using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Windows;

using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;

using Nice3point.Revit.Toolkit.External;

using Szmedi.RvKits.Assists.ProgressWrapper;

namespace Szmedi.RvKits.ModelManager
{
    [Transaction(TransactionMode.Manual)]

    public class ResolveLevelCmd : ExternalCommand
    {
        //TODO
        public override void Execute()
        {
            var result= MessageBox.Show("将对所有参照标高与当前位置不匹配的构件的参照标高重新设置，并保持位置不变？", "提示", MessageBoxButton.YesNo, MessageBoxImage.Question);
            if (result != MessageBoxResult.Yes)
            {
                return;
            }
            //按照构件归属楼层，分层定义
            var levels = new FilteredElementCollector(Document)
                .OfClass(typeof(Level))
                .OfCategory(BuiltInCategory.OST_Levels)
                .Cast<Level>()
                .OrderBy(l => l.Elevation)
                .ToList();
            var levelOutlines = Document.GetLevelRanges();

            var sb = new StringBuilder();

            FilteredElementCollector allModels = Document.OfParentModelCollector();
            if (allModels == null)
            {
                MessageBox.Show("没有找到模型元素", "错误");
                return;
            }
            Debug.WriteLine("所有元素：" + allModels.Count());
            using (var tg = new TransactionGroup(Document, "标高重设"))
            {
                tg.Start();
                for (var i = 0; i < levelOutlines.Count; i++)
                {
                    var item = levelOutlines.ElementAt(i);
                    //处理每个元素
                    BoundingBoxIsInsideFilter insideFilter = new(item.Value);
                    var insideCollector = Document.OfParentModelCollector().WherePasses(insideFilter);
                    Debug.WriteLine($"{item.Key.Name}包含的元素:" + insideCollector.Count());
                    var level = item.Key;
                    if (insideCollector.Any())
                    {
                        allModels.Excluding(insideCollector.ToElementIds());
                    }
                    ProgressBarManager<Element> manager = new(
                        UiDocument,
                        insideCollector.ToElements(),
                        (uidoc, elem, obj) =>
                        {
                            try
                            {
                                if (elem.LevelId == item.Key.Id)
                                {
                                    return;
                                }
                                //过滤掉不需要设置标高的元素
                                var boundingBox = elem.get_BoundingBox(ActiveView);
                                if (boundingBox == null)
                                {
                                    return;
                                }

                                //获取构件定位方式，基于标高，基于主体（基于面，基于线，基于主体构件：墙板等），基于点
                                if (elem is FamilyInstance familyInstance)
                                {
                                    if (familyInstance.Category.Id.IntegerValue is -2001320)//梁
                                    {
                                        return;
                                    }
                                    var placementType = familyInstance.Symbol.Family.FamilyPlacementType;

                                    switch (placementType)
                                    {
                                        case FamilyPlacementType.OneLevelBased:
                                            BaseLevelHelpers.ModifyOneLevelBasedFamily(level, familyInstance);
                                            break;
                                        case FamilyPlacementType.OneLevelBasedHosted:
                                            break;
                                        case FamilyPlacementType.TwoLevelsBased:
                                            BaseLevelHelpers.ModifyTwoLevelBasedFamily(levels, level, familyInstance);
                                            break;
                                        case FamilyPlacementType.ViewBased:
                                            break;
                                        case FamilyPlacementType.WorkPlaneBased:
                                            BaseLevelHelpers.ModifyWorkPlaneBasedFamily(level, familyInstance);
                                            break;
                                        case FamilyPlacementType.CurveBased:
                                            BaseLevelHelpers.ModifyCurveBasedFamily(level, familyInstance);
                                            break;
                                        case FamilyPlacementType.CurveBasedDetail:
                                            break;
                                        case FamilyPlacementType.CurveDrivenStructural:
                                            break;
                                        case FamilyPlacementType.Adaptive:
                                            break;
                                        case FamilyPlacementType.Invalid:
                                            break;
                                    }
                                    Document.Regenerate();
                                }
                                else if (elem is Wall wall)
                                {
                                    BaseLevelHelpers.ModifyWall(ActiveView, levels, level, wall);
                                    Document.Regenerate();
                                }
                                else if (elem is MEPCurve)
                                {
                                    elem.get_Parameter(BuiltInParameter.RBS_START_LEVEL_PARAM).Set(level.Id);
                                    Document.Regenerate();
                                }
                            }
                            catch (Exception ex)
                            {
                                sb.AppendLine($"{elem.Name}-{elem.Id}-{ex.Message}");
                            }
                        }, $"重设标高<{level.Name}>");
                    manager.ProgressModal();
                }
                tg.Assimilate();
            }
            //await doc.ProcessComplicateTasks(
            //      levelOutlines,
            //      keyPair =>
            //      {
            //          //得到在标高范围内的元素

            //      }, "标高重设");
            //LogAssists.WriteTxtFile("错误元素", sb.ToString());
            //foreach (var item in allModels)
            //{
            //    await Task.Delay(50);
            //    Debug.WriteLine($"元素{item.Name}");
            //}

            if (sb.Length > 0)
            {
                MessageBox.Show(sb.ToString(), "处理结果");
            }
        }

    }
}