using Aurora;
using Aurora.Api;
using VisionCommon;
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using VisionCommonUI.Resources;
using VisionCommonUI;

namespace VisionUI.Setup {
    /// <summary>
    /// 서브메뉴 : 오토포커스 뷰
    /// SubMenuAutoFocusView.xaml behind code
    /// </summary>
    public partial class SubMenuAutoFocusView : UserControl {
        private static readonly Logger _Logger = new Logger("SubMenuAutoFocusView");
        private IDisposable _EventDisposable;

        private bool _IsViewInitialized = false;
        /// <summary>
        /// 생성자
        /// </summary>
        public SubMenuAutoFocusView() {
            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(() => {
                    unitTabControl.Items.Clear();
                    _IsViewInitialized = false;
                }));
        }

        private void InitializeView() {
            int tabIdx = 0;

            var uinitInfos = VisionRecipeManager.GetUnitInfos();
            foreach (UnitInfo unitInfo in uinitInfos) {
                var unitTabItem = new TabItem() {
                    Header = unitInfo.UnitName,
                    TabIndex = tabIdx++,
                    Content = GetSubSystemTabControl(unitInfo.UnitId)
                };
                unitTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
                unitTabControl.Items.Add(unitTabItem);
            }
            unitTabControl.SelectedIndex = 0;
            _IsViewInitialized = true;

            if (unitTabControl.Items.Count == 0 || unitTabControl.Items.Count < uinitInfos.Count) {
                PrintRecipeError(typeof(UnitRecipe).Name, unitTabControl);
            }
        }

        private TabControl GetSubSystemTabControl(eUnitId unitId) {
            try {
                var subSystemTabControl = new TabControl();
                subSystemTabControl.Style = FindResource("styleSubMenuRootTabControl") as Style;
                subSystemTabControl.Margin = new System.Windows.Thickness(10, 0, 0, 0);
                int tabIdx = 0;

                var subSysInfos = VisionRecipeManager.GetSubSysInfos(unitId);
                foreach (var subSysInfo in subSysInfos) {
                    if (VisionRecipeManager.GetSubSysType(subSysInfo) == eSubSysType.Review) {
                        continue;
                    }

                    var subSystemTabItem = new TabItem() {
                        Header = subSysInfo.SubSysName,
                        TabIndex = tabIdx++,
                        Content = GetFovTabControl(subSysInfo)
                    };
                    subSystemTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
                    subSystemTabControl.Items.Add(subSystemTabItem);
                }

                if (subSystemTabControl.Items.Count == 0) {
                    PrintRecipeError(typeof(SubSysRecipe).Name, subSystemTabControl);
                }

                return subSystemTabControl;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }

            return null;
        }

        private TabControl GetFovTabControl(SubSysInfo subSysInfo) {
            try {
                var fovTabControl = new TabControl();
                fovTabControl.Style = FindResource("styleSubMenuRootTabControl") as Style;
                fovTabControl.Margin = new System.Windows.Thickness(10, 0, 0, 0);
                int tabIdx = 0;

                var fovInfos = VisionRecipeManager.GetFovInfos(subSysInfo);
                foreach (var fovInfo in fovInfos) {
                    var fovRecipe = VisionRecipeManager.GetFovRecipe(fovInfo);
                    if (fovRecipe.FovSetupRecipe.AutoFocusRecipe == null) {
                        continue;
                    }

                    var fovTabItem = new TabItem() {
                        Header = fovRecipe.FovName,
                        TabIndex = tabIdx++,
                        Content = CreateAutoFocusView(fovInfo)
                    };
                    fovTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
                    fovTabControl.Items.Add(fovTabItem);
                }

                if (fovTabControl.Items.Count == 0 || fovTabControl.Items.Count < fovInfos.Count) {
                    PrintRecipeError(typeof(FovSetupRecipe).Name, fovTabControl);
                }

                return fovTabControl;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }

            return null;
        }

        private AutoFocusView CreateAutoFocusView(FovInfo fovInfo) {
            var autoFocusView = new AutoFocusView(fovInfo);
            var autoFocusViewModel = new AutoFocusViewModel(fovInfo);
            autoFocusView.DataContext = autoFocusViewModel;

            return autoFocusView;
        }

        private void PrintRecipeError(string recipeName, TabControl tabControl) {
            var errMsg = string.Format(StrTokens.RecipeErrorMessage, recipeName);
            var errTabItem = new TabItem() {
                Header = "Undefined",
                Content = new UCRecipeErrorTextBlock(errMsg) { Margin = new Thickness(15) }
            };
            errTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
            errTabItem.VerticalContentAlignment = VerticalAlignment.Center;
            errTabItem.HorizontalContentAlignment = HorizontalAlignment.Center;
            tabControl.Items.Add(errTabItem);
        }

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