namespace HStation.Service.PhartRelation
{
    /// <summary>
    /// 
    /// </summary>
    public static class PhartGraphExtensions
    {
        //缓存时间
        private const int _cache_time = 10;

        #region 获取图形参数

        /// <summary>
        /// 获取 GraphParas
        /// </summary>
        public static object GetGraphParas(this Yw.Model.PhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }

            var key = $"{rhs.ID}:graph-paras";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                object obj = PhartGraphHelper.GetGraphParas((eGraphType)rhs.GraphType, rhs.GraphParas);
                return obj;
            }, _cache_time);
        }

        /// <summary>
        /// 获取 GraphParas
        /// </summary>
        public static T GetGraphParas<T>(this Yw.Model.PhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }
            var obj = rhs.GetGraphParas();
            if (obj is T t)
            {
                return t;
            }
            return default;
        }

        #endregion

        #region 获取几何参数

        /// <summary>
        /// 获取 GeometryParas
        /// </summary>
        public static object GetGeometryParas(this Yw.Model.PhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }

            var key = $"{rhs.ID}:geometry-paras";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                object obj = PhartGraphHelper.GetGeometryParas((eGeometryStyle)rhs.GeometryStyle, rhs.GeometryParas);
                return obj;
            }, _cache_time);
        }

        /// <summary>
        /// 获取 GeometryParas
        /// </summary>
        public static T GetGeometryParas<T>(this Yw.Model.PhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }
            var obj = rhs.GetGeometryParas();
            if (obj is T t)
            {
                return t;
            }
            return default;
        }

        #endregion

        #region 获取特性曲线

        /// <summary>
        /// 获取特性曲线
        /// </summary>
        public static Yw.Ahart.PerformCurveBase GetPerformCurve(this Yw.Model.PhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }
            var key = $"{rhs.ID}:perform-curve";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                Yw.Ahart.PerformCurveBase performCurve = null;
                performCurve = PhartGraphHelper.GetPerformCurve((eGeometryStyle)rhs.GeometryStyle, rhs.GeometryInfo);
                return performCurve;
            }, _cache_time);
        }

        /// <summary>
        /// 获取性能点列表
        /// </summary>
        public static List<Yw.Geometry.Point2d> GetFeatPointList(this Yw.Model.PhartGraph rhs, int pointNumber = 12, double minSpace = 0.0001)
        {
            var performCurve = rhs.GetPerformCurve();
            if (performCurve == null || performCurve.IsInvalid())
            {
                return default;
            }
            return performCurve.FeatCurve.GetPointList(pointNumber, minSpace);
        }

        #endregion

    }

}