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

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

using EPPlus.Core.Extensions;
using EPPlus.Core.Extensions.Attributes;

using Microsoft.Win32;

using Nice3point.Revit.Toolkit.External.Handlers;

using OfficeOpenXml;

using Szmedi.RvKits.Assists;

namespace Szmedi.RvKits.InfoManager;

public partial class WriteParametersViewModel : ObservableObject
{
    public WriteParametersViewModel(UIDocument uIDocument)
    {
        this.uiDocument = uIDocument;
    }

    private readonly ActionEventHandler handler = new();

    [ObservableProperty]
    private bool isSelectedItems;

    [ObservableProperty]
    private bool isOverride;

    //record class ParameterEditModel(string Name, object Value);
    [ObservableProperty]
    [NotifyCanExecuteChangedFor(nameof(ExportExcelCommand))]
    [NotifyCanExecuteChangedFor(nameof(WriteParamsCommand))]
    private List<ParameterEditModel> items;

    [ObservableProperty]
    private string excelPath;
    private readonly UIDocument uiDocument;
    private bool HasItems => Items?.Any() == true;

    [RelayCommand]
    private void GetParams()
    {
        Items = null;
        List<ParameterEditModel> models = [];
        var doc = uiDocument.Document;
        try
        {
            var reference = uiDocument.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.Element, "请选择提取参数的元素");
            var elem = doc.GetElement(reference);
            if (elem == null)
            {
                return;
            }
            foreach (Parameter param in elem.Parameters)
            {
                if (param.IsReadOnly || param.StorageType == StorageType.ElementId || (param.HasValue || !string.IsNullOrEmpty(param.AsString())))
                {
                    continue;
                }
                models.Add(new ParameterEditModel { Name = param.Definition.Name });
            }
            Items = [.. models.OrderBy(m => m.Name)];
        }
        catch (Autodesk.Revit.Exceptions.OperationCanceledException) { }
    }

    [RelayCommand]
    private void OpenExcel()
    {
        if (ExcelPath.StartsWith("\""))
        {
            ExcelPath = ExcelPath.TrimStart('\"');
        }
        if (ExcelPath.EndsWith("\""))
        {
            ExcelPath = ExcelPath.TrimEnd('\"');
        }
        if (File.Exists(ExcelPath))
        {
            FileInfo file = new(ExcelPath);
            if (file.Extension != ".xlsx")
            {
                MessageBox.Show("请选择xlsx格式的Excel文件");
            }
            else
            {
                ReadExcel(ExcelPath);
            }
        }
        else
        {
            MessageBox.Show("文件路径有误");
        }
    }

    [RelayCommand(CanExecute = nameof(HasItems))]
    private void ExportExcel()
    {
        SaveFileDialog dialog =
            new()
            {
                Filter = WinDialogAssists.CreateFilter("Excel文件", "xlsx"),
                InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
            };
        if (dialog.ShowDialog() != true)
        {
            return;
        }

        var excel = dialog.FileName;
        FileInfo fi = new(excel);
        var package = Items
            .ToWorksheet("参数表")
            .WithConfiguration(cfg => cfg.WithColumnConfiguration(c => c.AutoFit()))
            .ToExcelPackage();

        package.SaveAs(fi);

        var result = MessageBox.Show("是否打开Excel表？", "提示", MessageBoxButton.YesNo, MessageBoxImage.Question);
        if (result == MessageBoxResult.Yes)
        {
            Process.Start(excel);
        }
    }

