using Bit.App.Controls;
using Microsoft.Maui.Handlers;
using Microsoft.Maui.Platform;
using UIKit;

namespace Bit.iOS.Core.Handlers
{
    public class LabelHandlerMappings
    {
        // TODO: [Maui-Migration] See if the SelectableLabel is needed.
        //public static void Setup()
        //{
        //    LabelHandler.Mapper.AppendToMapping(nameof(ILabel.TextColor), (handler, label) =>
        //    {
        //        if (label is SelectableLabel selectableLabel)
        //        {
        //            handler.PlatformView.Selectable = true;
        //            handler.PlatformView.Editable = false;
        //            handler.PlatformView.ScrollEnabled = false;
        //            handler.PlatformView.TextContainerInset = UIEdgeInsets.Zero;
        //            handler.PlatformView.TextContainer.LineFragmentPadding = 0;
        //            handler.PlatformView.BackgroundColor = UIColor.Clear;

        //            handler.PlatformView.Text = selectableLabel.Text;
        //            handler.PlatformView.TextColor = selectableLabel.TextColor.ToPlatform();
        //        }
        //    });
        //}

        // TODO: [Maui-Migration] Check if needed to migrate given that MAUI should be automatically change the font size based on OS accessbiility

        //protected override void OnElementChanged(ElementChangedEventArgs<Label> e)
        //{
        //    base.OnElementChanged(e);
        //    if (Control != null && e.NewElement is Label)
        //    {
        //        UpdateFont();
        //    }
        //}

        //protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
        //{
        //    var label = sender as CustomLabel;
        //    switch (e.PropertyName)
        //    {
        //        case nameof(CustomLabel.AutomationId):
        //            Control.AccessibilityIdentifier = label.AutomationId;
        //            break;
        //    }

        //    base.OnElementPropertyChanged(sender, e);

        //    if (e.PropertyName == Label.FontProperty.PropertyName ||
        //        e.PropertyName == Label.TextProperty.PropertyName ||
        //        e.PropertyName == Label.FormattedTextProperty.PropertyName)
        //    {
        //        UpdateFont();
        //    }
        //}

        //private void UpdateFont()
        //{
        //    if (Element is null || Control is null)
        //        return;

        //    var pointSize = iOSHelpers.GetAccessibleFont<Label>(Element.FontSize);
        //    if (pointSize != null)
        //    {
        //        Control.Font = UIFont.FromDescriptor(Element.ToUIFont().FontDescriptor, pointSize.Value);
        //    }
        //    // TODO: For now, I'm only doing this for IconLabel with setup just in case I break the whole app labels.
        //    // We need to revisit this when we address Accessibility Large Font issues across the app
        //    // to check if we can left it more generic like
        //    // else if (Element.FontFamily != null)
        //    else if (Element is IconLabel iconLabel && iconLabel.ShouldUpdateFontSizeDynamicallyForAccesibility)
        //    {
        //        var customFont = Element.ToUIFont();
        //        Control.Font = new UIFontMetrics(UIFontTextStyle.Body.GetConstant()).GetScaledFont(customFont);
        //    }
        //}
    }
}