using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
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 CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

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

using Microsoft.Win32;

using Nice3point.Revit.Toolkit.External.Handlers;

using OfficeOpenXml;

//using Szmedi.Toolkit.Assists;

namespace Szmedi.Test;

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

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

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

            Items = models.OrderBy(m => m.Name).ToList();
        }
        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 = "Excel文件(xlsx)|*.xlsx",
                InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
            };
        if (dialog.ShowDialog() != true)
        {
            return;
        }

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

        package.SaveAs(fi);

        MessageBoxResult 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()
    {
        Document doc = uiDocument.Document;
        List<Element> elements = IsSelectedItems
            ? uiDocument.Selection.GetElementIds().Select(id => doc.GetElement(id)).ToList()
            : new FilteredElementCollector(doc, doc.ActiveView.Id)
                .WhereElementIsNotElementType()
                .ToElements()
                .Where(
                    e =>
                        e.CanHaveTypeAssigned()
                        && e.HasPhases()
                        && e.get_BoundingBox(doc.ActiveView) != null
                        && e.Category is { Parent: null, CategoryType: CategoryType.Model }
                )
                .ToList();

        StringBuilder sb = new();
        handler.Raise(_ =>
        {
            using (TransactionGroup transG = new(doc, "填写属性值"))
            {
                transG.Start();
                foreach (Element elem in elements)
                {
                    if (!elem.IsValidObject)
                    {
                        continue;
                    }
                    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(@"^\D{2}-\d00");
                    //将“”空值填写“/”
                    foreach (Parameter parameter in elem.Parameters)
                    {
                        //if (parameter.Definition.Name == "ID-100-编号")
                        //{
                        //    continue;
                        //}
                        //不为空时，跳过设置“/”
                        if (!(string.IsNullOrEmpty(parameter.AsString()) && string.IsNullOrEmpty(parameter.AsValueString())))
                        {
                            continue;
                        }

                        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();
                    //填写表单中的数据
                    foreach (ParameterModel item in Items)
                    {
                        Parameter p1 = elem.GetParameters(item.Name).FirstOrDefault();
                        if (p1 == null)
                        {
                            sb.AppendLine($"构件类别：{elem.Category}；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.Definition.Name == "ID-100-编号")
                        //{
                        //    continue;
                        //}
                        try
                        {
                            if (
                                IsOverride
                                || (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;
                                    }
                                }
                            }

                            //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 = "Excel文件(*.xlsx)|*.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);
        ExcelWorksheet 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<ParameterModel>(1, configuration => configuration.SkipCastingErrors());

            //foreach (ParameterModel eamFacility in Items) { }

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

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

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

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

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

    private List<ParameterModel> 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<ParameterModel> 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 = "/" },
        ];
    }
}

public class ParameterModel
{
    [ExcelTableColumn("参数名")]
    public string Name { get; set; }

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