using Amazon.Runtime.Internal;
using Nettention.Proud;
using ServerCommon;
using ServerCore; using ServerBase;

namespace GameServer
{
    public class RandomBoxItemReference
    {
        public SelectedGacha? m_gacha_data { get; set; } = null;
        public ushort m_num { get; set; } = 1;
        public string m_item_guid { get; set; } = string.Empty;
        public List<MetaAssets.Reward> m_rewards { get; set; } = new ();

        public Item? m_deleted_item_nullable { get; set; } = null;

        //public List<MetaAssets.Reward> m_rewarded_money { get; set; } = new();
        //public List<Item> m_rewarded_items { get; set; } = new();

        public CommonResult m_common_result { get; set; } = new();
    }

    public class RandomBoxItemUseAction : EntityActionBase
    {
        public RandomBoxItemUseAction(EntityBase owner) : base(owner)
        {
            
        }

        public override void onClear()
        {
            return;
        }

        public override async Task<Result> onInit()
        {
            await Task.CompletedTask;

            var result = new Result();
            return result;
        }

        public async Task<Result> getGachaReward(RandomBoxItemReference randomBoxItemRef)
        {
            var owner = getOwner() as Player;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            IReward reward_proc = new RewardRandomItemBox(owner, owner.getUserGuid(), randomBoxItemRef);
            var result = await RewardManager.It.proceedRewardProcess(reward_proc);
            reward_proc.postRewardProcess();

            return result;
        }

        public async Task<Result> deleteRandomBox(RandomBoxItemReference randomBoxItemRef)
        {
            var item_guid = randomBoxItemRef.m_item_guid;
            var num = randomBoxItemRef.m_num;
            var owner = getOwner() as Player;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            var inventory_action = owner.getEntityAction<InventoryActionBase>();            

            (var result, var removed_item) = await inventory_action.tryDeleteItemByGuid(item_guid, num);
            if (result.isFail())
            {
                var err_msg = $"Failed to tryDeleteItemByGuid() !!! : {result.toBasicString()} - {owner.toBasicString()}";
                Log.getLogger().error(err_msg);
                return result;
            }
            randomBoxItemRef.m_deleted_item_nullable = removed_item;
            return result;
        }

        public Result conditionCheck(ref RandomBoxItemReference randomBoxItemRef)
        {
            var owner = getOwner() as Player;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            var inventory_action = owner.getEntityAction<InventoryActionBase>();

            var result = new Result();
            var item_guid = randomBoxItemRef.m_item_guid;

            var item = inventory_action.tryGetItemByItemGuid(item_guid);
            if (item is null)
            {
                var err_msg = $"Failed to tryGetItemByItemGuid !!! : itemGuid:{item_guid} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.ItemNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());
                return result;
            }

            var item_meta = item.getItemMeta();
            if (item_meta is null)
            {
                var err_msg = $"Not found meta of Item !!! : temMetaId:{item_guid}";
                result.setFail(ServerErrorCode.ItemNotFound, err_msg);
                return result;
            }

            if (false == item_meta.canRewardFromItem())
            {
                var err_msg = $"RandomBoxItemDataInvalid itemId({item_meta.ItemId})";
                result.setFail(ServerErrorCode.RandomBoxItemDataInvalid, err_msg);
                return result;
            }

            if (false == MetaData.Instance._GachaMetaTable.TryGetValue(item_meta.GachaGroupId, out var gachaData))
            {
                var err_msg = $"Not Exist GachaData gachaGroupId = {item_meta.GachaGroupId}";
                result.setFail(ServerErrorCode.NotExistGachaData, err_msg);
                return result;
            }

            randomBoxItemRef.m_gacha_data = gachaData;

            return result;
        }


        public void useRandomBoxItem()
        {
            string err_msg = $"need code implement !!!!";
            Log.getLogger().error(err_msg);
        }
    }
}