using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Reflection.Metadata;

using Microsoft.UI;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Documents;
using Microsoft.UI.Xaml.Input;
using RustTools.muqing;
using Windows.ApplicationModel.DataTransfer;
using WinRT.Interop;
namespace RustTools.Editor;
/// <summary>
/// 编辑器主窗口
/// </summary>
public sealed partial class EditorWin : WindowEx
{
    private readonly ObservableCollection<TabViewItem> TabViewList = new();
    //目录列表
    public ObservableCollection<ExplorerItem> DataSource=new ();
    public EditorWin()
    {
        InitializeComponent();
        gj.SetBackTheme(this);
        ExtendsContentIntoTitleBar = true;
        var frame = App.AppTitlebar as FrameworkElement;
        if (frame != null)
        {
            gj.UpdateTitleBar(this, frame.ActualTheme);
            page.RequestedTheme = frame.ActualTheme;
        }
        //new CodeEditorControl();
        //new Editor.
        //WindowManager.Get(this).IsMinimizable = false;
        //app = GetAppWindowForCurrentWindow();
        //app.Closing += OnClosing;
        //Closed += EditorWin_Closed;
        var directoryInfo = new DirectoryInfo("D:\\steam\\steamapps\\common\\Rusted Warfare\\mods\\units\\赤道·联合进攻0.9补丁版0.2");
        DataSource = new EditorLoad().GetData(directoryInfo.FullName);
        Title=directoryInfo.Name; 
        TitleText.Text = directoryInfo.Name;
        Closed += EditorWin_Closed;
    }



    //用户有没有保存
    private bool IsSave = true;
    private ContentDialog? ClosedDialog = null;
    private async void EditorWin_Closed(object sender, WindowEventArgs e)
    {
        if (IsSave == false)
        {
            // 防止窗口关闭
            e.Handled = true;
        }
        if (ClosedDialog != null) {
            return;
        }
            // 显示一个对话框，告知用户窗口不能关闭
            ClosedDialog = new ContentDialog
            {
                XamlRoot = page.XamlRoot,
                Title = "警告",
                Content = "你还有未保存的文件在编译器中。",
                PrimaryButtonText = "保存关闭",
                PrimaryButtonStyle = Application.Current.Resources["AccentButtonStyle"] as Style,
                SecondaryButtonText = "直接关闭",
                CloseButtonText = "取消"
            };
            var result = await ClosedDialog.ShowAsync();
            if (result == ContentDialogResult.Primary)
            {
                IsSave = true;
                Application.Current.Exit();
                return;
            }
            else if (result == ContentDialogResult.Secondary)
            {

                IsSave = true;
                Application.Current.Exit();
                return;
            }
            ClosedDialog = null;
    }

    private Microsoft.UI.Windowing.AppWindow GetAppWindowForCurrentWindow()
    {
        var hWnd = WindowNative.GetWindowHandle(this);
        var myWndId = Win32Interop.GetWindowIdFromWindow(hWnd);
        return Microsoft.UI.Windowing.AppWindow.GetFromWindowId(myWndId);
    }

    /// <summary>
    /// 选中事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="args"></param>
    private void TreeView_ItemInvoked(TreeView sender, TreeViewItemInvokedEventArgs e)
    {

        // 获取当前选中的项
        // 获取被点击的项
        var invokedItem = e.InvokedItem;
        // 检查是否重复选择
        if (sender.SelectedItem is ExplorerItem selectedItem && invokedItem != null && selectedItem == invokedItem)
        {
            // 如果是同一个项，直接返回，不进行进一步处理
            return;
        }
        if (invokedItem is not ExplorerItem explorerItem)
        {
            return;
        }
        if (explorerItem.Type == ExplorerItem.ExplorerItemType.Folder)
        {
            var directoryInfo = new DirectoryInfo(explorerItem.Dir);
        }
    }


    private void TabView_TabCloseRequested(TabView sender, TabViewTabCloseRequestedEventArgs args)
    {
        TabViewList.Remove(args.Tab);
    }

    /// <summary>
    /// 双击事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void treeView_DoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
    {
        gj.sc(e.OriginalSource);
        var treeViewItem = e.OriginalSource as Grid;
        if (treeViewItem == null) { return; }
        if (treeViewItem.DataContext is not ExplorerItem explorerItem) { return; }
        if (explorerItem.Type == ExplorerItem.ExplorerItemType.File)
        {

            // 查找特定的 TabViewItem
            var tabViewItemToFind = TabViewList.FirstOrDefault(item => (item as TabViewItem)?.Tag.ToString() == explorerItem.Dir) as TabViewItem;

            // 获取 TabViewItem 的索引位置
            if (tabViewItemToFind != null)
            {
                tabview.SelectedIndex = TabViewList.IndexOf(tabViewItemToFind);
                return;
            }
            var fileInfo = new FileInfo(explorerItem.Dir);
            //var name = Path.GetFileNameWithoutExtension(fileInfo.FullName);
            var newItem = new TabViewItem()
            {
                Tag = explorerItem.Dir,
                // 获取文件名，不包含扩展名
                Header = fileInfo.Name,
                IconSource = new Microsoft.UI.Xaml.Controls.SymbolIconSource() { Symbol = Symbol.Document }
            };
            //if(tabview.TabItems.)
            var v = wj.dqwb(explorerItem.Dir);
            var textControlBox = new RichEditBox();
            //textControlBox.Height = Height;
            textControlBox.Document.SetText(Microsoft.UI.Text.TextSetOptions.None, v);
            newItem.Content = textControlBox;
            TabViewList.Insert(0, newItem);
            tabview.SelectedIndex = 0;
        }
    }
}