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

namespace MotoTrbo_GW
{
    class MessageBusMessage
    {
        public bool OK;
        //identifiers
        private int _OPcode;
        public int OPcode
        {
            get { return _OPcode; }
            set { _OPcode = value; }
        }

        private string seqID;
        public string SeqID
        {
            get { return seqID; }
            set { seqID = value; }
        }

        private int gwAPPid = 0;
        public int GwAPPid
        {
            get { return gwAPPid; }
            set { gwAPPid = value; }
        }

        private int radioGWid = 0;
        public int RadioGWid
        {
            get { return radioGWid; }
            set { radioGWid = value; }
        }

        private DateTime time;
        public DateTime Time
        {
            get { return time; }
            set { time = value; }
        }

        //zones
        private int zoneNr;
        public int ZoneNr
        {
            get { return zoneNr; }
            set { zoneNr = value; }
        }

        private int channelNr;
        public int ChannelNr
        {
            get { return channelNr; }
            set { channelNr = value; }
        }

        //call
        private string voiceMulticastIP4Send;
        public string VoiceMulticastIP4Send
        {
            get { return voiceMulticastIP4Send; }
            set { voiceMulticastIP4Send = value; }
        }

        private int suid;
        public int SUID
        {
            get { return suid; }
            set { suid = value; }
        }

        private int groupID;
        public int GroupID
        {
            get { return groupID; }
            set { groupID = value; }
        }

        private AlarmTypes alarmType;
        public AlarmTypes AlarmType
        {
            get { return alarmType; }
            set { alarmType = value; }
        }

        //error string
        private string error;
        public string Error
        {
            get { return error; }
            set { error = value; }
        }

        public string versionNumber = "";


        public MessageBusMessage(string data, int actualLen)
        {
            OK = ProcessMsg(data,actualLen);
        }

        private bool ProcessMsg(string data, int actualLen)
        {
            time = DateTime.Now;
            string[] tempArr = data.Split('#');
            if (tempArr.Length == 0)
            {
                Error = "incorect message=" + data;
                return false;
            }
            int messLen = Convert.ToInt32(tempArr[1]);

            if (actualLen != messLen)
            {
                Error = "msgLen:" + messLen + " != acutulLen:" + actualLen;
                return false;
            }

            //test if the message contains opCode && seqID && identifiers
            if (tempArr.Length > 5)
            {
                OPcode = Convert.ToInt32(tempArr[3]);
                seqID = tempArr[2];
                string identifiers = tempArr[4];
                string[] tempIdent = identifiers.Split('.');
                if (tempIdent.Length > 1)
                {
                    gwAPPid = Convert.ToInt32(tempIdent[0]);
                    radioGWid = Convert.ToInt32(tempIdent[1]);
                }
                else
                {
                    Error = "msg identifiers missing" + tempArr.Length;
                    return false;
                }
            }
            #region LINX
#if LINXB
            // Check for refresh cmd (209)
            else if (Convert.ToInt32(tempArr[3]) == (int)(MessageBusCmds.RefreshDatabaseCommand))
            {
                bool processMessage = false;
                if (tempArr[4] != null)
                {
                    int reasonForRefresh;
                    if (int.TryParse(tempArr[4], out reasonForRefresh))
                    {
                        if (reasonForRefresh == (int)RefreshCommandReason.ModifiedUnitList)
                        {
                            processMessage = true;
                            OPcode = (int)MessageBusCmds.RefreshDatabaseCommand;
                            seqID = tempArr[2];
                        }
                    }
                }
                return processMessage;
            }
#endif
            #endregion
            else
            {
                Error = "msg doesnt contain identifiers. tempArr.length:" + tempArr.Length;
                return false;
            }

