using Newtonsoft.Json.Linq;
using ScreenGrab;
using System.Drawing;
using System.IO;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using Bitmap = System.Drawing.Bitmap;
using MessageBox = System.Windows.MessageBox;
using Point = System.Windows.Point;

using CefSharp;
using CefSharp.Wpf;


namespace WpfEditor
{
    public partial class TreeMenuPage : Window
    {
        private bool _isMenuVisible = false;
        private bool _forceClose = false;
        private NotifyIcon _notifyIcon;

        public TreeMenuPage()
        {
            InitializeComponent();

            // 初始化时隐藏菜单
            TreeMenuBorder.Visibility = Visibility.Collapsed;

            // 添加点击其他区域隐藏菜单的事件
            this.MouseDown += TreeMenuPage_MouseDown;



            GlobalHotKey.RegisterHotKey("Alt + S", () => {

                if (ScreenGrabber.IsCapturing) return;
                    // https://github.com/wuqinchao/ScreenCapturer
                        // 替代品
                ScreenGrabber.OnCaptured = async (bitmap, type) => await ScreenshotCallbackAsync(bitmap, type, null);
                ScreenGrabber.Capture(true);

            });

            GlobalHotKey.RegisterHotKey("Alt + D", () => {
                //var win = Echodict.EchodictWindow.Instance;
                //if (win.WindowState == WindowState.Minimized)
                //{
                //    win.WindowState = win.LastWindowState;
                //}
                //win.WindowStartupLocation = WindowStartupLocation.CenterScreen;
                //win.Show();
                //win.Activate();
                //win.Topmost = true;
                showDict();
            });

            GlobalHotKey.RegisterHotKey("Alt + E", () => {
                Show();
                WindowState = WindowState.Normal;
                Activate();
            });

            Loaded += TreeMenuPage_Loaded;
            Closing += TreeMenuPage_Closing;
            StateChanged += TreeMenuPage_StateChanged;
        }

        private void TreeMenuPage_StateChanged(object? sender, EventArgs e)
        {
            if (WindowState == WindowState.Minimized)
            {
                Hide();
            }
        }

        private void showDict()
        {
            var win = Echodict.EchodictWindow.Instance;
            if (win.WindowState == WindowState.Minimized)
            {
                win.WindowState = win.LastWindowState;
            }
            win.WindowStartupLocation = WindowStartupLocation.CenterScreen;
            win.Show();
            win.Activate();
            win.Topmost = true;
        }

        private void TreeMenuPage_Loaded(object sender, RoutedEventArgs e)
        {
            WindowState = WindowState.Minimized;
            Hide();

            _notifyIcon = new NotifyIcon();
            _notifyIcon.Icon = new Icon("ico.ico");
            _notifyIcon.Visible = true;
            _notifyIcon.Text = "EchoDict";

            var contextMenu = new ContextMenuStrip();
            var exitMenuItem = new ToolStripMenuItem("退出");
            exitMenuItem.Click += (s, e) => {
                _forceClose = true;
                System.Windows.Application.Current.Shutdown();
            };
            var ocrMenuItem = new ToolStripMenuItem("Alt+S 截图OCR");
            ocrMenuItem.Click += (s, e) => {
                if (ScreenGrabber.IsCapturing) return;
                ScreenGrabber.OnCaptured = async (bitmap, type) => await ScreenshotCallbackAsync(bitmap, type, null);
                ScreenGrabber.Capture(true);
            };
            var EchoEditorMenuItem = new ToolStripMenuItem("Alt+E EchoEditor");
            EchoEditorMenuItem.Click += (s, e) => {
                Show();
                WindowState = WindowState.Normal;
                Activate();
            };
            var EchoDictMenuItem = new ToolStripMenuItem("Alt+D EchoDict");
            EchoDictMenuItem.Click += (s, e) => {
                //var win = Echodict.EchodictWindow.Instance;
                //if (win.WindowState == WindowState.Minimized)
                //{
                //    win.WindowState = win.LastWindowState;
                //}
                //win.WindowStartupLocation = WindowStartupLocation.CenterScreen;
                //win.Show();
                //win.Activate();
                //win.Topmost = true;
                showDict();
            };
            contextMenu.Items.Add(ocrMenuItem);
            contextMenu.Items.Add(EchoDictMenuItem);
            contextMenu.Items.Add(EchoEditorMenuItem);
            contextMenu.Items.Add(exitMenuItem);
            _notifyIcon.ContextMenuStrip = contextMenu;

            _notifyIcon.DoubleClick += (s, args) =>
            {
                //Show();
                //WindowState = WindowState.Normal;
                //Activate();

                showDict();
            };
        }

        private void TreeMenuPage_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (_forceClose)
            {
                if (_notifyIcon != null)
                {
                    _notifyIcon.Visible = false;
                    _notifyIcon.Dispose();
                }
            } else
            {
                e.Cancel = true;
                WindowState = WindowState.Minimized;
                Hide();
            }
        }

        private async Task ScreenshotCallbackAsync(Bitmap? bitmap, string type, CancellationToken? token = null)
        {
            if (bitmap == null)
            {
                //ShowBalloonTip("图像不存在");
                return;
            }

            // 将 bitmap 转成 bytes
            byte[] bytes;
            using (var ms = new MemoryStream())
            {
                bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                bytes = ms.ToArray();
            }

            // run first -> huggingface/comicocr/main.py
            //string result = await ComicOcr.RecognizeImage("", bytes);
            
