using System.ComponentModel;
using System.Xml.Serialization;
using Deltares.Geometry;

namespace Deltares.Stability
{
    public class SlipPlane : GeometryPointString, IHasGeometryPointStringAttachedPoints
    {
        private StabilityModel stabilityModel = null;

        public SlipPlane() {}

        [Browsable(false)]
        [XmlIgnore]
        public StabilityModel StabilityModel
        {
            get
            {
                return stabilityModel;
            }
            set
            {
                stabilityModel = value;
            }
        }

        public GeometryPoint[] GetGeometryPointStringAttachedPoints()
        {
            if (Points.Count == 0)
            {
                return new GeometryPoint[0];
            }
            else if (Points.Count == 1)
            {
                return new[]
                    {
                        Points[0]
                    };
            }
            else
            {
                return new[]
                    {
                        Points[0], Points[Points.Count - 1]
                    };
            }
        }
    }
}