using System.Windows.Media.Animation;
using System.Windows.Threading;


namespace Melskin.Controls;
#region Internal Implementation

internal class ToastManager(IToastHost host) : IToastService
{
    public void Show(string message, ToastType type, TimeSpan? duration = null)
    {
        Application.Current.Dispatcher.Invoke(() =>
        {
            var toast = new ToastControl { Message = message, Type = type };

            var fadeInAnim = new DoubleAnimation(0, 1, TimeSpan.FromMilliseconds(350));

            var timer = new DispatcherTimer { Interval = duration ?? TimeSpan.FromSeconds(4) };
            timer.Tick += (_, _) =>
            {
                timer.Stop();
                var fadeOutAnim = new DoubleAnimation(1, 0, TimeSpan.FromMilliseconds(350));
                fadeOutAnim.Completed += (_, _) => host.RemoveToast(toast);
                toast.BeginAnimation(UIElement.OpacityProperty, fadeOutAnim);
            };

            toast.Loaded += (_, _) =>
            {
                toast.BeginAnimation(UIElement.OpacityProperty, fadeInAnim);
                timer.Start();
            };

            host.AddToast(toast);
        });
    }

    public void ShowSuccess(string message, TimeSpan? duration = null) => Show(message, ToastType.Success, duration);
    public void ShowError(string message, TimeSpan? duration = null) => Show(message, ToastType.Error, duration);
    public void ShowWarning(string message, TimeSpan? duration = null) => Show(message, ToastType.Warning, duration);
    public void ShowInfo(string message, TimeSpan? duration = null) => Show(message, ToastType.Info, duration);
}
#endregion