using System;
using System.Collections.Generic;
using System.Globalization;
using System.Runtime.InteropServices;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;
using Questionable.Controller.Steps;
using Questionable.Controller.Steps.Common;
using Questionable.Controller.Steps.Interactions;
using Questionable.Controller.Steps.Movement;
using Questionable.Controller.Steps.Shared;
using Questionable.Model.Questing;

namespace Questionable.Controller;

internal sealed class SeasonalDutyController : MiniTaskController<SeasonalDutyController>
{
	private readonly MovementController _movementController;

	private readonly IClientState _clientState;

	private readonly ILogger<SeasonalDutyController> _logger;

	private SeasonalDutyDefinition? _currentDuty;

	private int _completedCycles;

	private int? _cycleLimit;

	private DateTime _startTime;

	public bool IsRunning => _currentDuty != null;

	public SeasonalDutyDefinition? CurrentDuty => _currentDuty;

	public int CompletedCycles => _completedCycles;

	public int? CycleLimit => _cycleLimit;

	public TimeSpan ElapsedTime
	{
		get
		{
			if (!IsRunning)
			{
				return TimeSpan.Zero;
			}
			return DateTime.UtcNow - _startTime;
		}
	}

	public SeasonalDutyController(IChatGui chatGui, ICondition condition, IServiceProvider serviceProvider, InterruptHandler interruptHandler, IDataManager dataManager, ILogger<SeasonalDutyController> logger, MovementController movementController, IClientState clientState)
		: base(chatGui, condition, serviceProvider, interruptHandler, dataManager, logger)
	{
		_movementController = movementController;
		_clientState = clientState;
		_logger = logger;
	}

	public void Start(SeasonalDutyDefinition duty, int? cycleLimit = null)
	{
		_currentDuty = duty;
		_completedCycles = 0;
		_cycleLimit = cycleLimit;
		_startTime = DateTime.UtcNow;
		_logger.LogInformation("Starting seasonal duty farming: {DutyName} (limit: {Limit})", duty.Name, cycleLimit?.ToString(CultureInfo.InvariantCulture) ?? "unlimited");
		EnqueueDutyCycle();
	}

	public void Update()
	{
		if (_currentDuty == null || _movementController.IsPathfinding || _movementController.IsPathRunning)
		{
			return;
		}
		if (_taskQueue.AllTasksComplete)
		{
			_completedCycles++;
			if (_cycleLimit.HasValue && _completedCycles >= _cycleLimit.Value)
			{
				_logger.LogInformation("Seasonal duty cycle limit reached ({Cycles}/{Limit})", _completedCycles, _cycleLimit.Value);
				Stop("Cycle limit reached");
				return;
			}
			EnqueueDutyCycle();
		}
		UpdateCurrentTask();
	}

	private void EnqueueDutyCycle()
	{
		if (_currentDuty != null)
		{
			SeasonalDutyDefinition currentDuty = _currentDuty;
			_logger.LogInformation("Enqueuing seasonal duty cycle for {DutyName}", currentDuty.Name);
			if (_clientState.TerritoryType != currentDuty.TerritoryId && _clientState.TerritoryType != currentDuty.DutyTerritoryId)
			{
				_taskQueue.Enqueue(new AetheryteShortcut.Task(null, null, currentDuty.Aetheryte, currentDuty.TerritoryId));
			}
			if (currentDuty.AethernetShortcut != null)
			{
				_taskQueue.Enqueue(new AethernetShortcut.Task(currentDuty.AethernetShortcut.From, currentDuty.AethernetShortcut.To));
			}
			_taskQueue.Enqueue(new MoveTask(currentDuty.TerritoryId, currentDuty.NpcPosition, null, 3f));
			_taskQueue.Enqueue(new Mount.UnmountTask());
			_taskQueue.Enqueue(new Interact.Task(currentDuty.NpcDataId, null, EInteractionType.Interact, SkipMarkerCheck: true));
			_taskQueue.Enqueue(new WaitCondition.Task(() => _clientState.TerritoryType == _currentDuty.DutyTerritoryId, $"Wait(territory: {currentDuty.DutyTerritoryId})"));
			_taskQueue.Enqueue(new ClearObjectsWithAction.ClearTask(currentDuty.DataIds, currentDuty.Action, currentDuty.DutyTerritoryId, currentDuty.StopDistance, currentDuty.WaypointPositions));
			_taskQueue.Enqueue(new WaitCondition.Task(() => _clientState.TerritoryType != _currentDuty.DutyTerritoryId, "Wait(duty end)"));
			_taskQueue.Enqueue(new WaitAtEnd.WaitDelay(TimeSpan.FromSeconds(3L)));
		}
	}

	public override void Stop(string label)
	{
		if (_currentDuty != null)
		{
			_logger.LogInformation("Stopping seasonal duty farming: {Label} (completed {Cycles} cycles)", label, _completedCycles);
			_currentDuty = null;
			_completedCycles = 0;
			_cycleLimit = null;
			_taskQueue.Reset();
		}
	}

	public override IList<string> GetRemainingTaskNames()
	{
		ITask task = _taskQueue.CurrentTaskExecutor?.CurrentTask;
		if (task != null)
		{
			string text = task.ToString() ?? "?";
			IList<string> remainingTaskNames = base.GetRemainingTaskNames();
			int num = 1 + remainingTaskNames.Count;
			List<string> list = new List<string>(num);
			CollectionsMarshal.SetCount(list, num);
			Span<string> span = CollectionsMarshal.AsSpan(list);
			int num2 = 0;
			span[num2] = text;
			num2++;
			{
				foreach (string item in remainingTaskNames)
				{
					span[num2] = item;
					num2++;
				}
				return list;
			}
		}
		return base.GetRemainingTaskNames();
	}
}