using System.Collections.Specialized;
using System.Windows.Controls;

namespace SpdUp.Views;

public partial class DebugLogView : UserControl
{
    public DebugLogView()
    {
        InitializeComponent();

        // Auto-scroll to bottom when new items are added
        if (LogList.ItemsSource is INotifyCollectionChanged ncc)
        {
            ncc.CollectionChanged += (_, _) =>
            {
                if (DataContext is ViewModels.DebugLogViewModel vm && vm.AutoScroll && LogList.Items.Count > 0)
                {
                    LogList.ScrollIntoView(LogList.Items[^1]);
                }
            };
        }

        Loaded += (_, _) =>
        {
            if (LogList.ItemsSource is INotifyCollectionChanged ncc2)
            {
                ncc2.CollectionChanged += (_, _) =>
                {
                    if (DataContext is ViewModels.DebugLogViewModel vm && vm.AutoScroll && LogList.Items.Count > 0)
                    {
                        LogList.ScrollIntoView(LogList.Items[^1]);
                    }
                };
            }
        };
    }
}