using System.Collections.Generic;
using System.Linq;
using Sirenix.OdinInspector;
using UnityEngine;

namespace DDD
{
    public class RestaurantManagementState : ScriptableObject
    {
        // TODO : 데이터에서 초기화하고, 동적으로 변경
        [Title("오늘의 레스토랑 상태")]
        public int MaxFoodCount = 8;
        public int MaxDrinkCount = 6;
        public int MaxCookwareCount = 6;

        [Title("체크리스트 조건")]
        public int ChecklistFoodCount = 1;
        public int ChecklistCookwareCount = 1;
        public int ChecklistMatchedMenuWithCookwareCount = 1;

        [Title("실시간 데이터")]
        [ReadOnly, SerializeField] private bool _isOpenable;
        [ReadOnly, ShowInInspector] private Dictionary<string, int> _todayFoodRecipeIds = new();
        [ReadOnly, ShowInInspector] private Dictionary<string, int> _todayDrinkRecipeIds = new();
        [ReadOnly, ShowInInspector] private List<string> _todayWorkerIds = new();
        [ReadOnly, ShowInInspector] private Dictionary<string, HashSet<string>> _cookwareToRecipeIds = new();

        public IReadOnlyDictionary<string, int> TodayFoodRecipeIds => _todayFoodRecipeIds;
        public IReadOnlyDictionary<string, int> TodayDrinkRecipeIds => _todayDrinkRecipeIds;
        public IReadOnlyList<string> TodayWorkerIds => _todayWorkerIds;
        public IReadOnlyDictionary<string, HashSet<string>> CookwareToRecipeIds => _cookwareToRecipeIds;

        public int AddedTodayMenuCount => AddedTodayFoodCount + AddedTodayDrinkCount;
        public int AddedTodayFoodCount => _todayFoodRecipeIds.Count;
        public int AddedTodayDrinkCount => _todayDrinkRecipeIds.Count;
        public int AddedTodayWorkerCount => _todayWorkerIds.Count;
        public int AddedTodayCookwareCount => _cookwareToRecipeIds.Count;
        public int MatchedTodayMenuWithCookwareCount => _cookwareToRecipeIds.Values.Count(recipeSet => recipeSet.Count > 0);

        public void InitializeReadyForRestaurant()
        {
            // TODO : Load from disk if possible (save data)
            _todayFoodRecipeIds.Clear();
            _todayDrinkRecipeIds.Clear();
            _todayWorkerIds.Clear();
            _cookwareToRecipeIds.Clear();
        }

        /// <summary>
        /// 체크리스트 항목들의 상태를 확인하는 메서드
        /// </summary>
        /// <returns>체크리스트 완료 여부 배열 (순서: 음식레시피, 조리도구, 매칭여부)</returns>
        public bool[] GetChecklistStates()
        {
            bool hasFood = HasFoodRecipes();
            bool hasCookware = HasCookwares();
            bool hasMatching = HasMatchedMenuWithCookware();

            return new bool[] { hasFood, hasCookware, hasMatching };
        }

        public bool HasFoodRecipes()
        {
            return _todayFoodRecipeIds.Count > 0;
        }

        public bool HasCookwares()
        {
            return _cookwareToRecipeIds.Count > 0;
        }

        public bool HasMatchedMenuWithCookware()
        {
            return _cookwareToRecipeIds.Values.Any(recipeSet => recipeSet.Count > 0);
        }

        public bool IsOpenable()
        {
            // TODO : 영업 가능한 상태인지 조건 추가 (최소 요리, 요리도구 배치 등)
            bool isExistedCookware = CookwareToRecipeIds.Count > 0;
            bool isExistedMatchedMenu = _cookwareToRecipeIds.Values.Any(recipeSet => recipeSet is { Count: > 0 });

            _isOpenable = isExistedCookware && isExistedMatchedMenu;
            return _isOpenable;
        }

        public RestaurantManagementData GetManagementData()
        {
            return RestaurantController.Instance.RestaurantData.ManagementData;
        }

        public bool TryAddTodayMenu(ItemViewModel model)
        {
            string recipeId = model.Id;

            if (model.ItemType != ItemType.Recipe) return false;

            if (DataManager.Instance.GetDataSo<RecipeDataSo>().TryGetDataById(recipeId, out RecipeData recipeData) == false) return false;

            bool added = false;

            if (recipeData.RecipeType == RecipeType.FoodRecipe)
            {
                if (_todayFoodRecipeIds.Count >= MaxFoodCount || _todayFoodRecipeIds.ContainsKey(recipeId)) return false;

                var foodData = DataManager.Instance.GetDataSo<FoodDataSo>().GetDataById(recipeData.RecipeResult);
                var craftableCount = foodData.GetCraftableCount();
                foodData.ConsumeAllCraftableIngredients();

                _todayFoodRecipeIds[recipeId] = craftableCount;
                added = true;
            }
            else if (recipeData.RecipeType == RecipeType.DrinkRecipe)
            {
                if (_todayDrinkRecipeIds.Count >= MaxDrinkCount || _todayDrinkRecipeIds.ContainsKey(recipeId)) return false;

                var drinkData = DataManager.Instance.GetDataSo<DrinkDataSo>().GetDataById(recipeData.RecipeResult);
                var craftableCount = drinkData.GetCraftableCount();
                drinkData.ConsumeAllCraftableIngredients();