            //continue processing payload
            bool payloadOK = ProcessPaylaod(data, actualLen);
            return payloadOK;
        }

        private bool ProcessPaylaod(string data, int actualLen)
        {
            string[] tempArr = data.Split('#');
            switch (OPcode)
            {
                //zones & channels
                case 104:
                    //SafeMobileLib.Utils.WriteLine("Got a zone and channel change request ");
                    string[] zoneAndChannelStrList = tempArr[5].Split('.');
                    zoneNr = Convert.ToInt32(zoneAndChannelStrList[0]);
                    channelNr = Convert.ToInt32(zoneAndChannelStrList[1]);
                    break;
                case 94:
                    //SafeMobileLib.Utils.WriteLine("Got a SOFTWARE zone and channel change request ");
                    break;

                //call messages
                case 101:
                    //SafeMobileLib.Utils.WriteLine("Got all call request");
                    //process only first call patching start call request
                    if (tempArr.Length > 6)
                    {
                        if (tempArr[6] == "1")
                        {
                            if (!Main.gatewayState.ContainsKey(tempArr[4]))
                                return false;
                            if (Main.gatewayState[tempArr[4]] == true)
                                return false;
                            if (Main.gatewayState[tempArr[4]] == false)
                                Main.gatewayState[tempArr[4]] = true;
                        }
                    }
                    voiceMulticastIP4Send = tempArr[5];
                    break;
                case 111:
                    //SafeMobileLib.Utils.WriteLine("Got all call stop");
                    //process only first call patching end call request
                    if (tempArr.Length > 6)
                    {
                        if (tempArr[6] == "1")
                        {
                            if (!Main.gatewayState.ContainsKey(tempArr[4]))
                                return false;
                            if (Main.gatewayState[tempArr[4]] == false)
                                return false;
                            if (Main.gatewayState[tempArr[4]] == true)
                                Main.gatewayState[tempArr[4]] = false;
                        }
                    }
                    break;
                case 102:
                    //SafeMobileLib.Utils.WriteLine("Got private call request");
                    SUID = Convert.ToInt32((tempArr[4].Split('.'))[2]);
                    voiceMulticastIP4Send = tempArr[5];
                    break;
                case 112:
                    //TODO test if this message is for this radio( until then try this id an all radios)
                    //SafeMobileLib.Utils.WriteLine("Got private call stop");
                    break;

                case 103:
                    //SafeMobileLib.Utils.WriteLine("Got group call request");
                    string identifiers2 = tempArr[4];
                    string[] tempIdent2 = identifiers2.Split('.');
                    GroupID = Convert.ToInt32(tempIdent2[2]);
                    voiceMulticastIP4Send = tempArr[5];
                    break;

                case 113:
                    //SafeMobileLib.Utils.WriteLine("Got group call stop");
                    break;

                case 158:
                    versionNumber = tempArr[5];
                    break;
                case 160:
                    //SafeMobileLib.Utils.WriteLine("Got DeKey");                    
                    break;


                case 161:
                    SUID = Convert.ToInt32((tempArr[4].Split('.'))[2]);
                    //SafeMobileLib.Utils.WriteLine("Got remote monitor request." + "Id for remote monitor" + suid);                    
                    break;

                case 238:
                    SUID = Convert.ToInt32((tempArr[4].Split('.'))[2]);
                    if (tempArr.Length > 5 && tempArr[5].Trim().Length > 0)
                        try
                        {
                            alarmType = (AlarmTypes)Enum.Parse(typeof(AlarmTypes), tempArr[5]);
                        }
                        catch(Exception ex)
                        {
                            SafeMobileLib.Utils.WriteLine("Emergency type was not in a correct format: " + ex.ToString() + "\n" + data, ConsoleColor.Red);
                            alarmType = AlarmTypes.unknown;
                        }
                    //SafeMobileLib.Utils.WriteLine("Got remote monitor request." + "Id for remote monitor" + suid);                    
                    break;
                #region LINX
#if LINXB
                case 209:
                    // prevent the method to return false
                    break;
#endif
                #endregion
                default:
                    Error="Unknown opcode" +OPcode;
                    return false;
                    //break;
            }
            return true;
        }
    }
}