using YLErp.Modules.TradeModule.AccumulatorOptionModule;

namespace YLErp.Modules.TradeModule
{
    /// <summary>
    /// 期权交易步骤还原服务(等待设计完善)
    /// </summary>
    public class OptionTradeActionRestoreService : TradeServiceBase
    {
        public OptionTradeActionRestoreService(YLBaseService baseService) : base(baseService)
        {

        }

        public OptionTradeActionRestoreService(OptUserInfo userInfo) : base(userInfo)
        {

        }

        /// <summary>
        /// 将交易数据还原到编辑状态
        /// </summary>
        public bool RestoreTradeDataForEditiing(OtcOptionTradeFull td, out List<TradeActionType> restoredActions)
        {
            restoredActions = null;

            if (td is null)
            {
                return false;
            }

            var valueDate = td.TradeDate.Value;

            if (td.TradeType == "累计期权")
            {
                var query = from a in DbContext.TradeAction.AsNoTracking()
                            where a.IsValid && a.TradeId == td.id && a.ValueDate == valueDate && a.ActionType == TradeActionType.AccumulatorChange
                            select new { a.ActionData };

                var action = query.FirstOrDefault();

                if (action != null)
                {
                    restoredActions = new List<TradeActionType> { TradeActionType.AccumulatorChange };
                    TradeAccumulatorHelper.RestoreAccumulatorChangeData(td, action.ActionData);
                    return true;
                }
            }

            return false;
        }

        /// <summary>
        /// 将交易数据还原到特定日期
        /// </summary>
        public bool RestoreTradeDataToSpecialDay(trade td, DateTime valueDate)
        {
            if (td is null)
            {
                return false;
            }

            if (td.TradeType == "累计期权")
            {
                var query = from a in DbContext.TradeAction.AsNoTracking()
                            where a.IsValid && a.TradeId == td.id && a.ValueDate <= valueDate && a.ActionType == TradeActionType.AccumulatorChange
                            orderby a.ValueDate descending
                            select new { a.ActionData };

                var action = query.FirstOrDefault();

                if (action != null)
                {
                    TradeAccumulatorHelper.RestoreAccumulatorChangeData(td, action.ActionData);
                    return true;
                }
            }

            return false;
        }

        /// <summary>
        /// 将交易基础要素还原到特定日期
        /// </summary>
        public bool RestoreTradeDataToSpecialDay2(OtcTradeBase td, DateTime valueDate)
        {
            if (td is null)
            {
                return false;
            }

            if (td.TradeType == "累计期权")
            {
                var query = from a in DbContext.TradeAction.AsNoTracking()
                            where a.IsValid && a.TradeId == td.id && a.ValueDate <= valueDate && a.ActionType == TradeActionType.AccumulatorChange
                            orderby a.ValueDate descending
                            select new { a.ActionData };

                var action = query.FirstOrDefault();

                if (action != null)
                {
                    TradeAccumulatorHelper.RestoreAccumulatorChangeData(td, tdAcc: default(trade_accumulator_option), changeDataJson: action.ActionData);
                    return true;
                }
            }

            return false;
        }
    }
}