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 GCShopSearcher
{
	private static readonly uint[] SealItemIds = new uint[4] { 0u, 20u, 21u, 22u };

	private static readonly uint[] QuartermasterNpcIds = new uint[4] { 0u, 1003251u, 1000394u, 1004416u };

	private readonly IDataManager _dataManager;

	private readonly NpcPositionCache _positionCache;

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

	public List<ShopSearchResult> Search(uint itemId)
	{
		List<ShopSearchResult> list = new List<ShopSearchResult>();
		SubrowExcelSheet<GCScripShopItem> subrowExcelSheet = _dataManager.GetSubrowExcelSheet<GCScripShopItem>();
		ExcelSheet<GCScripShopCategory> excelSheet = _dataManager.GetExcelSheet<GCScripShopCategory>();
		ExcelSheet<GCShop> excelSheet2 = _dataManager.GetExcelSheet<GCShop>();
		Dictionary<uint, uint> dictionary = new Dictionary<uint, uint>();
		foreach (GCShop item in excelSheet2)
		{
			uint rowId = item.GrandCompany.RowId;
			if (rowId != 0)
			{
				dictionary.TryAdd(rowId, item.RowId);
			}
		}
		Dictionary<uint, uint> dictionary2 = new Dictionary<uint, uint>();
		foreach (SubrowCollection<GCScripShopItem> item2 in subrowExcelSheet)
		{
			uint rowId2 = item2.RowId;
			for (int i = 0; i < item2.Count; i++)
			{
				GCScripShopItem gCScripShopItem = item2[i];
				if (gCScripShopItem.Item.RowId != itemId)
				{
					continue;
				}
				uint costGCSeals = gCScripShopItem.CostGCSeals;
				if (!excelSheet.TryGetRow(rowId2, out var row))
				{
					continue;
				}
				uint rowId3 = row.GrandCompany.RowId;
				uint value2;
				if (rowId3 == 0)
				{
					for (uint num = 1u; num < (uint)QuartermasterNpcIds.Length; num++)
					{
						if (!dictionary2.TryGetValue(num, out var value) || costGCSeals < value)
						{
							dictionary2[num] = costGCSeals;
						}
					}
				}
				else if (!dictionary2.TryGetValue(rowId3, out value2) || costGCSeals < value2)
				{
					dictionary2[rowId3] = costGCSeals;
				}
			}
		}
		if (dictionary2.Count == 0)
		{
			return list;
		}
		foreach (var (num4, price) in dictionary2)
		{
			if (num4 >= (uint)QuartermasterNpcIds.Length)
			{
				continue;
			}
			uint num5 = QuartermasterNpcIds[num4];
			if (num5 != 0)
			{
				uint currencyItemId = ((num4 < (uint)SealItemIds.Length) ? SealItemIds[num4] : 0u);
				(ushort, Vector3)? position = _positionCache.GetPosition(num5);
				if (position.HasValue)
				{
					(ushort, Vector3) valueOrDefault = position.GetValueOrDefault();
					dictionary.TryGetValue(num4, out var value3);
					list.Add(new ShopSearchResult(value3, num5, valueOrDefault.Item1, valueOrDefault.Item2, EShopType.GCShop, price, currencyItemId));
				}
			}
		}
		return list;
	}
}