using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Electrical;
using Autodesk.Revit.DB.Mechanical;
using Autodesk.Revit.DB.Plumbing;
using Nice3point.Revit.Toolkit.External;

using ShrlAlgoToolkit.RevitAddins.Common.Assists;
using ShrlAlgoToolkit.RevitAddins.Windows;

namespace ShrlAlgoToolkit.RevitAddins.RvMEP;

/// <summary>
///     Revit执行命令
/// </summary>
[Transaction(TransactionMode.Manual)]
public class HeadroomCheckCmd : ExternalCommand
{
	private void CheckHeadroom(IEnumerable<MEPCurve> elems, double compareMetric, double minValueMetric, double minLengthMetric)
	{
		var messages = new List<MessageModel>();
		var headroomValue = compareMetric / 304.8;
		var ignoreBelowValue = minValueMetric / 304.8;
		var minHeadroom = double.MaxValue;
		var minLength = minLengthMetric / 304.8;
		Element element = null;
		foreach (var item in elems)
		{
			if (item.GetCurve().Length < minLength)
			{
				continue;
			}

			var conns = item.ConnectorManager.Connectors.OfType<Connector>().ToList();
			var level = item.ReferenceLevel;
#if REVIT2018 || REVIT2020
            if (conns.Any(conn => conn.GetConnectedConnector()?.Owner.Category.Id.IntegerValue == -2001140))
#elif REVIT2025
            if (conns.Any(conn => conn.GetConnectedConnector()?.Owner.Category.Id.Value == -2001140))
#endif
            {
                continue;
			}

			var s = item.get_Parameter(BuiltInParameter.RBS_DUCT_SLOPE);
			if (item is Duct duct && s.HasValue && Math.Atan(s.AsDouble()) < Math.PI / 3)
			{
				var p1 = item.get_Parameter(BuiltInParameter.RBS_OFFSET_PARAM).AsDouble();
				var subtract = conns.FirstOrDefault()!.Shape switch
				{
					ConnectorProfileType.Round => duct.Diameter / 2,
					ConnectorProfileType.Rectangular => duct.Height / 2,
					ConnectorProfileType.Oval => duct.Height / 2,
					_ => default
				};

				if (p1 - subtract < headroomValue && p1 - subtract > ignoreBelowValue)
				{
					var lowOffset = p1 - subtract;
					if (lowOffset < minHeadroom)
					{
						minHeadroom = lowOffset;
						element = item;
					}

					MessageModel checkElement = new(item, $"底高程： {Math.Round(lowOffset * 304.8, 1)} mm\n\r参照标高：{level.Name}");
					messages.Add(checkElement);
				}
			}

			var p = item.get_Parameter(BuiltInParameter.RBS_PIPE_SLOPE);
			if (item is Pipe pipe && p.HasValue && Math.Atan(p.AsDouble()) < Math.PI / 3)
			{
				var p1 = item.get_Parameter(BuiltInParameter.RBS_OFFSET_PARAM).AsDouble();
				if (p1 - (pipe.Diameter / 2) < headroomValue && p1 - (pipe.Diameter / 2) > ignoreBelowValue)
				{
					var lowOffset = p1 - (pipe.Diameter / 2);
					if (lowOffset < minHeadroom)
					{
						minHeadroom = lowOffset;
						element = item;
					}

					MessageModel checkElement = new(item, $"底高程：{Math.Round(lowOffset * 304.8, 1)}mm\n\r参照标高：{level.Name}");
					messages.Add(checkElement);
				}
			}

			if (item is Conduit or CableTray)
			{
				var p1 = item.get_Parameter(BuiltInParameter.RBS_START_OFFSET_PARAM).AsDouble();
				var p2 = item.get_Parameter(BuiltInParameter.RBS_END_OFFSET_PARAM).AsDouble();
				if (Math.Abs(p1 - p2) < 0.00001)
				{
					var p3 = item.get_Parameter(BuiltInParameter.RBS_CTC_BOTTOM_ELEVATION).AsDouble();
					if (p3 < minHeadroom)
					{
						minHeadroom = p3;
						element = item;
					}

					if (p3 < headroomValue && p3 > ignoreBelowValue)
					{
						MessageModel checkElement = new(item, $"底高程：{Math.Round(p3 * 304.8)}mm\n\r参照标高：{level.Name}");
						messages.Add(checkElement);
					}
				}
			}
		}

		MessageViewModel viewmodel = new(UiDocument, messages, "净高检查结果");
		if (element != null)
		{
			viewmodel.Footer = $"最低净高={Math.Round(minHeadroom * 304.8)}mm,元素：{element.Name},Id：{element.Id}";
			UiDocument.Selection.SetElementIds(new List<ElementId> { element.Id });
		}
        Common.Assists.WinDialogAssist.ShowModeless<MessageWin>(viewmodel);
	}

	public override void Execute()
	{
        Common.Assists.WinDialogAssist.ShowOrActivate<HeadroomCheckView, HeadroomCheckViewModel>(UiApplication);
		//try
		//{
		//    InputMessageBox inputMessage = new("净高限制", "请输出净高要求高度（mm）");
		//    inputMessage.ShowDialog();
		//    if (inputMessage.DialogResult == true)
		//    {
		//        var elems = UiDocument.Selection
		//       .PickElementsByRectangle(new FuncFilter(e => e is ElementToMove, (_, _) => true))
		//       .OfType<ElementToMove>();
		//        if (double.TryParse(inputMessage.InputContent, out var headroomValue))
		//        {
		//            CheckHeadroom(elems, headroomValue, 1000, 300);
		//        }
		//    }
		//    else
		//    {
		//        var elem = UiDocument.SelectObject<DirectShape>();
		//        var clashFilter = new ElementIntersectsElementFilter(elem, false);
		//        var elems = Document.OfCollector().WherePasses(clashFilter).OfType<ElementToMove>();
		//        if (double.TryParse(inputMessage.InputContent, out var headroomValue))
		//        {
		//            CheckHeadroom(elems, headroomValue, 1000, 300);
		//        }
		//    }
		//}
		//catch (Autodesk.Revit.Exceptions.OperationCanceledException)
		//{
		//}
	}
}