using Aurora;
using Microsoft.Win32;
using System.Windows;

namespace WeldingCommon.Views.DoorInterlock
{
    public class DoorInterlockPopup
    {
        private WinDoorInterlock MaintPopup = null;
        private readonly IAuroraEnvironment AuroraEnv;


        private static DoorInterlockPopup _PopupManager = null;
        public static DoorInterlockPopup GetInstance()
        {
            if (_PopupManager == null) {
                _PopupManager = new DoorInterlockPopup();
            }
            return _PopupManager;
        }
        public DoorInterlockPopup()
        {
            AuroraEnv = Application.Current.AuroraEnv();
        }

        //GYN - MAINT
        public bool CanPopupMaint()
        {
            if (MaintPopup != null) {
                return false;
            }
            return true;
        }

        public bool PopupMaint(string settingId)
        {
            if (!CanPopupMaint()) {
                return false;
            }
            WinDoorInterlockViewModel viewModel = new WinDoorInterlockViewModel(AuroraEnv.SettingEntry, settingId);
#warning Popup할때, 윈도우 이벤트(ctrl + f4, alt + ctrl + delete...) 막는 로직
            //fnEnableTaskManage(true);
            MaintPopup = new WinDoorInterlock(viewModel);
            MaintPopup.Owner = Application.Current.MainWindow;
            MaintPopup.Show();

            return true;
        }

        public void PopupMaintClose()
        {
            //fnEnableTaskManage(false);
            if (MaintPopup != null) {
                MaintPopup.Hide();
                MaintPopup = null;
            }
        }

        // 작업관리자 사용 불가능하도록 레지스트리 변경하는 함수
        public void fnEnableTaskManage(bool enable)
        {
            RegistryKey regkey;
            string subKey = @"Software\Microsoft\Windows\CurrentVersion\Policies\System";
            if (enable) {
                string keyValueInt = "1";

                regkey = Registry.CurrentUser.CreateSubKey(subKey);
                regkey.SetValue("DisableTaskMgr", keyValueInt);
                regkey.Close();
            } else {
                regkey = Registry.CurrentUser;
                RegistryKey SubKey = regkey.OpenSubKey(subKey);
                if (SubKey != null)
                    regkey.DeleteSubKeyTree(subKey);
            }
        }
    }
}