using System.Windows;
using XP.ImageProcessing.RoiControl.Controls;

namespace XplorePlane.Views.ImageProcessing
{
    public partial class BgaMeasurePanel : Window
    {
        private PolygonRoiCanvas _canvas;

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

        private void OnLoaded(object sender, RoutedEventArgs e)
        {
            try
            {
                var mainWin = Owner as MainWindow;
                if (mainWin != null)
                    _canvas = FindChild<PolygonRoiCanvas>(mainWin);
            }
            catch { }

            // 模式切换：通知 canvas 切换气泡/焊球
            RbVoid.Checked += (s, ev) =>
            {
                if (_canvas != null) _canvas.SetBgaDrawBall(false);
            };
            RbBall.Checked += (s, ev) =>
            {
                if (_canvas != null) _canvas.SetBgaDrawBall(true);
            };

            // VoidLimit 同步
            SliderVoidLimit.ValueChanged += (s, ev) =>
            {
                TbVoidLimit.Text = SliderVoidLimit.Value.ToString("F1");
                _canvas?.SetBgaVoidLimit(SliderVoidLimit.Value);
            };

            // 监听测量完成事件更新结果
            if (_canvas != null)
            {
                _canvas.MeasureCompleted += (s, ev) =>
                {
                    if (ev is MeasureCompletedEventArgs args && args.MeasureType == "BgaVoid")
                    {
                        TbResult.Text = $"空隙率: {args.Distance:F1}%";
                    }
                };
            }
        }

        private void Finish_Click(object sender, RoutedEventArgs e)
        {
            Close();
        }

        private static T FindChild<T>(DependencyObject parent) where T : DependencyObject
        {
            int count = System.Windows.Media.VisualTreeHelper.GetChildrenCount(parent);
            for (int i = 0; i < count; i++)
            {
                var child = System.Windows.Media.VisualTreeHelper.GetChild(parent, i);
                if (child is T t) return t;
                var result = FindChild<T>(child);
                if (result != null) return result;
            }
            return null;
        }
    }
}