using System.Reflection;
using Gtk;
using NewLife;
using NewLife.Reflection;
//using XApi;
//using XNet;
using XCom;
using Window = Gtk.Window;

namespace XCoder;

class SharpApp : Window
{
    #region 窗口初始化
    Task<Type[]> _load;

    private readonly VBox _windowBox = new(false, 1);
    private readonly Menu _menuTool = [];
    private String _title = "新生命码神工具";

    public SharpApp() : base("新生命码神工具")
    {
        _load = Task<Type[]>.Factory.StartNew(() => typeof(IXForm).GetAllSubclasses().ToArray());

        DeleteEvent += delegate
        {
            SharpApp_Closing();
            Application.Quit();
        };

        Shown += SharpApp_Shown;

        // 触发Shown事件、递归显示所有控件，容器ShowAll后才能显示容器内所有控件
        //ShowAll();
    }

    private void SharpApp_Shown(Object sender, EventArgs e)
    {
        var set = XConfig.Current;
        if (set.Width > 0 || set.Height > 0)
        {
            DefaultWidth = set.Width;
            DefaultHeight = set.Height;
            //SetDefaultSize(set.Width, set.Height);
        }

        SetPosition(WindowPosition.Center);

        AddMenuButton();

        //AddMenu();

        var frm = new FrmMain();

        _windowBox.PackStart(frm, true, true, 0);

        Add(_windowBox);

        var asm = AssemblyX.Create(Assembly.GetExecutingAssembly());
        if (set.Title.IsNullOrEmpty()) set.Title = asm.Title;
        _title = Title = String.Format("{2} v{0} {1:HH:mm:ss}", asm.FileVersion, asm.Compile, set.Title);

        _load.ContinueWith(t => LoadForms(t.Result));

        ShowAll();
    }

    void LoadForms(Type[] ts)
    {
        var name = XConfig.Current.LastTool + "";
        foreach (var item in ts)
        {
            if (item.FullName.EqualIgnoreCase(name))
            {
                Application.Invoke((sender, args) =>
                {
                    CreateForm(item.CreateInstance() as Box);
                    Title = _title + $"[{item.GetDisplayName() ?? item.FullName}]";
                });

                break;
            }
        }

        Application.Invoke((sender, args) =>
        {
            foreach (var item in ts)
            {
                var menuItem = new MenuItem { Label = item.GetDisplayName() ?? item.FullName };

                menuItem.Activated += (s, e) =>
                {
                    var set = XConfig.Current;

                    if (set.LastTool == item.FullName) return;
                    var frm = item.CreateInstance() as Box;
                    CreateForm(frm);
                    Title = _title + $"[{menuItem.Label}]";
                };

                _menuTool.Append(menuItem);
            }
            _menuTool.ShowAll();
        });
    }

    private void SharpApp_Closing()
    {
        var set = XConfig.Current;
        //var area = Screen.PrimaryScreen.WorkingArea;
        //if (Left >= 0 && Top >= 0 && Width < area.Width - 60 && Height < area.Height - 60)
        {
            set.Width = AllocatedWidth;
            set.Height = AllocatedHeight;
            //set.Top = Top;
            //set.Left = Left;
            set.Save();
        }
    }
    #endregion

    #region 应用窗口
    void CreateForm(Box frm)
    {
        var name = frm.GetType().FullName;
        var cfg = XConfig.Current;
        if (name != cfg.LastTool)
        {
            cfg.LastTool = name;
            cfg.Save();
        }

        //frm.MdiParent = this;
        //frm.WindowState = FormWindowState.Maximized;
        if (_windowBox.Children.Length > 1)
        {
            _windowBox.Remove(_windowBox.Children[1]);
        }
        _windowBox.Add(frm);
        _windowBox.ShowAll();
        //frm.ShowAll();
    }
    #endregion

    #region 菜单
    void AddMenu()
    {
        var mb = new MenuBar();

        var filemenu = new Menu();
        var file = new MenuItem("文件")
        {
            Submenu = filemenu
        };

        var agr = new AccelGroup();
        AddAccelGroup(agr);

        var newi = new ImageMenuItem(Stock.New, agr);
        newi.AddAccelerator("activate", agr, new AccelKey(Gdk.Key.n, Gdk.ModifierType.ControlMask, AccelFlags.Visible));
        filemenu.Append(newi);

        var open = new ImageMenuItem(Stock.Open, agr);
        open.AddAccelerator("activate", agr, new AccelKey(Gdk.Key.n, Gdk.ModifierType.ControlMask, AccelFlags.Visible));
        filemenu.Append(open);

        var sep = new SeparatorMenuItem();
        filemenu.Append(sep);

        var exit = new ImageMenuItem(Stock.Quit, agr);
        exit.AddAccelerator("activate", agr, new AccelKey(Gdk.Key.q, Gdk.ModifierType.ControlMask, AccelFlags.Visible));

        //var exit = new MenuItem("退出");
        exit.Activated += (sender, args) =>
        {
            Application.Quit();
        };
        filemenu.Append(exit);

        mb.Append(file);

        //var _windowBox = new VBox(false, 2);
        _windowBox.PackStart(mb, false, false, 0);
        //_windowBox.PackStart(new Label("2333"), false, false, 0);

        //Add(_windowBox);
    }

    void AddMenuButton()
    {
        var mb = new MenuBar();

        mb.Append(GetMenuTool());
        mb.Append(GetMenuHelp());

        _windowBox.PackStart(mb, false, false, 0);
    }

    /// <summary>
    /// 添加帮助菜单
    /// </summary>
    /// <returns></returns>
    MenuItem GetMenuHelp()
    {
        var menu = new Menu();
        var menuItem = new MenuItem("帮助")
        {
            Submenu = menu
        };

        var inspector = new MenuItem("切换开发工具");
        inspector.Activated += (s, e) => InteractiveDebugging = true;
        menu.Append(inspector);

        return menuItem;
    }

    /// <summary>
    /// 添加工具菜单
    /// </summary>
    /// <returns></returns>
    MenuItem GetMenuTool()
    {
        var menu = _menuTool;
        var menuItem = new MenuItem("工具")
        {
            Submenu = menu
        };

        return menuItem;
    }
    #endregion
}