using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace YLErp.DBModels
{
    /// <summary>
    /// 日终价格基础表
    /// </summary>
    public class EodPriceBase : DBModelWithOperator
    {
        public static string 人工 = "人工";
        public static string 系统 = "系统";

        /// <summary>
        /// 合约代码
        /// </summary>
        [DisplayName("合约代码")]
        public virtual string UnderlyingCode { set; get; }

        /// <summary>
        /// 估值日期
        /// </summary>
        [DisplayName("估值日期")]
        public DateTime ValueDate { set; get; }

        /// <summary>
        /// 收盘价
        /// </summary>
        [DisplayName("收盘价")]
        public double ClosePrice { set; get; }

        /// <summary>
        /// 结算价
        /// </summary>
        [DisplayName("结算价")]
        public virtual double SettlePrice { set; get; }

        /// <summary>
        /// 参考价
        /// </summary>
        [DisplayName("参考价")]
        public virtual double? ReferencePrice { set; get; }

        /// <summary>
        /// 最高价
        /// </summary>
        [DisplayName("最高价")]
        public virtual double? HighPrice { set; get; }

        /// <summary>
        /// 最低价
        /// </summary>
        [DisplayName("最低价")]
        public virtual double? LowPrice { set; get; }

        /// <summary>
        /// 数据来源
        /// </summary>
        [DisplayName("数据来源")]
        public virtual string DataSource { set; get; }

        /// <summary>
        /// 源数据时间
        /// </summary>
        [DisplayName("源数据时间")]
        public string SourceTime { set; get; }

        /// <summary>
        /// 
        /// </summary>
        public double GetPrice(SettlementTypeEnum type)
        {
            switch (type)
            {
                default:
                case SettlementTypeEnum.ClosePrice:
                    return ClosePrice;
                case SettlementTypeEnum.ReferencePrice:
                    return ReferencePrice ?? ClosePrice;
                case SettlementTypeEnum.SettlePrice:
                    return SettlePrice;
            }
        }

        public override string ToString()
        {
            return $"{ValueDate:yyyy-MM-dd}--{UnderlyingCode}--{ClosePrice}";
        }
    }

    /// <summary>
    /// 期货日终价格表
    /// </summary>
    [Table("eod_commodity_future_price")]
    public class eod_commodity_future_price : EodPriceBase
    {
        [DisplayName("标的信息")]
        public int? UnderlyingId { get; set; }

        [Column("FutureContractId"), Required]
        public override string UnderlyingCode { get; set; }

        public eod_commodity_future_price Clone()
        {
            return (eod_commodity_future_price)MemberwiseClone();
        }
    }

    /// <summary>
    /// 股票日终价格表
    /// </summary>
    [Table("eod_stock_price")]
    public class eod_stock_price : EodPriceBase
    {
        /// <summary>
        /// 标的状态：正常 停牌  退市
        /// </summary>
        [Column("UnderlyingStatus")]
        [DisplayName("运行状态")]
        public string UnderlyingStatus { get; set; }

        [Column("StockId")]
        public override string UnderlyingCode { get; set; }

        [NotMapped]
        public override double SettlePrice => 0;

        public eod_stock_price Clone()
        {
            return (eod_stock_price)MemberwiseClone();
        }
    }
}