using YLErp.BLL;

namespace YLErp.Modules.ExcelAddinModule
{
    /// <summary>
    /// 基础数据服务
    /// </summary>
    public class BasicDataService
    {
        public static List<UnderlyingManagerInfo> GetUnderlyingList()
        {
            using (var context = new YLContext())
            {
                var limitLowDate = DateTime.Now.AddYears(-3);
                var underlyings = from source in context.underlying_manager.AsNoTracking()
                                  join vari in context.variety.AsNoTracking() on source.UnderlyingTypeId equals vari.id into varies
                                  from vari in varies.DefaultIfEmpty()
                                  select new { underlying = source, variety = vari };

                var result = new List<UnderlyingManagerInfo>();
                underlyings.ToList().ForEach(x =>
                {
                    double.TryParse(x.variety.MinPriceChange, out var priceTick);
                    result.Add(new UnderlyingManagerInfo()
                    {
                        Code = x.underlying.UnderlyingCode,
                        Name = x.underlying.UnderlyingName,
                        Exchange = x.underlying.MarketCode,
                        Product_Class = x.underlying.CommodityCode,
                        Underlying_Code = x.underlying.UnderlyingCode,
                        Expire_Date = x.underlying.MaturityDate,
                        Multiple = x.variety.TradeUnitValue ?? 0,
                        Price_Tick = priceTick,
                        Long_Margin_Ratio = x.underlying.MarginRate ?? 0,
                        Short_Margin_Ratio = x.underlying.MarginRate ?? 0
                    });
                });

                return result;
            }
        }
    }
}