using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Dalamud.Game.ClientState.Conditions;
using Dalamud.Game.ClientState.Objects.SubKinds;
using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Client.Game;
using FFXIVClientStructs.FFXIV.Client.Game.Character;
using FFXIVClientStructs.FFXIV.Component.GUI;
using LLib.GameUI;
using Lumina.Excel.Sheets;
using Microsoft.Extensions.Logging;

namespace LLib.GameData;

public sealed class GameStateHelper
{
	private readonly IDataManager _dataManager;

	private readonly IClientState _clientState;

	private readonly ICondition _condition;

	private readonly IObjectTable _objectTable;

	private readonly IGameGui _gameGui;

	private readonly ILogger<GameStateHelper> _logger;

	private readonly ReadOnlyDictionary<uint, uint> _territoryToAetherCurrentCompFlgSet;

	public GameStateHelper(IDataManager dataManager, IClientState clientState, ICondition condition, IObjectTable objectTable, IGameGui gameGui, ILogger<GameStateHelper> logger)
	{
		_dataManager = dataManager;
		_clientState = clientState;
		_condition = condition;
		_objectTable = objectTable;
		_gameGui = gameGui;
		_logger = logger;
		_territoryToAetherCurrentCompFlgSet = (from x in dataManager.GetExcelSheet<TerritoryType>()
			where x.RowId != 0
			where x.AetherCurrentCompFlgSet.RowId != 0
			select x).ToDictionary((TerritoryType x) => x.RowId, (TerritoryType x) => x.AetherCurrentCompFlgSet.RowId).AsReadOnly();
	}

	public bool IsFlyingUnlocked(uint territoryId)
	{
		if (_territoryToAetherCurrentCompFlgSet.TryGetValue(territoryId, out var value))
		{
			return PlayerStateHelper.IsAetherCurrentZoneComplete(value);
		}
		return false;
	}

	public bool IsFlyingUnlockedInCurrentZone()
	{
		return IsFlyingUnlocked(_clientState.TerritoryType);
	}

	public unsafe ushort? GetMountId()
	{
		IPlayerCharacter localPlayer = _objectTable.LocalPlayer;
		if (localPlayer == null)
		{
			return null;
		}
		BattleChara* address = (BattleChara*)localPlayer.Address;
		if (address == null || address->Mount.MountId == 0)
		{
			return null;
		}
		return address->Mount.MountId;
	}

	public unsafe bool HasStatusPreventingMount()
	{
		if (_condition[ConditionFlag.Swimming] && !IsFlyingUnlockedInCurrentZone())
		{
			return true;
		}
		if (!PlayerStateHelper.IsAnyMountUnlocked())
		{
			return true;
		}
		IPlayerCharacter localPlayer = _objectTable.LocalPlayer;
		if (localPlayer == null)
		{
			return false;
		}
		BattleChara* address = (BattleChara*)localPlayer.Address;
		StatusManager* statusManager = address->GetStatusManager();
		if (statusManager->HasStatus(1151u) || statusManager->HasStatus(1945u))
		{
			return true;
		}
		return HasStatusPreventingMountOrSprint();
	}

	public bool HasStatusPreventingSprint()
	{
		return HasStatusPreventingMountOrSprint();
	}

