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

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Windows.Forms;



namespace HYJig
{
    public class GClass0 : XUiJigBase
    {
        [DllImport("User32.dll")]
        private static extern int SetCursorPos(int int_0, int int_1);

        public GClass0.EStage JigStage { get; set; }

        public GClass0(UIDocument uiDoc)
    : base(uiDoc)
        {
            this.JigStage = GClass0.EStage.eLeftDownPt;
        }

        public XYZ PickAuxiliaryFramePoint(string strPrompt = "请确定立管:")
        {
            XYZ xyz = null;
            try
            {
                xyz = base.UiDoc.Selection.PickPoint(strPrompt);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return xyz;
        }

        public override void Key(KeyEventArgs keyEventArgs)
        {
            base.Key(keyEventArgs);
            if (keyEventArgs.KeyData == Keys.Space)
            {
                this.method_13();
            }
        }

        public override void Draw(PaintEventArgs paintEventArgs)
        {
            try
            {
                base.Draw(paintEventArgs);
                if (!this.m_ptCur.IsEmpty)
                {
                    this.xVector = new XYZ(1.0, Math.Tan(this.angle * Math.PI / 180.0), 0.0).Normalize();
                    this.yVector = new XYZ(-Math.Tan(this.angle * Math.PI / 180.0), 1.0, 0.0).Normalize();
                    XGraphics xgraphics = new XGraphics(paintEventArgs.Graphics, base.JigPen);
                    XYZ xyz = this.method_14(base.Client2Revit(this.m_ptCur), this.length / 304.8);
                    XCircle2D xcircle2D = new XCircle2D(base.Revit2Client(xyz), XDrawable2D.GetDistance(base.Revit2Client(xyz), base.Revit2Client(xyz + this.diameter / 304.8 * new XYZ(1.0, 0.0, 0.0))) / 2);
                    xcircle2D.Draw(xgraphics);
                    if (this.isAuxiliaryFrame)
                    {
                        if (this.length != 0.0)
                        {
                            XYZ xyz2 = xyz.Add(-this.length / 304.8 / 2.0 * this.xVector).Add(this.length / 304.8 / 2.0 * this.yVector);
                            XYZ xyz3 = xyz.Add(-this.length / 304.8 / 2.0 * this.xVector).Add(-this.length / 304.8 / 2.0 * this.yVector);
                            XYZ xyz4 = xyz.Add(this.length / 304.8 / 2.0 * this.xVector).Add(this.length / 304.8 / 2.0 * this.yVector);
                            XYZ xyz5 = xyz.Add(this.length / 304.8 / 2.0 * this.xVector).Add(-this.length / 304.8 / 2.0 * this.yVector);
                            XLine2D xline2D = new XLine2D(base.Revit2Client(xyz2), base.Revit2Client(xyz3));
                            xline2D.Draw(xgraphics);
                            xline2D = new XLine2D(base.Revit2Client(xyz3), base.Revit2Client(xyz5));
                            xline2D.Draw(xgraphics);
                            xline2D = new XLine2D(base.Revit2Client(xyz5), base.Revit2Client(xyz4));
                            xline2D.Draw(xgraphics);
                            xline2D = new XLine2D(base.Revit2Client(xyz4), base.Revit2Client(xyz2));
                            xline2D.Draw(xgraphics);
                            if (this.bool_1)
                            {
                                this.bool_1 = false;
                                GClass0.SetCursorPos(GClass0.ScreenCursorPosition.X - 1, GClass0.ScreenCursorPosition.Y);
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        [DllImport("User32.dll")]
        public static extern int GetCursorPos(out Point point);

        public static Point ScreenCursorPosition
        {
            get
            {
                Point point = default(Point);
                GClass0.GetCursorPos(out point);
                return point;
            }
        }

        private void method_13()
        {
            if (this.JigStage == GClass0.EStage.eCenterPt)
            {
                this.JigStage = GClass0.EStage.eLeftUpPt;
            }
            else if (this.JigStage == GClass0.EStage.eLeftUpPt)
            {
                this.JigStage = GClass0.EStage.eLeftDownPt;
            }
            else if (this.JigStage == GClass0.EStage.eLeftDownPt)
            {
                this.JigStage = GClass0.EStage.eRightDownOper;
            }
            else if (this.JigStage == GClass0.EStage.eRightDownOper)
            {
                this.JigStage = GClass0.EStage.eRightUpOper;
            }
            else if (this.JigStage == GClass0.EStage.eRightUpOper)
            {
                this.JigStage = GClass0.EStage.eCenterPt;
            }
            GClass0.SetCursorPos(GClass0.ScreenCursorPosition.X + 1, GClass0.ScreenCursorPosition.Y);
            this.bool_1 = true;
        }

        private XYZ method_14(XYZ xyz_0, double double_0)
        {
            if (this.isAuxiliaryFrame)
            {
                if (this.JigStage == GClass0.EStage.eLeftUpPt)
                {
                    xyz_0 = xyz_0.Add(double_0 / 2.0 * this.xVector).Add(-double_0 / 2.0 * this.yVector);
                }
                else if (this.JigStage == GClass0.EStage.eLeftDownPt)
                {
                    xyz_0 = xyz_0.Add(double_0 / 2.0 * this.xVector).Add(double_0 / 2.0 * this.yVector);
                }
                else if (this.JigStage == GClass0.EStage.eRightDownOper)
                {
                    xyz_0 = xyz_0.Add(-double_0 / 2.0 * this.xVector).Add(double_0 / 2.0 * this.yVector);
                }
                else if (this.JigStage == GClass0.EStage.eRightUpOper)
                {
                    xyz_0 = xyz_0.Add(-double_0 / 2.0 * this.xVector).Add(-double_0 / 2.0 * this.yVector);
                }
            }
            return xyz_0;
        }

        public double length = 0.0;

        public double diameter = 0.0;

        public bool isAuxiliaryFrame = false;

        public double angle = 0.0;

        public XYZ xVector = new XYZ(1.0, 0.0, 0.0);

        public XYZ yVector = new XYZ(0.0, 1.0, 0.0);

        private bool bool_1 = false;

        public enum EStage
        {
            eCenterPt,
            eLeftUpPt,
            eLeftDownPt,
            eRightDownOper,
            eRightUpOper
        }
    }
}