using Server.System;
using Newtonsoft.Json;
using Server.SQL;
using Server.Manager;

namespace Server.Service
{
    public class BuyShopItem : AbstractService
    {
        private BuyShopItemReq req;

        private void SaveSQL(ItemManager item)
        {
            Statics.userSQL.SaveChanges();
            item.box.SaveSQL();
        }

        public override string Process()
        {
            User user = Statics.userSQL.SelectUuid(req.uuid);
            ShopItemData shopItemData = Statics.shopItemExcel.getShopItemData(req.shopItemIndex);

            //획득 가능한 아이템인지 확인
            switch (shopItemData.buy_type)
            {
                case eBuyType.gold:
                    if (user.gold < shopItemData.buy)
                    {
                        throw new RuntimeException("Not gold", Error.nogold);
                    }
                    user.gold -= shopItemData.buy;
                    break;
                case eBuyType.cash:
                    if (!user.buyCash(shopItemData.buy))
                    {
                        throw new RuntimeException("Not cash", Error.nogold);
                    }
                    break;
                case eBuyType.money://현금결제 현재로서는 무조건 결제완료가 나오도록 처리할것
                    break;
                default:
                    throw new RuntimeException("Not case", Error.nodata);
            }

            ItemManager item = new ItemManager(user);

            item.addReward(shopItemData.reward);

            SaveSQL(item);
            return makeResp(user, item);
        }

        public override Protocol ProtocolValue() => Protocol.BuyShopItem;

        public override Req Requst(string json)
        {
            req = JsonConvert.DeserializeObject<BuyShopItemReq>(json);
            return req;
        }

        private string makeResp(User user, ItemManager itemManager)
        {
            BuyShopItemResp resp = new BuyShopItemResp();
            resp.status = 200;
            resp.gold = user.gold;
            resp.cash = user.free_cash + user.pay_cash;
            resp.deck_unit = itemManager.box.addDeckUnitInfo;
            resp.equipment = itemManager.box.addEquipment;
            resp.consumableItem = itemManager.box.addConsumableItem;
            resp.etcItem = itemManager.box.addEtcItem;
            return resp.ToJson();
        }


    }

    public class BuyShopItemReq : Req
    {
        public string uuid;
        public long shopItemIndex;
        public override bool IsReceivedAllField()
        {
            if (uuid == "" || shopItemIndex == 0)
                return false;
            return true;
        }
    }

    public class BuyShopItemResp : Resp
    {
        public long gold;
        public long cash;
        public List<DeckUnitInfo> deck_unit;
        public List<Equipment> equipment;
        public List<ConsumableItem> consumableItem;
        public List<EtcItem> etcItem;
    }
}