using System.Diagnostics.CodeAnalysis;
using Pixiview.iOS.Services;
using Pixiview.Utils;
using UIKit;
using Xamarin.Essentials;
using Xamarin.Forms;

[assembly: Dependency(typeof(EnvironmentService))]
namespace Pixiview.iOS.Services
{
    public class EnvironmentService : IEnvironmentService
    {
        [SuppressMessage("Code Notifications", "XI0002:Notifies you from using newer Apple APIs when targeting an older OS version", Justification = "<Pending>")]
        public Theme GetApplicationTheme()
        {
            if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0))
            {
                var currentController = Platform.GetCurrentUIViewController();
                if (currentController == null)
                {
                    return Theme.Light;
                }
                var style = currentController.TraitCollection.UserInterfaceStyle;
                if (style == UIUserInterfaceStyle.Dark)
                {
                    return Theme.Dark;
                }
                else
                {
                    return Theme.Light;
                }
            }
            else
            {
                return Theme.Light;
            }
        }

        public EnvironmentParameter GetEnvironment()
        {
            return new EnvironmentParameter
            {
                IconLightFontFamily = "FontAwesome5Pro-Light",
                IconRegularFontFamily = "FontAwesome5Pro-Regular",
                IconSolidFontFamily = "FontAwesome5Pro-Solid",

                IconLeft = "\uf104"     // for android, it's "\uf060"
            };
        }

        public void SetStatusBarColor(Color color)
        {
            // nothing need to do
        }
    }
}