using YLErp.BLL;

namespace YLErp.Modules.UnderlyingModule
{
    /// <summary>
    /// 报价参数服务
    /// </summary>
    public class UnderlyingParameterService : YLBaseService
    {
        public UnderlyingParameterService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        /// <summary>
        /// 初始化标的报价参数
        /// </summary>
        public List<underlying_parameter> InitialUnderlyingParameter(int underlyingId)
        {
            var list = DbContext.underlying_parameter.AsNoTracking()
                .Where(u => u.UnderlyingId == underlyingId).ToList();

            //如果没有报价参数，则新增
            if (!list.Any())
            {
                underlying_parameter.defaultQuoteTypes.ForEach(t =>
                {
                    underlying_parameter up = new underlying_parameter() { NoRiskRate = valuedateBLL.SystemDate.RiskFreeRate * 0.01, Price = 0, Gamma = 0, Rho = 0, Vega = 0, Theta = 0, Delta = 0, UnderlyingId = underlyingId, Type = t, OptDate = DateTime.Now, OptId = UserId, OptName = UserName };
                    DbContext.underlying_parameter.Add(up);
                    list.Add(up);
                });
                DbContext.SaveChanges();
            }

            return list.OrderBy(u => u.Type).ToList();
        }

        /// <summary>
        /// 保存报价参数
        /// </summary>
        public int SaveDatas(IEnumerable<underlying_parameter> list)
        {
            if (list is null)
            {
                return 0;
            }

            foreach (var data in list)
            {
                if (data == null) continue;

                var model = DbContext.underlying_parameter.Find(data.id);

                if (model == null)
                {
                    throw new ServiceException("更新失败,数据不存在,id:" + data.id);
                }

                YieldChain.Helpers.ObjectHelper.MapValues(model, data, "ValidState");

                model.OptId = UserId;
                model.OptName = UserName;
                model.OptDate = DateTime.Now;
            }

            return DbContext.SaveChanges();
        }
    }
}