using System;
using System.Linq;
using Geocoding;
using Geocoding.Google;
using InABox.Core;
using Address = InABox.Core.Address;
using Location = Geocoding.Location;

namespace Comal.Stores
{
    public static class StoreUtils
    {
        public static string GoogleAPIKey { get; set; }

        public static void RegisterClasses()
        {
            CoreUtils.RegisterClasses(typeof(StoreUtils).Assembly);
        }

        public static void Geocode(Address address)
        {
            if (!address.IsChanged())
                return;

            if (string.IsNullOrEmpty(address.Street) || string.IsNullOrEmpty(address.City) || string.IsNullOrEmpty(address.State))
            {
                address.Location.Latitude = 0.0F;
                address.Location.Longitude = 0.0F;
                address.Location.Timestamp = DateTime.MinValue;
                return;
            }

            try
            {
                if (!string.IsNullOrWhiteSpace(GoogleAPIKey))
                {
                    IGeocoder geocoder = new GoogleGeocoder(GoogleAPIKey);
                    var add = geocoder.GeocodeAsync(string.Format("{0} {1} {2} Australia", address.Street, address.City, address.State)).Result
                        .FirstOrDefault();
                    if (add != null)
                    {
                        address.Location.Latitude = add.Coordinates.Latitude;
                        address.Location.Longitude = add.Coordinates.Longitude;
                        address.Location.Timestamp = DateTime.Now;
                    }
                }
            }
            catch (Exception e)
            {
                address.Location.Latitude = 0.0F;
                address.Location.Longitude = 0.0F;
                address.Location.Timestamp = DateTime.MinValue;
            }
        }

        public static string ReverseGeocode(double latitude, double longitude)
        {
            if (string.IsNullOrEmpty(GoogleAPIKey))
                return "";
            IGeocoder geocoder = new GoogleGeocoder(GoogleAPIKey);
            var add = geocoder.ReverseGeocodeAsync(new Location(latitude, longitude)).Result.FirstOrDefault();
            return add != null ? add.FormattedAddress : "";
        }
    }
}