using AuroraUIComponent.Util;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using VisionCommon;
using VisionUI;
using VisionUI.Camera;
using VisionUI.Pattern;

namespace WeldingCommon.Views
{
    /// <summary>
    /// Interaction logic for UCScannerCalibration.xaml
    /// </summary>
    public partial class UCScannerCalibration : UserControl
    {
        private UCScannerCalibrationViewModel _ViewModel;

        private FovInfo _FovInfo;
        private UserControl _CameraView;


        public UCScannerCalibration(UCScannerCalibrationViewModel viewModel)
        {
            InitializeComponent();

            _ViewModel = viewModel;
            DataContext = _ViewModel;

            _FovInfo = VisionRecipeManager.GetFovInfos().FirstOrDefault();
            CreateCalibrationCameraView();
        }

        private void CreateCalibrationCameraView()
        {
            if (gridCalibrationCameraView.Children.Count == 0) {
                var fovInfo = VisionRecipeManager.GetFovInfos().FirstOrDefault();
                if (fovInfo != null) {
                    // 패턴을 찾는 공정이 있으므로 eDisplayType을 반드시 Pattern으로 해야 한다.
                    _CameraView = IpViewManager.CreateCameraView(fovInfo, eDisplayType.Pattern);
                    gridCalibrationCameraView.Children.Add(_CameraView);
                }
            }
        }

        private void UserControl_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            bool isVisible = (bool)e.NewValue;
            if (isVisible == true) {
                RefreshVisionRecipes();
                CreatePatternListView();
            } else {
                CameraUcManager.Instance.StopLiveAll();
                Dispose();
            }
        }

        private void RefreshVisionRecipes()
        {
            _FovInfo = VisionRecipeManager.GetFovInfo(_FovInfo);
        }

        private void CreatePatternListView()
        {
            var patterrnListView = new PatternListView(_FovInfo);
            var patternSettingViewModel = IpViewManager.CreatePatternListViewModel(_FovInfo, _CameraView);

            patterrnListView.DataContext = patternSettingViewModel;
            gridPatternListView.Children.Add(patterrnListView);
        }

        private void Dispose()
        {
            foreach (var child in gridPatternListView.Children) {
                if (child is PatternListView patternListView) {
                    patternListView = null;
                }
            }
            gridPatternListView.Children.Clear();
        }

        #region Grid VisionCorrectionList
        private void PasteCommand_Executed_VisionCorrectionList(object sender, ExecutedRoutedEventArgs e)
        {
            if (GridEditorVisionCorrectionList.PasteFromClipboard(null)) {
                GridEditorVisionCorrectionList.CommitEdit();
                GridEditorVisionCorrectionList.Items.Refresh();
            }
        }

        private void GridEditorVisionCorrectionList_SelectedCellsChanged(object sender, SelectedCellsChangedEventArgs e)
        {
            if (_ViewModel != null) {
                foreach (var item in e.RemovedCells) {
                    if (item.Item is CorrectionUnit) {
                        _ViewModel.SelectedVisionCorrectionList.Remove(item.Item as CorrectionUnit);
                    }
                }
                foreach (var item in e.AddedCells) {
                    if (item.Item is CorrectionUnit) {
                        var newItem = item.Item as CorrectionUnit;
                        if (!_ViewModel.SelectedVisionCorrectionList.Contains(newItem)) {
                            _ViewModel.SelectedVisionCorrectionList.Add(newItem);
                        }

                    }
                }
            }
        }

        private void GridEditorVisionCorrectionList_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            if (!IsVisible) {
                _ViewModel.SelectedVisionCorrectionList.Clear();
                GridEditorVisionCorrectionList.UnselectAllCells();
            } else {

            }
        }

        private void GridEditorVisionCorrectionList_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Escape) {
                if (sender is DataGrid dg) {
                    dg.SelectedItem = null;
                }
                if (sender is ListBox lb) {
                    lb.SelectedItem = null;
                }
            }
        }
        private void GridEditorVisionCorrectionList_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            _ViewModel.MoveScanner();
        }
        #endregion
    }
}