using System.Windows.Media.Media3D;

namespace ShrlAlgoToolkit.RevitAddins.RvIndependent.MetroGauges.LandXMLData
{
    public class GeometryTransformations
    {
        public GeometryTransformations()
        {
            ResetFactors();
            _matrix = Matrix3D.Identity;
        }

        public const double AngleScale = 57.295779513082323;

        private Matrix3D _matrix;

        public bool IsIdentity => _matrix.IsIdentity;

        [Obsolete("Property \"Scale1\" is deprecated, please use \"ScaleFactor\" instead.")]
        public double Scale1 => ScaleFactor;

        public Matrix3D Matrix => _matrix;

        public double Phi { get; private set; }

        public double Theta { get; private set; }

        public double ScaleFactor { get; private set; }

        public double Dx { get; private set; }

        public double Dy { get; private set; }

        public double Dz { get; private set; }

        public void Invert()
        {
            ScaleFactor = 1.0 / ScaleFactor;
            Phi = -Phi;
            Theta = -Theta;
            Dx = -Dx;
            Dy = -Dy;
            Dz = -Dz;
            _matrix.Invert();
        }

        public static bool IsPointInsidePolygon(Point2D point, IEnumerable<Point2D> vertices)
        {
            int num = 0;
            int num2 = vertices.Count();
            for (int i = 0; i < num2; i++)
            {
                Point2D point2D = vertices.ElementAt(i);
                Point2D point2D2 = vertices.ElementAt((i + 1) % num2);
                if ((point.Y - point2D.Y) * (point.Y - point2D2.Y) <= 0.0)
                {
                    Point2D point2D3 = point2D2 - point2D;
                    if (point2D3.X == 0.0)
                    {
                        if (point2D.X == point.X)
                        {
                            return true;
                        }

                        num++;
                    }
                    else if (point2D.X >= point.X || point2D2.X >= point.X)
                    {
                        double num3 = point2D3.Y / point2D3.X;
                        double num4 = point2D.Y - num3 * point2D.X;
                        double num5 = -(num4 - point.Y) / num3;
                        if (num5 == point.X)
                        {
                            return true;
                        }

                        if (point.X < num5)
                        {
                            num++;
                        }
                    }
                }
            }

            return num % 2 != 0;
        }

        public void Reset()
        {
            ResetFactors();
            _matrix.SetIdentity();
        }

        public void RotatePhi(double phi = 0.0)
        {
            if (phi != 0.0)
            {
                _matrix.Rotate(new Quaternion(new Vector3D(0.0, 0.0, 1.0), Phi += phi * 57.295779513082323));
            }
        }

        public void RotateTheta(double theta = 0.0, Point3D point = null)
        {
            if (theta != 0.0)
            {
                if (point == null)
                {
                    point = new Point3D
                    {
                        X = 1.0,
                        Y = 0.0,
                        Z = 0.0
                    };
                }

                Vector3D vector = Vector3D.CrossProduct(new Vector3D(point.X, point.Y, 0.0), new Vector3D(point.X, point.Y, 1.0));
                Rotation(vector, Theta += theta * 57.295779513082323);
            }
        }

        public void Rotation(Vector3D vector, double angle)
        {
            _matrix.Rotate(new Quaternion(vector, angle));
        }

        public void Scale(double s = 1.0)
        {
            if (s != 1.0)
            {
                ScaleFactor *= s;
                _matrix.Scale(new Vector3D(s, s, s));
            }
        }

        public void SetTransformations(
            Point3D source1,
            Point3D source2,
            Point3D destination1,
            Point3D destination2,
            double scaleDefault = 1.0,
            bool autoScale = true,
            bool resetMatrix = true
        )
        {
            Point3D point3D = source2 - source1;
            Point3D point3D2 = destination2 - destination1;
            Vector3D vector = new Vector3D(point3D.X, point3D.Y, point3D.Z);
            Vector3D vector2 = new Vector3D(point3D2.X, point3D2.Y, point3D2.Z);
            double num = Vector3D.AngleBetween(vector, vector2);
            double num2 = scaleDefault;
            if (autoScale)
            {
                num2 *= vector2.Length / vector.Length;
            }

            if (resetMatrix)
            {
                Reset();
            }

            Phi = (point3D2.Phi - point3D.Phi) * 57.295779513082323;
            Theta = (point3D2.Theta - point3D.Theta) * 57.295779513082323;
            Translation(-source1.X, -source1.Y, -source1.Z);
            if (num != 0.0)
            {
                Vector3D vector3 = Vector3D.CrossProduct(vector, vector2);
                Rotation(vector3, num);
            }