    [RelayCommand(CanExecute = nameof(HasItems))]
    private void WriteParams()
    {
        var doc = uiDocument.Document;
        var elements = IsSelectedItems
            ? uiDocument.Selection.GetElementIds().Select(id => doc.GetElement(id)).ToList()
            : [.. doc.OfAllModelCollector()];
        if (elements == null)
        {
            MessageBox.Show("没有找到模型元素", "错误");
            return;
        }
        StringBuilder sb = new();
        handler.Raise(_ =>
        {
            using (TransactionGroup transG = new(doc, "填写属性值"))
            {
                transG.Start();
                foreach (var elem in elements)
                {
                    if (elem.IsValidObject)
                    {
                        using Transaction trans = new(doc, "填写属性值");
                        //FailureHandlingOptions options = trans.GetFailureHandlingOptions();
                        //FailuresPreProcessor failuresProcessor = new();
                        //options.SetFailuresPreprocessor(failuresProcessor);
                        //trans.SetFailureHandlingOptions(options);
                        trans.Start();
                        Regex regex = new(@"^[A-Z]{2}-\d00-");
                        foreach (Parameter parameter in elem.Parameters)
                        {
                            //if (parameter.Definition.Name == "ID-100-编号")
                            //{
                            //    continue;
                            //}
                            //不为空时，跳过设置“/”或“0”即跳过已有值的情况
                            if (!(string.IsNullOrEmpty(parameter.AsString()) && string.IsNullOrEmpty(parameter.AsValueString())))
                            {
                                continue;
                            }
                            //只针对轨道交通参数设置0或/
                            if (regex.IsMatch(parameter.Definition.Name) && !parameter.IsReadOnly)
                            {
                                if (parameter.StorageType is StorageType.Integer or StorageType.Double)
                                {
                                    parameter.Set(0);
                                }
                                if (parameter.StorageType == StorageType.String)
                                {
                                    parameter.Set("/");
                                }
                            }
                        }
                        doc.Regenerate();
                        //要修改的参数值，去掉参数值为空的参数
                        //foreach (var item in Items.Where(item => !string.IsNullOrEmpty(item.Value)))
                        //要修改的参数值，参数值为空，则清空参数值
                        foreach (var item in Items)
                        {
                            //if (item.Value==null)
                            //{
                            //    continue;
                            //}
                            var p1 = elem.GetParameters(item.Name).FirstOrDefault();
                            if (p1 == null)
                            {
                                sb.AppendLine($"构件类别：{elem.Category.Name}；构件名：{elem.Name}；构件ID：{elem.Id}；参数名：{item.Name}；异常原因：参数不存在");
                                continue;
                            }
                            if (p1.IsReadOnly)
                            {
                                sb.AppendLine($"构件类别：{elem.Category.Name}；构件名：{elem.Name}；构件ID：{elem.Id}；参数名：{item.Name}；异常原因：只读参数");
                                continue;
                            }
                            //if (p1 == null || p1.Definition.Name == "ID-100-编号")
                            //{
                            //    continue;
                            //}
                            try
                            {
                                //因为上方步骤已经将值全部修改为0或/,所以IsOverride或轨道交通参数值为/,0,两种情况都需要覆盖原值
                                if (
                                    IsOverride
                                    || (
                                        regex.IsMatch(p1.Definition.Name)
                                        && (
                                            (p1.AsString() == "/" || p1.AsValueString() == "/")
                                            || (p1.AsString() == "0" || p1.AsValueString() == "0")
                                        )
                                    )
                                ) //如果覆盖则填写，否则不操作
                                {
                                    if (p1?.IsReadOnly == false)
                                    {
                                        switch (p1.StorageType)
                                        {
                                            case StorageType.None:
                                                break;
                                            case StorageType.Integer:
                                                p1.Set(Convert.ToInt16(item.Value));
                                                break;
                                            case StorageType.Double:
                                                p1.Set(Convert.ToDouble(item.Value));
                                                break;
                                            case StorageType.String:
                                                p1.Set(Convert.ToString(item.Value));
                                                break;
                                            case StorageType.ElementId:
                                                break;
                                        }
                                    }
                                }
                            }
                            catch (Exception exception)
                            {
                                sb.AppendLine(
                                    $"构件类别：{elem.Category}；构件名：{elem.Name}；构件ID：{elem.Id}；参数名：{p1.Definition.Name}；异常原因：{exception.Message}"
                                );
                            }
                        }
                        trans.Commit();
                    }
                }
                transG.Assimilate();
            }
            if (sb.Length > 0)
            {
                LogAssists.WriteTxtFile("修改异常问题", sb.ToString());
            }
            MessageBox.Show("修改参数完成！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
        });
    }

