using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using BITFALL.Entities.Inventory;
using BITKit;
using BITKit.Entities.Player;
using UnityEngine;

namespace BITFALL.Trading
{
	public class WorldTrader : MonoBehaviour,ITrader
	{
		public static int GlobalCredit
		{
			get => _GlobalCredit;
			set => _GlobalCredit = Mathf.Clamp(value, 0, 5000);
		}
		private static int _GlobalCredit;

		public int Credit
		{
			get => GlobalCredit;
			set => GlobalCredit = value;
		}
		public IBasicItem[] Items=> inventory.ToArray();

		[SerializeReference,SubclassSelector] private IPlayerService _playerService;
		[SerializeField] private ScriptableItem[] items;

		private readonly List<IBasicItem> inventory = new();

		private void Start()
		{
			foreach (var x in items)
			{
				inventory.Add(x.Clone().As<IBasicItem>());
			}
		}

		public void Trade(IBasicItem[] priceItems, IBasicItem[] tradeItems)
		{
			if (!_playerService.LocalPlayer) return;
			if(_playerService.LocalPlayer.TryGetComponent<IEntityInventory>(out var playerInventory) is false) return;
			
			
			var check = priceItems.Sum(x => x.Value);
			var price = tradeItems.Sum(x => x.Value);

			GlobalCredit -= price;
			GlobalCredit += check - price;
			
			foreach (var x in priceItems)
			{
				playerInventory.Remove(x);
			}
			foreach (var x in tradeItems)
			{
				inventory.Remove(x);
				playerInventory.Add(x.Clone().As<IBasicItem>())
;			}
			foreach (var x in priceItems)
			{
				inventory.Add(x);
			}
		}

		public bool AllowTrade(IBasicItem[] priceItems, IBasicItem[] tradeItems)
		{
			var money = priceItems.Sum(x => x.Value);
			var price = tradeItems.Sum(x => x.Value);
			return money >= price;
		}
	}

}