using Prism.Ioc;
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using XP.Common.Logging.Interfaces;
using XplorePlane.Services;
using XplorePlane.ViewModels.Cnc;

namespace XplorePlane.Views.Cnc
{
    /// <summary>
    /// CNC editor main page view.
    /// </summary>
    public partial class CncPageView : UserControl
    {
        private CncInspectionModulePipelineViewModel _inspectionModulePipelineViewModel;

        public CncPageView()
        {
            InitializeComponent();
            Loaded += OnLoaded;
        }

        private void OnLoaded(object sender, RoutedEventArgs e)
        {
            CncEditorViewModel editorViewModel = DataContext as CncEditorViewModel;
            if (editorViewModel == null)
            {
                try
                {
                    editorViewModel = ContainerLocator.Current?.Resolve<CncEditorViewModel>();
                    DataContext = editorViewModel;
                }
                catch (Exception)
                {
                    // keep existing DataContext if resolution fails
                }
            }

            if (editorViewModel == null || _inspectionModulePipelineViewModel != null)
                return;

            try
            {
                var imageProcessingService = ContainerLocator.Current.Resolve<IImageProcessingService>();
                var persistenceService = ContainerLocator.Current.Resolve<IPipelinePersistenceService>();
                var logger = ContainerLocator.Current.Resolve<ILoggerService>();

                _inspectionModulePipelineViewModel = new CncInspectionModulePipelineViewModel(
                    editorViewModel,
                    imageProcessingService,
                    persistenceService,
                    logger);

                InspectionModulePipelineEditor.DataContext = _inspectionModulePipelineViewModel;
                InspectionModulePipelineEmptyState.DataContext = _inspectionModulePipelineViewModel;
            }
            catch (Exception)
            {
                // keep page usable even if pipeline editor host setup fails
            }
        }

        private void CncTreeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            if (DataContext is CncEditorViewModel viewModel)
            {
                viewModel.SelectedNode = e.NewValue as CncNodeViewModel;
            }
        }
    }

    public class NullToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var invert = string.Equals(parameter as string, "Invert", StringComparison.OrdinalIgnoreCase);
            var isVisible = value != null;
            if (invert)
            {
                isVisible = !isVisible;
            }

            return isVisible ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException();
        }
    }
}