using System;
using System.Collections.Generic;
using FFXIVClientStructs.FFXIV.Client.Game;

namespace LLib.Inventory;

public static class InventoryContainers
{
	public static ReadOnlySpan<InventoryType> Bags => new InventoryType[4]
	{
		InventoryType.Inventory1,
		InventoryType.Inventory2,
		InventoryType.Inventory3,
		InventoryType.Inventory4
	};

	public static ReadOnlySpan<InventoryType> ArmouryMainHand => new InventoryType[1] { InventoryType.ArmoryMainHand };

	public static ReadOnlySpan<InventoryType> ArmouryOffHand => new InventoryType[1] { InventoryType.ArmoryOffHand };

	public static ReadOnlySpan<InventoryType> ArmouryLeftSide => new InventoryType[5]
	{
		InventoryType.ArmoryHead,
		InventoryType.ArmoryBody,
		InventoryType.ArmoryHands,
		InventoryType.ArmoryLegs,
		InventoryType.ArmoryFeets
	};

	public static ReadOnlySpan<InventoryType> ArmouryRightSide => new InventoryType[4]
	{
		InventoryType.ArmoryEar,
		InventoryType.ArmoryNeck,
		InventoryType.ArmoryWrist,
		InventoryType.ArmoryRings
	};

	public static ReadOnlySpan<InventoryType> SaddleBag => new InventoryType[2]
	{
		InventoryType.SaddleBag1,
		InventoryType.SaddleBag2
	};

	public static ReadOnlySpan<InventoryType> PremiumSaddleBag => new InventoryType[2]
	{
		InventoryType.PremiumSaddleBag1,
		InventoryType.PremiumSaddleBag2
	};

	public unsafe static int CountFreeSlots(ReadOnlySpan<InventoryType> containers)
	{
		InventoryManager* ptr = InventoryManager.Instance();
		if (ptr == null)
		{
			return 0;
		}
		int num = 0;
		ReadOnlySpan<InventoryType> readOnlySpan = containers;
		for (int i = 0; i < readOnlySpan.Length; i++)
		{
			InventoryType inventoryType = readOnlySpan[i];
			InventoryContainer* inventoryContainer = ptr->GetInventoryContainer(inventoryType);
			if (inventoryContainer == null)
			{
				continue;
			}
			for (int j = 0; j < inventoryContainer->Size; j++)
			{
				InventoryItem* inventorySlot = inventoryContainer->GetInventorySlot(j);
				if (inventorySlot == null || inventorySlot->ItemId == 0)
				{
					num++;
				}
			}
		}
		return num;
	}

	public unsafe static int CountItems(uint itemId, ReadOnlySpan<InventoryType> containers)
	{
		InventoryManager* ptr = InventoryManager.Instance();
		if (ptr == null)
		{
			return 0;
		}
		int num = 0;
		ReadOnlySpan<InventoryType> readOnlySpan = containers;
		for (int i = 0; i < readOnlySpan.Length; i++)
		{
			InventoryType inventoryType = readOnlySpan[i];
			InventoryContainer* inventoryContainer = ptr->GetInventoryContainer(inventoryType);
			if (inventoryContainer == null)
			{
				continue;
			}
			for (int j = 0; j < inventoryContainer->Size; j++)
			{
				InventoryItem* inventorySlot = inventoryContainer->GetInventorySlot(j);
				if (inventorySlot != null && inventorySlot->ItemId == itemId)
				{
					num += inventorySlot->Quantity;
				}
			}
		}
		return num;
	}

	public unsafe static List<InventoryItem> GetHqItems(ReadOnlySpan<InventoryType> containers)
	{
		List<InventoryItem> list = new List<InventoryItem>();
		InventoryManager* ptr = InventoryManager.Instance();
		if (ptr == null)
		{
			return list;
		}
		ReadOnlySpan<InventoryType> readOnlySpan = containers;
		for (int i = 0; i < readOnlySpan.Length; i++)
		{
			InventoryType inventoryType = readOnlySpan[i];
			InventoryContainer* inventoryContainer = ptr->GetInventoryContainer(inventoryType);
			if (inventoryContainer == null)
			{
				continue;
			}
			for (int j = 0; j < inventoryContainer->Size; j++)
			{
				InventoryItem* inventorySlot = inventoryContainer->GetInventorySlot(j);
				if (inventorySlot != null && inventorySlot->ItemId != 0 && (inventorySlot->Flags & InventoryItem.ItemFlags.HighQuality) != InventoryItem.ItemFlags.None)
				{
					list.Add(*inventorySlot);
				}
			}
		}
		return list;
	}
}