using System;
using System.Threading;
using System.Threading.Tasks;
using TINK.Model.Device;
using Xamarin.Essentials;

namespace TINK.Services.Geolocation
{
	public class SimulatedGeolocationService : IGeolocationService
	{
		private IGeolodationDependent Dependent { get; }

		public SimulatedGeolocationService(IGeolodationDependent dependent)
		{
			Dependent = dependent;
		}

		/// <summary> Gets the current location.</summary>
		/// <param name="cancelToken">Token to cancel request for geolocation.</param>
		/// <param name="timeStamp">Time when geolocation is of interest. Is used to determine whether cached geolocation can be used or not.</param>
		public async Task<IGeolocation> GetAsync(CancellationToken? cancelToken = null, DateTime? timeStamp = null)
		{
			return await Task.FromResult(new Geolocation.Builder {
				Latitude = 47.976634,
				Longitude = 7.825490,
				Accuracy = 0,
				Timestamp = timeStamp ?? DateTime.Now }.Build()); ;
		}

		/// <summary> If true location data returned is simulated.</summary>
		public bool IsSimulation { get => true; }

		public bool IsGeolcationEnabled => Dependent.IsGeolcationEnabled;
	}
}