using FFXIVClientStructs.FFXIV.Client.Game;
using FFXIVClientStructs.FFXIV.Client.UI.Agent;
using FFXIVClientStructs.FFXIV.Component.GUI;
using LLib.GameUI;
using Microsoft.Extensions.Logging;
using Questionable.Model;
using Questionable.Model.Questing;

namespace Questionable.Controller.Steps.Gathering;

internal static class TurnInDelivery
{
	internal sealed class Factory : SimpleTaskFactory
	{
		public override ITask? CreateTask(Quest quest, QuestSequence sequence, QuestStep step)
		{
			if (!(quest.Id is SatisfactionSupplyNpcId) || sequence.Sequence != 1)
			{
				return null;
			}
			return new Task();
		}
	}

	internal sealed record Task : ITask
	{
		public override string ToString()
		{
			return "WeeklyDeliveryTurnIn";
		}
	}

	internal sealed class SatisfactionSupplyTurnIn(ILogger<SatisfactionSupplyTurnIn> logger) : TaskExecutor<Task>()
	{
		private ushort? _remainingAllowances;

		protected override bool Start()
		{
			return true;
		}

		public unsafe override ETaskResult Update()
		{
			AgentSatisfactionSupply* ptr = AgentSatisfactionSupply.Instance();
			if (ptr == null || !ptr->IsAgentActive())
			{
				if (_remainingAllowances.HasValue)
				{
					return ETaskResult.TaskComplete;
				}
				return ETaskResult.StillRunning;
			}
			uint addonId = ptr->GetAddonId();
			if (addonId == 0)
			{
				if (_remainingAllowances.HasValue)
				{
					return ETaskResult.TaskComplete;
				}
				return ETaskResult.StillRunning;
			}
			AtkUnitBase* addonById = LAddon.GetAddonById(addonId);
			if (addonById == null || !LAddon.IsAddonReady(addonById))
			{
				return ETaskResult.StillRunning;
			}
			ushort remainingAllowances = ptr->NpcData.RemainingAllowances;
			if (remainingAllowances == 0)
			{
				logger.LogInformation("No remaining weekly allowances");
				addonById->FireCallbackInt(0);
				return ETaskResult.TaskComplete;
			}
			if (InventoryManager.Instance()->GetInventoryItemCount(ptr->Items[1].Id, isHq: false, checkEquipped: true, checkArmory: true, (short)ptr->Items[1].Collectability1) == 0)
			{
				logger.LogInformation("Inventory has no {ItemId}", ptr->Items[1].Id);
				addonById->FireCallbackInt(0);
				return ETaskResult.TaskComplete;
			}
			if (_remainingAllowances == remainingAllowances)
			{
				return ETaskResult.StillRunning;
			}
			logger.LogInformation("Attempting turn-in (remaining allowances: {RemainingAllowances})", remainingAllowances);
			_remainingAllowances = remainingAllowances;
			AtkValue* values = stackalloc AtkValue[2]
			{
				new AtkValue
				{
					Type = ValueType.Int,
					Int = 1
				},
				new AtkValue
				{
					Type = ValueType.Int,
					Int = 1
				}
			};
			addonById->FireCallback(2u, values);
			return ETaskResult.StillRunning;
		}

		public override bool ShouldInterruptOnDamage()
		{
			return false;
		}
	}
}