using System;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows;

using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

using Nice3point.Revit.Toolkit.External.Handlers;

using Szmedi.RvKits.Assists;

namespace Szmedi.RvKits.InfoManager
{
    public partial class WriteFacilityCodeViewModel : ObservableObject
    {
        public WriteFacilityCodeViewModel(UIApplication uiapp)
        {
            this.uiapp = uiapp;
        }
        private List<KeyValuePair<string, XYZ>> OriginCodes;

        [ObservableProperty]
        private List<KeyValuePair<string, XYZ>> codes;
        [ObservableProperty]
        private KeyValuePair<string, XYZ> selectedCode;
        [ObservableProperty]
        private string propertyName = "ID-100-编号";
        [ObservableProperty]
        [NotifyCanExecuteChangedFor(nameof(WriteCodeCommand))]
        private string code;

        [ObservableProperty]
        private bool isIncrement;

        private bool CanWrite => !string.IsNullOrEmpty(Code);
        private readonly ActionEventHandler handler = new();
        private readonly UIApplication uiapp;
        [ObservableProperty]
        private string searchText;

        partial void OnSearchTextChanged(string value)
        {
            Codes = OriginCodes
                .Where(s => string.IsNullOrEmpty(value) || s.Key.IndexOf(value, StringComparison.OrdinalIgnoreCase) >= 0)
                .ToList();
        }
        partial void OnSelectedCodeChanged(KeyValuePair<string, XYZ> value)
        {
            Code = value.Key;
            BoundingBoxXYZ box = new BoundingBoxXYZ()
            {
                Max = value.Value.Add(new XYZ(1, 1, 1)),
                Min = value.Value.Subtract(new XYZ(1, 1, 1))
            };

            UIView uiView = uiapp.ActiveUIDocument.GetOpenUIViews().FirstOrDefault(v => v.ViewId == uiapp.ActiveUIDocument.ActiveGraphicalView.Id);
            uiView!.ZoomAndCenterRectangle(box.Min, box.Max);
        }
        [RelayCommand]
        private void ReadDwgCodes()
        {
            handler.Raise(uiapp =>
            {
                Autodesk.Revit.ApplicationServices.Application application = uiapp.Application;
                Autodesk.Revit.UI.UIDocument uiDocument = uiapp.ActiveUIDocument;
                Document doc = uiDocument.Document;
                Reference textRefer;
                try
                {
                    //图层ID；
                    textRefer = uiDocument.Selection.PickObject(
                        ObjectType.PointOnElement,
                        new FuncFilter(e => e is ImportInstance import && import.IsLinked && doc.GetElement(e.GetTypeId()) is CADLinkType),
                        "请选择“链接（非导入）”的Cad文字图层"
                    );
                }
                catch (Autodesk.Revit.Exceptions.OperationCanceledException)
                {
                    return;
                }
                try
                {
                    ImportInstance dwg = doc.GetElement(textRefer) as ImportInstance;
                    //Transform dwgTransform = dwg!.GetTransform();
                    string textLayerName = dwg.GetLayerName(textRefer);
                    //string path = GetDwgPath(dwg);
                    //using ACadSharp.IO.DwgReader reader = new(path);
                    //ACadSharp.CadDocument cadDocument = reader.Read();
                    //var texts = cadDocument.Entities.Where(entity=>entity is MText||entity is TextEntity)
                    //     .Where(e => e.Layer.Name == textLayerName);
                    //IEnumerable<XYZ> locations = texts.Select(t => dwgTransform.OfPoint(new XYZ(t.InsertPoint.X, t.InsertPoint.Y, t.InsertPoint.Z) / 304.8));
                    //doc.Invoke(ts =>
                    //{
                    //    foreach (XYZ loc in locations)
                    //    {
                    //        Plane plane = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, loc);
                    //        SketchPlane sketch = SketchPlane.Create(doc, plane);
                    //        Autodesk.Revit.DB.Arc arc = Autodesk.Revit.DB.Arc.Create(plane, 0.1, 0, Math.PI * 2);
                    //        ModelCurve mc = doc.Create.NewModelCurve(arc, sketch);
                    //    }
                    //});
                    //Codes = OriginCodes = cadDocument.Entities
                    //    .Where(entity => ( entity is MText || entity is TextEntity) && entity.Layer.Name == textLayerName)
                    //    .Select(e =>
                    //    {
                    //        if (e is MText mText)
                    //        {
                    //            if (mText.Value.Contains(@"\f") && mText.Value.Contains(@"|b") && mText.Value.Contains(@"i0"))//多行字体编码问题
                    //            {
                    //                return mText.Value.Split(';').Last().TrimEnd('}');
                    //            }
                    //            return mText.Value;
                    //        }
                    //        if (e is TextEntity text)
                    //        {
                    //            return text.Value;
                    //        }
                    //        return null;
                    //    })
                    //    .ToList();
                    Codes = OriginCodes = dwg.GetTextsByLayer(textLayerName);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                }

            });
        }



        [RelayCommand(CanExecute = nameof(CanWrite))]
        private void WriteCode()
        {
            handler.Raise(uiapp =>
            {
                try
                {
                    Element elem;
                    Autodesk.Revit.UI.UIDocument uidoc = uiapp.ActiveUIDocument;
                    Document doc = uidoc.Document;
                    if (uidoc.Selection.GetElementIds().Any())
                    {
                        elem = doc.GetElement(uidoc.Selection.GetElementIds().FirstOrDefault());
                    }
                    else
                    {
                        Reference reference = uidoc.Selection.PickObject(ObjectType.Element, new GenericFilter<FamilyInstance>());
                        elem = doc.GetElement(reference);
                    }

                    if (!elem.IsValidObject)
                    {
                        return;
                    }

                    doc.Invoke(
                        _ =>
                        {
                            Parameter param = elem.GetParameters(PropertyName).FirstOrDefault();
                            if (param.IsReadOnly)
                            {
                                MessageBox.Show("该属性为只读");
                                return;
                            }
                            var b = param?.Set(Code);
                            if (b == true && IsIncrement)
                            {
                                Regex regex = new Regex(@"(\d+)$");
                                Match match = regex.Match(Code);

                                if (match.Success)
                                {
                                    // 提取匹配的数字部分
                                    string numberPart = match.Groups[1].Value;

                                    // 将数字部分转换为整数并自增
                                    int number = int.Parse(numberPart);
                                    number++;
                                    // 保持原始数字部分的长度
                                    int length = numberPart.Length;
                                    // 将原始字符串的非数字部分与自增后的数字部分拼接
                                    Code = Code.Substring(0, match.Index) + number.ToString().PadLeft(length, '0');
                                }
                            }
                        },
                        "填写设备编码"
                    );

                    //foreach (var elementId in uidoc.Selection.GetElementIds())
                    //{
                    //    var elem = doc.GetElement(elementId);
                    //    var param = elem.GetParameters("ID-100-编号").FirstOrDefault();

                    //    param?.Set($"{Code}");
                    //}
                }
                catch (Autodesk.Revit.Exceptions.OperationCanceledException) { }
            });
        }
    }
}