using System;
using System.Collections;
using BlueWater.Interfaces;
using BlueWater.Npcs.Crews;
using BlueWater.Npcs.Crews.Server;
using BlueWater.Npcs.Customers;
using BlueWater.Utility;
using UnityEngine;
using UnityEngine.Serialization;

namespace BlueWater.Tycoons
{
    public class ServingTable : InteractionFurniture, ICrewInteraction
    {
        [FormerlySerializedAs("_cocktailGlassImage")]
        [SerializeField]
        protected SpriteRenderer CocktailGlassImage;
        
        // 서빙 테이블 기준 아이템이 있는지 없는지
        private IPickup _currentPickupItem;
        public IPickup CurrentPickupItem
        {
            get => _currentPickupItem;
            set
            {
                _currentPickupItem = value;

                if (_currentPickupItem != null)
                {
                    Utils.StartUniqueCoroutine(this, ref _findCustomerMatchingItemInstance, FindCustomerMatchingItem());
                }
                else
                {
                    if (_findCustomerMatchingItemInstance != null)
                    {
                        StopCoroutine(_findCustomerMatchingItemInstance);
                        _findCustomerMatchingItemInstance = null;
                    }
                    if (_findServerCrewInstance != null)
                    {
                        StopCoroutine(_findServerCrewInstance);
                        _findServerCrewInstance = null;
                    }
                }
            }
        }
        
        protected Customer OrderedCustomer;
        private Material _originalCocktailGlassMaterial;
        private Coroutine _findCustomerMatchingItemInstance;
        private Coroutine _findServerCrewInstance;
        
        public event Action OnInteractionCompleted;

        protected override void Awake()
        {
            base.Awake();

            _originalCocktailGlassMaterial = CocktailGlassImage.material;
        }

        public override void Interaction()
        {
            // 테이블의 칵테일을 가져가는 경우
            if (CurrentPickupItem != null)
            {
                CurrentTycoonPlayer.TycoonPickupHandler.PickupItem(CurrentPickupItem);
                CurrentTycoonPlayer.InteractionCanvas.BalloonUi.SetItemImage(CurrentPickupItem);
                CocktailGlassImage.enabled = false;
                InteractionCanvas.BalloonUi.DiscardItem();
                CurrentPickupItem = null;
                OrderedCustomer = null;
            }
            // 테이블에 칵테일을 놓는 경우
            else
            {
                EventManager.InvokePlaceOnServingTable();
                CurrentPickupItem = CurrentTycoonPlayer.TycoonPickupHandler.GetCurrentPickupItem();
                InteractionCanvas.BalloonUi.SetItemImage(CurrentPickupItem);
                CurrentTycoonPlayer.TycoonPickupHandler.DiscardItem();
                CurrentTycoonPlayer.InteractionCanvas.BalloonUi.DiscardItem();
                CocktailGlassImage.enabled = true;
            }
        }
        
        public override bool CanInteraction()
        {
            // 1. 테이블에 칵테일이 있고, 플레이어가 칵테일을 들고 있지 않은 경우
            // 2. 테이블에 칵테일이 없고, 플레이어가 칵테일을 들고 있는 경우 (정상적인 칵테일만)
            return (CurrentPickupItem != null && !CurrentTycoonPlayer.TycoonPickupHandler.IsPickedUpCocktail()) ||
                   (CurrentPickupItem == null && CurrentTycoonPlayer.TycoonPickupHandler.IsServablePickupItem());
        }
        
        public override void ShowInteractionUi()
        {
            InteractionMessage = CurrentPickupItem != null ? "음료 들기" : "음료 내려놓기";
            base.ShowInteractionUi();
            
            CocktailGlassImage.material = OutlineMaterial;
        }

        public override void HideInteractionUi()
        {
            base.HideInteractionUi();
            
            CocktailGlassImage.material = _originalCocktailGlassMaterial;
        }

        public void InteractionCrew(Crew crew)
        {
            // 종업원이 테이블의 칵테일을 가져가는 경우
            if (CurrentPickupItem != null)
            {
                var serverCrew = (ServerCrew)crew;
                serverCrew.TakeFromServingTable(CurrentPickupItem, OrderedCustomer);
                CocktailGlassImage.enabled = false;
                InteractionCanvas.BalloonUi.DiscardItem();
                CurrentPickupItem = null;
                OrderedCustomer = null;
            }
            // 종업원이 테이블에 칵테일을 놓는 경우
            else
            {
                var serverCrew = (ServerCrew)crew;
                CurrentPickupItem = serverCrew.CurrentPickupItem;
                CocktailGlassImage.enabled = true;
                InteractionCanvas.BalloonUi.SetItemImage(CurrentPickupItem);
                serverCrew.ResetMission();
            }
        }

        public void CancelInteractionCrew()
        {
            throw new NotImplementedException();
        }

        public virtual bool CanInteractionCrew(Crew crew = null)
        {
            var servingCrew = (ServerCrew)crew;
            if (!servingCrew)
            {
                throw new Exception("상호작용 오브젝트 오류");
            }
            
            return (servingCrew.CurrentActionType == ActionType.TakeCocktail && CurrentPickupItem != null && OrderedCustomer) ||
                   servingCrew.CurrentActionType == ActionType.PlaceOnServingTable && CurrentPickupItem == null;
        }

        private IEnumerator FindCustomerMatchingItem()
        {
            var waitTime = new WaitForSeconds(2f);
            while (true)
            {
                OrderedCustomer = TycoonManager.Instance.CustomerController.FindCustomerMatchingItem(_currentPickupItem);
                if (OrderedCustomer && OrderedCustomer.CanInteractionCrew())
                {
                    var crewController = TycoonManager.Instance.CrewController;
                    Utils.StartUniqueCoroutine(this, ref _findServerCrewInstance,
                        crewController.FindClosestCrewCoroutine(CenterTransform.position, crewController.ServerCrews,
                            crew => crew.OnMission(this, OrderedCustomer, ActionType.TakeCocktail)));
                }
                
                yield return waitTime;
            }
        }
    }
}