using System;
using System.Numerics;
using Dalamud.Game.ClientState.Objects.SubKinds;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;

namespace Questionable.Controller.Steps.Shared;

internal static class SubRegionTransport
{
	internal sealed record Task(Vector3 SourcePosition, Vector3 DestPosition, ushort TerritoryId) : ITask
	{
		public bool ShouldRedoOnInterrupt()
		{
			return true;
		}

		public override string ToString()
		{
			return $"SubRegionTransport({TerritoryId}, {SourcePosition} -> {DestPosition})";
		}
	}

	internal sealed class DoSubRegionTransport(IObjectTable objectTable, ILogger<DoSubRegionTransport> logger) : TaskExecutor<Task>()
	{
		private Vector3 _startPosition;

		private long _startTime;

		protected override bool Start()
		{
			_startPosition = objectTable.LocalPlayer?.Position ?? Vector3.Zero;
			_startTime = Environment.TickCount64;
			logger.LogDebug("SubRegionTransport: Waiting for transport pad activation at {Position}", base.Task.SourcePosition);
			return true;
		}

		public override ETaskResult Update()
		{
			IPlayerCharacter localPlayer = objectTable.LocalPlayer;
			if (localPlayer != null && Vector3.Distance(localPlayer.Position, _startPosition) > 5f)
			{
				logger.LogDebug("SubRegionTransport: Position changed ({Distance:F1}y), transport complete", Vector3.Distance(localPlayer.Position, _startPosition));
				return ETaskResult.TaskComplete;
			}
			if (Environment.TickCount64 - _startTime > 15000)
			{
				logger.LogWarning("SubRegionTransport: Timed out waiting for transport activation");
				return ETaskResult.RetryStep;
			}
			return ETaskResult.StillRunning;
		}

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