using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Nice3point.Revit.Toolkit.External;


namespace ShrlAlgoToolkit.RevitAddins.RvView;

[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class AdaptiveMEPTagCmd : ExternalCommand
{
    public override void Execute()
    {
        try
        {
            var tags = UiDocument.SelectObjects<IndependentTag>();
            var toRotate = new List<IndependentTag>();
            var toDelete = new List<ElementId>();
            foreach (var tag in tags)
            {
                var mep = Document.GetElement(tag.TaggedElementId.HostElementId);
                var loc = mep.Location as LocationCurve;
                var c = loc.Curve.Length < 2;
                if (c || Math.Abs((loc.Curve as Line).Direction.Z) > 0.2)
                {
                    toDelete.Add(tag.Id);
                    continue;
                }
                if (loc.Curve is Line l)
                {
                    var ra = l.Direction.AngleTo(XYZ.BasisX);
                    if (ra > Math.PI / 4 && ra < Math.PI / 4 * 3)
                    {
                        toRotate.Add(tag);
                    }
                }
            }
            Document.Invoke(
                ts =>
                {
                    foreach (var item in toRotate)
                    {
                        item.TagOrientation = TagOrientation.Vertical;
                    }
                    Document.Delete(toDelete);
                }, "旋转标注");
        }
        catch (Autodesk.Revit.Exceptions.OperationCanceledException)
        {

        }
        catch (Exception)
        {

        }
    }
}