using HMI.Core.Util;
using System;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace HMI.UI
{
    /// <summary>
    /// MaskControl.xaml 的交互逻辑
    /// </summary>
    public partial class MaskControl : UserControl
    {
        public static MaskControl Instance;

        public static MaskControl GetInstance()
        {
            if (Instance == null)
            {
                Instance = new MaskControl();
            }
            return Instance;
        }

        public MaskControl()
        {
            InitializeComponent();
        }

        private void pausePanel_Loaded(object sender, RoutedEventArgs e)
        {
            var can = pausePanel;
            var modal = visualModal;
            Canvas.SetLeft(modal, (pausePanel.ActualWidth - visualModal.ActualWidth) / 2);
            Canvas.SetTop(modal, (pausePanel.ActualHeight - visualModal.ActualHeight) / 2.5);
        }

        public void ShowMask(UserControl control, Action action, Action<Exception> reject = null, string title = null, string content = null)
        {
            this.titleLabel.Content = title ?? LangUtil.Get("App.PleaseWait");
            this.contentLabel.Text = content;
            pausePanel.Visibility = Visibility.Visible;
            Task.Run(() =>
            {
                try
                {
                    action();
                }
                catch (Exception ex)
                {
                    if (reject != null) reject(ex);
                }
                finally
                {
                    Dispatcher.BeginInvoke(new Action(() =>
                    {
                        pausePanel.Visibility = Visibility.Collapsed;
                    }));
                }
            });
        }

    }
}