using System.Windows;
using System.Windows.Controls;
using System.Windows.Interop;
using System.Windows.Media.Imaging;

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

using Nice3point.Revit.Toolkit.External.Handlers;

using Szmedi.RvKits.FamilyTools;

namespace Szmedi.RvKits.FamilyLibrary
{
    /// <summary>
    ///     LocalFamily.xaml 的交互逻辑
    /// </summary>
    public partial class LocalFamsLibWin
    {
        #region 获取文件缩略图
        private readonly ActionEventHandler handler = new();
        /// <summary>
        ///     加载缩略图资源
        /// </summary>
        /// <param name="filename"></param>
        /// <returns></returns>
        private BitmapSource LoadImage(string filename)
        {
            var bm = WindowsThumbnailProvider.GetThumbnail(filename, 128, 128, ThumbnailOptions.None);
            return Imaging.CreateBitmapSourceFromHBitmap(
                bm.GetHbitmap(),
                IntPtr.Zero,
                Int32Rect.Empty,
                BitmapSizeOptions.FromEmptyOptions()
            );
        }

        #endregion

        #region 获取页面数据源

        /// <summary>
        ///     获取页面数据源
        /// </summary>
        /// <param name="jo"></param>
        /// <returns></returns>
        private List<RvComponent> GetListviewItems(JumpOperation jo)
        {
            List<RvComponent> familyFileList = [];
            var list = pageFamilyFileList.GetPageData(jo);
            foreach (var file in list)
            {
                familyFileList.Add(
                    new RvComponent
                    {
                        Title = Path.GetFileNameWithoutExtension(file.ToString()),
                        ImageData = LoadImage(file.ToString()),
                        Path = file.FullName
                    }
                );
            }

            return familyFileList;
        }

        #endregion

        //private string GetConfigPath()
        //{
        //    //ExeConfigurationFileMap map = new ExeConfigurationFileMap();
        //    //map.ExeConfigFilename = "\\FamilyTools.dll.config";
        //    //Configuration config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
        //    //string path = config.AppSettings.Settings["FamilyPath"].Value;//若路径存在则自动获取该路径
        //    //return path;
        //    Assembly assembly = Assembly.GetCallingAssembly();
        //    Uri uri = new Uri(Path.GetDirectoryName(assembly.CodeBase));
        //    ExeConfigurationFileMap map = new ExeConfigurationFileMap();
        //    map.ExeConfigFilename = Path.Combine(uri.LocalPath, assembly.GetName().Name + ".dll.config");
        //    Configuration config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
        //    string _Loadpath = config.AppSettings.Settings["FamilyPath"].Value; //若路径存在则自动获取该路径
        //    return _Loadpath;
        //}

        #region 绑定ListView首页数据源

        /// <summary>
        ///     绑定ListView首页数据源
        /// </summary>
        private void BindListViewSource()
        {
            //Stopwatch stw = new Stopwatch();
            //stw.Start();
            //stw.Stop();
            //TimeSpan ts = stw.Elapsed;
            //MessageBox.Show(ts.TotalMilliseconds.ToString(), "绑定数据源");

            GetPageNumber(familyFiles);

            cbbPage.SelectedIndex = 0;
            //fileListView.ItemsSource = familyFileList;
            FileListView.ItemsSource = GetListviewItems(JumpOperation.GoHome);
        }

        #endregion

        #region 预览

        private void BtnBrowser_Click(object sender, RoutedEventArgs e)
        {
            var btn = sender as Button;
            try
            {
                var file = btn.DataContext as RvComponent;
                //Autodesk.Revit.ApplicationServices.Application app = uiapp.Application;
                PreviewFam preview = new(uiapp.Application, uiapp.ActiveUIDocument, file.Path, handler) { Owner = this };
                preview.Show();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                LogAssists.WriteLog(ex.StackTrace);
            }
        }

        #endregion

        #region 将族加载到当前文件中

        /// <summary>
        ///     将族加载到当前文件中。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnLoadFamily_Click(object sender, RoutedEventArgs e)
        {
            var btn = sender as Button;

            var file = btn.DataContext as RvComponent;
            //((ListViewItem)video_name.ContainerFromElement((Button)sender)).Content
            //var file = btn.Parent;
            FamilyLoadOption familyLoadOption = new();
            Family family = null;
            FamilySymbol fs = null;
            //FamilySymbol symbol = null;
            var view = doc.ActiveView;
            List<SymbolModel> sms = [];
            handler.Raise(
                uiapp =>
                {
                    using (Transaction trans = new(doc))
                    {
                        trans.Start("加载族" + "-" + Path.GetFileNameWithoutExtension(file.Title));
                        doc.LoadFamily(file.Path, familyLoadOption, out family);
                        var fsids = family.GetFamilySymbolIds();
                        if (fsids.Count > 1) //两种族类型以上时提供选择
                        {
                            foreach (var id in fsids)
                            {
                                var name = doc.GetElement(id).Name;
                                SymbolModel sm = new(name);
                                sms.Add(sm);
                            }

