/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api;
using System.Windows;
using System.ComponentModel;
using System.Windows.Threading;
using VisionCommon;

namespace VisionUI {
    public partial class ChildImageSettingWindow : Window {
        private static Logger _Logger = new Logger(typeof(ChildImageSettingWindow).Name);
        private FovInfo _FovInfo;

        public static ChildImageSettingWindow _Instance = null;
        private static readonly object _Lock = new object();
        private delegate void HideWindow();

        public static ChildImageSettingWindow Instance {
            get {
                lock (_Lock) {
                    if (_Instance == null) {
                        _Instance = new ChildImageSettingWindow();
                    }
                    return _Instance;
                }
            }
        }

        private ChildImageSettingWindow() {
            InitializeComponent();
        }

        public void Show(FovInfo fovInfo, ICameraDisplay cameraDisplay) {
            _FovInfo = fovInfo;
            if (gridChildImageSettingView.Children.Count == 0) {
                var childImageSettingView = new ChildImageSettingView(_FovInfo, cameraDisplay) {
                    DataContext = new ChildImageSettingViewModel(_FovInfo, cameraDisplay)
                };
                gridChildImageSettingView.Children.Add(childImageSettingView);
            }
            this.Show();
        }

        protected override void OnClosing(CancelEventArgs e) {
            e.Cancel = true;
            Dispatcher.BeginInvoke(DispatcherPriority.Normal, new HideWindow(_HideWindow));
            gridChildImageSettingView.Children.Clear();
        }

        private void _HideWindow() {
            this.Hide();
        }
    }
}