using System;
using System.Collections.Generic;
using System.Text;
using System.Net.NetworkInformation;
using System.Net;
using System.Diagnostics;
using System.Threading;

namespace SafeNetLib
{
    public class CapacityPlus
    {
        private static void ExecuteCommand(String command)
        {
            Process p = new Process();
            p = new Process();
            p.StartInfo.FileName = "cmd.exe";
            String arguments = "/c " + command;
            p.StartInfo.Arguments = arguments;
            p.StartInfo.UseShellExecute = false;
            p.Start();
        }

        private static void DeletePreviousTRBORoutes()
        {
            Process p = new Process();
            p = new Process();
            p.StartInfo.FileName = "cmd.exe";
            String arguments = "/c route print";
            p.StartInfo.Arguments = arguments;
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.RedirectStandardOutput = true;
            p.Start();
            String output = p.StandardOutput.ReadToEnd();
            char[] delimiters = new char[] { '\r', '\n' };
            String[] lines = output.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
            for (int i = 0; i < lines.Length; i++)
            {
                String currentLine = lines[i].Trim();
                if (currentLine.StartsWith("12.") || currentLine.StartsWith("13."))
                {
                    String ip = currentLine.Split(' ')[0];
                    ExecuteCommand("route delete " + ip);
                }
            }
        }

        public static void UpdateRoutes(String masterRadioIP)
        {
            //Utils.ConsWrite(DebugMSG_Type.CFG, "Step111");
            List<GatewayID_IP> gatewayRadios = getAllRadiosIPs();

            //Utils.ConsWrite(DebugMSG_Type.CFG, "Gaby UpdateRoutes for " + masterRadioIP);
            GatewayID_IP masterRadio = new GatewayID_IP();
            //Utils.ConsWrite(DebugMSG_Type.CFG, "Step2");
            foreach (GatewayID_IP gatewayRadio in gatewayRadios)
            {
                
                if (gatewayRadio.remoteIP != null)
                    if (gatewayRadio.remoteIP != "" && gatewayRadio.remoteIP.Contains("192.168"))
                    {
                        //Utils.ConsWrite(DebugMSG_Type.CFG, "Processing " + gatewayRadio.remoteIP);
                        try
                        {
                            //Utils.ConsWrite(DebugMSG_Type.CFG, "route delete " + gatewayRadio.remoteIP);
                            ExecuteCommand("route delete " + gatewayRadio.remoteIP);
                            if (gatewayRadio.remoteIP.Equals(masterRadioIP))
                            {
                                masterRadio = gatewayRadio;
                            }
                        }
                        catch (Exception ex)
                        {
                            //Utils.ConsWrite(DebugMSG_Type.ALL, "UpdateRoutes Exception: " + ex.ToString());
                        }
                    }
            }

            //Utils.ConsWrite(DebugMSG_Type.CFG, "Before masterRadio.ID != null");
            if (masterRadio.ID != null)
            {
                
                //adding gateway radio route
                //Utils.ConsWrite(DebugMSG_Type.CFG,"Adding master radio route");
                String command = "route add " + masterRadio.remoteIP + " mask 255.255.255.255 " + masterRadio.localIP + " metric 40 IF " + masterRadio.ID;
                //Utils.ConsWrite(DebugMSG_Type.CFG, command);
                ExecuteCommand(command);
                //Utils.ConsWrite(DebugMSG_Type.CFG,"Route added, master radio ip is " + masterRadio.remoteIP);
                //adding 12.x.x.x route
                //Utils.ConsWrite(DebugMSG_Type.CFG,"updating 12.0.0.0 route");
                command = "route delete 12.0.0.0";
                //Utils.ConsWrite(DebugMSG_Type.CFG, command);
                ExecuteCommand(command);
                Thread.Sleep(200);
                command = "route add 12.0.0.0 mask 255.0.0.0 " + masterRadio.remoteIP + " metric 10 IF " + masterRadio.ID;
                //Utils.ConsWrite(DebugMSG_Type.CFG, command);
                ExecuteCommand(command);
                //Utils.ConsWrite(DebugMSG_Type.CFG,"12.0.0.0 route added");
            }
            else
            {
                //Utils.ConsWrite(DebugMSG_Type.CFG,"The master radio IP does not exist in the routing table.\r\n Please make sure the radio is connected and the IP is properly\r\n configured in CPS.");
            }
        }

        public static List<GatewayID_IP> getAllRadiosIPs()
        {
            List<GatewayID_IP> ipList = new List<GatewayID_IP>();
            NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
            try
            {
                foreach (NetworkInterface n in interfaces)
                {
                    if (n.Description.Contains("MOTOTRBO"))
                    {
                        GatewayID_IP radioID_IP = new GatewayID_IP();
                        IPInterfaceProperties ipProperties = n.GetIPProperties();
                        radioID_IP.ID = (n.GetIPProperties().GetIPv4Properties().Index).ToString();
                        IPAddressCollection IpCol = ipProperties.DhcpServerAddresses;
                        foreach (IPAddress ip in IpCol)
                        {
                            radioID_IP.remoteIP = ip.ToString();
                        }
                        foreach (UnicastIPAddressInformation addr in ipProperties.UnicastAddresses)
                        {
                            if (addr.Address.ToString().StartsWith("192."))
                            {
                                radioID_IP.localIP = addr.Address.ToString();
                            }
                        }
                        ipList.Add(radioID_IP);
                    }
                }
            }
            catch (Exception e)
            {
                Utils.ConsWrite(DebugMSG_Type.ALL,"RadioStuff getAllRadiosIPs Exception: " + e.ToString());
            }
            return ipList;
        }

        public static string GetInterface(string IPstr)
        {
            string strInterface = "";
            try
            {
                string[] arrStr = IPstr.Split('.');
                int lastPartOfIP = Convert.ToInt32(arrStr[3]);
                arrStr[3] = (lastPartOfIP + 1).ToString();
                strInterface = arrStr[0] + "." + arrStr[1] + "." + arrStr[2] + "." + arrStr[3];
            }
            catch (Exception ex)
            {
                Utils.ConsWrite(DebugMSG_Type.CFG,"Error GEtting interface" + ex.ToString());
            }
            return strInterface;
        }
    }

    public struct GatewayID_IP
    {
        //the remote IP of the gateway radio (192.168.10.31, for example)
        public String remoteIP;
        //the local IP of the gateway radio (192.168.10.30, for example)
        public String localIP;
        //the ID of the network card - necessary for route adding
        public String ID;
    }
}