using Darnton.Units;
using System;
using System.Text.Json.Serialization;

namespace Darnton.Blazor.DeviceInterop.Geolocation
{
    /// <summary>
    /// Geolocation Position, based on <see href="https://developer.mozilla.org/en-US/docs/Web/API/GeolocationPosition"/>.
    /// </summary>
    public class GeolocationPosition
    {
        /// <summary>
        /// The coordinates defining the current location
        /// </summary>
        public GeolocationCoordinates Coords { get; set; }

        /// <summary>
        /// The time the coordinates were taken, in milliseconds since the Unix epoch.
        /// </summary>
        public long Timestamp { get; set; }

        /// <summary>
        /// The <see cref="DateTimeOffset"/> derived from the Timestamp, in UTC.
        /// </summary>
        [JsonIgnore]
        public DateTimeOffset DateTimeOffset => (Timestamp / 1000).FromUnixTime().ToDateTimeOffset();
    }
}