using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using BITKit;
using UnityEngine;

namespace BITFALL.Items
{
	public class WorldItemContainer : MonoBehaviour,IBasicItemContainer,IDescription
	{
		[SerializeField] private string containerName;
		public string Name => containerName;
		private readonly Dictionary<int,IBasicItem> _items = new();
		public int Id => GetInstanceID();
		public bool TryGetItem(Func<IBasicItem, bool> func, out IBasicItem item)
		{
			if (_items.Values.TryGetAny(func.Invoke,out item))
			{
				return true;
			}
			item=null;
			return false;
		}

		public IBasicItem[] GetItems()=>_items.Values.ToArray();
 
		public bool Add(IBasicItem item)
		{
			if (AddFactory.CastAsFunc().Any(x=>x.Invoke(item) is false)) return false;
			if (_items.ContainsKey(item.Id)) return false;
			_items.Add(item.Id,item);
			OnAdd?.Invoke(item);
			OnSet?.Invoke(item);
			return true;
		}

		public bool Remove(IBasicItem item)
		{
			return Remove(item.Id);
		}
		public bool Remove(int id)
		{
			if (RemoveFactory.CastAsFunc().Any(x=>x.Invoke(_items[id]) is false)) return false;
			if (!_items.Remove(id)) return false;
			OnRemove?.Invoke(_items[id]);
			return true;
		}

		public bool Remove(Func<IBasicItem, bool> removeFactory)
		{
			return _items.Values.TryGetAny(removeFactory.Invoke,out var item) && Remove(item);
		}

		public bool Drop(int Id)
		{
			throw new NotImplementedException();
		}
		public bool DropOrSpawn(IBasicItem item)
		{
			throw new NotImplementedException();
		}
		public event Func<IBasicItem, bool> AddFactory;
		public event Func<IBasicItem, bool> RemoveFactory;
		public event Func<IBasicItem, bool> DropFactory;
		public event Action<IBasicItem> OnAdd;
		public event Action<IBasicItem> OnRemove;
		public event Action<IBasicItem> OnSet;
		public event Action<IBasicItem> OnDrop;
		public event Action<IBasicItemContainer> OnRebuild;
		
	}
}