using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.ApplicationModel.Activation;
using Windows.ApplicationModel.Background;
using Windows.System.Power;
using Windows.UI.Notifications;

namespace FoxTube.Utils
{
	// TODO: Complete class
	public static class BackgroundManager
	{
		public static async Task PerformBackgroundTask(BackgroundActivatedEventArgs args)
		{

			if (args.TaskInstance.TriggerDetails is ToastNotificationActionTriggerDetail details)
			{
				ProcessBackgroundAction(details.Argument);
				// TODO: Process toast parameters
			}
			else
			{
				// TODO: Restore user
				// TODO: Update subscriptions
				// TODO: Update homepage cache
			}

			//var saverRequest = PowerManager.EnergySaverStatus;
		}

		public static async Task ProcessBackgroundAction(string uri)
		{

		}

		public static async void RegisterBackgroundTasks()
		{
			var backgroundRequest = await BackgroundExecutionManager.RequestAccessAsync();
			if (backgroundRequest == BackgroundAccessStatus.DeniedBySystemPolicy || backgroundRequest == BackgroundAccessStatus.DeniedByUser)
				return;

			RegisterBackgoundTask("FoxtubeToastBackground", new ToastNotificationActionTrigger());
			RegisterBackgoundTask("FoxtubeBackground", new TimeTrigger(15, false));
		}

		private static void RegisterBackgoundTask(string taskName, IBackgroundTrigger trigger)
		{
			if (BackgroundTaskRegistration.AllTasks.Any(i => i.Value.Name.Equals(taskName)))
				return;

			BackgroundTaskBuilder builder = new BackgroundTaskBuilder
			{
				Name = taskName,
				IsNetworkRequested = true
			};
			builder.SetTrigger(trigger);

			BackgroundTaskRegistration registration = builder.Register();
		}
	}
}