                            trans.RollBack();
                            SelectFamilySymbol select = new(uiapp, file.Path, sms) { Owner = this };
                            select.ShowDialog();
                        }
                        else
                        {
                            foreach (var id in fsids)
                            {
                                fs = doc.GetElement(id) as FamilySymbol;
                                if (!fs.IsActive)
                                {
                                    fs.Activate();
                                }

                                break;
                            }

                            trans.Commit();
                        }
                    }
                    if (fs != null)
                    {
                        uiapp.ActiveUIDocument.PromptForFamilyInstancePlacement(fs);
                    }
                });

        }

        #endregion

        #region 路径选择

        /// <summary>
        ///     路径选择
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnPathChoose_Click(object sender, RoutedEventArgs e)
        {
            FolderBrowserDialog dialog = new();
            if (dialog.ShowDialog())
            {
                try
                {
                    //SetConfig(dialog.SelectedPath);
                    Properties.Settings.Default.FamilyPath2020 = dialog.SelectedPath;
                    FileListView.ItemsSource = null;
                    PopulateTreeView(dialog.SelectedPath);
                    //BtnPathChoose.Content = dialog.SelectedPath;
                    BtnPathChoose.ToolTip = dialog.SelectedPath;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                    LogAssists.WriteLog(ex.StackTrace);
                }
            }
        }

        #endregion

        #region 根据TextBox内容，搜索所有ListViewItem

        /// <summary>
        ///     根据TextBox内容，搜索所有ListViewItem。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnSearch_Click(object sender, RoutedEventArgs e)
        {
            List<FileInfo> results = [];
            foreach (var item in familyFiles)
            {
                var fileName = item.Name;
                if (fileName.Contains(TbFamilyName.Text.Trim()))
                {
                    results.Add(item);
                }
            }

            GetPageNumber(results);
            tbPage.Text = pageFamilyFileList.Pagecount.ToString();
            tbPageAll.Text = $"共计{results.Count}个";
            FileListView.ItemsSource = GetListviewItems(JumpOperation.GoHome);
        }

        #endregion

        #region 获取选中的树状节点时，将该节点目录及子目录下的文件显示到ListView中

        /// <summary>
        ///     获取选中的树状节点时，将该节点目录及子目录下的文件显示到ListView中。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DirTreeItem_Selected(object sender, RoutedEventArgs e)
        {
            //e.OriginalSource 就是TreeViewItem对象，你可以将其保存到窗体类的某个私有字段中，或者直接使用它，如下所示：
            var selectedItem = e.OriginalSource as TreeViewItem;
            //MessageBox.Show(selectedItem.Header.ToString());
            familyFiles.Clear();
            var currentFullPath = selectedItem.Tag.ToString();
            GetFamilyFile(currentFullPath);
            BindListViewSource();
        }

        #endregion

        #region 获取选择路径下的所有族文件

        /// <summary>
        ///     获取选择路径下的所有族文件
        /// </summary>
        /// <param name="fullPath"></param>
        private void GetFamilyFile(string fullPath)
        {
            DirectoryInfo dir = new(fullPath);
            try
            {
                //判断所指的文件夹/文件是否存在
                if (!dir.Exists)
                {
                    return;
                }

                var dirD = dir;
                //获取文件夹下所有文件和文件夹
                var files = dirD.GetFileSystemInfos();
                //对单个FileSystemInfo进行判断，如果是文件夹则进行递归操作
                foreach (var FSys in files)
                {
                    if (FSys is FileInfo fileInfo)
                    {
                        //如果是文件，进行文件操作
                        //获取文件所在原始路径
                        if (fileInfo.Extension == ".rfa")
                        {
                            FileInfo SFInfo = new($"{fileInfo.DirectoryName}\\{fileInfo.Name}");
                            familyFiles.Add(SFInfo);
                            //SetListViewItem(SFInfo);
                        }
                    }
                    else
                    {
                        //如果是文件夹，则进行递归调用
                        //string pp = FSys.Name;
                        GetFamilyFile($"{fullPath}\\{FSys}");
                    }
                }
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
                LogAssists.WriteLog(e.StackTrace);
            }
        }