                _todayDrinkRecipeIds[recipeId] = craftableCount;
                added = true;
            }

            if (added)
            {
                var cookwareKey = GetRequiredCookwareKey(recipeId);
                if (string.IsNullOrWhiteSpace(cookwareKey) == false && _cookwareToRecipeIds.TryGetValue(cookwareKey, out var recipeSet))
                {
                    recipeSet.Add(recipeId);
                }

                var dirtyEvt = GameEvents.SmartVariablesDirtyEvent;
                dirtyEvt.DomainFlags = SmartVariablesDomain.RestaurantToday;
                EventBus.Broadcast(dirtyEvt);
                EventBus.Broadcast(RestaurantEvents.TodayMenuAddedEvent);
            }

            return added;
        }

        public bool TryRemoveTodayMenu(ItemViewModel model)
        {
            string recipeId = model.Id;
            var removedEvt = RestaurantEvents.TodayMenuRemovedEvent;

            if (DataManager.Instance.GetDataSo<RecipeDataSo>().TryGetDataById(recipeId, out RecipeData recipeData) == false) return false;

            bool removed = false;
            int refundCount = 0;

            if (recipeData.RecipeType == RecipeType.FoodRecipe)
            {
                if (_todayFoodRecipeIds.TryGetValue(recipeId, out refundCount))
                {
                    removed = _todayFoodRecipeIds.Remove(recipeId);
                    removedEvt.InventoryCategoryType = InventoryCategoryType.Food;

                    if (removed)
                    {
                        var foodData = DataManager.Instance.GetDataSo<FoodDataSo>().GetDataById(recipeData.RecipeResult);
                        foodData.RefundIngredients(refundCount);
                    }
                }
            }
            else if (recipeData.RecipeType == RecipeType.DrinkRecipe)
            {
                if (_todayDrinkRecipeIds.TryGetValue(recipeId, out refundCount))
                {
                    removed = _todayDrinkRecipeIds.Remove(recipeId);
                    removedEvt.InventoryCategoryType = InventoryCategoryType.Drink;

                    if (removed)
                    {
                        var drinkData = DataManager.Instance.GetDataSo<DrinkDataSo>().GetDataById(recipeData.RecipeResult);
                        drinkData.RefundIngredients(refundCount);
                    }
                }
            }

            if (removed)
            {
                var cookwareKey = GetRequiredCookwareKey(recipeId);
                if (string.IsNullOrWhiteSpace(cookwareKey) == false && _cookwareToRecipeIds.TryGetValue(cookwareKey, out var recipeSet))
                {
                    recipeSet.Remove(recipeId);
                }

                var dirtyEvt = GameEvents.SmartVariablesDirtyEvent;
                dirtyEvt.DomainFlags = SmartVariablesDomain.RestaurantToday;
                EventBus.Broadcast(dirtyEvt);
                EventBus.Broadcast(removedEvt);
            }

            return removed;
        }

        public bool TryAddTodayCookware(ItemViewModel model)
        {
            var cookwareId = model.Id;

            if (model.HasItem == false || DataManager.Instance.GetDataSo<CookwareDataSo>().ContainsData(cookwareId) == false) return false;

            if (_cookwareToRecipeIds.Count >= MaxCookwareCount || _cookwareToRecipeIds.ContainsKey(cookwareId)) return false;

            _cookwareToRecipeIds[cookwareId] = new HashSet<string>();

            foreach (var recipeId in _todayFoodRecipeIds.Keys.Concat(_todayDrinkRecipeIds.Keys))
            {
                var required = GetRequiredCookwareKey(recipeId);
                if (required == cookwareId)
                {
                    _cookwareToRecipeIds[cookwareId].Add(recipeId);
                }
            }

            var dirtyEvt = GameEvents.SmartVariablesDirtyEvent;
            dirtyEvt.DomainFlags = SmartVariablesDomain.RestaurantToday;
            EventBus.Broadcast(dirtyEvt);
            EventBus.Broadcast(RestaurantEvents.TodayMenuAddedEvent);

            return true;
        }

        public bool IsContainTodayMenu(string recipeId) => _todayFoodRecipeIds.ContainsKey(recipeId) || _todayDrinkRecipeIds.ContainsKey(recipeId);

        public bool TryRemoveTodayCookware(ItemViewModel model)
        {
            var cookwareId = model.Id;

            if (DataManager.Instance.GetDataSo<CookwareDataSo>().ContainsData(cookwareId) == false) return false;

            if (_cookwareToRecipeIds.Remove(cookwareId) == false) return false;

            var dirtyEvt = GameEvents.SmartVariablesDirtyEvent;
            dirtyEvt.DomainFlags = SmartVariablesDomain.RestaurantToday;
            EventBus.Broadcast(dirtyEvt);
            var evt = RestaurantEvents.TodayMenuRemovedEvent;
            evt.InventoryCategoryType = InventoryCategoryType.Cookware;
            EventBus.Broadcast(evt);

            return true;
        }

        private string GetRequiredCookwareKey(string recipeId)
        {
            if (DataManager.Instance.GetDataSo<RecipeDataSo>().TryGetDataById(recipeId, out var recipeData) == false) return null;

            var resultKey = recipeData.RecipeResult;

            return recipeData.RecipeType switch
            {
                RecipeType.FoodRecipe => DataManager.Instance.GetDataSo<FoodDataSo>().GetDataById(resultKey).CookwareKey,
                RecipeType.DrinkRecipe => DataManager.Instance.GetDataSo<DrinkDataSo>().GetDataById(resultKey).CookwareKey,
                _ => null
            };
        }

        public bool IsCookwareMatched(string recipeId)
        {
            return _cookwareToRecipeIds.Values.Any(recipeHashSets => recipeHashSets.Contains(recipeId));
        }

        public bool IsTodayMenuMatched(string cookwareId)
        {
            if (_cookwareToRecipeIds.TryGetValue(cookwareId, out var recipeSet))
            {
                return recipeSet.Count > 0;
            }

            return false;
        }
    }
}