using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Media;
using SQLVision.Core.Enums;
using SQLVision.Core.Models;
using SQLVision.Visualizers.Interfaces;
using System.Data;

namespace SQLVision.Visualizers.Visualizers;

public class TableVisualizer : IVisualizer
{
    public FrameworkElement Visualize(DataTable data, OutputDefinition definition)
    {
        var listView = new ListView
        {
            ItemsSource = data.DefaultView,
            SelectionMode = ListViewSelectionMode.None,
            IsItemClickEnabled = false,
            HorizontalAlignment = HorizontalAlignment.Stretch,
            VerticalAlignment = VerticalAlignment.Stretch
        };

        // Автоматическое создание колонок
        listView.ItemTemplate = CreateDataTemplate(data);

        var scrollViewer = new ScrollViewer
        {
            Content = listView,
            HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
            VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
            MaxHeight = 600
        };

        return scrollViewer;
    }

    private DataTemplate CreateDataTemplate(DataTable data)
    {
        var gridFactory = new FrameworkElementFactory(typeof(Grid));

        // Создаем колонки
        foreach (DataColumn column in data.Columns)
        {
            var columnDefinition = new ColumnDefinition();
            gridFactory.AppendChild(columnDefinition);
        }

        // Создаем строку с текстовыми блоками
        var stackPanelFactory = new FrameworkElementFactory(typeof(StackPanel));
        stackPanelFactory.SetValue(StackPanel.OrientationProperty, Orientation.Horizontal);

        foreach (DataColumn column in data.Columns)
        {
            var borderFactory = new FrameworkElementFactory(typeof(Border));
            borderFactory.SetValue(Border.BorderThicknessProperty, new Thickness(0, 0, 1, 1));
            borderFactory.SetValue(Border.BorderBrushProperty, new SolidColorBrush(Colors.LightGray));

            var textBlockFactory = new FrameworkElementFactory(typeof(TextBlock));
            textBlockFactory.SetBinding(TextBlock.TextProperty,
                new Microsoft.UI.Xaml.Data.Binding { Path = new PropertyPath($"[{column.ColumnName}]") });
            textBlockFactory.SetValue(TextBlock.MarginProperty, new Thickness(4));
            textBlockFactory.SetValue(TextBlock.VerticalAlignmentProperty, VerticalAlignment.Center);

            borderFactory.AppendChild(textBlockFactory);
            stackPanelFactory.AppendChild(borderFactory);
        }

        gridFactory.AppendChild(stackPanelFactory);

        return new DataTemplate { VisualTree = gridFactory };
    }

    public bool CanVisualize(OutputType type) => type == OutputType.Table;
}