        #endregion

        #region 获取、显示页码

        /// <summary>
        ///     获取、显示页码
        /// </summary>
        /// <param name="list"></param>
        private void GetPageNumber(List<FileInfo> list)
        {
            pageFamilyFileList = new PageInfo<FileInfo>(list, 24);
            List<int> currentPageNum = [];
            for (var i = 0; i < pageFamilyFileList.Pagecount; i++)
            {
                currentPageNum.Add(i + 1);
            }

            tbPage.Text = pageFamilyFileList.Pagecount.ToString();
            tbPageAll.Text = $"共计{familyFiles.Count}个";
            cbbPage.ItemsSource = currentPageNum;
        }

        #endregion

        #region ListView右键加载族文件

        /// <summary>
        ///     ListView选中的所有族加载到项目中
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void LoadFamily_Click(object sender, RoutedEventArgs e)
        {
            handler.Raise(
                _ =>
                {
                    foreach (RvComponent item in FileListView.SelectedItems)
                    {
                        FamilyLoadOption familyLoadOption = new();
                        using Transaction trans = new(doc);
                        trans.Start("加载族" + "-" + Path.GetFileNameWithoutExtension(item.Title));
                        try
                        {
                            doc.LoadFamily(item.Path, familyLoadOption, out var family);
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show(ex.Message);
                            LogAssists.WriteLog(ex.StackTrace);
                        }

                        trans.Commit();
                    }
                });
        }

        #endregion

        #region 绑定TreeView数据源

        /// <summary>
        ///     绑定TreeView数据源
        /// </summary>
        private void PopulateTreeView(string Path)
        {
            dirTree.Items.Clear();
            TreeViewItem rootNode;
            DirectoryInfo info = new(Path);
            if (info.Exists)
            {
                rootNode = new TreeViewItem { Header = info.Name, Tag = info.FullName };

                SubDirectories(info.GetDirectories(), rootNode);

                dirTree.Items.Add(rootNode);
                rootNode.IsExpanded = true;
            }
        }

        #endregion


        #region 添加目录结构到TreeView树状结构

        /// <summary>
        ///     添加目录结构到TreeView树状结构
        /// </summary>
        /// <param name="subDirs"></param>
        /// <param name="nodeToAddTo"></param>
        private void SubDirectories(DirectoryInfo[] subDirs, TreeViewItem nodeToAddTo)
        {
            TreeViewItem aNode;
            DirectoryInfo[] subSubDirs;
            foreach (var subDir in subDirs)
            {
                aNode = new TreeViewItem { Header = subDir.Name, Tag = subDir.FullName };
                subSubDirs = subDir.GetDirectories();
                if (subSubDirs.Length != 0)
                {
                    SubDirectories(subSubDirs, aNode);
                }

                nodeToAddTo.Items.Add(aNode);
            }
        }

        #endregion


        #region TextBox内容清空后，恢复搜索前的页面内容。

        /// <summary>
        ///     TextBox内容清空后，恢复搜索前的页面内容。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TbFamilyName_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (TbFamilyName.Text == string.Empty)
            {
                BtnSearch.IsDefault = true;
                if (FileListView.ItemsSource != null)
                {
                    GetPageNumber(familyFiles);

                    pageFamilyFileList.CurrentIndex = cbbPage.SelectedIndex + 1;
                    FileListView.ItemsSource = GetListviewItems(JumpOperation.GoAny);
                }
            }
        }

        #endregion

        #region 全局变量

        private readonly UIApplication uiapp;

        //Autodesk.Revit.ApplicationServices.Application app;
        private readonly Document doc;

        private PageInfo<FileInfo> pageFamilyFileList; //分页族文件列表，可作为搜索的分页族文件列表

        private readonly List<FileInfo> familyFiles = []; //所有族文件列表
        #endregion

        #region 构造函数

        public LocalFamsLibWin(UIApplication uiapp)
        {
            //Resources.MergedDictionaries.Add(new ResourceDictionary
            //{
            //    Source = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml")
            //});
            //Resources.MergedDictionaries.Add(new ResourceDictionary
            //{
            //    Source = new Uri("pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml")
            //});
            //Resources.MergedDictionaries.Add(new ResourceDictionary
            //{
            //    Source = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml")
            //});
            //Resources.MergedDictionaries.Add(new ResourceDictionary
            //{
            //    Source = new Uri("pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Lime.xaml")
            //});