            // 获取临时文件夹路径
            string tempDir = Path.GetTempPath();
            // 生成唯一的临时文件名
            string tempFile = Path.Combine(tempDir, Guid.NewGuid().ToString("N") + ".jpg");
            File.WriteAllBytes(tempFile, bytes);
            //try
            //{
            //    // 将 bytes 写入临时文件
            //    File.WriteAllBytes(tempFile, bytes);
            //}
            //finally
            //{
            //    // 删除临时文件
            //    if (File.Exists(tempFile))
            //    {
            //        File.Delete(tempFile);
            //    }
            //}

            //var win = new OCRResultWindow("just a test.");
            //win.Owner = this;
            //win.WindowStartupLocation = WindowStartupLocation.CenterOwner;
            //win.Show();

            var ReviseEditWindow = new MainWindow(EditorMode.ReviseEdit);
            if (type == "文字识别")
            {
                ReviseEditWindow._ocrMode = OcrMode.WeChatOcr;
            } else if (type == "漫画识别")
            {
                ReviseEditWindow._ocrMode = OcrMode.ComicOcr;
            }
            ReviseEditWindow.WindowState = WindowState.Maximized;
            ReviseEditWindow.Show();
            ReviseEditWindow.handle_comicocr_open_img(tempFile);

        }

        private void MenuButton_Click(object sender, RoutedEventArgs e)
        {
            ToggleMenu();
        }

        private void ToggleMenu()
        {
            if (_isMenuVisible)
            {
                HideMenu();
            }
            else
            {
                ShowMenu();
            }
        }

        private void ShowMenu()
        {
            TreeMenuBorder.Visibility = Visibility.Visible;
            _isMenuVisible = true;
            
            // 添加滑入动画效果
            var slideAnimation = new DoubleAnimation
            {
                From = -250,
                To = 0,
                Duration = TimeSpan.FromMilliseconds(300),
                EasingFunction = new QuadraticEase { EasingMode = EasingMode.EaseOut }
            };
            
            var transform = new TranslateTransform();
            TreeMenuBorder.RenderTransform = transform;
            transform.BeginAnimation(TranslateTransform.XProperty, slideAnimation);
        }

        private void HideMenu()
        {
            var slideAnimation = new DoubleAnimation
            {
                From = 0,
                To = -250,
                Duration = TimeSpan.FromMilliseconds(200),
                EasingFunction = new QuadraticEase { EasingMode = EasingMode.EaseIn }
            };
            
            slideAnimation.Completed += (s, e) => 
            {
                TreeMenuBorder.Visibility = Visibility.Collapsed;
                _isMenuVisible = false;
            };
            
            var transform = TreeMenuBorder.RenderTransform as TranslateTransform ?? new TranslateTransform();
            TreeMenuBorder.RenderTransform = transform;
            transform.BeginAnimation(TranslateTransform.XProperty, slideAnimation);
        }

        private void TreeItem_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            if (sender is TreeViewItem item)
            {
                string action = item.Tag?.ToString() ?? "";
                HandleMenuAction(action, item.Header?.ToString() ?? "");
            }
        }

        private void HandleMenuAction(string action, string itemName)
        {
            // 更新内容显示
            ContentText.Text = $"您点击了: {itemName}";

            // 根据不同的操作执行相应的功能
            switch (action)
            {
                case "ImageOCR":
                    var ImageOCRWindow = new MainWindow(EditorMode.ImageOCR);
                    ImageOCRWindow.WindowState = WindowState.Maximized;
                    ImageOCRWindow.Show();
                    break;
                case "ReviseEdit":
                    var ReviseEditWindow = new MainWindow(EditorMode.ReviseEdit);
                    ReviseEditWindow.WindowState = WindowState.Maximized;
                    ReviseEditWindow.Show();
                    break;
                case "MenuSplit":
                    var MenuSplitWindow = new MainWindow(EditorMode.MenuSplit);
                    MenuSplitWindow.WindowState = WindowState.Maximized;
                    MenuSplitWindow.Show();
                    break;
                case "SaveFile":
                    MessageBox.Show("执行保存文件操作", "操作提示", MessageBoxButton.OK, MessageBoxImage.Information);
                    break;
                case "Copy":
                    MessageBox.Show("执行复制操作", "操作提示", MessageBoxButton.OK, MessageBoxImage.Information);
                    break;
                case "ExportPDFImage":
                    var exportPdfImageWindow = new ExportPDFImage();
                    exportPdfImageWindow.Show();
                    break;
                case "Paste":
                    MessageBox.Show("执行粘贴操作", "操作提示", MessageBoxButton.OK, MessageBoxImage.Information);
                    break;
                case "About":
                    MessageBox.Show("WPF编辑器 v1.0\n一个功能丰富的文本编辑器", "关于", MessageBoxButton.OK, MessageBoxImage.Information);
                    break;
                default:
                    // 对于其他操作，只显示提示信息
                    break;
            }
            
            // 点击后隐藏菜单
            HideMenu();
        }

        private void TreeMenuPage_MouseDown(object sender, MouseButtonEventArgs e)
        {
            // 如果点击的不是菜单区域，则隐藏菜单
            if (_isMenuVisible && !IsMouseOverElement(TreeMenuBorder, e.GetPosition(this)))
            {
                HideMenu();
            }
        }

        private bool IsMouseOverElement(FrameworkElement element, Point mousePosition)
        {
            var elementPosition = element.TransformToAncestor(this).Transform(new Point(0, 0));
            var elementBounds = new Rect(elementPosition.X, elementPosition.Y, element.ActualWidth, element.ActualHeight);
            return elementBounds.Contains(mousePosition);
        }
    }
}