using System.Collections;
using System.Collections.Generic;
using System.Linq;
using BITFALL.Entities.Equipment.Melee;
using BITFALL.Entities.Equipment.Universal.States;
using BITFALL.Player.Inventory;
using BITKit;
using BITKit.Entities;
using BITKit.StateMachine;
using Cysharp.Threading.Tasks;
using UnityEngine;
using Draw = BITFALL.Entities.Equipment.Universal.States.Draw;

namespace BITFALL.Entities.Equipment.Universal
{
    public interface IUseState:IState{}
    public abstract class UseState : IUseState
    {
        [SerializeField] protected UniversalUseController useController;
        public virtual bool Enabled { get; set; }
        public virtual void Initialize()
        {
            
        }

        public virtual void OnStateEntry(IState old)
        {
        }

        public virtual void OnStateUpdate(float deltaTime)
        {
        }

        public virtual void OnStateExit(IState old, IState newState)
        {
        }
    }

    public class UniversalUseController : BITEquipBase<IUseState>
    {
        [SerializeField] private IAssetableItem[] supportedItems;
        
        public override bool IsSupportItem(IBasicItem _item)
        {
            return _item is not null && supportedItems.Any(x=>x.AddressablePath == _item.AddressablePath);
        }
        public override void Entry()
        {
            base.Entry();
            TransitionState<Draw>();
        }

        public override void Exit()
        {
            base.Exit();
            TransitionState<Exit>();
        }

        public override async UniTask ExitAsync()
        {
            await base.ExitAsync();
            
            while (destroyCancellationToken.IsCancellationRequested is false)
            {
                if (animator[0].stateName == BITConstant.Player.Exit && animator[0].currentState.normalizedTime > 1)
                {
                    break;
                }
                if (destroyCancellationToken.IsCancellationRequested)
                {
                    break;
                }
                await UniTask.NextFrame();
            }
        }
    }
}