using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace KMBIM.Revit.Tools.Utils
{
    class Creator
    {
        static SketchPlane NewSketchPlanePassLine(UIApplication pUiapp, Line line)
        {
            Document doc = pUiapp.ActiveUIDocument.Document;
            XYZ p = line.GetEndPoint(0);
            XYZ q = line.GetEndPoint(1);
            XYZ norm;
            if (p.X == q.X)
            {
                norm = XYZ.BasisX;
            }
            else if (p.Y == q.Y)
            {
                norm = XYZ.BasisY;
            }
            else
            {
                norm = XYZ.BasisZ;
            }
            Plane plane = Plane.CreateByNormalAndOrigin(norm, p);
            SketchPlane skPlane = SketchPlane.Create(doc, plane);
            return skPlane;
        }

        public static ModelCurve Create3DModelLine(UIApplication pUiapp, XYZ p, XYZ q, int builtInCategory, bool pblnIsFamily = false)
        {
            Document doc = pUiapp.ActiveUIDocument.Document;
            ModelCurve mCurve = null;
   
            try
            {
                if (p.IsAlmostEqualTo(q))
                {
                    throw new System.ArgumentException("Expected two different points.");
                }
                Line line = Line.CreateBound(p, q);
                if (null == line)
                {
                    throw new Exception("Geometry line creation failed.");
                }

                if (pblnIsFamily)
                {
                    mCurve = doc.FamilyCreate.NewModelCurve(line, NewSketchPlanePassLine(pUiapp, line)); // not needed , pblnIsFamily));
                }
                else
                {
                    mCurve = doc.Create.NewModelCurve(line, NewSketchPlanePassLine(pUiapp, line)); // not needed , pblnIsFamily));
                }
                // set linestyle
                ICollection<ElementId> styles = mCurve.GetLineStyleIds();
                foreach (ElementId eid in styles)
                {
                    Element e = doc.GetElement(eid);
                    GraphicsStyle grStyle = e as GraphicsStyle;
                    if (grStyle != null)
                    {
                        if (grStyle.GraphicsStyleCategory.Id.IntegerValue == builtInCategory)
                        {
                            GraphicsStyle gs = mCurve.LineStyle as GraphicsStyle;
                            
                            mCurve.LineStyle = e;
                            break;
                        }
                    }
                }
            }
            catch (Autodesk.Revit.Exceptions.ExternalApplicationException ex)
            {
                MessageBox.Show(ex.Source + Environment.NewLine + ex.StackTrace + Environment.NewLine + ex.Message);
            }
      
            return mCurve;
        }


        public static ModelCurve Create3DModelLineTransaction(UIApplication pUiapp, XYZ p, XYZ q, int builtInCategory, bool pblnIsFamily = false)
        {
            Document doc = pUiapp.ActiveUIDocument.Document;
            ModelCurve mCurve = null;
            using (Transaction tr = new Transaction(doc, "Create3DModelLine"))
            {
                tr.Start();
                mCurve=Create3DModelLine(pUiapp, p, q, builtInCategory, pblnIsFamily);
                tr.Commit();
            }
            return mCurve;
        }
    }
}