using System.Collections.Generic;
using UnityEngine;

namespace DDD
{
    public class TodayMenuView : MonoBehaviour, IEventHandler<TodayMenuChangedEvent>
    {
        [SerializeField] private GameObject _slotPrefab;
        
        [SerializeField] private Transform _todayFoodContent;
        [SerializeField] private Transform _todayDrinkContent;
        
        private List<ItemSlotUi> _foodSlots;
        private List<ItemSlotUi> _drinkSlots;

        private TodayMenuDataSo _todayMenuDataSo;

        private async void Start()
        {
            EventBus.Register<TodayMenuChangedEvent>(this);
            
            _todayMenuDataSo = await AssetManager.LoadAsset<TodayMenuDataSo>(DataConstants.TodayMenuDataSo);
            
            foreach (Transform child in _todayFoodContent)
            {
                Destroy(child.gameObject);
            }

            int maxFoodCount = _todayMenuDataSo.MaxFoodCount;
            _foodSlots = new List<ItemSlotUi>(maxFoodCount);
            for (int i = 0; i < _todayMenuDataSo.MaxFoodCount; i++)
            {
                var go = Instantiate(_slotPrefab, _todayFoodContent);
                var slot = go.GetComponent<ItemSlotUi>();
                slot.Initialize(null);
                slot.SetEmptyFood();
                _foodSlots.Add(slot);
            }
            
            foreach (Transform child in _todayDrinkContent)
            {
                Destroy(child.gameObject);
            }
            
            int maxDrinkCount = _todayMenuDataSo.MaxDrinkCount;
            _drinkSlots = new List<ItemSlotUi>(maxDrinkCount);
            for (int i = 0; i < _todayMenuDataSo.MaxDrinkCount; i++)
            {
                var go = Instantiate(_slotPrefab, _todayDrinkContent);
                var slot = go.GetComponent<ItemSlotUi>();
                slot.Initialize(null);
                slot.SetEmptyDrink();
                _drinkSlots.Add(slot);
            }
            
            //RefreshView();
        }

        private void OnDestroy()
        {
            EventBus.Unregister<TodayMenuChangedEvent>(this);
        }

        public void Invoke(TodayMenuChangedEvent evt) => RefreshView();

        private void RefreshView()
        {
            for (int i = 0; i < _foodSlots.Count; i++)
            {
                if (i < _todayMenuDataSo.FoodRecipeIds.Count)
                {
                    string recipeId = _todayMenuDataSo.FoodRecipeIds[i];
                    var recipe = DataManager.Instance.RecipeDataSo.GetDataById(recipeId);
                    var item = InventoryManager.Instance.GetItemDataByIdOrNull(recipeId);

                    var model = new ItemViewModel
                    {
                        Id = recipeId,
                        Icon = DataManager.Instance.GetSprite(recipeId),
                        ItemType = item.ItemType,
                        NameKey = DataManager.Instance.FoodDataSo.GetDataById(recipe.ItemKey).NameKey,
                        DescriptionKey = DataManager.Instance.FoodDataSo.GetDataById(recipe.ItemKey).DescriptionKey
                    };

                    _foodSlots[i].Initialize(model);
                    //_foodSlots[i].SetMark(true); // 등록 상태 마크
                }
                else
                {
                    //_foodSlots[i].gameObject.SetActive(false); // 또는 Clear()
                }
            }

            for (int i = 0; i < _drinkSlots.Count; i++)
            {
                if (i < _todayMenuDataSo.DrinkRecipeIds.Count)
                {
                    string recipeId = _todayMenuDataSo.DrinkRecipeIds[i];
                    var recipe = DataManager.Instance.RecipeDataSo.GetDataById(recipeId);
                    var item = InventoryManager.Instance.GetItemDataByIdOrNull(recipeId);

                    var model = new ItemViewModel
                    {
                        Id = recipeId,
                        Icon = DataManager.Instance.GetSprite(recipeId),
                        ItemType = item.ItemType,
                        NameKey = DataManager.Instance.DrinkDataSo.GetDataById(recipe.ItemKey).NameKey,
                        DescriptionKey = DataManager.Instance.DrinkDataSo.GetDataById(recipe.ItemKey).DescriptionKey
                    };

                    _drinkSlots[i].Initialize(model);
                    //_drinkSlots[i].SetMark(true);
                }
                else
                {
                    //_drinkSlots[i].gameObject.SetActive(false);
                }
            }
        }
    }
}