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

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Runtime.CompilerServices;
using System.Windows.Forms;


namespace HYJig
{
    public class XTextsJig : XUiJigBase
    {
        public XTextsJig(UIDocument uiDoc)
    : base(uiDoc)
        {
            this.JigStage = XTextsJig.EStage.eNoOper;
        }

        public XYZ DragTexts(List<TextNote> lstText, List<XYZ> lstTextCenterPt, XYZ ptBase, string strPrompt = "请确定位置：")
        {
            try
            {
                this.TextNotes = lstText;
                this.TextNoteCenter = lstTextCenterPt;
                this.BasePoint = ptBase;
                this.JigStage = XTextsJig.EStage.ePickPoint;
                this.PickPoint = base.UiDoc.Selection.PickPoint(strPrompt);
            }
            catch
            {
                this.PickPoint = null;
            }
            this.JigStage = XTextsJig.EStage.eNoOper;
            return this.PickPoint;
        }

        public override void Draw(PaintEventArgs paintEventArgs)
        {
            base.Draw(paintEventArgs);
            if (!this.m_ptCur.IsEmpty && this.JigStage == XTextsJig.EStage.ePickPoint && this.TextNotes.Count == this.TextNoteCenter.Count)
            {
                XYZ xyz = base.Client2Revit(this.m_ptCur);
                XYZ xyz2 = xyz - this.BasePoint;
                Transform transform = Transform.CreateTranslation(xyz2);
                Graphics graphics = paintEventArgs.Graphics;
                Brush black = Brushes.Black;
                StringFormat stringFormat = new StringFormat();
                stringFormat.Alignment = StringAlignment.Center;
                stringFormat.LineAlignment = StringAlignment.Center;
                try
                {
                    Point point = base.Revit2Client(this.BasePoint);
                    XGraphics xgraphics = new XGraphics(graphics, base.JigPen);
                    XLine2D xline2D = new XLine2D(point, this.m_ptCur);
                    xline2D.Draw(xgraphics);
                    for (int i = 0; i < this.TextNotes.Count; i++)
                    {
                        TextNote textNote = this.TextNotes[i];
                        XYZ xyz3 = this.TextNoteCenter[i];
                        xyz3 = transform.OfPoint(xyz3);
                        Point point2 = base.Revit2Client(xyz3);
                        PointF pointF = new PointF((float)point2.X, (float)point2.Y);
                        float num = this.method_14(textNote, xyz3);
                        string text = this.method_13(textNote);
                        Font font = new Font(text, num, GraphicsUnit.Pixel);
                        Matrix transform2 = graphics.Transform;
                        Matrix transform3 = graphics.Transform;
                        float num2 = this.method_15(textNote);
                        transform3.RotateAt(num2, pointF);
                        float num3 = (float)textNote.TextNoteType.get_Parameter((BuiltInParameter)(-1006327)).AsDouble();
                        transform3.Scale(num3, 1f);
                        graphics.Transform = transform3;
                        pointF.X /= num3;
                        graphics.DrawString(textNote.Text, font, black, pointF, stringFormat);
                        graphics.Transform = transform2;
                        font.Dispose();
                    }
                }
                catch
                {
                }
            }
        }

        private string method_13(TextNote textNote_0)
        {
            string name = textNote_0.TextNoteType.Name;
            string text;
            if (name.IndexOf("仿宋") >= 0)
            {
                text = "仿宋";
            }
            else if (name.IndexOf("宋体") >= 0)
            {
                text = "宋体";
            }
            else if (name.IndexOf("黑体") >= 0)
            {
                text = "黑体";
            }
            else if (name.IndexOf("Arial") >= 0)
            {
                text = "Arial";
            }
            else
            {
                text = "宋体";
            }
            return text;
        }

        private float method_14(TextNote textNote_0, XYZ xyz_2)
        {
            double num = textNote_0.TextNoteType.get_Parameter((BuiltInParameter)(-1006301)).AsDouble();
            double height = textNote_0.Height;
            double num2 = 0.5 * (num + height) * (double)base.UiDoc.Document.ActiveView.Scale;
            XYZ xyz = xyz_2 + base.UiDoc.Document.ActiveView.UpDirection * 0.5 * num2;
            Point point = base.Revit2Client(xyz_2);
            Point point2 = base.Revit2Client(xyz);
            double num3 = Math.Abs(point.X - point2.X);
            double num4 = Math.Abs(point.Y - point2.Y);
            double num5 = Math.Sqrt(num3 * num3 + num4 * num4);
            return (float)(2.0 * num5);
        }

        private float method_15(TextNote textNote_0)
        {
            Autodesk.Revit.DB.View activeView = base.UiDoc.Document.ActiveView;
            double num = activeView.RightDirection.AngleOnPlaneTo(textNote_0.BaseDirection, activeView.ViewDirection);
            if (num > 1.5707963267948966)
            {
                if (num <= 4.71238898038469)
                {
                    num -= Math.PI;
                }
                else if (num <= 6.2831853071795862)
                {
                    num -= 6.2831853071795862;
                }
            }
            float num2 = (float)(num / Math.PI * 180.0);
            return -num2;
        }

        private XYZ method_16(TextNote textNote_0)
        {
            BoundingBoxXYZ boundingBoxXYZ = textNote_0.get_BoundingBox(base.UiDoc.ActiveView);
            XYZ min = boundingBoxXYZ.Min;
            XYZ max = boundingBoxXYZ.Max;
            return min + (max - min) / 2.0;
        }

        public List<TextNote> TextNotes { get; set; }

        public List<XYZ> TextNoteCenter { get; set; }

        public XYZ BasePoint { get; set; }

        public XYZ PickPoint { get; set; }

        public XTextsJig.EStage JigStage { get; set; }

        public enum EStage
        {
            eNoOper,
            ePickPoint
        }
    }
}