using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

using System;
using System.Collections.Generic;


namespace HYJig
{
    public class JigFuncs
    {
        public static short LOWORD(int value)
        {
            return (short)(value & 65535);
        }

        public static short HIWORD(int value)
        {
            return (short)(value >> 16);
        }

        public static XYZ GetProjectPoint(UIDocument UIDoc, XYZ ptUser, XYZ ptOrigin, double dLineAngle)
        {
            View activeView = UIDoc.ActiveView;
            Transform transform = Transform.CreateRotation(activeView.ViewDirection, dLineAngle);
            XYZ xyz = transform.OfVector(activeView.RightDirection);
            Line line = Line.CreateUnbound(ptOrigin, xyz);
            XYZ xyz2 = JigFuncs.PointToPlane(ptOrigin, activeView.ViewDirection, ptUser);
            return line.Project(xyz2).XYZPoint;
        }

        public static XYZ GetOrthoPoint(UIDocument UIDoc, XYZ ptUser, XYZ ptOrigin)
        {
            View activeView = UIDoc.ActiveView;
            Line line = Line.CreateUnbound(ptOrigin, activeView.RightDirection);
            Line line2 = Line.CreateUnbound(ptOrigin, activeView.UpDirection);
            XYZ xyz = JigFuncs.PointToPlane(ptOrigin, activeView.ViewDirection, ptUser);
            XYZ xyzpoint = line.Project(xyz).XYZPoint;
            XYZ xyzpoint2 = line2.Project(xyz).XYZPoint;
            XYZ xyz2;
            if (xyz.DistanceTo(xyzpoint) < xyz.DistanceTo(xyzpoint2))
            {
                xyz2 = xyzpoint;
            }
            else
            {
                xyz2 = xyzpoint2;
            }
            return xyz2;
        }

        public static XYZ GetAxisPoint(UIDocument UIDoc, XYZ ptUser, XYZ ptOrigin)
        {
            XYZ xyz = JigFuncs.PointToPlane(ptOrigin, UIDoc.ActiveView.ViewDirection, ptUser);
            XYZ xyz2;
            if (xyz.DistanceTo(ptOrigin) < 0.0032808398950131233)
            {
                xyz2 = null;
            }
            else
            {
                View activeView = UIDoc.ActiveView;
                Line line = Line.CreateUnbound(ptOrigin, activeView.RightDirection);
                XYZ xyz3 = line.Project(xyz).XYZPoint;
                if (xyz3.DistanceTo(ptOrigin) > 0.1 && JigFuncs.smethod_0(xyz3, ptOrigin, xyz) < 0.017453292519943295)
                {
                    xyz2 = xyz3;
                }
                else
                {
                    line = Line.CreateUnbound(ptOrigin, activeView.UpDirection);
                    xyz3 = line.Project(xyz).XYZPoint;
                    if (xyz3.DistanceTo(ptOrigin) > 0.1 && JigFuncs.smethod_0(xyz3, ptOrigin, xyz) < 0.017453292519943295)
                    {
                        xyz2 = xyz3;
                    }
                    else
                    {
                        Transform transform = Transform.CreateRotation(activeView.ViewDirection, 0.78539816339744828);
                        XYZ xyz4 = transform.OfVector(activeView.RightDirection);
                        line = Line.CreateUnbound(ptOrigin, xyz4);
                        xyz3 = line.Project(xyz).XYZPoint;
                        if (xyz3.DistanceTo(ptOrigin) > 0.1 && JigFuncs.smethod_0(xyz3, ptOrigin, xyz) < 0.017453292519943295)
                        {
                            xyz2 = xyz3;
                        }
                        else
                        {
                            xyz4 = transform.OfVector(activeView.UpDirection);
                            line = Line.CreateUnbound(ptOrigin, xyz4);
                            xyz3 = line.Project(xyz).XYZPoint;
                            if (xyz3.DistanceTo(ptOrigin) > 0.1 && JigFuncs.smethod_0(xyz3, ptOrigin, xyz) < 0.017453292519943295)
                            {
                                xyz2 = xyz3;
                            }
                            else
                            {
                                xyz2 = null;
                            }
                        }
                    }
                }
            }
            return xyz2;
        }

        public static double smethod_0(XYZ pt1, XYZ ptOrigin, XYZ pt2)
        {
            XYZ xyz = pt1 - ptOrigin;
            XYZ xyz2 = pt2 - ptOrigin;
            return xyz.AngleTo(xyz2);
        }

        public static bool Screen2Client(IntPtr hWnd, ref Point pt)
        {
            return Class1.ScreenToClient(hWnd, ref pt);
        }

        public static bool Client2Screen(IntPtr hWnd, ref Point pt)
        {
            return Class1.ClientToScreen(hWnd, ref pt);
        }

        public static double RevitToScreenScale(UIView uiView, View view)
        {
            IList<XYZ> zoomCorners = uiView.GetZoomCorners();
            XYZ xyz = zoomCorners[0];
            XYZ xyz2 = zoomCorners[1];
            Transform inverse = view.CropBox.Transform.Inverse;
            xyz = inverse.OfPoint(xyz);
            xyz2 = inverse.OfPoint(xyz2);
            int num = 0;
            int num2 = 0;
            int num3 = 0;
            int num4 = 0;
            GetRevitWndRectangle(uiView, ref num, ref num2, ref num3, ref num4);
            return (xyz2.Y - xyz.Y) / (double)(num4 - num2);
        }
        public static void GetRevitWndRectangle(UIView view, ref int left, ref int top, ref int right, ref int bottom)
        {
            var windowRectangle = view.GetWindowRectangle();
            left = windowRectangle.Left;
            top = windowRectangle.Top;
            right = windowRectangle.Right;
            bottom = windowRectangle.Bottom;
        }
        public static XYZ PointToPlane(XYZ ptPlaneOrigin, XYZ vtPlane, XYZ ptUser)
        {
            Line line = Line.CreateUnbound(ptUser, vtPlane);
            return line.Project(ptPlaneOrigin).XYZPoint;
        }
    }
}