namespace HStation.Service
{
    /// <summary>
    /// 
    /// </summary>
    public static class XhsPhartGraphExtensions
    {
        //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 Model.XhsPhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }

            var key = $"{rhs.ID}:graph-paras";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                object obj = null;
                switch ((eGraphType)rhs.GraphType)
                {
                    case eGraphType.QH:
                        {
                            obj = Model.QHGraphParasModel.ToModel(rhs.GraphParas);
                        }
                        break;
                    case eGraphType.QP:
                        {
                            obj = Model.QPGraphParasModel.ToModel(rhs.GraphParas);
                        }
                        break;
                    case eGraphType.QE:
                        {
                            obj = Model.QEGraphParasModel.ToModel(rhs.GraphParas);
                        }
                        break;
                    default: break;
                }
                return obj;
            }, _cache_time);
        }

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

            var key = $"{rhs.ID}:geometry-paras";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                object obj = null;
                switch ((eGeometryStyle)rhs.GeometryStyle)
                {
                    case eGeometryStyle.FeatCurve:
                        {
                            obj = Model.FeatCurveGeometryParasModel.ToModel(rhs.GraphParas);
                        }
                        break;
                    default: break;
                }
                return obj;
            }, _cache_time);
        }

        /// <summary>
        /// 获取 GeometryParas
        /// </summary>
        public static T GetGeometryParas<T>(this Model.XhsPhartGraph 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.Pump.PerformCurveBase GetPerformCurve(this Model.XhsPhartGraph rhs)
        {
            if (rhs == null)
            {
                return default;
            }
            var key = $"{rhs.ID}:perform-curve";
            return MemoryCacheHelper.GetSet(key, () =>
            {
                Yw.Pump.PerformCurveBase performCurve = null;
                switch ((eGeometryStyle)rhs.GeometryStyle)
                {
                    case eGeometryStyle.FeatCurve:
                        {
                            performCurve = Yw.Pump.PerformCurveHelper.ToModel(rhs.GeometryInfo);
                        }
                        break;
                    default: break;
                }
                return performCurve;
            }, _cache_time);
        }

        /// <summary>
        /// 获取性能点列表
        /// </summary>
        public static List<Yw.Geometry.Point2d> GetFeatPointList(this Model.XhsPhartGraph 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

    }
}