using Amazon.DynamoDBv2.Model.Internal.MarshallTransformations;
using GameServer;
using MetaAssets;
using ServerCommon;
using ServerControlCenter;
using ServerCore; using ServerBase;
using META_ID = System.UInt32;

namespace GameServer
{
    public abstract class RewardBase : IReward
    {
        private Player m_owner;
        private string m_user_guid = string.Empty;
        private List<MetaAssets.Reward> m_rewards = new();
        //List<ILogInvoker> m_currency_invokers = new();
        //List<ILogInvoker> m_item_invokers = new();
        //List<CurrencyMaxNoti> m_currency_max_noties = new();
        //private List<Money> obtained_reward = new();

        private List<MetaAssets.Reward> m_rewarded_moneys = new();
        private List<Item> m_rewarded_items = new();
        
        public RewardBase(Player owner, string user_guid)
        {
            m_owner = owner;
            m_user_guid = user_guid;
            
            //m_currency_invokers = new();
            //m_item_invokers = new();
            //m_currency_max_noties = new();
            //m_rewarda = rewards;
        }

        public RewardBase(Player owner, string user_guid, List<MetaAssets.Reward> rewards)
        {
            m_owner = owner;
            m_user_guid = user_guid;
            //m_currency_invokers = new();
            //m_item_invokers = new();
            //m_currency_max_noties = new();
            m_rewards = rewards;
        }

        //=====================================================================================
        // 보상전 처리해야되는 것들 처리
        //=====================================================================================
        public virtual Task<Result> prepareReward()
        {
            var result = new Result();
            return Task.FromResult(result);
        }


        public async Task<Result> addReward()
        {
            //item인것만 모아서 tryCheckTakableInBagInven 한번 태운다
            var result = await itemMaxCheck(m_rewards);
            if (result.isFail()) return result;
            
            
            foreach (var reward in m_rewards)
            {
                if (reward.Currency != null)
                {
                    var money_action = m_owner.getEntityAction<MoneyAction>();
                    result = await money_action.changeMoney((CurrencyType)reward.Currency.Id, reward.Currency.Value);
                    if (result.isFail()) return result;
                    m_rewarded_moneys.Add(reward);
                }
                else if (reward.Item != null)
                {
                    var inventory_action = m_owner.getEntityAction<InventoryActionBase>();

                    (result, var items) = await inventory_action.tryTakalbleToBag((META_ID)reward.Item.Id, (ushort)reward.Item.Count);

                    if (result.isFail()) return result;

                    m_rewarded_items.AddRange(items);
                }
                else if (reward.SeasonPassExp != null)
                {
                    var season_pass_action = m_owner.getEntityAction<SeasonPassAction>();
                    result = season_pass_action.IncreaseExp((UInt32)reward.SeasonPassExp.Value);
                    if (result.isFail()) return result; 
                }
                else
                {
                    var err_msg = $"reward_data type InvalidType";
                    result.setFail(ServerErrorCode.RewardInvalidType, err_msg);
                    return result;
                }
            }

            return result;
        }

        private async Task<Result> itemMaxCheck(List<MetaAssets.Reward> rewards)
        {
            Dictionary<META_ID, Int16> item_dictionary = new();

            foreach (var reward in rewards)
            {
                if (reward.Item == null) continue;
                
                var id = (META_ID)reward.Item.Id;
                var item_cnt = (UInt16)reward.Item.Count;
                if (false == item_dictionary.TryGetValue(id, out var cnt))
                {
                    item_dictionary.TryAdd(id, (Int16)reward.Item.Count);
                }
                else
                {
                    var sum = item_cnt + cnt;
                    item_dictionary[id] = (Int16)sum;
                }
            }

            if (item_dictionary.Count > 0)
            {                 
                var inventory_action = m_owner.getEntityAction<InventoryActionBase>();
                var bag_inven = inventory_action.getBagInven();

                return await bag_inven.tryCheckTakableInBagInven(item_dictionary);
            }

            return new();
        }

        public virtual Task<Result> finalizeReward()
        {
            var result = new Result();
            return Task.FromResult(result);
        }

        public void postRewardProcess()
        {
             //prepare();
 
 
             //sendNoti();
        }


        public Player getOwner()
        {
            return m_owner;
        }

        public string getUserGuid()
        {
            return m_user_guid;
        }

        public void setRewardMetas(List<MetaAssets.Reward> rewards)
        {
            m_rewards = rewards;
        }


        public List<Item> getRewardedItems()
        {
            return m_rewarded_items;
        }


        public List<MetaAssets.Reward> getRewardedMoneys()
        {
            return m_rewarded_moneys;
        }

        
    }
}