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 System;
using System.Linq;

using System.Windows;


namespace Szmedi.RvKits.ModelManager;

/// <summary>
///     Revit执行命令
/// </summary>
[Transaction(TransactionMode.Manual)]

public class HeadroomCheckCmd : ExternalCommand
{
    public override void Execute()
    {
        var elems = UiDocument.Selection.PickElementsByRectangle(new FuncFilter(e => e is MEPCurve, (_, _) => true)).OfType<MEPCurve>();
        var messages = new List<MessageModel>();
        double compare = 2600 / 304.8;
        foreach (var item in elems)
        {
            var level = item.ReferenceLevel;

            if (item is Duct duct && item.get_Parameter(BuiltInParameter.RBS_DUCT_SLOPE).HasValue)
            {
                var p1 = item.get_Parameter(BuiltInParameter.RBS_OFFSET_PARAM).AsDouble();
                double subtract = default;
                switch (duct.ConnectorManager.Connectors.OfType<Connector>().FirstOrDefault().Shape)
                {
                    case ConnectorProfileType.Round:
                        subtract = duct.Diameter / 2;
                        break;
                    case ConnectorProfileType.Rectangular:
                    case ConnectorProfileType.Oval:
                        subtract = duct.Height / 2;
                        break;
                }

                if (LessThen(p1 - subtract, compare))
                {
                    MessageModel checkElement = new(item, $"参照标高：{level.Name}\r\n--------\r\n底高程:{Math.Round((p1 - subtract) * 304.8)}");
                    messages.Add(checkElement);
                }
            }

            if (item is Pipe pipe && item.get_Parameter(BuiltInParameter.RBS_PIPE_SLOPE).HasValue)
            {
                var p1 = item.get_Parameter(BuiltInParameter.RBS_OFFSET_PARAM).AsDouble();
                if (LessThen(p1 - (pipe.Diameter / 2), compare))
                {
                    MessageModel checkElement = new(item, $"参照标高：{level.Name}\r\n底高程:{Math.Round((p1 - (pipe.Diameter / 2)) * 304.8)}");
                    messages.Add(checkElement);
                }
            }

            if (item is Conduit conduit || item is 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 (LessThen(p3, compare))
                    {
                        MessageModel checkElement = new(item, $"参照标高：{level.Name}\r\n底高程:{Math.Round(p3 * 304.8)}");
                        messages.Add(checkElement);
                    }
                }
            }
        }


        try
        {
            MessageWin win = new() { DataContext = new MessageViewModel(UiDocument, messages) };
            win.Show();
        }
        catch (Exception e)
        {
            MessageBox.Show(e.Message);
            LogAssists.WriteLog(e.StackTrace);
        }
    }

    private bool LessThen(double value, double compare)
    {
        return compare > value;
    }
}