    [RelayCommand]
    private void BrowserExcelFile()
    {
        OpenFileDialog dialog =
            new()
            {
                CheckFileExists = true,
                Filter = WinDialogAssists.CreateFilter("Excel文件", "xlsx"),
                Multiselect = false,
                InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
            };
        if (dialog.ShowDialog() != true)
        {
            return;
        }
        //Items?.Clear();
        ExcelPath = dialog.FileName;
        ReadExcel(dialog.FileName);
    }

    private void ReadExcel(string path)
    {
        FileInfo fi = new(path);
        using ExcelPackage package = new(fi);
        var worksheet = package.Workbook.Worksheets[1];
        ////获取worksheet的行数
        //int rows = worksheet            .Dimension.End.Row;
        ////获取worksheet的列数
        //int cols = worksheet            .Dimension.End.Column;
        worksheet.TrimLastEmptyRows();

        AppDomain.CurrentDomain.AssemblyResolve += CurrentDomainOnAssemblyResolve;
        try
        {
            Items = package.ToList<ParameterEditModel>(1, configuration => configuration.SkipCastingErrors());

            //foreach (ParameterEditModel eamFacility in Items) { }

            //var groups = Facilities.GroupBy(x => x.Story);
            //foreach (var ZoomRBGroup in groups)
            //{
            //    if (ZoomRBGroup.Key == null)
            //    {
            //        continue;
            //    }
            //    StoryCodeMappers.Add(new() { Story = ZoomRBGroup.Key, });
            //}

            //IsMapper = false;
            //IsComparison = false;
            //Instances.ForEach(ins => ins.IsMapped = false);
        }
        catch (EPPlus.Core.Extensions.Exceptions.ExcelValidationException ex)
        {
            System.Windows.MessageBox.Show("列名不存在或不匹配或检查表头是否存在换行或多余文字。", ex.Message);
        }
        finally
        {
            AppDomain.CurrentDomain.AssemblyResolve -= CurrentDomainOnAssemblyResolve;
        }
    }

    private static Assembly CurrentDomainOnAssemblyResolve(object sender, ResolveEventArgs args)
    {
        if (!args.Name.Contains("ComponentModel.Annotations"))
        {
            return null;
        }

        var assemblyFile = Path.Combine(GlobalVariables.DirAssembly, "System.ComponentModel.Annotations.dll");
        return File.Exists(assemblyFile) ? Assembly.LoadFrom(assemblyFile) : null;
    }

    [RelayCommand]
    private void Init(int index)
    {
        Items = index == 0 ? GetInitCivilParameterList() : index == 1 ? GetInitMEPParameterList() : null;
    }

    private List<ParameterEditModel> GetInitCivilParameterList()
    {
        return
        [
            new() { Name = "AM-200-模型权属单位", Value = "深圳市地铁集团有限公司" },
            new() { Name = "AM-200-资产权属单位", Value = "深圳市地铁集团有限公司" },
            new() { Name = "CM-100-创建单位", Value = "深圳市市政设计研究院有限公司" },
            new() { Name = "ID-200-BIM对象分类编码执行标准", Value = "《城市轨道交通工程信息模型分类和编码标准》SJG102" },
            new() { Name = "CM-100-校审单位", Value = "数云科际（深圳）技术有限公司" },
            new() { Name = "FM-200-产品寿命", Value = "100" },
            new() { Name = "FM-200-使用年限", Value = "100" },
            new() { Name = "TC-400-设计使用年限", Value = "100" }
        ];
    }

    private List<ParameterEditModel> GetInitMEPParameterList()
    {
        return
        [
            new() { Name = "AM-200-模型权属单位", Value = "深圳市地铁集团有限公司" },
            new() { Name = "AM-200-资产权属单位", Value = "深圳市地铁集团有限公司" },
            new() { Name = "CM-100-创建单位", Value = "深圳市市政设计研究院有限公司" },
            new() { Name = "CM-100-校审单位", Value = "深圳市市政设计研究院有限公司" },
            new() { Name = "CM-100-创建人及联系方式", Value = "/" },
        ];
    }
}
/// <summary>
/// 参数编辑的模型
/// </summary>
public class ParameterEditModel
{
    [ExcelTableColumn("参数名")]
    public string Name { get; set; }

    [ExcelTableColumn("参数值")]
    public string Value { get; set; }
}