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

namespace MotoTrbo_GW
{
    public class MessageBusHandler
    {
        string messageBusIP;
        int messageBusPort;
        private static UdpMulticast udp;

        public static Hashtable MBMessageQueues_Hash;

        public MessageBusHandler(string messageBusIP, string messageBusPort)
        {
            this.messageBusIP = messageBusIP;
            this.messageBusPort =Convert.ToInt32(messageBusPort);
            MBMessageQueues_Hash = new Hashtable();
            DBgatewaysManager DBgateways = new DBgatewaysManager(Main.DBServer, Main.DBSchema, Main.DBUser, Main.DBPass, Main.DBPort);
            List<RadioGateway> radioGwList = DBgateways.gelAllRadioGateways(Main.GWID, (int)GatewayType.Tier2Radio);
            for (int i = 0; i < radioGwList.Count; i++)
            {
                //create message buss Queue for radios that have voice eneble
                if (radioGwList[i].Gw_voice == 1)
                {
                    InterthreadMessageQueue<MessageBusMessage> MBMessageQueue = new InterthreadMessageQueue<MessageBusMessage>();
                    MBMessageQueues_Hash.Add(radioGwList[i].Id, MBMessageQueue);
                }
            }
            //start messageBus listner
            udp = new UdpMulticast(messageBusIP,this.messageBusPort);
            udp.OnNewDataRecv += new UdpMulticast.newData4Send(udp_OnNewDataRecv);
            udp.StartListen(Main.LocalIP);
        }

        void udp_OnNewDataRecv(byte[] data, int dataLen)
        {
            //SafeMobileLib.Utils.WriteLine("got data on gw" + radioID);
            string str = System.Text.Encoding.ASCII.GetString(data, 0, dataLen);

            // do not display ping messages
            if (!str.StartsWith("#12#"))
                SafeMobileLib.Utils.WriteLine(str.Trim());

            try
            {
                MessageBusMessage msm = new MessageBusMessage(str, dataLen);
                if (msm.OK)
                {
                    SafeMobileLib.Utils.WriteLine("GWId : " + Main.GWID + "  |  " + msm.GwAPPid, ConsoleColor.DarkYellow);
                    if (Main.GWID == msm.GwAPPid)
                    {
                        if (MessageBusHandler.MBMessageQueues_Hash.ContainsKey(msm.RadioGWid))
                        {
                            //add message to appropiate queue
                            ((InterthreadMessageQueue<MessageBusMessage>)
                                MessageBusHandler.MBMessageQueues_Hash[msm.RadioGWid]).PostItem(msm);
                        }
                    }
                    #region LINX
#if LINXB
                    // Check if received command is 209 (Refresh database command)
                    if (msm.OPcode == (int)MessageBusCmds.RefreshDatabaseCommand)
                    {
                        // Fire event
                        RefreshDatabaseCommandReceived?.Invoke(this, new EventArgs());
                    }
#endif
                    #endregion
                }
                else
                {
                    //SafeMobileLib.Utils.WriteLine("ERROR in MessageBusHandler.cs error:"+msm.Error);
                }
            }
            catch (Exception ex)
            {
                SafeMobileLib.Utils.WriteLine(ex.ToString());
            }
        }

        public static void SendOnMsgBuss(string seqID, string test, string comment)
        {
            if (udp != null)
            {
                String cmdok = "#" + seqID + test;
                Int32 tmp = cmdok.Length + 1;
                tmp += tmp.ToString().Length;
                cmdok = "#" + tmp.ToString() + cmdok;

                System.Text.Encoding enc = System.Text.Encoding.ASCII;
                byte[] buf = enc.GetBytes(cmdok);
                udp.Send(buf, buf.Length);
                SafeMobileLib.Utils.WriteLine($"TX: {cmdok} {(comment.Length > 0 ? "//" + comment : "")}");
            }
            else
            {
                SafeMobileLib.Utils.WriteLine("SendOnMsgBuss Error!!! MessageBusHandler messagebus =null", ConsoleColor.Red);
            }
        }

        public static void SendOnMsgBuss(string seqID, string test)
        {
            SendOnMsgBuss(seqID, test, "");
        }

        

        #region LINX
#if LINXB
        public event EventHandler RefreshDatabaseCommandReceived;
#endif
        #endregion
    }
}