            Scale(num2);
            Translation(destination1.X, destination1.Y, destination1.Z);
        }

        public void SetTransformations(Point3D[] source, Point3D[] destination, double scale = 1.0, bool resetMatrix = true)
        {
            if (resetMatrix)
            {
                Reset();
            }
            else
            {
                Phi = 0.0;
                Theta = 0.0;
            }

            Point3D point3D = source[0];
            Point3D p = destination[0];
            Translation(-point3D.X, -point3D.Y, -point3D.Z);
            for (int i = 1; i < Math.Min(source.Length, destination.Length); i++)
            {
                Point3D point3D2 = source[i] - point3D;
                Point3D point3D3 = destination[i] - p;
                Vector3D vector = new Vector3D(point3D2.X, point3D2.Y, point3D2.Z);
                Vector3D vector2 = new Vector3D(point3D3.X, point3D3.Y, point3D3.Z);
                double num = Vector3D.AngleBetween(vector, vector2);
                Phi += point3D3.Phi - point3D2.Phi;
                Theta += point3D3.Theta - point3D2.Theta;
                if (num != 0.0)
                {
                    Vector3D vector3 = Vector3D.CrossProduct(vector, vector2);
                    Rotation(vector3, num);
                }
            }

            Phi *= 57.295779513082323;
            Theta *= 57.295779513082323;
            Scale(scale);
            Translation(destination[0].X, destination[0].Y, destination[0].Z);
        }

        public void SetTransformations(Point3D point, double phi, double theta, double scale = 1.0, bool resetMatrix = true)
        {
            if (resetMatrix)
            {
                Reset();
            }

            RotateTheta(theta, point);
            RotatePhi(phi);
            Scale(scale);
        }

        public void Transform(Point3D point)
        {
            if (!_matrix.IsIdentity)
            {
                double x = point.X;
                double y = point.Y;
                double z = point.Z;
                point.X = x * _matrix.M11 + y * _matrix.M21 + z * _matrix.M31 + _matrix.OffsetX;
                point.Y = x * _matrix.M12 + y * _matrix.M22 + z * _matrix.M32 + _matrix.OffsetY;
                point.Z = x * _matrix.M13 + y * _matrix.M23 + z * _matrix.M33 + _matrix.OffsetZ;
                if (!_matrix.IsAffine)
                {
                    double num = x * _matrix.M14 + y * _matrix.M24 + z * _matrix.M34 + _matrix.M44;
                    point.X /= num;
                    point.Y /= num;
                    point.Z /= num;
                }
            }
        }

        public void Translation(Point3D point = null)
        {
            if (point != null)
            {
                Translation(point.X, point.Y, point.Z);
            }
        }

        public void Translation(double x = 0.0, double y = 0.0, double z = 0.0)
        {
            if (x != 0.0 || y != 0.0 || z != 0.0)
            {
                Dx += x;
                Dy += y;
                Dz += z;
                _matrix.Translate(new Vector3D(x, y, z));
            }
        }

        protected void ResetFactors()
        {
            ScaleFactor = 1.0;
            Phi = Theta = 0.0;
            Dx = Dy = Dz = 0.0;
        }

        private void Rotation(double gammaAngle, double betaAngle, double alphaAngle)
        {
            RotationX(alphaAngle);
            RotationY(betaAngle);
            RotationZ(gammaAngle);
        }

        private void RotationX(double alphaAngle)
        {
            if (alphaAngle != 0.0)
            {
                _matrix.Rotate(new Quaternion(new Vector3D(1.0, 0.0, 0.0), alphaAngle * 57.295779513082323));
            }
        }

        private void RotationY(double betaAngle)
        {
            if (betaAngle != 0.0)
            {
                _matrix.Rotate(new Quaternion(new Vector3D(0.0, 1.0, 0.0), betaAngle * 57.295779513082323));
            }
        }

        private void RotationZ(double gammaAngle)
        {
            if (gammaAngle != 0.0)
            {
                _matrix.Rotate(new Quaternion(new Vector3D(0.0, 0.0, 1.0), gammaAngle * 57.295779513082323));
            }
        }

        private void Scale(double sx, double sy, double sz)
        {
            if (sx != 1.0 || sy != 1.0 || sz != 1.0)
            {
                ScaleFactor = double.NaN;
                _matrix.Scale(new Vector3D(sx, sy, sz));
            }
        }
    }
}