using Avalonia;
using Avalonia.Controls;
using System.Diagnostics;


namespace Plugin.Cowain.Wcs.Controls;

public class CustomGridPanel : Panel
{
    // 定义Row附加属性
    public static readonly AttachedProperty<int> RowProperty =
        AvaloniaProperty.RegisterAttached<CustomGridPanel, Control, int>(
            "Row", 0);

    // 定义Column附加属性
    public static readonly AttachedProperty<int> ColumnProperty =
        AvaloniaProperty.RegisterAttached<CustomGridPanel, Control, int>(
            "Column", 0);

    // 定义CellSize附加属性
    public static readonly AttachedProperty<Size> CellSizeProperty =
        AvaloniaProperty.RegisterAttached<CustomGridPanel, Control, Size>(
            "CellSize", new Size(100, 100));

    // 属性访问器
    public static int GetRow(Control element) => element.GetValue(RowProperty);
    public static void SetRow(Control element, int value) => element.SetValue(RowProperty, value);

    public static int GetColumn(Control element) => element.GetValue(ColumnProperty);
    public static void SetColumn(Control element, int value) => element.SetValue(ColumnProperty, value);

    public static Size GetCellSize(Control element) => element.GetValue(CellSizeProperty);
    public static void SetCellSize(Control element, Size value) => element.SetValue(CellSizeProperty, value);

    protected override Size MeasureOverride(Size availableSize)
    {
        Debug.WriteLine("=== Measuring CustomGridPanel ===");

        int maxRow = 0;
        int maxColumn = 0;

        foreach (var child in Children)
        {
            int row = GetRow(child);
            int column = GetColumn(child);

            Debug.WriteLine($"Child: {child.GetType().Name}, Row: {row}, Column: {column}");

            maxRow = Math.Max(maxRow, row);
            maxColumn = Math.Max(maxColumn, column);

            child.Measure(availableSize);
        }

        var cellSize = GetCellSize(this);
        var result = new Size((maxColumn + 1) * cellSize.Width, (maxRow + 1) * cellSize.Height);

        Debug.WriteLine($"Measured size: {result.Width} x {result.Height}");
        return result;
    }

    protected override Size ArrangeOverride(Size finalSize)
    {
        Debug.WriteLine("=== Arranging CustomGridPanel ===");

        var cellSize = GetCellSize(this);

        foreach (var child in Children)
        {
            int row = GetRow(child);
            int column = GetColumn(child);

            Debug.WriteLine($"Arranging child at Row: {row}, Column: {column}");

            Rect rect = new Rect(
                column * cellSize.Width,
                row * cellSize.Height,
                cellSize.Width,
                cellSize.Height);

            child.Arrange(rect);
        }

        return finalSize;
    }


}