using PDF_Office.ViewModels.PropertyPanel.ViewModular;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace PDF_Office.Views.PropertyPanel.ViewModular
{
    /// <summary>
    /// SplitScreenContent.xaml 的交互逻辑
    /// </summary>
    public partial class SplitScreenContent : UserControl
    {
        private SplitScreenContentViewModel splitScreenContentViewModel = null;
        private bool isLoadMenuSelectedFiles = false;
        private bool isLoadMenuReselect = false;

        public SplitScreenContent()
        {
            InitializeComponent();
            splitScreenContentViewModel = (SplitScreenContentViewModel)this.DataContext;
        }

        private void BtnSelectedFiles_Click(object sender, RoutedEventArgs e)
        {
            MenuSelectedFiles.PlacementTarget = this.BtnSelectedFiles;
            MenuSelectedFiles.IsOpen = true;
            if (splitScreenContentViewModel != null && !isLoadMenuSelectedFiles)
            {
                splitScreenContentViewModel.SelectedFilesCommand.Execute(MenuSelectedFiles);
                isLoadMenuSelectedFiles = true;
            }
        }

        private void BtnSelectedFiles_Initialized(object sender, EventArgs e)
        {
            this.BtnSelectedFiles.ContextMenu = null;
        }

        private void BtnReselect_Click(object sender, RoutedEventArgs e)
        {
            MenuReselect.PlacementTarget = this.BtnReselect;
            MenuReselect.IsOpen = true;
            if (splitScreenContentViewModel != null && !isLoadMenuReselect)
            {
                splitScreenContentViewModel.SelectedFilesCommand.Execute(MenuReselect);
                isLoadMenuReselect = true;
            }
        }

        private void BtnReselect_Initialized(object sender, EventArgs e)
        {
            this.BtnReselect.ContextMenu = null;
        }

        private void RectReselect_MouseEnter(object sender, MouseEventArgs e)
        {
            Dispatcher.BeginInvoke(DispatcherPriority.Send, new Action(delegate
            {
                this.BtnReselect.Visibility = Visibility.Visible;
                this.MenuReselect.Visibility = Visibility.Visible;
                this.RectReselect.Visibility = Visibility.Collapsed;
            }));
        }

        private async void BtnReselect_MouseLeave(object sender, MouseEventArgs e)
        {
            //IInputElement focusedControl = FocusManager.GetFocusedElement(MenuReselect);
            //if (focusedControl is MenuItem menu)
            //{
            //    if (menu.Header.ToString() != "Select file")
            //    {
            //        await System.Threading.Tasks.Task.Delay(3000);
            //        this.BtnReselect.Visibility = Visibility.Collapsed;
            //        this.RectReselect.Visibility = Visibility.Visible;
            //    }
            //}
            //else
            //{
            //    await System.Threading.Tasks.Task.Delay(3000);
            //    this.BtnReselect.Visibility = Visibility.Collapsed;
            //    this.RectReselect.Visibility = Visibility.Visible;
            //}

            await System.Threading.Tasks.Task.Delay(3000);
            this.BtnReselect.Visibility = Visibility.Collapsed;
            this.MenuReselect.Visibility = Visibility.Collapsed;
            this.RectReselect.Visibility = Visibility.Visible;
        }

        private void MenuReselect_MouseEnter(object sender, MouseEventArgs e)
        {
            this.BtnReselect.Visibility = Visibility.Visible;
            this.MenuReselect.Visibility = Visibility.Visible;
            this.RectReselect.Visibility = Visibility.Collapsed;
        }
    }
}