendedUseId)
		{
		case ETerritoryIntendedUse.Gaol:
		case ETerritoryIntendedUse.Frontline:
		case ETerritoryIntendedUse.LordOfVerminion:
		case ETerritoryIntendedUse.Diadem:
		case ETerritoryIntendedUse.CrystallineConflict:
		case ETerritoryIntendedUse.DeepDungeon:
		case ETerritoryIntendedUse.TreasureMapDuty:
		case ETerritoryIntendedUse.Battlehall:
		case ETerritoryIntendedUse.CrystallineConflict2:
		case ETerritoryIntendedUse.Diadem2:
		case ETerritoryIntendedUse.RivalWings:
		case ETerritoryIntendedUse.Eureka:
		case ETerritoryIntendedUse.LeapOfFaith:
		case ETerritoryIntendedUse.OceanFishing:
		case ETerritoryIntendedUse.Diadem3:
		case ETerritoryIntendedUse.Bozja:
		case ETerritoryIntendedUse.Battlehall2:
		case ETerritoryIntendedUse.Battlehall3:
		case ETerritoryIntendedUse.LargeScaleRaid:
		case ETerritoryIntendedUse.LargeScaleSavageRaid:
		case ETerritoryIntendedUse.Blunderville:
			StopIfRunning($"Unsupported Area entered ({newTerritoryId})");
			break;
		case ETerritoryIntendedUse.Dungeon:
		case ETerritoryIntendedUse.VariantDungeon:
		case ETerritoryIntendedUse.AllianceRaid:
		case ETerritoryIntendedUse.Trial:
		case ETerritoryIntendedUse.Raid:
		case ETerritoryIntendedUse.Raid2:
		case ETerritoryIntendedUse.SeasonalEvent:
		case ETerritoryIntendedUse.SeasonalEvent2:
		case ETerritoryIntendedUse.CriterionDuty:
		case ETerritoryIntendedUse.CriterionSavageDuty:
			_uncheckedTeritoryId = newTerritoryId;
			_logger.LogInformation("Will check territory {TerritoryId} after loading", newTerritoryId);
			break;
		case ETerritoryIntendedUse.StartingArea:
		case ETerritoryIntendedUse.QuestArea:
		case ETerritoryIntendedUse.QuestBattle:
		case (ETerritoryIntendedUse)11:
		case ETerritoryIntendedUse.QuestArea2:
		case ETerritoryIntendedUse.ResidentialArea:
		case ETerritoryIntendedUse.HousingInstances:
		case ETerritoryIntendedUse.QuestArea3:
		case (ETerritoryIntendedUse)19:
		case ETerritoryIntendedUse.ChocoboSquare:
		case ETerritoryIntendedUse.RestorationEvent:
		case ETerritoryIntendedUse.Sanctum:
		case ETerritoryIntendedUse.GoldSaucer:
		case (ETerritoryIntendedUse)24:
		case ETerritoryIntendedUse.HallOfTheNovice:
		case ETerritoryIntendedUse.QuestBattle2:
		case ETerritoryIntendedUse.Barracks:
		case ETerritoryIntendedUse.SeasonalEventDuty:
		case (ETerritoryIntendedUse)36:
		case ETerritoryIntendedUse.Unknown1:
		case (ETerritoryIntendedUse)42:
		case ETerritoryIntendedUse.MaskedCarnivale:
		case ETerritoryIntendedUse.IslandSanctuary:
		case ETerritoryIntendedUse.QuestArea4:
		case (ETerritoryIntendedUse)55:
		case ETerritoryIntendedUse.TribalInstance:
			break;
		}
	}

	public unsafe void Update()
	{
		if (_uncheckedTeritoryId != _clientState.TerritoryType || GameMain.Instance()->TerritoryLoadState != 2)
		{
			return;
		}
		GroupManager* ptr = GroupManager.Instance();
		if (ptr != null)
		{
			byte memberCount = ptr->MainGroup.MemberCount;
			bool isAlliance = ptr->MainGroup.IsAlliance;
			_logger.LogDebug("Territory {TerritoryId} with {MemberCount} members, alliance: {IsInAlliance}", _uncheckedTeritoryId, memberCount, isAlliance);
			if (memberCount > 1 || isAlliance)
			{
				StopIfRunning("Other party members present");
			}
			_uncheckedTeritoryId = null;
		}
	}

	private void StopIfRunning(string reason)
	{
		if (_questController.IsRunning || _questController.AutomationType != QuestController.EAutomationType.Manual)
		{
			_chatGui.PrintError("Stopping Questionable: " + reason + ". If you believe this to be correct, please restart Questionable manually.", "Questionable", 576);
			_questController.Stop(reason);
		}
	}

	public void Dispose()
	{
		_clientState.TerritoryChanged -= TerritoryChanged;
	}
}