using System;
using System.Collections.Generic;
using System.Text;

namespace SafeNetLib
{
    public class LatLngUtils
    {
        public static Byte[] Invers_Lat(Double l)
        {
            Byte[] ret = new Byte[4];
            Double lat = l;
            bool sign = false;
            if (lat < 0)
            {
                sign = true;
                lat *= -1;
            }

            lat *= 2;
            lat *= 1024;
            lat *= 1024;
            lat *= 1024;
            lat /= 90;

            ulong ul = (ulong)lat;
            ret = BitConverter.GetBytes(ul);
            if (sign)
                ret[3] |= 0x80;
            return ret;
        }

        public static Byte[] Invers_LNG(Double l)
        {
            Byte[] ret = new Byte[4];
            Double lng = l;
            bool sign = false;
            if (lng < 0)
            {
                sign = true;
                lng *= -1;
                lng = 180 - lng;
            }

            lng *= 4;
            lng *= 1024;
            lng *= 1024;
            lng *= 1024;
            lng /= 360;

            ulong ul = (ulong)lng;
            ret = BitConverter.GetBytes(ul);
            if (sign)
                ret[3] |= 0x80;
            return ret;
        }

        //String DataToSend = "#"+GetRandomNumber(41.708804, 42.07784)+"#"+GetRandomNumber(-88.092499, -87.686005)+"#";
        public static double GetRandomNumber(double minimum, double maximum)
        {
            Random random = new Random();
            double dbl = random.NextDouble() * (maximum - minimum) + minimum;
            int a = (int)(dbl * 100000);
            double dbl1 = (double)((double)a / 100000);
            return dbl1;
        }
    }
}