using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Client.Game;
using FFXIVClientStructs.FFXIV.Client.Game.UI;
using Lumina.Excel.Sheets;
using Microsoft.Extensions.Logging;

namespace LLib.GameData;

public sealed class TeleportHelper
{
	private const uint TeleportAction = 5u;

	private readonly GameStateHelper _gameState;

	private readonly ILogger<TeleportHelper> _logger;

	private readonly uint _teleportUnlockLink;

	public TeleportHelper(IDataManager dataManager, GameStateHelper gameState, ILogger<TeleportHelper> logger)
	{
		_gameState = gameState;
		_logger = logger;
		_teleportUnlockLink = dataManager.GetExcelSheet<Action>().GetRow(5u).UnlockLink.RowId;
	}

	public unsafe bool IsAetheryteUnlocked(uint aetheryteId)
	{
		UIState* ptr = UIState.Instance();
		if (ptr != null)
		{
			return ptr->IsAetheryteUnlocked(aetheryteId);
		}
		return false;
	}

	public unsafe bool CanTeleport()
	{
		ActionManager* ptr = ActionManager.Instance();
		if (ptr != null)
		{
			return ptr->GetActionStatus(ActionType.Action, 5u, 3758096384uL, checkRecastActive: true, checkCastingActive: true, null) == 0;
		}
		return false;
	}

	public unsafe bool IsTeleportUnlocked()
	{
		UIState* ptr = UIState.Instance();
		if (ptr != null)
		{
			return ptr->IsUnlockLinkUnlocked(_teleportUnlockLink);
		}
		return false;
	}

	public unsafe bool IsFreeAetheryte(uint aetheryteId)
	{
		PlayerState* ptr = PlayerState.Instance();
		if (ptr != null)
		{
			if (ptr->FreeAetheryteId != aetheryteId && ptr->FreeAetherytePSPlus != aetheryteId)
			{
				return ptr->FreeAetheryteNSO == aetheryteId;
			}
			return true;
		}
		return false;
	}

	public unsafe bool Teleport(uint aetheryteId, byte subIndex = 0)
	{
		if (!IsTeleportUnlocked())
		{
			_logger.LogWarning("Teleport action is not unlocked; skipping teleport to {Id}", aetheryteId);
			return false;
		}
		if (!CanTeleport())
		{
			_logger.LogDebug("Teleport to {Id} blocked: action on cooldown", aetheryteId);
			return false;
		}
		if (!IsAetheryteUnlocked(aetheryteId))
		{
			_logger.LogWarning("Aetheryte {Id} is not unlocked; skipping teleport", aetheryteId);
			return false;
		}
		if (_gameState.IsLoadingScreenVisible())
		{
			_logger.LogDebug("Skipping teleport to {Id}: loading screen visible", aetheryteId);
			return false;
		}
		Telepo* ptr = Telepo.Instance();
		if (ptr == null)
		{
			return false;
		}
		_logger.LogInformation("Teleporting to aetheryte {Id}", aetheryteId);
		return ptr->Teleport(aetheryteId, subIndex);
	}
}