using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SafeMobileLib;
using Telerik.WinControls;
using System.Windows.Forms;
using System.Threading;
using System.Collections;
using MotoTRBO_GW;

namespace MotoTrbo_GW
{
    class RouteManager
    {
        private bool DEBUG = true;

        private List<RadioGateway> radioGwList;
        private DBgatewaysManager DBgateways;        
        private Thread threadWorker;
        public static Hashtable gwRadio_status;                
        public static Hashtable NetworkIDs_Hash;
        public static Hashtable RadioGW_IDs;

        public RouteManager()
        {            
            try
            {
                DBgateways = new DBgatewaysManager(Main.DBServer, Main.DBSchema, Main.DBUser, Main.DBPass, Main.DBPort);
                radioGwList = DBgateways.gelAllRadioGateways(Main.GWID, (int)GatewayType.Tier2Radio);

                gwRadio_status = new Hashtable();
                RadioGW_IDs = new Hashtable();

                for (int i = 0; i < radioGwList.Count; i++)
                {                   
                    //adding 1 to the IP of the radio to get the interface IP
                    string[] arrStr = (radioGwList[i].Ip).Split('.');
                    int lastPartOfIP = Convert.ToInt32(arrStr[3]);
                    arrStr[3] = (lastPartOfIP + 1).ToString();
                    string interfaceIP = arrStr[0] + "." + arrStr[1] + "." + arrStr[2] + "." + arrStr[3];
                    radioGwList[i].InterfaceIP = interfaceIP;
                    if (!gwRadio_status.Contains(interfaceIP))
                    {
                        gwRadio_status.Add(interfaceIP, false);
                        RadioGW_IDs.Add(radioGwList[i].Ip, radioGwList[i].Id);
                    }
                }

                NetworkIDs_Hash = new Hashtable();

            }
            catch (Exception ex)
            {
                string err = "Fatal Error:" + ex.ToString();
                SafeMobileLib.Utils.WriteLine(err);
                RadMessageBox.Show(err, "Fatal ERROR", MessageBoxButtons.OK, RadMessageIcon.Exclamation);
                //System.Environment.Exit(0);
                System.Windows.Forms.Application.Exit();
            }
        }

        public void Start()
        {
            if(!Main.capacityPlus)
                for (int i = 0; i < radioGwList.Count; i++)
                {
                    //SafeMobileLib.Utils.WriteLine("Starting ping thread for:" + radioGwList[i].InterfaceIP+ "interval:"+Main.pingInterval);
                    PingThread threadWorker = new PingThread(radioGwList[i].InterfaceIP, Main.pingInterval);
                    threadWorker.OnNewPingComplete += new PingThread.NewPingCompleteDEl(RouteManager_OnNewPingComplete);
                    Thread PingThreadObj = new Thread(new ThreadStart(threadWorker.Worker));
                    PingThreadObj.IsBackground = true;
                    PingThreadObj.Start();  
                } 
            else
            {
                for (int i = 0; i < radioGwList.Count; i++)
                {
                    if (radioGwList[i].Ip.ToString().Equals(Main.masterRadioIP))
                    {
                        SafeMobileLib.Utils.WriteLine("Starting ping thread for:" + radioGwList[i].InterfaceIP+ "interval:"+Main.pingInterval, ConsoleColor.Green);
                        PingThread threadWorker = new PingThread(radioGwList[i].InterfaceIP, Main.pingInterval);
                        threadWorker.OnNewPingComplete += new PingThread.NewPingCompleteDEl(RouteManager_OnNewPingComplete);
                        Thread PingThreadObj = new Thread(new ThreadStart(threadWorker.Worker));
                        PingThreadObj.IsBackground = true;
                        PingThreadObj.Start();
                    }
                }
            }
                                     
        }

        void restoreRoutes(string ip_temp)
        {
            try
            {
                SafeMobileLib.Utils.WriteLine("Starting Route restore!!! for :" + ip_temp);
                ArrayList imeiList = null;
                bool tryToGet = true;
                byte retryNr = 3;
                while (tryToGet)
                {
                    try
                    {
                        imeiList = DBgateways.GetAllUnits4GW_RGW(Main.GWID, ip_temp);
                        tryToGet = false;
                    }
                    catch (Exception e)
                    {
                        Thread.Sleep(1000);
                        DBgateways = new DBgatewaysManager(Main.DBServer, Main.DBSchema, Main.DBUser, Main.DBPass, Main.DBPort);
                        retryNr--;
                        if (retryNr == 0)
                            return;
                    }
                }
                if (imeiList != null)
                {
                    if (imeiList.Count > 0)
                    {
                        foreach (string imei in imeiList)
                        {
                            //register route
                            if (!Main.capacityPlus)
                            {
                                if (RouteManager.NetworkIDs_Hash.ContainsKey(ip_temp))
                                {
                                    RoutingUtils.addRoute(imei, ip_temp, NetworkIDs_Hash[ip_temp].ToString());
                                }
                                else
                                {
                                    SafeMobileLib.Utils.WriteLine("RouteManager.NetworkIDs_Hash does not contain a key for " + ip_temp);
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                SafeMobileLib.Utils.WriteLine("**************\nCould not restore routes\n" + e.ToString());
                DBgateways = new DBgatewaysManager(Main.DBServer, Main.DBSchema, Main.DBUser, Main.DBPass, Main.DBPort);
            }
        }

        void RouteManager_OnNewPingComplete(bool status, string ip)
        {
            SafeMobileLib.Utils.WriteLine("****** OnNewPingComplete ** " + status + " *** " + ip);
            string ip_temp = RadioStuff.GetReverse_Interface(ip);
            SafeMobileLib.Utils.WriteLine("Interface IP:" + ip_temp);
            bool value = (bool)gwRadio_status[ip];
            if (status) //radio going from OFF->ON
            {
                try
                {
                    gwRadio_status[ip_temp] = true;
                    if (NetworkIDs_Hash != null)
                    {
                        if (NetworkIDs_Hash.ContainsKey(ip_temp))
                            NetworkIDs_Hash.Remove(ip_temp);
                        int id = Convert.ToInt32(RadioStuff.GetInterfaceID(ip_temp));
                        if (!NetworkIDs_Hash.Contains(ip_temp))
                            NetworkIDs_Hash.Add(ip_temp, id);
                    }
                    //restoreRoutes(ip_temp);
                    if (this.OnRadioStatusUpdate != null)
                    {
                        this.OnRadioStatusUpdate(status, ip_temp);
                    }
                }
                catch (Exception ex)
                {
                    SafeMobileLib.Utils.WriteLine("!!!!! Could not turn radio ON:" + ex.ToString());
                }
            }
            else //going from ON->OFF
            {
                try
                {
                    if (DEBUG) SafeMobileLib.Utils.WriteLine("GW:" + ip_temp + " was turned OFF!!!!");
                    //remove from hash
                    if (NetworkIDs_Hash.ContainsKey(ip_temp))
                        NetworkIDs_Hash.Remove(ip_temp);
                    gwRadio_status[ip] = false;
                    if (this.OnRadioStatusUpdate != null)
                    {
                        this.OnRadioStatusUpdate(status, ip_temp);
                    }
                }
                catch (Exception ex)
                {
                    SafeMobileLib.Utils.WriteLine("!!!!!!! Could not turn radio OFF:" + ex.ToString());
                }
            }
        }

        public delegate void RadioStatusUpdateDEl(bool status, string ip);
        public event RadioStatusUpdateDEl OnRadioStatusUpdate;
    }
}