using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Events;
using Autodesk.Revit.DB.Plumbing;
using Autodesk.Revit.UI;
using HStation.RevitDev.Model.ModelEnum;
using HStation.RevitDev.RevitDataExport.Common;
using System;
using System.Collections.Generic;

namespace HStation.RevitDev.RevitDataExport.Utility
{
    public class DocumentUtil
    {
        public static void RegistDocumentEvent(Application app)
        {
            app.DocumentChanged -= App_DocumentChanged;
            app.DocumentChanged += App_DocumentChanged;
        }

        private static void App_DocumentChanged(object sender, DocumentChangedEventArgs e)
        {
            var doc = e.GetDocument();

            var addedIds = e.GetAddedElementIds();
            var removeIds = e.GetDeletedElementIds();
            var modifiedIds = e.GetModifiedElementIds();

            bool instancePlacing = GlobalResource.InstancePlacing;
            bool pipePlacing = GlobalResource.PipePlacing;

            if (pipePlacing)
            {
                foreach (var id in addedIds)
                {
                    var elem = doc.GetElement(id);
                    if (elem is FamilyInstance fi)
                    {
                        AddAutoCreated(fi);
                    }
                    if (elem is Pipe)
                    {
                        GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                        AddManualCreated(elem);
                    }
                }
            }
            else if (instancePlacing)
            {
                foreach (var id in addedIds)
                {
                    var elem = doc.GetElement(id);
                    if (elem is FamilyInstance)
                    {
                        GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                        AddManualCreated(elem);
                    }
                }
            }
            else
            {
                bool isPumpSystemElement = false;
                foreach (var id in addedIds)
                {
                    if (IsConnectedWithPumpSystem(doc, id))
                    {
                        isPumpSystemElement = true;
                    }
                }

                if (isPumpSystemElement)
                {
                    foreach (var id in addedIds)
                    {
                        AddToPumpSystem(doc, id);
                    }
                }
            }

            foreach (var id in removeIds)
            {
                if (GlobalResource.ElementIds.Contains(id.IntegerValue.ToString()))
                {
                    GlobalResource.ElementIds.Remove(id.IntegerValue.ToString());
                    TaskDialog.Show("提示", "删除元素：" + id.IntegerValue.ToString());
                }
            }

            foreach (var id in modifiedIds)
            {
                if (GlobalResource.ElementIds.Contains(id.IntegerValue.ToString()))
                {

                }
            }
        }

        private static bool IsConnectedWithPumpSystem(Document doc, ElementId id)
        {
            var elem = doc.GetElement(id);
            if (elem is Pipe pipe) //直接点击水泵的连接件创建管道
            {
                if (pipe.ConnectWithPumpSystem())
                {
                    //GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                    //TaskDialog.Show("提示", "增加管道：" + id.IntegerValue.ToString());
                    //AddManualCreated(elem);
                    return true;
                }
            }
            else if (elem is FamilyInstance fi)
            {
                if (fi.ConnectWithPumpSystem()) //直接点击管道连接点创建管道时，Revit会自动创建弯头，都需要加入到缓存
                {
                    //GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                    //TaskDialog.Show("提示", "增加族实例：" + id.IntegerValue.ToString());
                    //AddManualCreated(elem);
                    return true;
                }
            }
            return false;
        }

        private static void AddToPumpSystem(Document doc, ElementId id)
        {
            var elem = doc.GetElement(id);
            if (elem is Pipe)
            {
                GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                AddToMap(elem, RevitType.RFT_Pipe);
            }
            else if (elem is FamilyInstance fi)
            {
                GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
                AddAutoCreated(fi);
            }
            return;
        }

        private static void AddAutoCreated(FamilyInstance fi)
        {
            var id = fi.Id;
            GlobalResource.ElementIds.Add(id.IntegerValue.ToString());
            if (fi.IsWanTou())
            {
                AddToMap(fi, RevitType.RFT_Elbow);
            }
            else if (fi.IsSanTong())
            {
                AddToMap(fi, RevitType.RFT_ThreeJoint);
            }
            else if (fi.IsSiTong())
            {
                AddToMap(fi, RevitType.RFT_FourJoint);
            }
            else
            {
                TaskDialog.Show("警告", $"未知类型被添加！id:{fi.Id.IntegerValue}");
                //报错
            }
        }

        private static void AddManualCreated(Element elem)
        {
            var id = elem.Id.IntegerValue.ToString();
            if (!GlobalResource.RevitModels.ContainsKey(GlobalResource.RevitFamilyType))
            {
                GlobalResource.RevitModels.Add(GlobalResource.RevitFamilyType, new List<string>());
                GlobalResource.RevitModels[GlobalResource.RevitFamilyType].Add(id);
                TaskDialog.Show("提示", "增加族实例：" + id);
            }
            else if(!GlobalResource.RevitModels[GlobalResource.RevitFamilyType].Contains(id))
            {
                GlobalResource.RevitModels[GlobalResource.RevitFamilyType].Add(id);
                TaskDialog.Show("提示", "增加族实例：" + id);
            }
        }

        private static void AddToMap(Element elem, RevitType revitType)
        {
            var id = elem.Id.IntegerValue.ToString();
            if (!GlobalResource.RevitModels.ContainsKey(revitType))
            {
                GlobalResource.RevitModels.Add(revitType, new List<string>());
                GlobalResource.RevitModels[revitType].Add(id);
                TaskDialog.Show("提示", "增加族实例：" + id);
            }
            else if (!GlobalResource.RevitModels[revitType].Contains(id))
            {
                GlobalResource.RevitModels[revitType].Add(id);
                TaskDialog.Show("提示", "增加族实例：" + id);
            }
        }
    }
}