using PdmSwPlugin.Common.Entity.System;
using System.Windows;
using System.Windows.Controls;

namespace PdmSwPlugin.Common.Util.Permission
{
    public class PermissionUtil
    {
        public static void SetHasPermission(DependencyObject obj, string value)
        {
            obj.SetValue(HasPermissionProperty, value);
        }

        public static readonly DependencyProperty HasPermissionProperty =
            DependencyProperty.RegisterAttached("HasPermission", typeof(string), typeof(PermissionUtil), new PropertyMetadata(null, (d, e) =>
            {

                string permission = (string)e.NewValue;
                FrameworkElement element = d as FrameworkElement;
                if (element != null)
                {
                    if (string.IsNullOrEmpty(permission))
                    {
                        SetHasPermission(element, null);
                        return;
                    }

                    SetHasPermission(element, permission);
                    if (!element.IsLoaded)
                    {
                        RoutedEventHandler Loaded_Resize = null;
                        Loaded_Resize = (sender, e1) =>
                        {
                            element.Visibility = PdmUser.LoginUser?.permissions?.Contains(permission) == true ? Visibility.Visible : Visibility.Collapsed;
                        };
                        element.Loaded += Loaded_Resize;
                    }
                    else
                    {
                        element.Visibility = PdmUser.LoginUser?.permissions?.Contains(permission) == true ? Visibility.Visible : Visibility.Collapsed;
                    }

                }
                else if (d is DataGridTemplateColumn col)
                {
                    col.Visibility = PdmUser.LoginUser?.permissions?.Contains(permission) == true ? Visibility.Visible : Visibility.Collapsed;
                }
                else if (d is DataGridTextColumn dg)
                {
                    dg.Visibility = PdmUser.LoginUser?.permissions?.Contains(permission) == true ?
                    Visibility.Visible : Visibility.Collapsed;
                }
            }));
    }
}