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

namespace SafeMobileLib
{
    public class GeneralLocationManager
    {
        //multicast 
        private string ip;
        private int port;
        private UdpMulticast udpMulticast;

        public GeneralLocationManager(string ip, int port)
        {
            this.ip = ip; this.port = port;
            //ini multicast
            try
            {
                udpMulticast = new UdpMulticast(ip, port);
                Utils.WriteLine("Location manager connected to message bus on ip:"+ip+" port:"+port);
            }
            catch (Exception ex)
            {
                Utils.WriteLine("Location manager exception while joining the message bus: " + ex.ToString());
            }
        }

        public GeneralLocationManager(UdpMulticast udp)
        {
            //ini multicast
            try
            {
                udpMulticast = udp;
                Utils.WriteLine("Location manager connected to message bus ");
            }
            catch (Exception ex)
            {
                Utils.WriteLine("Location manager exception while joining the message bus: " + ex.ToString());
            }
        }

        public void SendLoc2messagebus(string imei,uint date70format, string speed, string lat, string lng, int poll)
        {
            String[] toSendString = new String[4];
            toSendString[0] = date70format.ToString();
            toSendString[1] = speed;
            toSendString[2] = lat;
            toSendString[3] = lng;

            Byte[] toSendMulticast = createLocationMessage( (poll == 0 ? 131 : 231), imei, toSendString);
            udpMulticast.Send(toSendMulticast, toSendMulticast.Length);

            Utils.WriteLine(System.Text.Encoding.Default.GetString(toSendMulticast), ConsoleColor.White);  
        }

        public void SendLoc2messagebusTallysman(string imei, uint date70format, string speed, string lat, string lng,string altitude, string logId, int poll)
        {
            String[] toSendString = new String[6];
            toSendString[0] = date70format.ToString();
            toSendString[1] = speed;
            toSendString[2] = lat;
            toSendString[3] = lng;
            toSendString[4] = altitude;
            toSendString[5] = logId;

            Byte[] toSendMulticast = createLocationMessage((poll == 0 ? 131 : 231), imei, toSendString);
            udpMulticast.Send(toSendMulticast, toSendMulticast.Length);

            Utils.WriteLine(System.Text.Encoding.Default.GetString(toSendMulticast), ConsoleColor.White);
        }

        public void SendLoc2messagebusWithAltitude(string imei, uint date70format, string speed, string lat, string lng, string altitude, int poll)
        {
            String[] toSendString = new String[5];
            toSendString[0] = date70format.ToString();
            toSendString[1] = speed;
            toSendString[2] = lat;
            toSendString[3] = lng;
            toSendString[4] = altitude;

            Byte[] toSendMulticast = createLocationMessage((poll == 0 ? 131 : 231), imei, toSendString);
            udpMulticast.Send(toSendMulticast, toSendMulticast.Length);

            Utils.WriteLine(System.Text.Encoding.Default.GetString(toSendMulticast), ConsoleColor.White);

        }

        public void SendOnMsgBuss(string seqID, string test)
        {
            if (udpMulticast != null)
            {                
                udpMulticast.Send(Utils.Convert_text_For_multicast("#" + seqID + test), Utils.Convert_text_For_multicast("#" + seqID + test).Length);                
            }
            else
            {
                Utils.WriteLine("Error!!! SendOnMsgBuss!!!");
            }
        }

        //aux
        public static Int32 GetSecondsLocalFromDT(DateTime param)
        {
            System.DateTime datetime = param;
            long nOfSeconds;
            System.DateTime dt70 = new DateTime(1970, 1, 1, 0, 0, 0, 0);
            System.DateTime dttmp1 = new DateTime(1970, 1, 1, 0, 0, 0, 0);
            System.DateTime dttmp2;
            dttmp2 = dttmp1.ToLocalTime();
            TimeSpan span2 = dttmp2 - dttmp1;
            TimeSpan span = datetime - dt70;
            if (System.TimeZone.CurrentTimeZone.IsDaylightSavingTime(param)) nOfSeconds = (long)span.TotalSeconds - (long)span2.TotalSeconds - 3600; //mai scot o ora - 3600
            else nOfSeconds = (long)span.TotalSeconds - (long)span2.TotalSeconds;
            return ((Int32)nOfSeconds);
        }

        public static Byte[] createLocationMessage(int opCode, string suid, String[] dataString)
        {
            string msg = "";
            msg = "#1." + GetSecondsLocalFromDT(DateTime.Now).ToString() + DateTime.Now.Millisecond.ToString() + "#" + opCode + "#" + suid + "#";
            if (dataString.Length == 4)
                msg = msg + dataString[0] + "#" + dataString[1] + "#" + dataString[2] + "#" + dataString[3];
            else if (dataString.Length == 5)
                msg = msg + dataString[0] + "#" + dataString[1] + "#" + dataString[2] + "#" + dataString[3] + "#" + dataString[4];
            else 
                msg = msg + dataString[0] + "#" + dataString[1] + "#" + dataString[2] + "#" + dataString[3] + "#" + dataString[4] + "#" + dataString[5];
            int totalSize = 5 + msg.Length;
            string sizeMsg = String.Format("#{0:000}", totalSize);
            msg = sizeMsg + msg;
            
            Byte[] toSendMulticast = new Byte[totalSize];
            System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
            Byte[] toSendMulticastPartial = encoding.GetBytes(msg);
            for (int i = 0; i < toSendMulticastPartial.Length; i++)
            {
                toSendMulticast[i] = toSendMulticastPartial[i];
            }
            toSendMulticast[totalSize - 1] = 35;//'#'            
            return toSendMulticast;
        }
    }
}