using System.Collections.Generic;
using System.Numerics;
using Dalamud.Plugin.Services;
using LLib.Shop.Model;
using Lumina.Excel;
using Lumina.Excel.Sheets;

namespace LLib.Shop.Searchers;

internal sealed class GilShopSearcher
{
	private readonly IDataManager _dataManager;

	private readonly NpcPositionCache _positionCache;

	public GilShopSearcher(IDataManager dataManager, NpcPositionCache positionCache)
	{
		_dataManager = dataManager;
		_positionCache = positionCache;
	}

	public List<ShopSearchResult> Search(uint itemId)
	{
		List<ShopSearchResult> list = new List<ShopSearchResult>();
		ExcelSheet<ENpcBase> excelSheet = _dataManager.GetExcelSheet<ENpcBase>();
		SubrowExcelSheet<GilShopItem> subrowExcelSheet = _dataManager.GetSubrowExcelSheet<GilShopItem>();
		if (!_dataManager.GetExcelSheet<Item>().TryGetRow(itemId, out var row))
		{
			return list;
		}
		uint priceMid = row.PriceMid;
		foreach (ENpcBase item in excelSheet)
		{
			if (item.RowId == 0)
			{
				continue;
			}
			(ushort, Vector3)? position = _positionCache.GetPosition(item.RowId);
			if (!position.HasValue)
			{
				continue;
			}
			(ushort, Vector3) valueOrDefault = position.GetValueOrDefault();
			int num = 0;
			foreach (RowRef eNpcDatum in item.ENpcData)
			{
				if (eNpcDatum.RowId >> 16 != 4)
				{
					continue;
				}
				uint rowId = eNpcDatum.RowId;
				if (!subrowExcelSheet.TryGetRow(rowId, out var row2))
				{
					num++;
					continue;
				}
				bool flag = false;
				for (int i = 0; i < row2.Count; i++)
				{
					if (row2[i].Item.RowId == itemId)
					{
						flag = true;
						break;
					}
				}
				if (flag)
				{
					list.Add(new ShopSearchResult(rowId, item.RowId, valueOrDefault.Item1, valueOrDefault.Item2, EShopType.GilShop, priceMid, 1u, num));
				}
				num++;
			}
		}
		return list;
	}
}