namespace HStation.Service
{
    /// <summary>
    /// 特性曲线辅助类
    /// </summary>
    public class PerformCurveHelper
    {

        /// <summary>
        /// 获取性能点列表
        /// </summary>
        public static List<Yw.Geometry.Point2d> GetFeatPointList(eGraphType graphType, string geometryInfo, int pointNumber = 12, double minSpace = 0.0001)
        {
            if (string.IsNullOrEmpty(geometryInfo))
            {
                return default;
            }
            List<Yw.Geometry.Point2d> pts = null;
            switch (graphType)
            {
                case eGraphType.QH:
                    {
                        var curveQH = Yw.Pump.CurveQHHelper.ToModel(geometryInfo);
                        if (curveQH != null)
                        {
                            pts = curveQH.FeatCurve.GetPointList(pointNumber, minSpace);
                        }
                    }
                    break;
                case eGraphType.QP:
                    {
                        var curveQP = Yw.Pump.CurveQPHelper.ToModel(geometryInfo);
                        if (curveQP != null)
                        {
                            pts = curveQP.FeatCurve.GetPointList(pointNumber, minSpace);
                        }
                    }
                    break;
                case eGraphType.QE:
                    {
                        var curveQE = Yw.Pump.CurveQEHelper.ToModel(geometryInfo);
                        if (curveQE != null)
                        {
                            pts = curveQE.FeatCurve.GetPointList(pointNumber, minSpace);
                        }
                    }
                    break;
                default: break;
            }
            return pts;
        }

        /// <summary>
        /// to 存储字符串
        /// </summary>
        public static string ToDbString(eGraphType graphType, Yw.Pump.eFeatType featType, List<Yw.Geometry.Point2d> pts)
        {
            var dbString = string.Empty;
            if (pts == null || pts.Count < 1)
            {
                return dbString;
            }
            Yw.Pump.IFeatCurve featCurve = null;
            switch (featType)
            {
                case Yw.Pump.eFeatType.Polynomial:
                    {
                        featCurve = new Yw.Pump.PolynomialCurve(pts);
                    }
                    break;
                case Yw.Pump.eFeatType.Cubic:
                    {
                        featCurve = new Yw.Pump.CubicCurve(pts);
                    }
                    break;
                default: break;
            }
            if (featCurve == null || featCurve.IsInvalid())
            {
                return dbString;
            }

            switch (graphType)
            {
                case eGraphType.QH:
                    {
                        var curveQH = new Yw.Pump.CurveQH(featType, featCurve);
                        dbString = curveQH.ToDbString();
                    }
                    break;
                case eGraphType.QP:
                    {
                        var curveQP = new Yw.Pump.CurveQP(featType, featCurve);
                        dbString = curveQP.ToDbString();
                    }
                    break;
                case eGraphType.QE:
                    {
                        var curveQE = new Yw.Pump.CurveQE(featType, featCurve);
                        dbString = curveQE.ToDbString();
                    }
                    break;
                default: break;
            }
            return dbString;
        }



    }
}