using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Algorithms.Other
{
    public class Geofence
    {
        public double Latitude { get; set; }

        public double Longitude { get; set; }

        public double RadiusInMeters { get; set; }

        public Geofence(double latitude, double longitude, double radiusInMeters)
        {
            Latitude = latitude;
            Longitude = longitude;
            RadiusInMeters = radiusInMeters;
        }

        /// <summary>
        /// Checks whether the provided user location (latitude and longitude) is within the geofence boundary.
        /// The geofence is defined by a center point (latitude, longitude) and a radius in meters.
        /// </summary>
        /// <param name="userLatitude">The latitude of the user's current location.</param>
        /// <param name="userLongitude">The longitude of the user's current location.</param>
        /// <returns>Returns true if the user is inside the geofence, otherwise returns false.</returns>
        public bool IsInside(double userLatitude, double userLongitude)
        {
            double distance = GeoLocation.CalculateDistanceFromLatLng(Latitude, Longitude, userLatitude, userLongitude);
            return distance <= RadiusInMeters;
        }
    }
}