using System;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB;
using System.Diagnostics;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Linq;
using Autodesk.Revit.Creation;
using Autodesk.Revit.UI.Selection;
using Autodesk.Revit.DB.Structure;
using System.Drawing;
using System.IO;
using System.Windows;
//using System.Windows.Media; // WindowsBase
//using System.Windows.Media.Imaging; // PresentationCore
using Size = System.Drawing.Size;
using KDCS.Utils;
using KMBIM.Revit.Tools;

namespace KMBIM
{
    [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
    [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
    public class SprinKlerSpray : IExternalCommand
    {
        UIApplication m_application;
        Autodesk.Revit.Creation.ItemFactoryBase m_CreationBase;
        UIDocument m_document;
        Autodesk.Revit.DB.Document doc;

        public const double PI = 3.14159265358;
        public Autodesk.Revit.UI.ExternalCommandData m_revit;
        public double ksv = 7.545932;   //2300을 pit로 변환해놓은값 
        public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit, ref string message, ElementSet elements)
        {
            if (!WorkMain.GetInstance().IsValid) return Autodesk.Revit.UI.Result.Succeeded;
            m_application = revit.Application;
            m_document = m_application.ActiveUIDocument;
            doc = m_document.Document;
            if (m_document.Document.IsFamilyDocument)
                m_CreationBase = m_document.Document.FamilyCreate;
            else
                m_CreationBase = m_document.Document.Create;
            try
            {

                m_revit = revit;

                //살수반경 표시

                GetRadius dlg = new GetRadius();
                dlg.textBox1.Text = "2300";
                if (dlg.ShowDialog() == DialogResult.OK)
                {

                    SprayRadius(Convert.ToDouble(dlg.textBox1.Text));
                }

            }
            catch (Exception e)
            {
                //message = e.Message;
                return Autodesk.Revit.UI.Result.Failed;
            }

            return Autodesk.Revit.UI.Result.Succeeded;
        }

        private void SprayRadius(double getradius)
        {
            if (getradius <= 0)
            {
                MessageBox.Show("입력한 값이 없거나 0입니다. 기본값으로 표시합니다.");
                getradius = 2300;
            }

            double radius = Unit.MMToFeet(getradius);
            //double radius = Unit.CovertToAPI(getradius, DisplayUnitType.DUT_MILLIMETERS);
            IList<Element> ElementList = m_revit.Application.ActiveUIDocument.Selection.PickElementsByRectangle();

            FamilySymbol sp_dia = LoadFamilys("\\SP_Dia.rfa", "SP_Dia");

            if (sp_dia == null)
                sp_dia = getNameByFamily("SP_Dia");
            using (Transaction trans = new Transaction(doc))
            {
                trans.Start("NewFamilyInstance");
                for (int i = 0; i < ElementList.Count; i++)
                {
                    if (ElementList[i].Category.Name == "Sprinklers" || ElementList[i].Category.Name == "스프링클러")
                    {
                        Autodesk.Revit.DB.LocationPoint asdf = ElementList[i].Location as Autodesk.Revit.DB.LocationPoint;

                        XYZ location = asdf.Point;
                        FamilyInstance fi = null;

                        if (sp_dia.IsActive == false)
                            sp_dia.Activate();
                        fi = m_document.Document.Create.NewFamilyInstance(location, sp_dia, StructuralType.NonStructural);



                        Definition df = GetDefinition(fi, "Diameter");
                        if (df == null) df = GetDefinition(fi, "지름");
                        Parameter familyParam = fi.get_Parameter(df);
                        bool sw = familyParam.Set(radius);

                    }

                }
                trans.Commit();
            }

        }
        private FamilySymbol LoadFamilys(string famroot, string famname)
        {
            string versionNumber = doc.Application.VersionNumber.ToString();

            UIApplication uiapp = m_revit.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            doc = uidoc.Document;
            //string Tmp = System.Reflection.Assembly.GetExecutingAssembly().Location;
            //Tmp = Tmp.Replace("\\KMBIM2019.dll", "");
            string Tmp = Util.GetKMBIMLibraryFolder("Libraries\\Sprinkler");
            // get the active view's level for beam creation
            Level level = m_document.Document.GetElement(m_document.ActiveView.LevelId) as Level;
            // load a family symbol from file
            FamilySymbol gotSymbol = null;
            String fileName = Tmp + "\\" + versionNumber + famroot;//  "\\data\\2010-0240312-글로브_밸브_(플랜지형).rfa";
            // 아래의 이름은 패밀리 고유의 이름이다. 패밀리 작업할때 입력하게 되어있다.
            String name = famname;//"2010-0240312-글로브_밸브_(플랜지형)";

            FamilyInstance instance = null;
            // 패밀리를 로드한다.
            Family fam = null;
            ElementType elemType = null;

            //m_document.Document.LoadFamilySymbol(fileName, "", out gotSymbol);
            bool sw = false;
            using (Transaction trans = new Transaction(doc))
            {
                trans.Start("LoadFamily");
                sw = m_document.Document.LoadFamily(fileName, out fam);
                trans.Commit();
            }

            if (sw == true)
            {
                /*foreach (FamilySymbol c in fam.Symbols)
                {
                    gotSymbol = c;

                }*/
                ISet<ElementId> fam_ids = fam.GetFamilySymbolIds();
                List<string> fam_sym_names = new List<string>();

                if (fam_ids.Count() == 0) return null;
                gotSymbol = (FamilySymbol)doc.GetElement(fam_ids.ElementAt(0));

            }
            return gotSymbol;
        }
        // 패밀리 존재 여부 검토
        private FamilySymbol getNameByFamily(string name)
        {

            List<FamilyInstanceCreationData> fiCreationDatas = new List<FamilyInstanceCreationData>();
            ElementSet elementSet = null;
            //Try to get a FamilySymbol
            FilteredElementCollector collector = new FilteredElementCollector(m_revit.Application.ActiveUIDocument.Document);
            ICollection<Element> collection = collector.OfClass(typeof(FamilySymbol)).ToElements();
            FamilySymbol Symbol;
            FamilySymbol target = null;

            foreach (Element e in collection)
            {

                Symbol = e as FamilySymbol;



                if (null != Symbol.Category)
                {
                    if (name == Symbol.Family.Name)
                    {
                        // MessageBox.Show(Symbol.Family.Name);
                        target = Symbol;
                        break;
                    }
                }
            }

            return target;
        }

        /// <summary>
        /// 매개 변수 정의를 반환합니다.
        /// 주어진 요소와 매개 변수 이름.
        /// </summary>
        static Definition GetDefinition(Element elem, string parameter_name)
        {
            IList<Parameter> ps = elem.GetParameters(parameter_name);

            int n = ps.Count;

            Debug.Assert(1 >= n, "expected maximum one shared parameters" + "named " + parameter_name);

            Definition d = (0 == n) ? null
                : ps[0].Definition;

            return d;
        }
    }
}