            //Assembly.LoadFile(@"F:\OneDrive\Revit二次开发\Revit Dev\FamilyTools\bin\Debug\MahApps.Metro.IconPacks.dll");
            InitializeComponent();
            doc = uiapp.ActiveUIDocument.Document;
            //this.app = uiapp.Application;
            this.uiapp = uiapp;
#if REVIT2018
            var familyPath = Properties.Settings.Default.FamilyPath2018;
#elif REVIT2019
            var familyPath = Properties.Settings.Default.FamilyPath2019;
#elif REVIT2020
            var familyPath = Properties.Settings.Default.FamilyPath2020;
#endif

            PopulateTreeView(familyPath);
            //BtnPathChoose.Content = familyPath;
            BtnPathChoose.ToolTip = familyPath;
        }

        #endregion

        #region 将路径下的族文件名称、缩略图用ListViewItem包装起来（最耗时）

        //private void GetListViewSource(FileInfo SFInfo)
        //{
        //ListViewItem listViewItem = new ListViewItem();
        //Thickness thickness = new Thickness();
        //thickness.Top = 5;
        //thickness.Bottom = 5;
        //thickness.Left = 5;
        //thickness.Right = 5;
        //System.Windows.Media.Color color = (System.Windows.Media.Color)System.Windows.Media.ColorToBrushConverter.ConvertFromString("#FFF0F0F0");
        //StackPanel sp = new StackPanel
        //{
        //    //Background = new System.Windows.Media.SolidColorBrush(color),
        //    HorizontalAlignment = HorizontalAlignment.Center,
        //    VerticalAlignment = VerticalAlignment.Center,
        //    Margin = thickness,
        //};
        //TextBlock tb = new TextBlock
        //{
        //    Text = Path.GetFileNameWithoutExtension(SFInfo.ToString()),
        //    Width = 64,
        //    Height = 15,
        //    TextAlignment = TextAlignment.Center,
        //    TextWrapping = TextWrapping.WrapWithOverflow
        //};
        //System.Drawing.Bitmap bmp = WindowsThumbnailProvider.GetThumbnail(SFInfo.ToString(), 64, 64, ThumbnailOptions.None);
        //System.Windows.Media.Imaging.BitmapSource bm = Imaging.CreateBitmapSourceFromHBitmap(bmp.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
        //Image image = new Image
        //{

        //    Source = bm,
        //    Stretch = System.Windows.Media.Stretch.Uniform,
        //    Height = 64,
        //    Width = 64
        //};
        //sp.Children.Add(image);
        //sp.Children.Add(tb);
        //listViewItem.Content = sp;
        ////listViewItem.ToolTip = SFInfo.ToString();
        //listViewItem.ToolTip = Path.GetFileNameWithoutExtension(SFInfo.ToString());
        //listViewItem.Tag = SFInfo;
        //familyFileList.Add(listViewItem);
        //}

        #endregion

        #region 页面切换按钮

        private void BtnHome_Click(object sender, RoutedEventArgs e)
        {
            if (FileListView.ItemsSource != null)
            {
                FileListView.ItemsSource = GetListviewItems(JumpOperation.GoHome);
                cbbPage.SelectedIndex = pageFamilyFileList.CurrentIndex - 1;
            }
        }

        private void BtnPrevious_Click(object sender, RoutedEventArgs e)
        {
            if (FileListView.ItemsSource != null)
            {
                FileListView.ItemsSource = GetListviewItems(JumpOperation.GoPrePrevious);
                cbbPage.SelectedIndex = pageFamilyFileList.CurrentIndex - 1;
            }
        }

        private void BtnNext_Click(object sender, RoutedEventArgs e)
        {
            if (FileListView.ItemsSource != null)
            {
                FileListView.ItemsSource = GetListviewItems(JumpOperation.GoNext);
                cbbPage.SelectedIndex = pageFamilyFileList.CurrentIndex - 1;
            }
        }

        private void BtnEnd_Click(object sender, RoutedEventArgs e)
        {
            if (FileListView.ItemsSource != null)
            {
                FileListView.ItemsSource = GetListviewItems(JumpOperation.GoEnd);
                cbbPage.SelectedIndex = pageFamilyFileList.CurrentIndex - 1;
            }
        }

        private void CbbPage_DropDownClosed(object sender, EventArgs e)
        {
            if (FileListView.ItemsSource != null)
            {
                pageFamilyFileList.CurrentIndex = cbbPage.SelectedIndex + 1;
                FileListView.ItemsSource = GetListviewItems(JumpOperation.GoAny);
            }
        }

        #endregion

        #region 浏览族文件

        private void OpenFile_Click(object sender, RoutedEventArgs e)
        {
            foreach (RvComponent item in FileListView.SelectedItems)
            {
                var filePath = item.Path;
                WinDialogAssists.OpenFolderAndSelectFile(filePath);
            }
        }



        #endregion
    }
}