/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora;
using Aurora.Api;
using VisionCommon;
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using VisionCommonUI;
using VisionCommonUI.Resources;
using System.Collections.Generic;

namespace VisionUI.Pattern {
    /// <summary>
    /// 캠 패턴 등록 뷰
    /// CamPatternRegistrationView.xaml behind code
    /// </summary>
    public partial class CamPatternRegistrationView : UserControl {
        private static readonly Logger _Logger = new Logger("CamPatternRegistrationView");
        private IDisposable _EventDisposable;
        private SubSysInfo _SubsysInfo;

        private bool _IsViewInitialized = false;
        /// <summary>
        /// 생성자
        /// </summary>
        public CamPatternRegistrationView(SubSysInfo subSysInfo) {
            _SubsysInfo = subSysInfo;

            InitializeComponent();
            SetObservable();
        }

        private void SetObservable() {
            if (_EventDisposable == null) {
                var observable = VisionEventId.GetRecipeUpdateObservable();
                _EventDisposable = observable.Subscribe(_ => ClearView());
            }
        }

        private void ClearView() {
            if (IsVisible) {
                return;
            }

            Application.Current.Dispatcher.BeginInvoke(
                new System.Action(() => {
                    camTabControl.Items.Clear();
                    _IsViewInitialized = false;
                }));
        }

        private void InitializeView() {
            var camIdFovInfoMap = new Dictionary<eCamId, FovInfo>();
            foreach (FovInfo fovInfo in VisionRecipeManager.GetFovInfos(_SubsysInfo)) {
                var camRecipe = VisionRecipeManager.GetCamRecipe(fovInfo);
                var camId = camRecipe.CamId;
                if (!camIdFovInfoMap.ContainsKey(camId)) {
                    camIdFovInfoMap.Add(camId, fovInfo);
                }
            }

            foreach (var keyValuePair in camIdFovInfoMap) {
                var camTabItem = new TabItem() {
                    Header = keyValuePair.Key.ToString(),
                    Content = CreatePatternRegistrationView(keyValuePair.Value)
                };
                camTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
                camTabControl.Items.Add(camTabItem);
            }
            camTabControl.SelectedIndex = 0;
            _IsViewInitialized = true;
        }

        private PatternRegistrationView CreatePatternRegistrationView(FovInfo fovInfo) {
            var patternRegistrationView = new PatternRegistrationView(fovInfo);
            var patternRegistrationViewModel = new PatternRegistrationViewModel(fovInfo);

            patternRegistrationView.DataContext = patternRegistrationViewModel;

            return patternRegistrationView;
        }

        private void UserControl_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e) {
            bool isVisible = (bool)e.NewValue;
            if (isVisible == true) {
                if (!_IsViewInitialized) {
                    InitializeView();
                }
            }
        }
    }
}