using System.Collections.Generic;
using BlueWater.Npcs.Customers;
using Sirenix.OdinInspector;
using Spine.Unity;
using UnityEngine;

namespace BlueWater
{
    public class BillUi : MonoBehaviour
    {
        [SerializeField]
        private Bill _billPrefab;
        
        [SerializeField]
        private SkeletonGraphic _chain;

        [Title("계산서")]
        [SerializeField]
        private Vector3 _spawnPosition;

        [SerializeField]
        private Transform _spawnLocation;

        [SerializeField]
        private List<BillInfo> _billInfos = new(5);
            
        private Dictionary<Customer, Bill> _customerBillDictionary = new();
        private bool _isMovedChain;

        private const string Move = "Move";

        private void Start()
        {
            EventManager.OnOrderedCocktail += OrderedCocktail;
            EventManager.OnOrderResult += OrderResult;
        }

        private void OnDestroy()
        {
            EventManager.OnOrderedCocktail -= OrderedCocktail;
            EventManager.OnOrderResult -= OrderResult;
        }

        private void OrderedCocktail(Customer customer)
        {
            var instance = Instantiate(_billPrefab, _spawnLocation);
            instance.Initialize(customer, _spawnPosition, _billInfos[0].Position);
            _customerBillDictionary.Add(customer, instance);
            UpdateBillInfo();
        }

        private void OrderResult(Customer customer, bool isSucceed)
        {
            if (_customerBillDictionary.TryGetValue(customer, out Bill bill))
            {
                bill.OrderResult(isSucceed, UpdateBillInfo);
                _customerBillDictionary.Remove(customer);

                UpdateBillInfo();  // Bill이 제거된 후 빈 자리를 업데이트
            }
        }

        private void UpdateBillInfo()
        {
            foreach (var element in _customerBillDictionary.Values)
            {
                for (var i = 0; i < _billInfos.Count; i++)
                {
                    if (element.CurrentBillInfo == _billInfos[i]) break;
                    
                    if (_billInfos[i].IsEmpty)
                    {
                        PlayChainAnimation();
                        element.Move(_billInfos[i]);
                        break;
                    }
                }
            }
            Invoke(nameof(StopChainAnimation), 1f);
        }

        private void PlayChainAnimation()
        {
            _chain.AnimationState.SetAnimation(0, Move, true);
            _isMovedChain = true;
        }

        private void StopChainAnimation()
        {
            if (!_isMovedChain) return;
            
            _chain.AnimationState.ClearTrack(0);
            _isMovedChain = false;
        }
    }
}