using System;

namespace IF.Lastfm.Core.Api.Helpers
{
    public static class ApiExtensions
    {
        public static string GetApiName(this Enum en)
        {
            var type = en.GetType();

            var memInfo = type.GetMember(en.ToString());

            if (memInfo.Length > 0)
            {
                var attrs = memInfo[0].GetCustomAttributes(typeof (ApiNameAttribute), false);

                if (attrs != null && attrs.Length > 0)
                {
                    return ((ApiNameAttribute) attrs[0]).Text;
                }
            }

            return en.ToString();
        }

        public static int ToInt(this bool b)
        {
            return b ? 1 : 0;
        }

        public static int ToUnixTimestamp(this DateTime dt)
        {
            var d = (dt - new DateTime(1970, 1, 1).ToUniversalTime()).TotalSeconds;

            return Convert.ToInt32(d);
        }

        public static DateTime ToDateTimeUtc(this double stamp)
        {
            var d = new DateTime(1970, 1, 1).ToUniversalTime();
            d = d.AddSeconds(stamp);
            return d;
        }
    }
}