using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Runtime.InteropServices;
using Dalamud.Game.ClientState.Conditions;
using Dalamud.Game.ClientState.Objects.SubKinds;
using Dalamud.Plugin.Services;
using Microsoft.Extensions.Logging;
using Questionable.Controller.Steps.Movement;
using Questionable.Functions;
using SmartNav.Data;
using SmartNav.Model;

namespace Questionable.Controller.Steps.Shared;

internal static class AetheryteTeleport
{
	internal sealed record Task(EAetheryteLocation TargetAetheryte, ushort ExpectedTerritoryId) : ISkippableTask, ITask
	{
		public override string ToString()
		{
			return $"UseAetheryte({TargetAetheryte})";
		}
	}

	internal sealed class AetheryteTeleportExecutor(ILogger<AetheryteTeleportExecutor> logger, AetheryteFunctions aetheryteFunctions, IClientState clientState, IObjectTable objectTable, IChatGui chatGui, ICondition condition, AetheryteData aetheryteData) : TaskExecutor<Task>()
	{
		private bool _teleported;

		private long _retryTeleportAt;

		private int _teleportAttempts;

		private const int MaxTeleportAttempts = 3;

		protected override bool Start()
		{
			return true;
		}

		public override ETaskResult Update()
		{
			if (!_teleported)
			{
				if (Environment.TickCount64 < _retryTeleportAt)
				{
					return ETaskResult.StillRunning;
				}
				_teleported = DoTeleport();
				return ETaskResult.StillRunning;
			}
			if (clientState.TerritoryType == base.Task.ExpectedTerritoryId)
			{
				IPlayerCharacter localPlayer = objectTable.LocalPlayer;
				if (localPlayer == null || aetheryteData.CalculateDistance(localPlayer.Position, clientState.TerritoryType, base.Task.TargetAetheryte) <= 50f)
				{
					ResetProgressTimer();
					return ETaskResult.TaskComplete;
				}
			}
			if (base.ProgressContext != null)
			{
				if (base.ProgressContext.WasInterrupted())
				{
					logger.LogDebug("Teleport to {Aetheryte} was interrupted", base.Task.TargetAetheryte);
					return ETaskResult.StillRunning;
				}
				if (base.ProgressContext.WasSuccessful())
				{
					ResetProgressTimer();
				}
			}
			return ETaskResult.StillRunning;
		}

		private bool DoTeleport()
		{
			if (!aetheryteFunctions.CanTeleport(base.Task.TargetAetheryte))
			{
				if (!aetheryteFunctions.IsTeleportUnlocked())
				{
					throw new TaskException("Teleport is not unlocked, attune to any aetheryte first.");
				}
				_retryTeleportAt = Environment.TickCount64 + 1000;
				logger.LogTrace("Waiting for teleport cooldown...");
				return false;
			}
			if (!aetheryteFunctions.IsAetheryteUnlocked(base.Task.TargetAetheryte))
			{
				chatGui.PrintError($"Aetheryte {base.Task.TargetAetheryte} is not unlocked.", "Questionable", 576);
				throw new TaskException("Aetheryte is not unlocked");
			}
			base.ProgressContext = InteractionProgressContext.FromActionUseOrDefault(() => aetheryteFunctions.TeleportAetheryte(base.Task.TargetAetheryte));
			if (base.ProgressContext != null)
			{
				logger.LogInformation("Travelling via aetheryte...");
				return true;
			}
			if (++_teleportAttempts < 3)
			{
				_retryTeleportAt = Environment.TickCount64 + 1000;
				logger.LogWarning("Teleport did not start (attempt {Attempt}/{Max}), retrying...", _teleportAttempts, 3);
				return false;
			}
			chatGui.Print("Unable to teleport to aetheryte.", "Questionable", 576);
			throw new TaskException("Unable to teleport to aetheryte");
		}

		public override bool WasInterrupted()
		{
			if (!condition[ConditionFlag.InCombat])
			{
				return base.WasInterrupted();
			}
			return true;
		}

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

	internal sealed record MoveAwayFromAetheryte(EAetheryteLocation TargetAetheryte) : ITask
	{
		public override string ToString()
		{
			return $"MoveAway({TargetAetheryte})";
		}
	}

	internal sealed class MoveAwayFromAetheryteExecutor(MoveExecutor moveExecutor, AetheryteData aetheryteData, IClientState clientState, IObjectTable objectTable) : TaskExecutor<MoveAwayFromAetheryte>()
	{
		private static readonly Dictionary<EAetheryteLocation, List<Vector3>> AetherytesToMoveFrom;

		public static bool AppliesTo(EAetheryteLocation location)
		{
			return AetherytesToMoveFrom.ContainsKey(location);
		}

		protected override bool Start()
		{
			IPlayerCharacter localPlayer = objectTable.LocalPlayer;
			if (localPlayer == null)
			{
				return false;
			}
			Vector3 playerPosition = localPlayer.Position;
			if (aetheryteData.CalculateDistance(playerPosition, clientState.TerritoryType, base.Task.TargetAetheryte) >= 20f)
			{
				return false;
			}
			Vector3 destination = AetherytesToMoveFrom[base.Task.TargetAetheryte].MinBy((Vector3 x) => Vector3.Distance(x, playerPosition));
			MoveTask task = new MoveTask(aetheryteData.TerritoryIds[base.Task.TargetAetheryte], destination, false, MountRequired: false, DismountRequired: false, 0.25f, null, DisableNavmesh: true, null, Fly: false, Land: false, IgnoreDistanceToObject: false, RestartNavigation: false);
			return moveExecutor.Start(task);
		}

		public override ETaskResult Update()
		{
			return moveExecutor.Update();
		}

		public override bool ShouldInterruptOnDamage()
		{
			return true;
		}

		static MoveAwayFromAetheryteExecutor()
		{
			Dictionary<EAetheryteLocation, List<Vector3>> dictionary = new Dictionary<EAetheryteLocation, List<Vector3>>();
			int num = 4;
			List<Vector3> list = new List<Vector3>(num);
			CollectionsMarshal.SetCount(list, num);
			Span<Vector3> span = CollectionsMarshal.AsSpan(list);
			span[0] = new Vector3(0f, 8.8f, 15.5f);
			span[1] = new Vector3(0f, 8.8f, -15.5f);
			span[2] = new Vector3(15.5f, 8.8f, 0f);
			span[3] = new Vector3(-15.5f, 8.8f, 0f);
			dictionary.Add(EAetheryteLocation.SolutionNine, list);
			AetherytesToMoveFrom = dictionary;
		}
	}
}