using YLErp.DBModels;

namespace YLErp.Abstract.DataProviders
{
    /// <summary>
    /// 标的数据基础提供接口
    /// </summary>
    public interface IUnderlyingProvider
    {
        /// <summary>
        /// 根据标的ID获取标的
        /// </summary>
        underlying_manager GetUnderlying(int underlyingId);

        /// <summary>
        /// 根据标的代码获取标的
        /// </summary>
        underlying_manager GetUnderlying(string underlyingCode);

        /// <summary>
        /// 根据标的代码获取标的
        /// </summary>
        underlying_manager GetUnderlying(string underlyingCode, out double contractSize);
    }

    /// <summary>
    /// 标的数据及关联数据提供
    /// </summary>
    public interface IUnderlyingDataProvider : IUnderlyingProvider
    {
        /// <summary>
        /// 获取品种信息
        /// </summary>
        Variety GetVariety(int varietyId);

        /// <summary>
        /// 获取品种数据
        /// </summary>
        /// <param name="underlyingCode">标的代码</param>
        Variety GetVariety(string underlyingCode);

        /// <summary>
        /// 获取品种信息
        /// </summary>
        Variety GetVariety(string underlyingCode, out double contractSize);

        /// <summary>
        /// 根据标的代码获取份额和数量的乘积因子(最小为1)
        /// </summary>
        int GetCountRatio(string underlyingCode);

        /// <summary>
        /// 尝试获取标的过期日(股票:2099-01-01),如果标的信息不存在返回false
        /// </summary>
        bool TryGetMaturityDate(string underlyingCode, out DateTime date);

        /// <summary>
        /// 根据标的代码获取场内期权标的
        /// </summary>
        ExchangeListOption GetExchange_List_Option(string ContractCode);

        /// <summary>
        /// 获取相关性
        /// </summary>
        CorrelationTable GetCorrelation(int underlyingId1, int underlyingId2);

        /// <summary>
        /// 获取组合标的
        /// </summary>
        SyntheticUnderlying GetSyntheticUnderlying(string underlyingCode);
    }
}