	public unsafe bool Mount(uint preferredMountId = 0u)
	{
		if (_condition[ConditionFlag.Mounted])
		{
			return true;
		}
		if (HasStatusPreventingMount())
		{
			_logger.LogDebug("Cannot mount: status or condition prevents it");
			return false;
		}
		if (preferredMountId != 0 && PlayerStateHelper.IsMountUnlocked(preferredMountId))
		{
			if (ActionManager.Instance()->GetActionStatus(ActionType.Mount, preferredMountId, 3758096384uL, checkRecastActive: true, checkCastingActive: true, null) == 0)
			{
				_logger.LogDebug("Attempting preferred mount {Id}", preferredMountId);
				if (ActionManager.Instance()->UseAction(ActionType.Mount, preferredMountId, 3758096384uL, 0u, ActionManager.UseActionMode.None, 0u, null))
				{
					_logger.LogInformation("Mounted (preferred {Id})", preferredMountId);
					return true;
				}
			}
			return false;
		}
		if (ActionManager.Instance()->GetActionStatus(ActionType.GeneralAction, 9u, 3758096384uL, checkRecastActive: true, checkCastingActive: true, null) == 0)
		{
			_logger.LogDebug("Attempting mount roulette");
			if (ActionManager.Instance()->UseAction(ActionType.GeneralAction, 9u, 3758096384uL, 0u, ActionManager.UseActionMode.None, 0u, null))
			{
				_logger.LogInformation("Mounted (roulette)");
				return true;
			}
		}
		return false;
	}

	public unsafe bool Unmount()
	{
		if (!_condition[ConditionFlag.Mounted])
		{
			return true;
		}
		if (ActionManager.Instance()->GetActionStatus(ActionType.GeneralAction, 23u, 3758096384uL, checkRecastActive: true, checkCastingActive: true, null) != 0)
		{
			_logger.LogDebug("Cannot unmount: action on cooldown");
			return false;
		}
		_logger.LogDebug("Attempting dismount");
		if (ActionManager.Instance()->UseAction(ActionType.GeneralAction, 23u, 3758096384uL, 0u, ActionManager.UseActionMode.None, 0u, null))
		{
			_logger.LogInformation("Unmounted");
			return true;
		}
		return false;
	}

	public unsafe int? GetFreeInventorySlots()
	{
		InventoryManager* ptr = InventoryManager.Instance();
		if (ptr == null)
		{
			return null;
		}
		int num = 0;
		for (InventoryType inventoryType = InventoryType.Inventory1; inventoryType <= InventoryType.Inventory4; inventoryType++)
		{
			InventoryContainer* inventoryContainer = ptr->GetInventoryContainer(inventoryType);
			if (inventoryContainer == null)
			{
				return null;
			}
			for (int i = 0; i < inventoryContainer->Size; i++)
			{
				InventoryItem* inventorySlot = inventoryContainer->GetInventorySlot(i);
				if (inventorySlot == null || inventorySlot->ItemId == 0)
				{
					num++;
				}
			}
		}
		return num;
	}

	public uint GetItemLevel(uint itemId)
	{
		return _dataManager.GetExcelSheet<Item>().GetRowOrDefault(itemId)?.LevelItem.RowId ?? 0;
	}

	public unsafe bool IsLoadingScreenVisible()
	{
		if (_gameGui.TryGetAddonByName<AtkUnitBase>("FadeMiddle", out var addonPtr) && LAddon.IsAddonReady(addonPtr) && addonPtr->IsVisible)
		{
			return true;
		}
		if (_gameGui.TryGetAddonByName<AtkUnitBase>("FadeBack", out addonPtr) && LAddon.IsAddonReady(addonPtr) && addonPtr->IsVisible)
		{
			return true;
		}
		if (_gameGui.TryGetAddonByName<AtkUnitBase>("NowLoading", out addonPtr) && LAddon.IsAddonReady(addonPtr) && addonPtr->IsVisible)
		{
			return true;
		}
		return false;
	}

	private unsafe bool HasStatusPreventingMountOrSprint()
	{
		IPlayerCharacter localPlayer = _objectTable.LocalPlayer;
		if (localPlayer == null)
		{
			return false;
		}
		BattleChara* address = (BattleChara*)localPlayer.Address;
		StatusManager* statusManager = address->GetStatusManager();
		if (!statusManager->HasStatus(565u) && !statusManager->HasStatus(404u) && !statusManager->HasStatus(416u) && !statusManager->HasStatus(2729u))
		{
			return statusManager->HasStatus(2730u);
		}
		return true;
	}
}