using YLErp.DBModels;

namespace YLErp.Models
{
    /// <summary>
    /// 获取fixing的请求model
    /// </summary>
    public class FixingRequestBase
    {
        public FixingRequestBase(DateTime valueDate, int tradeId,
            string instrumentType, string underlyingCode, DateTime exerciseDate, SettlementTypeEnum settlementType)
        {
            TradeId = tradeId;
            ValueDate = valueDate;
            ExerciseDate = exerciseDate;
            InstrumentType = instrumentType ?? throw new ArgumentNullException(nameof(instrumentType));
            UnderlyingCode = underlyingCode ?? throw new ArgumentNullException(nameof(underlyingCode));
            SettlementType = settlementType;
        }

        public FixingRequestBase(FixingRequestBase baseReq)
        {
            if (baseReq is null)
            {
                throw new ArgumentNullException(nameof(baseReq));
            }

            TradeId = baseReq.TradeId;
            ValueDate = baseReq.ValueDate;
            ExerciseDate = baseReq.ExerciseDate;
            InstrumentType = baseReq.InstrumentType;
            UnderlyingCode = baseReq.UnderlyingCode;
            SettlementType = baseReq.SettlementType;
        }

        /// <summary>
        /// 交易ID
        /// </summary>
        public int TradeId { get; }

        /// <summary>
        /// 估值日期
        /// </summary>
        public DateTime ValueDate { get; set; }

        /// <summary>
        /// 执行日期
        /// </summary>
        public DateTime ExerciseDate { get; }

        /// <summary>
        /// 资产类型
        /// </summary>
        public string InstrumentType { get; }

        /// <summary>
        /// 标的代码
        /// </summary>
        public string UnderlyingCode { get; }

        /// <summary>
        /// 结算价格类型
        /// </summary>
        public SettlementTypeEnum SettlementType { get; }
    }

    /// <summary>
    /// 获取fixing的请求model
    /// </summary>
    public class FixingRequest : FixingRequestBase
    {
        public FixingRequest(DateTime valueDate, int tradeId, DateTime startDate, string observationDates
            , string instrumentType, string underlyingCode, SettlementTypeEnum settlementType, DateTime exerciseDate)
            : base(valueDate, tradeId, instrumentType, underlyingCode, exerciseDate, settlementType)
        {
            StartDate = startDate;
            ObservationDates = observationDates;
        }

        public FixingRequest(FixingRequestBase baseReq, DateTime startDate, string observationDates) : base(baseReq)
        {
            StartDate = startDate;
            ObservationDates = observationDates;
        }

        /// <summary>
        /// 开始日期
        /// </summary>
        public DateTime StartDate { get; set; }

        /// <summary>
        /// 观察日期序列
        /// </summary>
        public string ObservationDates { get; set; }
    }
}